1.22.7 [skip ci]

Co-authored-by: t-bltg <t-bltg@users.noreply.github.com>

.JuliaFormatter.toml

@@ -0,0 +1,12 @@
+always_for_in = true
+import_to_using = false
+align_pair_arrow = true
+align_assignment = true
+align_conditional = true
+always_use_return = false
+conditional_to_if = false
+whitespace_in_kwargs = true
+remove_extra_newlines = true
+whitespace_ops_in_indices = true
+short_to_long_function_def = false
+annotate_untyped_fields_with_any = false

.gitattributes

@@ -0,0 +1,6 @@
+# Set default behaviour to automatically normalize line endings.
+* text=auto
+
+# Force bash scripts to always use lf line endings so that if a repo is accessed
+# in Unix via a file share from Windows, the scripts will work.
+*.sh text eol=lf

.github/ISSUE_TEMPLATE/bug.md

@@ -0,0 +1,33 @@
+---
+name: Bug report
+about: Create a bug report
+title: "[BUG]"
+labels: bug
+assignees: ''
+
+---
+
+<!-- Please search existing issues to avoid duplicates. -->
+
+## Details
+
+
+### Backends
+
+This bug occurs on ( insert `x` below )
+
+Backend      | yes | no  | untested
+-------------|-----|-----|---------
+gr (default) |     |     |
+pyplot       |     |     |
+plotlyjs     |     |     |
+pgfplotsx    |     |     |
+unicodeplots |     |     |
+inspectdr    |     |     |
+gaston       |     |     |
+
+### Versions
+
+Plots.jl version:
+Backend  version (`]st -m <backend(s)>`):
+Output of `versioninfo()`:

.github/ISSUE_TEMPLATE/feature request.md

@@ -0,0 +1,10 @@
+---
+name: Feature request
+about: Suggest a feature or enhancement
+title: "[FR]"
+labels: feature request
+assignees: ''
+
+---
+
+Please search existing issues to avoid duplicates.

.github/workflows/CompatHelper.yml

@@ -0,0 +1,17 @@
+name: CompatHelper
+
+on:
+  schedule:
+    - cron: '00 00 * * *'
+
+jobs:
+  CompatHelper:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Pkg.add("CompatHelper")
+        run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
+      - name: CompatHelper.main()
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          COMPATHELPER_PRIV: ${{ secrets.COMPATHELPER_PRIV }}  # optional
+        run: julia -e 'using CompatHelper; CompatHelper.main()'

.github/workflows/SnoopCompile.yml

@@ -0,0 +1,95 @@
+name: SnoopCompile
+
+on:
+  push:
+    branches:
+    #  - 'master'  # NOTE: to run the bot only on pushes to master
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  SnoopCompile:
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
+    env:
+      GKS_ENCODING: "utf8"
+      GKSwstype: "100"
+      PLOTS_TEST: "true"
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        version:   # NOTE: the versions below should match those in your botconfig
+          - '1'
+        os:        # NOTE: should match the os setting of your botconfig
+          - ubuntu-latest
+        arch:
+          - x64
+    steps:
+      # Setup environment
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@latest
+        with:
+          version: ${{ matrix.version }}
+
+      - name: Install dependencies
+        run: |
+          julia --project -e 'using Pkg; Pkg.instantiate();'
+          julia -e 'using Pkg; Pkg.add( PackageSpec(name = "CompileBot", version = "1") ); Pkg.develop(PackageSpec(; path=pwd())); using CompileBot; CompileBot.addtestdep();'
+
+
+      # TESTCMD
+      - name: Default TESTCMD
+        run: echo "TESTCMD=julia" >> $GITHUB_ENV
+      - name: Ubuntu TESTCMD
+        if: startsWith(matrix.os,'ubuntu')
+        run: echo "TESTCMD=xvfb-run --auto-servernum julia" >> $GITHUB_ENV
+
+      # Generate precompile files
+      - name: Generating precompile files
+        run: $TESTCMD --project -e 'include("deps/SnoopCompile/snoop_bot.jl")'   # NOTE: must match path
+
+      # Run benchmarks
+      - name: Running Benchmark
+        run: $TESTCMD --project -e 'include("deps/SnoopCompile/snoop_bench.jl")' # NOTE: optional, if have benchmark file
+
+      - name: Upload all
+        uses: actions/upload-artifact@v2.0.1
+        with:
+          path: ./
+
+  Create_PR:
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
+    needs: SnoopCompile
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Download all
+        uses: actions/download-artifact@v2
+
+      - name: CompileBot postprocess
+        run: |
+          ls artifact
+          ls
+          if ! grep -m1 -q 'format' artifact/src/precompile_includer.jl; then sed -i '1 i\#! format: off' artifact/src/precompile_includer.jl; fi
+          julia -e 'using Pkg; Pkg.add( PackageSpec(name = "CompileBot", version = "1") ); using CompileBot; CompileBot.postprocess();'
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: Update precompile_*.jl file [skip ci]
+          title: "[AUTO] Update precompiles [skip ci]"
+          labels: |
+            SnoopCompile
+            no changelog
+          branch: "Test_SnoopCompile_AutoPR_${{ github.ref }}"
+
+
+  Skip:
+    if: "contains(github.event.head_commit.message, '[skip ci]')"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Skip CI 🚫
+        run: echo skip ci

.github/workflows/TagBot.yml

@@ -0,0 +1,14 @@
+name: TagBot
+on:
+  issue_comment:
+    types:
+      - created
+  workflow_dispatch:
+jobs:
+  TagBot:
+    if: github.event_name == 'workflow_dispatch' || github.actor == 'JuliaTagBot'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: JuliaRegistries/TagBot@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/benchmark.yml

@@ -0,0 +1,31 @@
+name: benchmarks
+
+on:
+  pull_request:
+
+jobs:
+  Benchmark:
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@latest
+        with:
+          version: 1
+
+      # Setup
+      - name: Ubuntu TESTCMD
+        run: echo "TESTCMD=xvfb-run --auto-servernum julia" >> $GITHUB_ENV
+      - name: Install Plots dependencies
+        uses: julia-actions/julia-buildpkg@latest
+      - name: Install Benchmarking dependencies
+        run: julia -e 'using Pkg; pkg"add PkgBenchmark BenchmarkCI@0.1"'
+
+      - name: Run benchmarks
+        run: $TESTCMD -e 'using BenchmarkCI; BenchmarkCI.judge()'
+      - name: Print judgement
+        run: julia -e 'using BenchmarkCI; BenchmarkCI.displayjudgement()'
+      - name: Post results
+        run: julia -e 'using BenchmarkCI; BenchmarkCI.postjudge()'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/ci.yml

@@ -0,0 +1,90 @@
+name: ci
+
+on:
+  push:
+  pull_request:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  CI:
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
+    env:
+      GKS_ENCODING: "utf8"
+      GKSwstype: "100"
+
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.version == 'nightly' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - '1'
+          - 'nightly'
+        os:
+          - ubuntu-latest
+          - windows-latest
+          - macos-latest
+        arch:
+          - x64
+          # - x86
+
+    steps:
+
+      # Setup environment
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@latest
+        with:
+          version: ${{ matrix.version }}
+      - name: Cache artifacts
+        uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+
+      ## maybe required if we ever want to run graphical tests for plotly
+      # OS Dependencies
+      # - name: Ubuntu OS dependencies
+      #   if: startsWith(matrix.os,'ubuntu')
+      #   run: |
+      #    ./test/install_wkhtmltoimage.sh
+
+      # TESTCMD
+      - name: Default TESTCMD
+        run: echo "TESTCMD=julia" >> $GITHUB_ENV
+      - name: Ubuntu TESTCMD
+        if: startsWith(matrix.os,'ubuntu')
+        run: echo "TESTCMD=xvfb-run --auto-servernum julia" >> $GITHUB_ENV
+
+      # Julia Dependencies
+      - name: Install Julia dependencies
+        uses: julia-actions/julia-buildpkg@latest
+
+      # Run tests
+      - name: Run Graphical test
+        run:  |
+          $TESTCMD --project -e 'using Pkg; Pkg.test(coverage=true)'
+          $TESTCMD -e 'using Pkg; Pkg.activate(tempdir()); Pkg.develop(path=abspath(".")); Pkg.add("StatsPlots"); Pkg.test("StatsPlots")'
+          $TESTCMD -e 'using Pkg; Pkg.activate(tempdir()); Pkg.develop(path=abspath(".")); Pkg.add("GraphRecipes"); Pkg.test("GraphRecipes")'
+
+      # Codecov
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v2
+        with:
+          file: lcov.info
+
+  Skip:
+    if: "contains(github.event.head_commit.message, '[skip ci]')"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Skip CI 🚫
+        run: echo skip ci

.github/workflows/docs.yml

@@ -0,0 +1,56 @@
+name: docs
+
+on:
+ push:
+  branches:
+    - master
+  tags: '*'
+ 
+jobs:
+  Build_docs:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          repository: JuliaPlots/PlotDocs.jl
+      - uses: julia-actions/setup-julia@v1
+      - name: Cache artifacts
+        uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts 
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - name: Install dependencies
+        run: |
+          sudo apt-get update -y
+          sudo apt-get install -y qt5-default \
+            ttf-mscorefonts-installer \
+            poppler-utils \
+            pdf2svg \
+            texlive-latex-base \
+            texlive-binaries \
+            texlive-pictures \
+            texlive-latex-extra \
+            texlive-luatex \
+            ghostscript-x \
+            libgconf2-4 \
+            gnuplot
+          sudo fc-cache -vr
+            
+      - name: build documentation
+        env: 
+          PYTHON: ""
+          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
+        run: |
+          export JULIA_DEBUG=Documenter
+          export PLOTDOCS_ANSICOLOR=true
+          export GKSwstype=nul  # Plots.jl/issues/3664
+          xvfb-run julia --color=yes --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.add(PackageSpec(name="Plots", rev=split(ENV["GITHUB_REF"], "/", limit=3)[3])); Pkg.instantiate()'
+          # xvfb-run julia --color=yes --project=docs/ -e 'using Pkg; pkg"add Documenter#master"'
+          xvfb-run julia --color=yes --project=docs/ -e 'using Pkg; pkg"st -m"'
+          xvfb-run julia --color=yes --project=docs/ -e 'withenv("GITHUB_REPOSITORY" => "JuliaPlots/PlotDocs.jl") do; include("docs/make.jl"); end' 

.github/workflows/format.yml.disabled

@@ -0,0 +1,22 @@
+name: format
+
+on:
+  pull_request:
+
+jobs:
+  JuliaFormatter:
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@latest
+        with:
+          version: 1
+
+      # Check format
+      - name: Install JuliaFormatter and format
+        run: |
+          git diff --name-only --exit-code
+          julia -e 'using Pkg; pkg"add JuliaFormatter CSTParser#master"'
+          julia -e 'using JuliaFormatter; [format(["src", "test"]) for _ in 1:2]'
+          git diff --exit-code

.github/workflows/format_pr.yml

@@ -0,0 +1,35 @@
+name: format-pr
+
+on:
+  schedule:
+    - cron: '0 0 * * SUN'
+
+jobs:
+  build:
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install JuliaFormatter and format
+        run: |
+          julia  -e 'using Pkg; pkg"add JuliaFormatter CSTParser#master"'
+          julia  -e 'using JuliaFormatter; [format(["src", "test"]) for _ in 1:2]'
+          git diff --exit-code
+
+      - name: Create Pull Request
+        if: ${{ failure() }}
+        id: cpr
+        uses: peter-evans/create-pull-request@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: "Format .jl files [skip ci]"
+          title: 'Automatic JuliaFormatter.jl run'
+          branch: auto-juliaformatter-pr
+          delete-branch: true
+          labels: formatting, automated pr, no changelog
+
+      - name: Check outputs
+        if: ${{ failure() }}
+        run: |
+          echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
+          echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"

.gitignore

@@ -4,7 +4,12 @@
 .DS_Store
 examples/.ipynb_checkpoints/*
 examples/meetup/.ipynb_checkpoints/*
-deps/plotly-latest.min.js
+deps/plotly-*
 deps/build.log
 deps/deps.jl
 Manifest.toml
+dev/
+test/tmpplotsave.hdf5
+/.benchmarkci
+/benchmark/*.json
+.vscode/

.travis.yml

@@ -1,20 +0,0 @@
-# Documentation: http://docs.travis-ci.com/user/languages/julia/
-language: julia
-os:
-  - linux
-  # - osx
-julia:
-  - 1.1
-  - nightly
-  
-matrix:
-  allow_failures:
-    - julia: nightly
-
-sudo: required
-before_install:
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then pwd ; fi
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ./test/install_wkhtmltoimage.sh ; fi
-
-notifications:
-  email: true

.zenodo.json

@@ -0,0 +1,708 @@
+{
+    "title": "Plots.jl",
+    "license": "MIT",
+    "creators": [
+        {
+            "affiliation": "Elemental Cognition",
+            "name": "Tom Breloff"
+        }
+    ],
+    "contributors":[
+        {
+            "affiliation": "TU Wien",
+            "name": "Daniel Schwabeneder",
+            "orcid": "0000-0002-0412-0777",
+            "type": "ProjectLeader"
+        },
+        {
+            "affiliation": "GLOBE Institute, University of Copenhagen",
+            "name": "Michael Krabbe Borregaard",
+            "orcid": "0000-0002-8146-8435",
+            "type": "ProjectLeader"
+        },
+        {
+            "affiliation": "Leibniz Universit\u00e4t Hannover",
+            "name": "Simon Christ",
+            "orcid": "0000-0002-5866-1472",
+            "type": "ProjectLeader"
+        },
+        {
+            "affiliation": "Forschungszentrum J\u00fclich",
+            "name": "Josef Heinen",
+            "orcid": "0000-0001-6509-1925",
+            "type": "ProjectMember"
+        },
+        {
+            "name": "Yuval",
+            "type": "Other"
+        },
+        {
+            "name": "Andrew Palugniok",
+            "type": "ProjectMember"
+        },
+        {
+            "affiliation": "@beacon-biosignals",
+            "name": "Simon Danisch",
+            "type": "Other"
+        },
+        {
+            "affiliation": "Veos Digital (https://veos.digital/)",
+            "name": "Pietro Vertechi",
+            "type": "ProjectMember"
+        },
+        {
+            "affiliation": "Korea Advanced Inst. of Science and Technology (KAIST)",
+            "name": "Zhanibek Omarov",
+            "type": "ProjectMember",
+            "orcid": "0000-0002-8783-8791"
+        },
+        {
+            "name": "Thatcher Chamberlin",
+            "type": "Other"
+        },
+        {
+            "name": "@ma-laforge",
+            "type": "ProjectMember"
+        },
+        {
+            "affiliation": "Massachusetts Institute of Technology",
+            "name": "Christopher Rackauckas",
+            "orcid": "0000-0001-5850-0663",
+            "type": "Other"
+        },
+        {
+            "affiliation": "Max Planck Institute for Physics",
+            "name": "Oliver Schulz",
+            "type": "Other"
+        },
+        {
+            "affiliation": "@JuliaComputing",
+            "name": "Sebastian Pfitzner",
+            "type": "Other"
+        },
+        {
+            "name": "Takafumi Arakaki",
+            "type": "Other"
+        },
+        {
+            "affiliation": "University of Manitoba",
+            "name": "Amin Yahyaabadi",
+            "type": "Other"
+        },
+        {
+            "name": "Jack Devine",
+            "type": "Other"
+        },
+        {
+            "name": "Sebastian Pech",
+            "type": "Other"
+        },
+        {
+            "affiliation": "@JuliaComputing",
+            "name": "Patrick Kofod Mogensen",
+            "type": "Other",
+            "orcid": "0000-0002-4910-1932"
+        },
+        {
+            "name": "Samuel S. Watson",
+            "type": "Other"
+        },
+        {
+            "affiliation": "UC Davis",
+            "name": "Naoki Saito",
+            "orcid": "0000-0001-5234-4719",
+            "type": "Other"
+        },
+        {
+            "affiliation": "University of Southern California (USC)",
+            "name": "Benoit Pasquier",
+            "orcid": "0000-0002-3838-5976",
+            "type": "Other"
+        },
+        {
+            "affiliation": "NTNU Trondheim",
+            "name": "Ronny Bergmann",
+            "orcid": "0000-0001-8342-7218",
+            "type": "Other"
+        },
+        {
+            "name": "Andy Nowacki",
+            "affiliation": "University of Leeds",
+            "orcid": "0000-0001-7669-7383",
+            "type": "Other"
+        },
+        {
+            "name": "Ian Butterworth",
+            "type": "Other"
+        },
+        {
+            "affiliation": "Lund University",
+            "name": "David Gustavsson",
+            "type": "Other"
+        },
+        {
+            "name": "Anshul Singhvi",
+            "type": "Other"
+        },
+        {
+            "name": "david-macmahon",
+            "type": "Other"
+        },
+        {
+            "name": "Fredrik Ekre",
+            "type": "Other"
+        },
+        {
+            "name": "Maaz Bin Tahir Saeed",
+            "type": "Other"
+        },
+        {
+            "name": "Kristoffer Carlsson",
+            "type": "Other"
+        },
+        {
+            "name": "Will Kearney",
+            "type": "Other"
+        },
+        {
+            "name": "Niklas Korsbo",
+            "type": "Other"
+        },
+        {
+            "name": "Miles Lucas",
+            "type": "Other"
+        },
+        {
+            "name": "@Godisemo",
+            "type": "Other"
+        },
+        {
+            "name": "Florian Oswald",
+            "type": "Other"
+        },
+        {
+            "name": "Diego Javier Zea",
+            "type": "Other"
+        },
+        {
+            "name": "@WillRam",
+            "type": "Other"
+        },
+        {
+            "name": "Fedor Bezrukov",
+            "type": "Other"
+        },
+        {
+            "name": "Spencer Lyon",
+            "type": "Other"
+        },
+        {
+            "name": "Darwin Darakananda",
+            "type": "Other"
+        },
+        {
+            "name": "Lukas Hauertmann",
+            "type": "Other"
+        },
+        {
+            "name": "Huckleberry Febbo",
+            "type": "Other"
+        },
+        {
+            "name": "@H-M-H",
+            "type": "Other"
+        },
+        {
+            "name": "Josh Day",
+            "type": "Other"
+        },
+        {
+            "name": "@wfgra",
+            "type": "Other"
+        },
+        {
+            "name": "Sheehan Olver",
+            "type": "Other"
+        },
+        {
+            "name": "Jerry Ling",
+            "type": "Other"
+        },
+        {
+            "name": "Jks Liu",
+            "type": "Other"
+        },
+        {
+            "name": "Seth Axen",
+            "type": "Other"
+        },
+        {
+            "name": "@o01eg",
+            "type": "Other"
+        },
+        {
+            "name": "Sebastian Micluța-Câmpeanu",
+            "type": "Other"
+        },
+        {
+            "name": "Tim Holy",
+            "type": "Other"
+        },
+        {
+            "name": "Tony Kelman",
+            "type": "Other"
+        },
+        {
+            "name": "Antoine Levitt",
+            "type": "Other"
+        },
+        {
+            "name": "Iblis Lin",
+            "type": "Other"
+        },
+        {
+            "name": "Harry Scholes",
+            "type": "Other"
+        },
+        {
+            "name": "@djsegal",
+            "type": "Other"
+        },
+        {
+            "name": "Goran Nakerst",
+            "type": "Other"
+        },
+        {
+            "name": "Felix Hagemann",
+            "type": "Other"
+        },
+        {
+            "name": "Matthieu Gomez",
+            "type": "Other"
+        },
+        {
+            "name": "@biggsbiggsby",
+            "type": "Other"
+        },
+        {
+            "name": "Jonathan Anderson",
+            "type": "Other"
+        },
+        {
+            "name": "Michael Kraus",
+            "type": "Other"
+        },
+        {
+            "name": "Carlo Lucibello",
+            "type": "Other"
+        },
+        {
+            "name": "Robin Deits",
+            "type": "Other"
+        },
+        {
+            "name": "Misha Mkhasenko",
+            "type": "Other"
+        },
+        {
+            "name": "Benoît Legat",
+            "type": "Other"
+        },
+        {
+            "name": "Steven G. Johnson",
+            "type": "Other"
+        },
+        {
+            "name": "John Verzani",
+            "type": "Other"
+        },
+        {
+            "name": "Mattias Fält",
+            "type": "Other"
+        },
+        {
+            "name": "Rashika Karki",
+            "type": "Other"
+        },
+        {
+            "name": "Morten Piibeleht",
+            "type": "Other"
+        },
+        {
+            "name": "Filippo Vicentini",
+            "type": "Other"
+        },
+        {
+            "name": "David Anthoff",
+            "type": "Other"
+        },
+        {
+            "name": "Leon Wabeke",
+            "type": "Other"
+        },
+        {
+            "name": "Yusuke Kominami",
+            "type": "Other"
+        },
+        {
+            "name": "Oscar Dowson",
+            "type": "Other"
+        },
+        {
+            "name": "Max G",
+            "type": "Other"
+        },
+        {
+            "name": "Fabian Greimel",
+            "type": "Other"
+        },
+        {
+            "name": "Jérémy",
+            "type": "Other"
+        },
+        {
+            "name": "Pearl Li",
+            "type": "Other"
+        },
+        {
+            "name": "David P. Sanders",
+            "type": "Other"
+        },
+        {
+            "name": "Asbjørn Nilsen Riseth",
+            "type": "Other"
+        },
+        {
+            "name": "Jan Weidner",
+            "type": "Other"
+        },
+        {
+            "name": "@jakkor2",
+            "type": "Other"
+        },
+        {
+            "name": "Pablo Zubieta",
+            "type": "Other"
+        },
+        {
+            "name": "Hamza Yusuf Çakır",
+            "type": "Other"
+        },
+        {
+            "name": "John Rinehart",
+            "type": "Other"
+        },
+        {
+            "name": "Martin Biel",
+            "type": "Other"
+        },
+        {
+            "name": "Moritz Schauer",
+            "type": "Other"
+        },
+        {
+            "name": "Mosè Giodano",
+            "type": "Other"
+        },
+        {
+            "name": "@olegshtch",
+            "type": "Other"
+        },
+        {
+            "name": "Leon Shen",
+            "type": "Other"
+        },
+        {
+            "name": "Jeff Fessler",
+            "type": "Other"
+        },
+        {
+            "name": "@hustf",
+            "type": "Other"
+        },
+        {
+            "name": "Asim H Dar",
+            "type": "Other"
+        },
+        {
+            "name": "@8uurg",
+            "type": "Other"
+        },
+        {
+            "name": "Abel Siqueira",
+            "type": "Other"
+        },
+        {
+            "name": "Adrian Dawid",
+            "type": "Other"
+        },
+        {
+            "name": "Alberto Lusiani",
+            "type": "Other"
+        },
+        {
+            "name": "Balázs Mezei",
+            "type": "Other"
+        },
+        {
+            "name": "Ben Ide",
+            "type": "Other"
+        },
+        {
+            "name": "Benjamin Lungwitz",
+            "type": "Other"
+        },
+        {
+            "affiliation": "University of Graz",
+            "name": "Bernd Riederer",
+            "type": "Other",
+            "orcid": "0000-0001-8390-0087"
+        },
+        {
+            "name": "Christina Lee",
+            "type": "Other"
+        },
+        {
+            "name": "Christof Stocker",
+            "type": "Other"
+        },
+        {
+            "name": "Christoph Finkensiep",
+            "type": "Other"
+        },
+        {
+            "name": "@Cornelius-G",
+            "type": "Other"
+        },
+        {
+            "name": "Daniel Høegh",
+            "type": "Other"
+        },
+        {
+            "name": "Denny Biasiolli",
+            "type": "Other"
+        },
+        {
+            "name": "Dieter Castel",
+            "type": "Other"
+        },
+        {
+            "name": "Elliot Saba",
+            "type": "Other"
+        },
+        {
+            "name": "Fengyang Wang",
+            "type": "Other"
+        },
+        {
+            "name": "Fons van der Plas",
+            "type": "Other"
+        },
+        {
+            "name": "Fredrik Bagge Carlson",
+            "type": "Other"
+        },
+        {
+            "name": "Graham Smith",
+            "type": "Other"
+        },
+        {
+            "name": "Hayato Ikoma",
+            "type": "Other"
+        },
+        {
+            "name": "Hessam Mehr",
+            "type": "Other"
+        },
+        {
+            "name": "@InfiniteChai",
+            "type": "Other"
+        },
+        {
+            "name": "Jack Dunn",
+            "type": "Other"
+        },
+        {
+            "name": "Jeff Bezanson",
+            "type": "Other"
+        },
+        {
+            "name": "Jeff Eldredge",
+            "type": "Other"
+        },
+        {
+            "name": "Jinay Jain",
+            "type": "Other"
+        },
+        {
+            "name": "Johan Blåbäck",
+            "type": "Other"
+        },
+        {
+            "name": "@jmert",
+            "type": "Other"
+        },
+        {
+            "name": "Lakshya Khatri",
+            "type": "Other"
+        },
+        {
+            "name": "Lia Siegelmann",
+            "type": "Other"
+        },
+        {
+            "name": "@marekkukan-tw",
+            "type": "Other"
+        },
+        {
+            "affiliation": "ETH Zurich",
+            "name": "Mauro Werder",
+            "type": "Other",
+            "orcid": "0000-0003-0137-9377"
+        },
+        {
+            "name": "Maxim Grechkin",
+            "type": "Other"
+        },
+        {
+            "name": "Michael Cawte",
+            "type": "Other"
+        },
+        {
+            "name": "@milesfrain",
+            "type": "Other"
+        },
+        {
+            "name": "Nicholas Bauer",
+            "type": "Other"
+        },
+        {
+            "name": "Nicolau Leal Werneck",
+            "type": "Other"
+        },
+        {
+            "name": "@nilshg",
+            "type": "Other"
+        },
+        {
+            "name": "Oliver Evans",
+            "type": "Other"
+        },
+        {
+            "name": "Peter Gagarinov",
+            "type": "Other"
+        },
+        {
+            "name": "Páll Haraldsson",
+            "type": "Other"
+        },
+        {
+            "name": "Rik Huijzer",
+            "type": "Other"
+        },
+        {
+            "name": "Romain Franconville",
+            "type": "Other"
+        },
+        {
+            "name": "Ronan Pigott",
+            "type": "Other"
+        },
+        {
+            "name": "Roshan Shariff",
+            "type": "Other"
+        },
+        {
+            "name": "Scott Thomas",
+            "type": "Other"
+        },
+        {
+            "name": "Sebastian Rollén",
+            "type": "Other"
+        },
+        {
+            "name": "Seth Bromberger",
+            "type": "Other"
+        },
+        {
+            "name": "Siva Swaminathan",
+            "type": "Other"
+        },
+        {
+            "name": "Tim DuBois",
+            "type": "Other"
+        },
+        {
+            "name": "Travis DePrato",
+            "type": "Other"
+        },
+        {
+            "name": "Will Thompson",
+            "type": "Other"
+        },
+        {
+            "name": "Yakir Luc Gagnon",
+            "type": "Other"
+        },
+        {
+            "name": "Benjamin Chislett",
+            "type": "Other"
+        },
+        {
+            "name": "@hhaensel",
+            "type": "Other"
+        },
+        {
+            "name": "@improbable22",
+            "type": "Other"
+        },
+        {
+            "name": "Johannes Fleck",
+            "type": "Other"
+        },
+        {
+            "name": "Peter Czaban",
+            "type": "Other"
+        },
+        {
+            "name": "@innerlee",
+            "type": "Other"
+        },
+        {
+            "name": "Mats Cronqvist",
+            "type": "Other"
+        },
+        {
+            "name": "Shi Pengcheng",
+            "type": "Other"
+        },
+        {
+            "name": "@wg030",
+            "type": "Other"
+        },
+        {
+            "affiliation": "University of Cambridge",
+            "name": "Will Tebbutt",
+            "type": "Other"
+        },
+        {
+            "name": "@t-bltg",
+            "type": "Other"
+        },
+        {
+            "name": "Fred Callaway",
+            "type": "Other"
+        },
+        {
+            "name": "Jan Thorben Schneider",
+            "type": "Other"
+        },
+        {
+            "orcid": "0000-0003-4102-2460",
+            "affiliation": "Alogus Research Corporation",
+            "name": "Lee Phillips",
+            "type": "Other"
+        }
+    ],
+    "upload_type": "software"
+}

NEWS.md

@@ -3,14 +3,23 @@
 
 #### notes on release changes, ongoing development, and future planned work
 
-- Minor version 0.17 is the last one to support Julia 0.6!!
-- Minor version 0.11 is the last one to support Julia 0.5!!
-	- Critical bugfixes only
-    - `backports` branch is for Julia 0.5
-
----
 ## (current master)
 
+## 0.28.3
+- support generalized array interface
+- save to pdf, svg and eps in plotlyjs
+- fix for clims in line_z
+- optimize heatmap logic in gr
+
+## 0.26.3
+- fix `vline` with dates
+- fix PyPlot logscale bug
+- avoid annotation clipping for PyPlot
+- allow plotting of Any vectors and 3D plotting again in convertToAnyVector
+- specify legend title font in GR and PyPlot
+- delete `pushtomaster.sh`
+- use `=== nothing`
+
 ## 0.26.2
 - improve empty animation build error
 - fix GR axis flip for heatmaps and images

Project.toml

@@ -1,29 +1,32 @@
 name = "Plots"
 uuid = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 author = ["Tom Breloff (@tbreloff)"]
-version = "0.26.2"
+version = "1.22.7"
 
 [deps]
 Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
 Contour = "d38c429a-6771-53c6-b99e-75d170b6e991"
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
+Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
 FFMPEG = "c87230d0-a227-11e9-1b43-d7ebe4e7570a"
 FixedPointNumbers = "53c48c17-4a7d-5ca2-90c5-79b7896eea93"
 GR = "28b8d3ca-fb5f-59d9-8090-bfdbd6d07a71"
-GeometryTypes = "4d00f742-c7ba-57c2-abde-4428a4b178cb"
+GeometryBasics = "5c1252a2-5f33-56bf-86c9-59e7332b4326"
 JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
+Latexify = "23fbe1c1-3f47-55db-b15f-69d7ec21a316"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Measures = "442fdcdd-2543-5da2-b0f3-8c86c306513e"
 NaNMath = "77ba4419-2d1f-58cd-9bb1-8ffee604a2e3"
-Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 PlotThemes = "ccf2f8ad-2431-5c83-bf29-c5338b663b6a"
 PlotUtils = "995b91a9-d308-5afd-9ec6-746e21dbc043"
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 REPL = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
+RecipesPipeline = "01d81517-befc-4cb6-b9ec-a95719d0359c"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 Requires = "ae029012-a4dd-5104-9daa-d747884805df"
+Scratch = "6c6a2e73-6563-6170-7368-637461726353"
 Showoff = "992d4aef-0814-514b-bc4d-f2e9a6c4116f"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
@@ -31,27 +34,46 @@ StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 
 [compat]
-FixedPointNumbers = "≥ 0.3.0"
-GR = "≥ 0.31.0"
-PlotThemes = "≥ 0.1.3"
-PlotUtils = "≥ 0.4.1"
-RecipesBase = "≥ 0.6.0"
-StatsBase = "≥ 0.14.0"
-julia = "≥ 1.0.0"
+Contour = "0.5"
+FFMPEG = "0.2 - 0.4"
+FixedPointNumbers = "0.6 - 0.8"
+GR = "0.60 - 0.61"
+GeometryBasics = "0.2, 0.3.1, 0.4"
+JSON = "0.21, 1"
+Latexify = "0.14 - 0.15"
+Measures = "0.3"
+NaNMath = "0.3"
+PlotThemes = "2"
+PlotUtils = "1"
+RecipesBase = "1"
+RecipesPipeline = "0.3.5, 0.4"
+Reexport = "0.2, 1.0"
+Requires = "1"
+Scratch = "1"
+Showoff = "0.3.1, 1.0"
+StatsBase = "0.32 - 0.33"
+UnicodePlots = "2.4"
+julia = "1.5"
 
 [extras]
+Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"
 FileIO = "5789e2e9-d7fb-5bc7-8068-2c6fae9b9549"
+Gtk = "4c0ca9eb-093a-5379-98c5-f87ac0bbbf44"
+HDF5 = "f67ccb44-e63f-5c2f-98bd-6dc0ccc4ba2f"
 ImageMagick = "6218d12a-5da1-5696-b52f-db25d2ecc6d1"
 Images = "916415d5-f1e6-5110-898d-aaa5f9f070e0"
-LaTeXStrings = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f"
-Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
+LibGit2 = "76f85450-5226-5b5a-8eaa-529ad045b433"
+OffsetArrays = "6fe1bfb0-de20-5000-8ca7-80f57d26f881"
+PGFPlotsX = "8314cec4-20b6-5062-9cdb-752b83310925"
+PlotlyJS = "f0f68f2c-4968-5e81-91da-67840de0976a"
 RDatasets = "ce6b1742-4840-55fa-b093-852dadbb1d8b"
-Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+StableRNGs = "860ef19b-820b-49d6-a774-d7a799459cd3"
+StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 StatsPlots = "f3b207a7-027a-5e70-b257-86293d7955fd"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+TestImages = "5e47fb64-e119-507b-a336-dd2b206d9990"
 UnicodePlots = "b8865327-cd53-5732-bb35-84acbb429228"
 VisualRegressionTests = "34922c18-7c2a-561c-bac1-01e79b2c4c92"
-BinaryProvider = "b99e7846-7c00-51b0-8f62-c81ae34c0232"
 
 [targets]
-test = ["BinaryProvider", "Pkg", "Test", "Random", "StatsPlots", "VisualRegressionTests", "LaTeXStrings", "Images", "ImageMagick", "RDatasets", "FileIO", "UnicodePlots"]
+test = ["Distributions", "FileIO", "Gtk", "ImageMagick", "Images", "LibGit2", "OffsetArrays", "PGFPlotsX", "PlotlyJS", "HDF5", "RDatasets", "StableRNGs", "StaticArrays", "StatsPlots", "Test", "TestImages", "UnicodePlots", "VisualRegressionTests"]

README.md

@@ -1,13 +1,26 @@
 # Plots
 
-[![Build Status](https://travis-ci.org/JuliaPlots/Plots.jl.svg?branch=master)](https://travis-ci.org/JuliaPlots/Plots.jl)
-[![Build status](https://ci.appveyor.com/api/projects/status/github/juliaplots/plots.jl?branch=master&svg=true)](https://ci.appveyor.com/project/mkborregaard/plots-jl)
-[![Join the chat at https://gitter.im/tbreloff/Plots.jl](https://badges.gitter.im/tbreloff/Plots.jl.svg)](https://gitter.im/tbreloff/Plots.jl?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-<a href="http://docs.juliaplots.org/latest/" target="_blank"><img src="https://img.shields.io/badge/docs-latest-blue.svg" alt="Latest documentation"></a>
-<!-- [![Plots](http://pkg.julialang.org/badges/Plots_0.3.svg)](http://pkg.julialang.org/?pkg=Plots&ver=0.3) -->
-<!-- [![Plots](http://pkg.julialang.org/badges/Plots_0.4.svg)](http://pkg.julialang.org/?pkg=Plots&ver=0.4) -->
-<!-- [![Coverage Status](https://coveralls.io/repos/tbreloff/Plots.jl/badge.svg?branch=master)](https://coveralls.io/r/tbreloff/Plots.jl?branch=master) -->
-<!-- [![codecov.io](http://codecov.io/github/tbreloff/Plots.jl/coverage.svg?branch=master)](http://codecov.io/github/tbreloff/Plots.jl?branch=master) -->
+[gh-ci-img]: https://github.com/JuliaPlots/Plots.jl/workflows/ci/badge.svg?branch=master
+[gh-ci-url]: https://github.com/JuliaPlots/Plots.jl/actions?query=workflow%3Aci
+
+[pkgeval-img]: https://juliaci.github.io/NanosoldierReports/pkgeval_badges/P/Plots.svg
+[pkgeval-url]: https://juliaci.github.io/NanosoldierReports/pkgeval_badges/report.html
+
+[gitter-img]: https://badges.gitter.im/tbreloff/Plots.jl.svg
+[gitter-url]: https://gitter.im/tbreloff/Plots.jl?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
+
+[docs-img]: https://img.shields.io/badge/docs-stable-blue.svg
+[docs-url]: https://docs.juliaplots.org/latest/
+
+[![][gh-ci-img]][gh-ci-url]
+[![][pkgeval-img]][pkgeval-url]
+[![project chat](https://img.shields.io/badge/zulip-join_chat-brightgreen.svg)](https://julialang.zulipchat.com/#narrow/stream/236493-plots)
+[![][docs-img]][docs-url]
+[![Codecov](https://codecov.io/gh/JuliaPlots/Plots.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/JuliaPlots/Plots.jl)
+
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.4725317.svg)](https://doi.org/10.5281/zenodo.4725317)
+This is the DOI for all Versions, please follow the link to get the DOI for a specific version.
+
 
 #### Created by Tom Breloff (@tbreloff)
 

appveyor.yml

@@ -1,43 +0,0 @@
-environment:
-  matrix:
-  # - julia_version: 0.7
-  - julia_version: 1
-  - julia_version: nightly
-
-platform:
-  - x86 # 32-bit
-  - x64 # 64-bit
-
-# # Uncomment the following lines to allow failures on nightly julia
-# # (tests will run but not make your overall status red)
-matrix:
-  allow_failures:
-  - julia_version: nightly
-
-branches:
-  only:
-    - master
-    - /release-.*/
-
-notifications:
-  - provider: Email
-    on_build_success: false
-    on_build_failure: false
-    on_build_status_changed: false
-
-install:
-  - ps: iex ((new-object net.webclient).DownloadString("https://raw.githubusercontent.com/JuliaCI/Appveyor.jl/version-1/bin/install.ps1"))
-
-build_script:
-  - echo "%JL_BUILD_SCRIPT%"
-  - C:\julia\bin\julia -e "%JL_BUILD_SCRIPT%"
-
-test_script:
-  - echo "%JL_TEST_SCRIPT%"
-  - C:\julia\bin\julia -e "%JL_TEST_SCRIPT%"
-
-# # Uncomment to support code coverage upload. Should only be enabled for packages
-# # which would have coverage gaps without running on Windows
-# on_success:
-#   - echo "%JL_CODECOV_SCRIPT%"
-#   - C:\julia\bin\julia -e "%JL_CODECOV_SCRIPT%"

benchmark/Project.toml

@@ -0,0 +1,5 @@
+[deps]
+BenchmarkCI = "20533458-34a3-403d-a444-e18f38190b5b"
+BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
+PkgBenchmark = "32113eaa-f34f-5b0d-bd6c-c81e245fc73d"
+Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"

benchmark/benchmarks.jl

@@ -0,0 +1,10 @@
+using BenchmarkTools
+using Plots
+
+const SUITE = BenchmarkGroup()
+julia_cmd = split(get(ENV, "TESTCMD", Base.JLOptions().julia_bin))
+
+SUITE["load_plot_display"] = @benchmarkable run(`$julia_cmd --startup-file=no --project -e 'using Plots; display(plot(1:0.1:10, sin.(1:0.1:10)))'`)
+SUITE["load"] = @benchmarkable run(`$julia_cmd --startup-file=no --project -e 'using Plots'`)
+SUITE["plot"] = @benchmarkable p = plot(1:0.1:10, sin.(1:0.1:10)) samples=1 evals=1
+SUITE["display"] = @benchmarkable display(p) setup=(p = plot(1:0.1:10, sin.(1:0.1:10))) samples=1 evals=1

codecov.yml

@@ -0,0 +1,13 @@
+github_checks:
+  annotations: false
+
+ignore:
+  - "src/backends/inspectdr.jl"
+  - "src/backends/orca.jl"
+  - "src/backends/pgfplots.jl"
+  - "src/backends/plotly.jl"
+  - "src/backends/plotlyjs.jl"
+  - "src/backends/pyplot.jl"
+  - "src/backends/web.jl"
+  - "src/fileio.jl"
+  - "src/ijulia.jl"

deps/SnoopCompile/precompile/precompile_Plots.jl

@@ -0,0 +1,421 @@
+# Use
+#    @warnpcfail precompile(args...)
+# if you want to be warned when a precompile directive fails
+macro warnpcfail(ex::Expr)
+    modl = __module__
+    file = __source__.file === nothing ? "?" : String(__source__.file)
+    line = __source__.line
+    quote
+        $(esc(ex)) || @warn """precompile directive
+     $($(Expr(:quote, ex)))
+ failed. Please report an issue in $($modl) (after checking for duplicates) or remove this directive.""" _file=$file _line=$line
+    end
+end
+
+
+const __bodyfunction__ = Dict{Method,Any}()
+
+# Find keyword "body functions" (the function that contains the body
+# as written by the developer, called after all missing keyword-arguments
+# have been assigned values), in a manner that doesn't depend on
+# gensymmed names.
+# `mnokw` is the method that gets called when you invoke it without
+# supplying any keywords.
+function __lookup_kwbody__(mnokw::Method)
+    function getsym(arg)
+        isa(arg, Symbol) && return arg
+        @assert isa(arg, GlobalRef)
+        return arg.name
+    end
+
+    f = get(__bodyfunction__, mnokw, nothing)
+    if f === nothing
+        fmod = mnokw.module
+        # The lowered code for `mnokw` should look like
+        #   %1 = mkw(kwvalues..., #self#, args...)
+        #        return %1
+        # where `mkw` is the name of the "active" keyword body-function.
+        ast = Base.uncompressed_ast(mnokw)
+        if isa(ast, Core.CodeInfo) && length(ast.code) >= 2
+            callexpr = ast.code[end-1]
+            if isa(callexpr, Expr) && callexpr.head == :call
+                fsym = callexpr.args[1]
+                if isa(fsym, Symbol)
+                    f = getfield(fmod, fsym)
+                elseif isa(fsym, GlobalRef)
+                    if fsym.mod === Core && fsym.name === :_apply
+                        f = getfield(mnokw.module, getsym(callexpr.args[2]))
+                    elseif fsym.mod === Core && fsym.name === :_apply_iterate
+                        f = getfield(mnokw.module, getsym(callexpr.args[3]))
+                    else
+                        f = getfield(fsym.mod, fsym.name)
+                    end
+                else
+                    f = missing
+                end
+            else
+                f = missing
+            end
+        else
+            f = missing
+        end
+        __bodyfunction__[mnokw] = f
+    end
+    return f
+end
+
+function _precompile_()
+    ccall(:jl_generating_output, Cint, ()) == 1 || return nothing
+    Base.precompile(Tuple{Core.kwftype(typeof(Type)),NamedTuple{(:label, :blank), Tuple{Symbol, Bool}},Type{EmptyLayout}})
+    Base.precompile(Tuple{Core.kwftype(typeof(Type)),NamedTuple{(:label, :width, :height), Tuple{Symbol, Symbol, Length{:pct, Float64}}},Type{EmptyLayout}})
+    Base.precompile(Tuple{Core.kwftype(typeof(Type)),NamedTuple{(:parent,), Tuple{GridLayout}},Type{Subplot},GRBackend})
+    Base.precompile(Tuple{Core.kwftype(typeof(Type)),NamedTuple{(:parent,), Tuple{GridLayout}},Type{Subplot},PlotlyBackend})
+    Base.precompile(Tuple{Core.kwftype(typeof(Type)),NamedTuple{(:parent,), Tuple{Subplot{GRBackend}}},Type{Subplot},GRBackend})
+    Base.precompile(Tuple{Core.kwftype(typeof(Type)),NamedTuple{(:parent,), Tuple{Subplot{PlotlyBackend}}},Type{Subplot},PlotlyBackend})
+    Base.precompile(Tuple{Core.kwftype(typeof(_make_hist)),NamedTuple{(:normed, :weights), Tuple{Bool, Nothing}},typeof(_make_hist),Tuple{Vector{Float64}, Vector{Float64}},Int64})
+    Base.precompile(Tuple{Core.kwftype(typeof(_make_hist)),NamedTuple{(:normed, :weights), Tuple{Bool, Nothing}},typeof(_make_hist),Tuple{Vector{Float64}, Vector{Float64}},Tuple{Int64, Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(_make_hist)),NamedTuple{(:normed, :weights), Tuple{Bool, Nothing}},typeof(_make_hist),Tuple{Vector{Float64}},Symbol})
+    Base.precompile(Tuple{Core.kwftype(typeof(_make_hist)),NamedTuple{(:normed, :weights), Tuple{Bool, Vector{Int64}}},typeof(_make_hist),Tuple{Vector{Float64}},Symbol})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:flip,), Tuple{Bool}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:formatter,), Tuple{typeof(datetimeformatter)}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:grid, :flip, :minorgrid, :guide), Tuple{Bool, Bool, Bool, String}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:grid, :lims), Tuple{Bool, Tuple{Float64, Float64}}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:grid, :lims, :flip), Tuple{Bool, Tuple{Float64, Float64}, Bool}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:grid, :minorgrid, :guide), Tuple{Bool, Bool, String}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:grid, :minorgrid, :mirror, :guide), Tuple{Bool, Bool, Bool, String}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:grid,), Tuple{Bool}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:gridlinewidth, :grid, :gridalpha, :gridstyle, :foreground_color_grid), Tuple{Int64, Bool, Float64, Symbol, RGBA{Float64}}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:guide,), Tuple{String}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:guide_position, :guidefontvalign, :mirror, :guide), Tuple{Symbol, Symbol, Bool, String}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:guidefonthalign, :guide_position, :mirror, :guide), Tuple{Symbol, Symbol, Bool, String}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:lims, :flip, :ticks, :guide), Tuple{Tuple{Int64, Int64}, Bool, StepRange{Int64, Int64}, String}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:lims,), Tuple{Tuple{Float64, Float64}}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:lims,), Tuple{Tuple{Int64, Float64}}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:lims,), Tuple{Tuple{Int64, Int64}}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:minorgrid, :scale, :guide), Tuple{Bool, Symbol, String}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:rotation,), Tuple{Int64}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:ticks,), Tuple{Nothing}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(attr!)),NamedTuple{(:ticks,), Tuple{UnitRange{Int64}}},typeof(attr!),Axis})
+    Base.precompile(Tuple{Core.kwftype(typeof(default)),NamedTuple{(:shape,), Tuple{Symbol}},typeof(default)})
+    Base.precompile(Tuple{Core.kwftype(typeof(default)),NamedTuple{(:titlefont, :legendfontsize, :guidefont, :tickfont, :guide, :framestyle, :yminorgrid), Tuple{Tuple{Int64, String}, Int64, Tuple{Int64, Symbol}, Tuple{Int64, Symbol}, String, Symbol, Bool}},typeof(default)})
+    Base.precompile(Tuple{Core.kwftype(typeof(font)),NamedTuple{(:family, :pointsize, :halign, :valign, :rotation, :color), Tuple{String, Int64, Symbol, Symbol, Float64, RGBA{Float64}}},typeof(font)})
+    Base.precompile(Tuple{Core.kwftype(typeof(font)),NamedTuple{(:family, :pointsize, :valign, :halign, :rotation, :color), Tuple{String, Int64, Symbol, Symbol, Float64, RGBA{Float64}}},typeof(font)})
+    Base.precompile(Tuple{Core.kwftype(typeof(gr_polyline)),NamedTuple{(:arrowside, :arrowstyle), Tuple{Symbol, Symbol}},typeof(gr_polyline),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(gr_polyline)),NamedTuple{(:arrowside, :arrowstyle), Tuple{Symbol, Symbol}},typeof(gr_polyline),StepRange{Int64, Int64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(gr_polyline)),NamedTuple{(:arrowside, :arrowstyle), Tuple{Symbol, Symbol}},typeof(gr_polyline),UnitRange{Int64},UnitRange{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(gr_polyline)),NamedTuple{(:arrowside, :arrowstyle), Tuple{Symbol, Symbol}},typeof(gr_polyline),UnitRange{Int64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(gr_polyline)),NamedTuple{(:arrowside, :arrowstyle), Tuple{Symbol, Symbol}},typeof(gr_polyline),Vector{Int64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(gr_set_font)),NamedTuple{(:halign, :valign, :rotation), Tuple{Symbol, Symbol, Int64}},typeof(gr_set_font),Font,Subplot{GRBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:alpha, :seriestype), Tuple{Float64, Symbol}},typeof(plot!),Plot{GRBackend},Vector{GeometryBasics.Point2{Float64}}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:alpha, :seriestype), Tuple{Float64, Symbol}},typeof(plot!),Plot{PlotlyBackend},Vector{GeometryBasics.Point2{Float64}}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:alpha, :seriestype), Tuple{Float64, Symbol}},typeof(plot!),Vector{GeometryBasics.Point2{Float64}}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:annotation,), Tuple{Vector{Tuple{Int64, Float64, Tuple{String, Any, Any, Any}}}}},typeof(plot!)})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:layout, :margin), Tuple{GridLayout, AbsoluteLength}},typeof(plot!),Plot{GRBackend},Plot{GRBackend},Plot{GRBackend},Vararg{Plot{GRBackend}, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:legend,), Tuple{Bool}},typeof(plot!),Plot{GRBackend},Plot{GRBackend},Plot{GRBackend},Vararg{Plot{GRBackend}, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:legend,), Tuple{Bool}},typeof(plot!),Plot{PlotlyBackend},Plot{PlotlyBackend},Plot{PlotlyBackend},Vararg{Plot{PlotlyBackend}, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:legend,), Tuple{Symbol}},typeof(plot!),Plot{GRBackend},Plot{GRBackend},Plot{GRBackend},Vararg{Plot{GRBackend}, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:legend,), Tuple{Symbol}},typeof(plot!),Plot{PlotlyBackend},Plot{PlotlyBackend},Plot{PlotlyBackend},Vararg{Plot{PlotlyBackend}, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:line, :seriestype), Tuple{Tuple{Int64, Symbol, Float64, Matrix{Symbol}}, Symbol}},typeof(plot!),Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:line, :seriestype), Tuple{Tuple{Int64, Symbol, Float64, Matrix{Symbol}}, Symbol}},typeof(plot!),Plot{GRBackend},Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:line, :seriestype), Tuple{Tuple{Int64, Symbol, Float64, Matrix{Symbol}}, Symbol}},typeof(plot!),Plot{PlotlyBackend},Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:lw, :color), Tuple{Int64, Symbol}},typeof(plot!),Function,Float64,Irrational{:π}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:lw, :color), Tuple{Int64, Symbol}},typeof(plot!),Plot{GRBackend},Function,Float64,Vararg{Any, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:marker, :series_annotations, :seriestype), Tuple{Tuple{Int64, Float64, Symbol}, Vector{Any}, Symbol}},typeof(plot!),Plot{GRBackend},StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:marker, :series_annotations, :seriestype), Tuple{Tuple{Int64, Float64, Symbol}, Vector{Any}, Symbol}},typeof(plot!),Plot{PlotlyBackend},StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:marker, :series_annotations, :seriestype), Tuple{Tuple{Int64, Float64, Symbol}, Vector{Any}, Symbol}},typeof(plot!),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:markersize, :c, :seriestype), Tuple{Int64, Symbol, Symbol}},typeof(plot!),Plot{GRBackend},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:markersize, :c, :seriestype), Tuple{Int64, Symbol, Symbol}},typeof(plot!),Plot{PlotlyBackend},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:markersize, :c, :seriestype), Tuple{Int64, Symbol, Symbol}},typeof(plot!),Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:seriestype, :inset), Tuple{Symbol, Tuple{Int64, BoundingBox{Tuple{Length{:w, Float64}, Length{:h, Float64}}, Tuple{Length{:w, Float64}, Length{:h, Float64}}}}}},typeof(plot!),Plot{GRBackend},Vector{Int64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:seriestype, :inset), Tuple{Symbol, Tuple{Int64, BoundingBox{Tuple{Length{:w, Float64}, Length{:h, Float64}}, Tuple{Length{:w, Float64}, Length{:h, Float64}}}}}},typeof(plot!),Plot{PlotlyBackend},Vector{Int64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:seriestype, :inset), Tuple{Symbol, Tuple{Int64, BoundingBox{Tuple{Length{:w, Float64}, Length{:h, Float64}}, Tuple{Length{:w, Float64}, Length{:h, Float64}}}}}},typeof(plot!),Vector{Int64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:seriestype,), Tuple{Symbol}},typeof(plot!),Plot{GRBackend},Vector{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:seriestype,), Tuple{Symbol}},typeof(plot!),Plot{PlotlyBackend},Vector{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:seriestype,), Tuple{Symbol}},typeof(plot!),Vector{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:title,), Tuple{String}},typeof(plot!),Plot{GRBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:title,), Tuple{String}},typeof(plot!),Plot{PlotlyBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:title,), Tuple{String}},typeof(plot!)})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:w,), Tuple{Int64}},typeof(plot!),Plot{GRBackend},Vector{Float64},Vector{Float64},Vararg{Any, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:xgrid,), Tuple{Tuple{Symbol, Symbol, Int64, Symbol, Float64}}},typeof(plot!),Plot{GRBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:yaxis, :minorgrid), Tuple{Tuple{String, Symbol}, Bool}},typeof(plot!),Plot{PlotlyBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:yaxis, :minorgrid), Tuple{Tuple{String, Symbol}, Bool}},typeof(plot!)})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:zcolor, :m, :ms, :lab, :seriestype), Tuple{Vector{Float64}, Tuple{Symbol, Float64, Stroke}, Vector{Float64}, String, Symbol}},typeof(plot!),Plot{GRBackend},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:zcolor, :m, :ms, :lab, :seriestype), Tuple{Vector{Float64}, Tuple{Symbol, Float64, Stroke}, Vector{Float64}, String, Symbol}},typeof(plot!),Plot{PlotlyBackend},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot!)),NamedTuple{(:zcolor, :m, :ms, :lab, :seriestype), Tuple{Vector{Float64}, Tuple{Symbol, Float64, Stroke}, Vector{Float64}, String, Symbol}},typeof(plot!),Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:annotations, :leg), Tuple{Tuple{Int64, Float64, PlotText}, Bool}},typeof(plot),Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:arrow,), Tuple{Int64}},typeof(plot),Vector{Float64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:aspect_ratio, :seriestype), Tuple{Int64, Symbol}},typeof(plot),Vector{String},Vector{String},Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:bins, :weights, :seriestype), Tuple{Symbol, Vector{Int64}, Symbol}},typeof(plot),Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:color, :line, :marker), Tuple{Matrix{Symbol}, Tuple{Symbol, Int64}, Tuple{Matrix{Symbol}, Int64, Float64, Stroke}}},typeof(plot),Vector{Vector{T} where T}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:connections, :title, :xlabel, :ylabel, :zlabel, :legend, :margin, :seriestype), Tuple{Tuple{Vector{Int64}, Vector{Int64}, Vector{Int64}}, String, String, String, String, Symbol, AbsoluteLength, Symbol}},typeof(plot),Vector{Int64},Vector{Int64},Vector{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:fill, :seriestype), Tuple{Bool, Symbol}},typeof(plot),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Function})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:framestyle, :title, :color, :layout, :label, :markerstrokewidth, :ticks, :seriestype), Tuple{Matrix{Symbol}, Matrix{String}, Base.ReshapedArray{Int64, 2, UnitRange{Int64}, Tuple{}}, Int64, String, Int64, UnitRange{Int64}, Symbol}},typeof(plot),Vector{Vector{Float64}},Vector{Vector{Float64}}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:grid, :title), Tuple{Tuple{Symbol, Symbol, Symbol, Int64, Float64}, String}},typeof(plot),Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:lab, :w, :palette, :fill, :α), Tuple{String, Int64, PlotUtils.ContinuousColorGradient, Int64, Float64}},typeof(plot),StepRange{Int64, Int64},Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:label, :title, :xlabel, :linewidth, :legend), Tuple{Matrix{String}, String, String, Int64, Symbol}},typeof(plot),Vector{Function},Float64,Float64})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:label,), Tuple{Matrix{String}}},typeof(plot),Vector{AbstractVector{Float64}}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:labels,), Tuple{Matrix{String}}},typeof(plot),PortfolioComposition})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :group, :linetype, :linecolor), Tuple{GridLayout, Vector{String}, Matrix{Symbol}, Symbol}},typeof(plot),Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :label, :fillrange, :fillalpha), Tuple{Tuple{Int64, Int64}, String, Int64, Float64}},typeof(plot),Plot{GRBackend},Plot{GRBackend},Plot{GRBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :label, :fillrange, :fillalpha), Tuple{Tuple{Int64, Int64}, String, Int64, Float64}},typeof(plot),Plot{PlotlyBackend},Plot{PlotlyBackend},Plot{PlotlyBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :link), Tuple{Int64, Symbol}},typeof(plot),Plot{GRBackend},Plot{GRBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :link), Tuple{Int64, Symbol}},typeof(plot),Plot{PlotlyBackend},Plot{PlotlyBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :margin), Tuple{GridLayout, AbsoluteLength}},typeof(plot),Plot{GRBackend},Plot{GRBackend},Plot{GRBackend},Vararg{Plot{GRBackend}, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :palette, :bg_inside), Tuple{Int64, Matrix{PlotUtils.ContinuousColorGradient}, Matrix{Symbol}}},typeof(plot),Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :t, :leg, :ticks, :border), Tuple{GridLayout, Matrix{Symbol}, Bool, Nothing, Symbol}},typeof(plot),Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :title, :titlelocation, :left_margin, :bottom_margin, :xrotation), Tuple{GridLayout, Matrix{String}, Symbol, Matrix{AbsoluteLength}, AbsoluteLength, Int64}},typeof(plot),Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :xguide, :yguide, :xguidefonthalign, :yguidefontvalign, :xguideposition, :yguideposition, :ymirror, :xmirror, :legend, :seriestype), Tuple{Int64, String, String, Matrix{Symbol}, Matrix{Symbol}, Symbol, Matrix{Symbol}, Matrix{Bool}, Matrix{Bool}, Bool, Matrix{Symbol}}},typeof(plot),Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout, :xlims), Tuple{GridLayout, Tuple{Int64, Float64}}},typeof(plot),Plot{GRBackend},Plot{GRBackend},Plot{GRBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout,), Tuple{Tuple{Int64, Int64}}},typeof(plot),Plot{GRBackend},Plot{GRBackend},Plot{GRBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:layout,), Tuple{Tuple{Int64, Int64}}},typeof(plot),Plot{PlotlyBackend},Plot{PlotlyBackend},Plot{PlotlyBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:legend,), Tuple{Bool}},typeof(plot),Plot{GRBackend},Plot{GRBackend},Plot{GRBackend},Vararg{Plot{GRBackend}, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:legend,), Tuple{Bool}},typeof(plot),Plot{PlotlyBackend},Plot{PlotlyBackend},Plot{PlotlyBackend},Vararg{Plot{PlotlyBackend}, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:legend,), Tuple{Symbol}},typeof(plot),Plot{GRBackend},Plot{GRBackend},Plot{GRBackend},Vararg{Plot{GRBackend}, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:legend,), Tuple{Symbol}},typeof(plot),Plot{PlotlyBackend},Plot{PlotlyBackend},Plot{PlotlyBackend},Vararg{Plot{PlotlyBackend}, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:legend,), Tuple{Symbol}},typeof(plot),Vector{Tuple{Int64, Real}}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:line, :lab, :ms), Tuple{Tuple{Matrix{Symbol}, Int64}, Matrix{String}, Int64}},typeof(plot),Vector{Vector{T} where T},Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:line, :label, :legendtitle), Tuple{Tuple{Int64, Matrix{Symbol}}, Matrix{String}, String}},typeof(plot),Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:line, :leg, :fill), Tuple{Int64, Bool, Tuple{Int64, Symbol}}},typeof(plot),Function,Function,Int64,Vararg{Any, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:line, :marker, :bg, :fg, :xlim, :ylim, :leg), Tuple{Tuple{Int64, Symbol, Symbol}, Tuple{Shape{Float64, Float64}, Int64, RGBA{Float64}}, Symbol, Symbol, Tuple{Int64, Int64}, Tuple{Int64, Int64}, Bool}},typeof(plot),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:line_z, :linewidth, :legend), Tuple{StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}}, Int64, Bool}},typeof(plot),Vector{Float64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:m, :markersize, :lab, :bg, :xlim, :ylim, :seriestype), Tuple{Matrix{Symbol}, Int64, Matrix{String}, Symbol, Tuple{Int64, Int64}, Tuple{Int64, Int64}, Symbol}},typeof(plot),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:marker,), Tuple{Bool}},typeof(plot),Vector{Union{Missing, Int64}}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:marker_z, :color, :legend, :seriestype), Tuple{typeof(+), Symbol, Bool, Symbol}},typeof(plot),Vector{Float64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:markershape, :markersize, :marker_z, :line_z, :linewidth), Tuple{Matrix{Symbol}, Matrix{Int64}, Matrix{Int64}, Matrix{Int64}, Matrix{Int64}}},typeof(plot),Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:markershape, :seriestype, :label), Tuple{Symbol, Symbol, String}},typeof(plot),UnitRange{Int64},Vector{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:nbins, :seriestype), Tuple{Int64, Symbol}},typeof(plot),Vector{Float64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:nbins, :show_empty_bins, :normed, :aspect_ratio, :seriestype), Tuple{Tuple{Int64, Int64}, Bool, Bool, Int64, Symbol}},typeof(plot),Vector{ComplexF64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:proj, :m), Tuple{Symbol, Int64}},typeof(plot),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:projection, :seriestype), Tuple{Symbol, Symbol}},typeof(plot),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},UnitRange{Int64},Matrix{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:quiver, :seriestype), Tuple{Tuple{Vector{Float64}, Vector{Float64}, Vector{Float64}}, Symbol}},typeof(plot),Vector{Float64},Vector{Float64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:reg, :fill), Tuple{Bool, Tuple{Int64, Symbol}}},typeof(plot),Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:ribbon,), Tuple{Int64}},typeof(plot),UnitRange{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:ribbon,), Tuple{StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}}}},typeof(plot),UnitRange{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:ribbon,), Tuple{Tuple{LinRange{Float64}, LinRange{Float64}}}},typeof(plot),UnitRange{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:ribbon,), Tuple{typeof(sqrt)}},typeof(plot),UnitRange{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:seriestype, :markershape, :markersize, :color), Tuple{Matrix{Symbol}, Vector{Symbol}, Int64, Vector{Symbol}}},typeof(plot),Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:seriestype,), Tuple{Symbol}},typeof(plot),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:seriestype,), Tuple{Symbol}},typeof(plot),Vector{DateTime},UnitRange{Int64},Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:seriestype,), Tuple{Symbol}},typeof(plot),Vector{OHLC}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:st, :xlabel, :ylabel, :zlabel), Tuple{Symbol, String, String, String}},typeof(plot),Vector{Float64},Vector{Float64},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:title, :l, :seriestype), Tuple{String, Float64, Symbol}},typeof(plot),Vector{String},Vector{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:title, :xflip, :yflip, :zflip, :zlabel, :grid, :ylabel, :minorgrid, :xlabel, :seriestype), Tuple{String, Bool, Bool, Bool, String, Bool, String, Bool, String, Symbol}},typeof(plot),Vector{Float64},Vector{Float64},Function})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:title, :xmirror, :ymirror, :zmirror, :zlabel, :grid, :ylabel, :minorgrid, :xlabel, :seriestype), Tuple{String, Bool, Bool, Bool, String, Bool, String, Bool, String, Symbol}},typeof(plot),Vector{Float64},Vector{Float64},Function})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:title, :zlabel, :grid, :ylabel, :minorgrid, :xlabel, :seriestype), Tuple{String, String, Bool, String, Bool, String, Symbol}},typeof(plot),Vector{Float64},Vector{Float64},Function})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:title,), Tuple{Matrix{String}}},typeof(plot),Plot{GRBackend},Plot{GRBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:title,), Tuple{Matrix{String}}},typeof(plot),Plot{PlotlyBackend},Plot{PlotlyBackend}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:w,), Tuple{Int64}},typeof(plot),Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:xaxis, :background_color, :leg), Tuple{Tuple{String, Tuple{Int64, Int64}, StepRange{Int64, Int64}, Symbol}, RGB{Float64}, Bool}},typeof(plot),Matrix{Float64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(plot)),NamedTuple{(:zcolor, :m, :leg, :cbar, :w), Tuple{StepRange{Int64, Int64}, Tuple{Int64, Float64, Symbol, Stroke}, Bool, Bool, Int64}},typeof(plot),Vector{Float64},Vector{Float64},UnitRange{Int64}})
+    Base.precompile(Tuple{Core.kwftype(typeof(portfoliocomposition)),Any,typeof(portfoliocomposition),Any,Vararg{Any, N} where N})
+    Base.precompile(Tuple{Core.kwftype(typeof(scatter!)),Any,typeof(scatter!),Any})
+    Base.precompile(Tuple{Core.kwftype(typeof(test_examples)),NamedTuple{(:skip,), Tuple{Vector{Int64}}},typeof(test_examples),Symbol})
+    Base.precompile(Tuple{Type{GridLayout},Int64,Vararg{Int64, N} where N})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},AbstractVector{OHLC}})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},PortfolioComposition})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:barbins}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:barhist}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:bar}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:bins2d}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:histogram2d}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:hline}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:lens}},AbstractPlot})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:pie}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:quiver}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:steppre}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:sticks}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:vline}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Type{Val{:xerror}},Any,Any,Any})
+    Base.precompile(Tuple{typeof(RecipesBase.apply_recipe),AbstractDict{Symbol, Any},Vector{ComplexF64}})
+    Base.precompile(Tuple{typeof(RecipesPipeline.add_series!),Plot{GRBackend},DefaultsDict})
+    Base.precompile(Tuple{typeof(RecipesPipeline.add_series!),Plot{PlotlyBackend},DefaultsDict})
+    Base.precompile(Tuple{typeof(RecipesPipeline.plot_setup!),Plot{GRBackend},Dict{Symbol, Any},Vector{Dict{Symbol, Any}}})
+    Base.precompile(Tuple{typeof(RecipesPipeline.plot_setup!),Plot{PlotlyBackend},Dict{Symbol, Any},Vector{Dict{Symbol, Any}}})
+    Base.precompile(Tuple{typeof(RecipesPipeline.preprocess_attributes!),Plot{GRBackend},DefaultsDict})
+    Base.precompile(Tuple{typeof(RecipesPipeline.process_userrecipe!),Plot{GRBackend},Vector{Dict{Symbol, Any}},Dict{Symbol, Any}})
+    Base.precompile(Tuple{typeof(RecipesPipeline.process_userrecipe!),Plot{PlotlyBackend},Vector{Dict{Symbol, Any}},Dict{Symbol, Any}})
+    Base.precompile(Tuple{typeof(RecipesPipeline.warn_on_recipe_aliases!),Plot{GRBackend},DefaultsDict,Symbol,Any})
+    Base.precompile(Tuple{typeof(RecipesPipeline.warn_on_recipe_aliases!),Plot{GRBackend},Dict{Symbol, Any},Symbol,Any})
+    Base.precompile(Tuple{typeof(RecipesPipeline.warn_on_recipe_aliases!),Plot{PlotlyBackend},DefaultsDict,Symbol,Any})
+    Base.precompile(Tuple{typeof(RecipesPipeline.warn_on_recipe_aliases!),Plot{PlotlyBackend},Dict{Symbol, Any},Symbol,Any})
+    Base.precompile(Tuple{typeof(_bin_centers),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}}})
+    Base.precompile(Tuple{typeof(_cbar_unique),Vector{Int64},String})
+    Base.precompile(Tuple{typeof(_cbar_unique),Vector{Nothing},String})
+    Base.precompile(Tuple{typeof(_cbar_unique),Vector{PlotUtils.ContinuousColorGradient},String})
+    Base.precompile(Tuple{typeof(_cbar_unique),Vector{StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}}},String})
+    Base.precompile(Tuple{typeof(_cbar_unique),Vector{Symbol},String})
+    Base.precompile(Tuple{typeof(_cycle),Base.OneTo{Int64},Vector{Int64}})
+    Base.precompile(Tuple{typeof(_cycle),Vector{Float64},StepRange{Int64, Int64}})
+    Base.precompile(Tuple{typeof(_do_plot_show),Plot{GRBackend},Bool})
+    Base.precompile(Tuple{typeof(_do_plot_show),Plot{PlotlyBackend},Bool})
+    Base.precompile(Tuple{typeof(_heatmap_edges),Vector{Float64},Bool,Bool})
+    Base.precompile(Tuple{typeof(_plot!),Plot,Any,Any})
+    Base.precompile(Tuple{typeof(_preprocess_barlike),DefaultsDict,Base.OneTo{Int64},Vector{Float64}})
+    Base.precompile(Tuple{typeof(_preprocess_binlike),DefaultsDict,StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Vector{Float64}})
+    Base.precompile(Tuple{typeof(_replace_markershape),Vector{Symbol}})
+    Base.precompile(Tuple{typeof(_update_min_padding!),GridLayout})
+    Base.precompile(Tuple{typeof(_update_subplot_args),Plot{GRBackend},Subplot{GRBackend},Dict{Symbol, Any},Int64,Bool})
+    Base.precompile(Tuple{typeof(_update_subplot_args),Plot{PlotlyBackend},Subplot{PlotlyBackend},Dict{Symbol, Any},Int64,Bool})
+    Base.precompile(Tuple{typeof(_update_subplot_periphery),Subplot{GRBackend},Vector{Any}})
+    Base.precompile(Tuple{typeof(_update_subplot_periphery),Subplot{PlotlyBackend},Vector{Any}})
+    Base.precompile(Tuple{typeof(axis_limits),Subplot{GRBackend},Symbol,Bool,Bool})
+    Base.precompile(Tuple{typeof(axis_limits),Subplot{PlotlyBackend},Symbol,Bool,Bool})
+    Base.precompile(Tuple{typeof(backend),PlotlyBackend})
+    Base.precompile(Tuple{typeof(bbox),AbsoluteLength,AbsoluteLength,AbsoluteLength,AbsoluteLength})
+    Base.precompile(Tuple{typeof(bbox),Float64,Float64,Float64,Float64})
+    Base.precompile(Tuple{typeof(build_layout),GridLayout,Int64,Vector{Plot}})
+    Base.precompile(Tuple{typeof(convert_to_polar),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Vector{Float64},Tuple{Int64, Float64}})
+    Base.precompile(Tuple{typeof(create_grid),Expr})
+    Base.precompile(Tuple{typeof(discrete_value!),Axis,Vector{String}})
+    Base.precompile(Tuple{typeof(error_coords),Vector{Float64},Vector{Float64},Vector{Float64},Vararg{Vector{Float64}, N} where N})
+    Base.precompile(Tuple{typeof(error_coords),Vector{Float64},Vector{Float64},Vector{Float64}})
+    Base.precompile(Tuple{typeof(error_zipit),Tuple{Vector{Float64}, Vector{Float64}, Vector{Float64}}})
+    Base.precompile(Tuple{typeof(fakedata),Int64,Int64})
+    Base.precompile(Tuple{typeof(get_minor_ticks),Subplot{GRBackend},Axis,Tuple{Vector{Float64}, Vector{String}}})
+    Base.precompile(Tuple{typeof(get_minor_ticks),Subplot{GRBackend},Axis,Tuple{Vector{Int64}, Vector{String}}})
+    Base.precompile(Tuple{typeof(get_series_color),Vector{Symbol},Subplot{GRBackend},Int64,Symbol})
+    Base.precompile(Tuple{typeof(get_series_color),Vector{Symbol},Subplot{PlotlyBackend},Int64,Symbol})
+    Base.precompile(Tuple{typeof(get_ticks),StepRange{Int64, Int64},Vector{Float64},Vector{Any},Tuple{Int64, Int64},Vararg{Any, N} where N})
+    Base.precompile(Tuple{typeof(get_ticks),Symbol,Vector{Float64},Vector{Any},Tuple{Float64, Float64},Vararg{Any, N} where N})
+    Base.precompile(Tuple{typeof(get_ticks),Symbol,Vector{Float64},Vector{Any},Tuple{Int64, Float64},Vararg{Any, N} where N})
+    Base.precompile(Tuple{typeof(get_ticks),Symbol,Vector{Float64},Vector{Any},Tuple{Int64, Int64},Vararg{Any, N} where N})
+    Base.precompile(Tuple{typeof(get_ticks),UnitRange{Int64},Vector{Float64},Vector{Any},Tuple{Float64, Float64},Vararg{Any, N} where N})
+    Base.precompile(Tuple{typeof(get_xy),OHLC{Float64},Int64,Float64})
+    Base.precompile(Tuple{typeof(get_xy),Vector{OHLC}})
+    Base.precompile(Tuple{typeof(gr_add_legend),Subplot{GRBackend},NamedTuple{(:w, :h, :dy, :leftw, :textw, :rightw, :xoffset, :yoffset, :width_factor), NTuple{9, Float64}},Vector{Float64}})
+    Base.precompile(Tuple{typeof(gr_add_legend),Subplot{GRBackend},NamedTuple{(:w, :h, :dy, :leftw, :textw, :rightw, :xoffset, :yoffset, :width_factor), Tuple{Int64, Int64, Int64, Float64, Int64, Float64, Float64, Float64, Float64}},Vector{Float64}})
+    Base.precompile(Tuple{typeof(gr_axis_height),Subplot{GRBackend},Axis})
+    Base.precompile(Tuple{typeof(gr_display),Subplot{GRBackend},AbsoluteLength,AbsoluteLength,Vector{Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_border),Subplot{GRBackend},Axis,Segments{Tuple{Float64, Float64, Float64}},Function})
+    Base.precompile(Tuple{typeof(gr_draw_contour),Series,StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Matrix{Float64},Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_heatmap),Series,Vector{Float64},Vector{Float64},Matrix{Float64},Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_marker),Series,Float64,Float64,Tuple{Float64, Float64},Int64,Float64,Float64,Symbol})
+    Base.precompile(Tuple{typeof(gr_draw_marker),Series,Float64,Float64,Tuple{Float64, Float64},Int64,Int64,Int64,Shape{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_marker),Series,Int64,Float64,Tuple{Float64, Float64},Int64,Float64,Int64,Symbol})
+    Base.precompile(Tuple{typeof(gr_draw_marker),Series,Int64,Int64,Tuple{Float64, Float64},Int64,Int64,Int64,Symbol})
+    Base.precompile(Tuple{typeof(gr_draw_markers),Series,Base.OneTo{Int64},Vector{Float64},Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_markers),Series,StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Vector{Float64},Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_markers),Series,UnitRange{Int64},Vector{Float64},Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_markers),Series,Vector{Int64},Vector{Float64},Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_segments),Series,Base.OneTo{Int64},UnitRange{Int64},Tuple{Vector{Float64}, Vector{Float64}},Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_segments),Series,Base.OneTo{Int64},Vector{Float64},Int64,Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_segments),Series,StepRange{Int64, Int64},Vector{Float64},Int64,Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_segments),Series,Vector{Float64},Vector{Float64},Int64,Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_surface),Series,Vector{Float64},Vector{Float64},Matrix{Float64},Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_draw_surface),Series,Vector{Float64},Vector{Float64},Vector{Float64},Tuple{Float64, Float64}})
+    Base.precompile(Tuple{typeof(gr_fill_viewport),Vector{Float64},RGBA{Float64}})
+    Base.precompile(Tuple{typeof(gr_get_3d_axis_angle),Vector{Float64},Float64,Float64,Symbol})
+    Base.precompile(Tuple{typeof(gr_get_ticks_size),Tuple{Vector{Float64}, Vector{String}},Int64})
+    Base.precompile(Tuple{typeof(gr_get_ticks_size),Tuple{Vector{Int64}, Vector{String}},Int64})
+    Base.precompile(Tuple{typeof(gr_label_ticks),Subplot{GRBackend},Symbol,Tuple{Vector{Float64}, Vector{String}}})
+    Base.precompile(Tuple{typeof(gr_label_ticks),Subplot{GRBackend},Symbol,Tuple{Vector{Int64}, Vector{String}}})
+    Base.precompile(Tuple{typeof(gr_label_ticks_3d),Subplot{GRBackend},Symbol,Tuple{Vector{Float64}, Vector{String}}})
+    Base.precompile(Tuple{typeof(gr_polaraxes),Int64,Float64,Subplot{GRBackend}})
+    Base.precompile(Tuple{typeof(gr_set_gradient),PlotUtils.ContinuousColorGradient})
+    Base.precompile(Tuple{typeof(gr_text),Float64,Float64,String})
+    Base.precompile(Tuple{typeof(gr_update_viewport_legend!),Vector{Float64},Subplot{GRBackend},NamedTuple{(:w, :h, :dy, :leftw, :textw, :rightw, :xoffset, :yoffset, :width_factor), NTuple{9, Float64}}})
+    Base.precompile(Tuple{typeof(gr_update_viewport_legend!),Vector{Float64},Subplot{GRBackend},NamedTuple{(:w, :h, :dy, :leftw, :textw, :rightw, :xoffset, :yoffset, :width_factor), Tuple{Int64, Int64, Int64, Float64, Int64, Float64, Float64, Float64, Float64}}})
+    Base.precompile(Tuple{typeof(gr_viewport_from_bbox),Subplot{GRBackend},BoundingBox{Tuple{AbsoluteLength, AbsoluteLength}, Tuple{AbsoluteLength, AbsoluteLength}},AbsoluteLength,AbsoluteLength,Vector{Float64}})
+    Base.precompile(Tuple{typeof(heatmap_edges),Base.OneTo{Int64},Symbol})
+    Base.precompile(Tuple{typeof(heatmap_edges),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Symbol,StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Symbol,Tuple{Int64, Int64},Bool})
+    Base.precompile(Tuple{typeof(heatmap_edges),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},Symbol})
+    Base.precompile(Tuple{typeof(heatmap_edges),UnitRange{Int64},Symbol})
+    Base.precompile(Tuple{typeof(heatmap_edges),Vector{Float64},Symbol,UnitRange{Int64},Symbol,Tuple{Int64, Int64},Bool})
+    Base.precompile(Tuple{typeof(heatmap_edges),Vector{Float64},Symbol,Vector{Float64},Symbol,Tuple{Int64, Int64},Bool})
+    Base.precompile(Tuple{typeof(heatmap_edges),Vector{Float64},Symbol})
+    Base.precompile(Tuple{typeof(ignorenan_minimum),Vector{Int64}})
+    Base.precompile(Tuple{typeof(make_fillrange_side),UnitRange{Int64},LinRange{Float64}})
+    Base.precompile(Tuple{typeof(make_steps),UnitRange{Int64},Symbol,Bool})
+    Base.precompile(Tuple{typeof(optimal_ticks_and_labels),Nothing,Tuple{Float64, Float64},Symbol,Function})
+    Base.precompile(Tuple{typeof(optimal_ticks_and_labels),Nothing,Tuple{Float64, Float64},Symbol,Symbol})
+    Base.precompile(Tuple{typeof(optimal_ticks_and_labels),Nothing,Tuple{Int64, Float64},Symbol,Symbol})
+    Base.precompile(Tuple{typeof(optimal_ticks_and_labels),Nothing,Tuple{Int64, Int64},Symbol,Symbol})
+    Base.precompile(Tuple{typeof(optimal_ticks_and_labels),StepRange{Int64, Int64},Tuple{Int64, Int64},Symbol,Symbol})
+    Base.precompile(Tuple{typeof(optimal_ticks_and_labels),UnitRange{Int64},Tuple{Float64, Float64},Symbol,Symbol})
+    Base.precompile(Tuple{typeof(partialcircle),Float64,Float64,Int64})
+    Base.precompile(Tuple{typeof(partialcircle),Int64,Float64,Int64})
+    Base.precompile(Tuple{typeof(plot),Any,Any})
+    Base.precompile(Tuple{typeof(plot),Plot{GRBackend},Plot{GRBackend},Plot{GRBackend},Vararg{Plot{GRBackend}, N} where N})
+    Base.precompile(Tuple{typeof(plot),Plot{GRBackend},Plot{GRBackend}})
+    Base.precompile(Tuple{typeof(plot),Plot{PlotlyBackend},Plot{PlotlyBackend},Plot{PlotlyBackend},Vararg{Plot{PlotlyBackend}, N} where N})
+    Base.precompile(Tuple{typeof(plot),Plot{PlotlyBackend},Plot{PlotlyBackend}})
+    Base.precompile(Tuple{typeof(processGridArg!),Dict{Symbol, Any},Symbol,Symbol})
+    Base.precompile(Tuple{typeof(processLineArg),Dict{Symbol, Any},Int64})
+    Base.precompile(Tuple{typeof(processLineArg),Dict{Symbol, Any},Matrix{Symbol}})
+    Base.precompile(Tuple{typeof(processLineArg),Dict{Symbol, Any},Symbol})
+    Base.precompile(Tuple{typeof(processMarkerArg),Dict{Symbol, Any},Bool})
+    Base.precompile(Tuple{typeof(processMarkerArg),Dict{Symbol, Any},Matrix{Symbol}})
+    Base.precompile(Tuple{typeof(processMarkerArg),Dict{Symbol, Any},RGBA{Float64}})
+    Base.precompile(Tuple{typeof(processMarkerArg),Dict{Symbol, Any},Shape{Float64, Float64}})
+    Base.precompile(Tuple{typeof(processMarkerArg),Dict{Symbol, Any},Symbol})
+    Base.precompile(Tuple{typeof(process_annotation),Subplot{GRBackend},Int64,Float64,PlotText})
+    Base.precompile(Tuple{typeof(process_annotation),Subplot{GRBackend},Int64,Float64,Tuple{String, Int64, Symbol, Symbol}})
+    Base.precompile(Tuple{typeof(process_annotation),Subplot{GRBackend},Int64,Float64,Tuple{String, Symbol, Int64, String}})
+    Base.precompile(Tuple{typeof(process_annotation),Subplot{PlotlyBackend},Int64,Float64,PlotText})
+    Base.precompile(Tuple{typeof(process_annotation),Subplot{PlotlyBackend},Int64,Float64,Tuple{String, Int64, Symbol, Symbol}})
+    Base.precompile(Tuple{typeof(process_annotation),Subplot{PlotlyBackend},Int64,Float64,Tuple{String, Symbol, Int64, String}})
+    Base.precompile(Tuple{typeof(process_axis_arg!),Dict{Symbol, Any},StepRange{Int64, Int64},Symbol})
+    Base.precompile(Tuple{typeof(process_axis_arg!),Dict{Symbol, Any},Symbol,Symbol})
+    Base.precompile(Tuple{typeof(push!),Plot{GRBackend},Float64,Vector{Float64}})
+    Base.precompile(Tuple{typeof(quiver_using_arrows),DefaultsDict})
+    Base.precompile(Tuple{typeof(reset_axis_defaults_byletter!)})
+    Base.precompile(Tuple{typeof(resetfontsizes)})
+    Base.precompile(Tuple{typeof(scalefontsizes),Float64})
+    Base.precompile(Tuple{typeof(series_annotations),Vector{Any}})
+    Base.precompile(Tuple{typeof(slice_arg),Base.ReshapedArray{Int64, 2, UnitRange{Int64}, Tuple{}},Int64})
+    Base.precompile(Tuple{typeof(slice_arg),Matrix{AbsoluteLength},Int64})
+    Base.precompile(Tuple{typeof(slice_arg),Matrix{Bool},Int64})
+    Base.precompile(Tuple{typeof(slice_arg),Matrix{Int64},Int64})
+    Base.precompile(Tuple{typeof(slice_arg),Matrix{PlotUtils.ContinuousColorGradient},Int64})
+    Base.precompile(Tuple{typeof(slice_arg),Matrix{String},Int64})
+    Base.precompile(Tuple{typeof(slice_arg),Matrix{Symbol},Int64})
+    Base.precompile(Tuple{typeof(spy),Any})
+    Base.precompile(Tuple{typeof(straightline_data),Tuple{Float64, Float64},Tuple{Float64, Float64},Vector{Float64},Vector{Float64},Int64})
+    Base.precompile(Tuple{typeof(stroke),Int64,Vararg{Any, N} where N})
+    Base.precompile(Tuple{typeof(title!),AbstractString})
+    Base.precompile(Tuple{typeof(unzip),Vector{GeometryBasics.Point2{Float64}}})
+    Base.precompile(Tuple{typeof(unzip),Vector{Tuple{Float64, Float64, Float64}}})
+    Base.precompile(Tuple{typeof(unzip),Vector{Tuple{Float64, Float64}}})
+    Base.precompile(Tuple{typeof(unzip),Vector{Tuple{Int64, Int64}}})
+    Base.precompile(Tuple{typeof(unzip),Vector{Tuple{Vector{Float64}, Vector{Float64}}}})
+    Base.precompile(Tuple{typeof(vline!),Any})
+    Base.precompile(Tuple{typeof(xgrid!),Plot{GRBackend},Symbol,Vararg{Any, N} where N})
+    Base.precompile(Tuple{typeof(xlims),Subplot{PlotlyBackend}})
+    isdefined(Plots, Symbol("#add_major_or_minor_segments#120")) && Base.precompile(Tuple{getfield(Plots, Symbol("#add_major_or_minor_segments#120")),Vector{Float64},Bool,Segments{Tuple{Float64, Float64}},Float64,Bool})
+    isdefined(Plots, Symbol("#add_major_or_minor_segments#121")) && Base.precompile(Tuple{getfield(Plots, Symbol("#add_major_or_minor_segments#121")),Vector{Float64},Bool,Segments{Tuple{Float64, Float64, Float64}},Float64,Bool})
+    let fbody = try __lookup_kwbody__(which(font, (Font,Vararg{Any, N} where N,))) catch missing end
+        if !ismissing(fbody)
+            precompile(fbody, (Base.Iterators.Pairs{Union{}, Union{}, Tuple{}, NamedTuple{(), Tuple{}}},typeof(font),Font,Vararg{Any, N} where N,))
+        end
+    end
+    let fbody = try __lookup_kwbody__(which(gr_polyline, (Vector{Float64},Vector{Float64},typeof(GR.fillarea),))) catch missing end
+        if !ismissing(fbody)
+            precompile(fbody, (Symbol,Symbol,typeof(gr_polyline),Vector{Float64},Vector{Float64},typeof(GR.fillarea),))
+        end
+    end
+    let fbody = try __lookup_kwbody__(which(plot!, (Any,))) catch missing end
+        if !ismissing(fbody)
+            precompile(fbody, (Any,typeof(plot!),Any,))
+        end
+    end
+    let fbody = try __lookup_kwbody__(which(plot!, (Any,Vararg{Any, N} where N,))) catch missing end
+        if !ismissing(fbody)
+            precompile(fbody, (Any,typeof(plot!),Any,Vararg{Any, N} where N,))
+        end
+    end
+    let fbody = try __lookup_kwbody__(which(plot, (Any,))) catch missing end
+        if !ismissing(fbody)
+            precompile(fbody, (Any,typeof(plot),Any,))
+        end
+    end
+    let fbody = try __lookup_kwbody__(which(plot, (Any,Vararg{Any, N} where N,))) catch missing end
+        if !ismissing(fbody)
+            precompile(fbody, (Any,typeof(plot),Any,Vararg{Any, N} where N,))
+        end
+    end
+    let fbody = try __lookup_kwbody__(which(title!, (AbstractString,))) catch missing end
+        if !ismissing(fbody)
+            precompile(fbody, (Any,typeof(title!),AbstractString,))
+        end
+    end
+end

deps/SnoopCompile/precompile_script.jl

@@ -0,0 +1,4 @@
+using Plots
+
+Plots.test_examples(:gr, skip = Plots._backend_skips[:gr])
+Plots.test_examples(:plotly, skip = Plots._backend_skips[:plotly], disp = false)

deps/SnoopCompile/snoop_bench.jl

@@ -0,0 +1,8 @@
+using CompileBot
+
+snoop_bench(
+    BotConfig(
+        "Plots",
+    ),
+    joinpath(@__DIR__, "precompile_script.jl"),
+)

deps/SnoopCompile/snoop_bot.jl

@@ -0,0 +1,8 @@
+using CompileBot
+
+snoop_bot(
+    BotConfig(
+        "Plots",
+    ),
+    joinpath(@__DIR__, "precompile_script.jl"),
+)

deps/build.jl

@@ -1,18 +0,0 @@
-
-#TODO: download https://cdn.plot.ly/plotly-latest.min.js to deps/ if it doesn't exist
-file_path = ""
-if get(ENV, "PLOTS_HOST_DEPENDENCY_LOCAL", "false") == "true"
-    global file_path
-    local_fn = joinpath(dirname(@__FILE__), "plotly-latest.min.js")
-    if !isfile(local_fn)
-        @info("Cannot find deps/plotly-latest.min.js... downloading latest version.")
-        download("https://cdn.plot.ly/plotly-latest.min.js", local_fn)
-        isfile(local_fn) && (file_path = local_fn)
-    else
-        file_path = local_fn
-    end
-end
-
-open("deps.jl", "w") do io
-    println(io, "const plotly_local_file_path = $(repr(file_path))")
-end

pushtomaster.sh

@@ -1,4 +0,0 @@
-git checkout master
-git merge --ff-only dev
-git push origin master
-git checkout dev

src/Plots.jl

@@ -1,37 +1,42 @@
 module Plots
 
-_current_plots_version = v"0.26.1"
+if isdefined(Base, :Experimental) && isdefined(Base.Experimental, Symbol("@optlevel"))
+    @eval Base.Experimental.@optlevel 1
+end
+
+const _current_plots_version = VersionNumber(
+    split(
+        first(
+            filter(
+                line -> occursin("version", line),
+                readlines(normpath(@__DIR__, "..", "Project.toml")),
+            ),
+        ),
+        "\"",
+    )[2],
+)
 
 using Reexport
 
-import GeometryTypes
+import GeometryBasics
 using Dates, Printf, Statistics, Base64, LinearAlgebra, Random
-import SparseArrays: findnz
+using SparseArrays
 
 using FFMPEG
 
 @reexport using RecipesBase
-import RecipesBase: plot, plot!, animate
+import RecipesBase: plot, plot!, animate, is_explicit
 using Base.Meta
 @reexport using PlotUtils
 @reexport using PlotThemes
 import Showoff
 import StatsBase
+import Downloads
 import JSON
 
 using Requires
 
-if isfile(joinpath(@__DIR__, "..", "deps", "deps.jl"))
-    include(joinpath(@__DIR__, "..", "deps", "deps.jl"))
-else
-    # This is a bit dirty, but I don't really see why anyone should be forced
-    # to build Plots, while it will just include exactly the below line
-    # as long as `ENV["PLOTS_HOST_DEPENDENCY_LOCAL"] = "true"` is not set.
-    # If the above env is set + `plotly_local_file_path == ""``,
-    # it will warn in the __init__ function to run build
-    const plotly_local_file_path = ""
-end
-
+#! format: off
 export
     grid,
     bbox,
@@ -104,6 +109,7 @@ export
     gif,
     mov,
     mp4,
+    webm,
     animate,
     @animate,
     @gif,
@@ -119,8 +125,11 @@ export
     center,
     BezierCurve,
 
-    plotattr
-
+    plotattr,
+    scalefontsize,
+    scalefontsizes,
+    resetfontsizes
+#! format: on
 # ---------------------------------------------------------
 
 import NaNMath # define functions that ignores NaNs. To overcome the destructive effects of https://github.com/JuliaLang/julia/pull/12563
@@ -139,7 +148,6 @@ ignorenan_extrema(x) = Base.extrema(x)
 # This makes it impossible to create row vectors of String and Symbol with the transpose operator.
 # This solves this issue, internally in Plots at least.
 
-
 # commented out on the insistence of the METADATA maintainers
 
 #Base.transpose(x::Symbol) = x
@@ -150,12 +158,19 @@ ignorenan_extrema(x) = Base.extrema(x)
 import Measures
 module PlotMeasures
 import Measures
-import Measures: Length, AbsoluteLength, Measure, BoundingBox, mm, cm, inch, pt, width, height, w, h
+import Measures:
+    Length, AbsoluteLength, Measure, BoundingBox, mm, cm, inch, pt, width, height, w, h
 const BBox = Measures.Absolute2DBox
 
 # allow pixels and percentages
 const px = AbsoluteLength(0.254)
-const pct = Length{:pct, Float64}(1.0)
+const pct = Length{:pct,Float64}(1.0)
+
+Base.:*(m1::AbsoluteLength, m2::Length{:pct}) = AbsoluteLength(m1.value * m2.value)
+Base.:*(m1::Length{:pct}, m2::AbsoluteLength) = AbsoluteLength(m2.value * m1.value)
+Base.:/(m1::AbsoluteLength, m2::Length{:pct}) = AbsoluteLength(m1.value / m2.value)
+Base.:/(m1::Length{:pct}, m2::AbsoluteLength) = AbsoluteLength(m2.value / m1.value)
+
 export BBox, BoundingBox, mm, cm, inch, px, pct, pt, w, h
 end
 
@@ -163,15 +178,40 @@ using .PlotMeasures
 import .PlotMeasures: Length, AbsoluteLength, Measure, width, height
 # ---------------------------------------------------------
 
+import RecipesPipeline
+import RecipesPipeline:
+    SliceIt,
+    DefaultsDict,
+    Formatted,
+    AbstractSurface,
+    Surface,
+    Volume,
+    is3d,
+    is_surface,
+    needs_3d_axes,
+    group_as_matrix, # for StatsPlots
+    reset_kw!,
+    pop_kw!,
+    scale_func,
+    inverse_scale_func,
+    unzip,
+    dateformatter,
+    datetimeformatter,
+    timeformatter
+
+# Use fixed version of Plotly instead of the latest one for stable dependency
+# Ref: https://github.com/JuliaPlots/Plots.jl/pull/2779
+const _plotly_min_js_filename = "plotly-1.57.1.min.js"
+
 include("types.jl")
 include("utils.jl")
-include("components.jl")
+include("colorbars.jl")
 include("axes.jl")
 include("args.jl")
+include("components.jl")
 include("themes.jl")
 include("plot.jl")
 include("pipeline.jl")
-include("series.jl")
 include("layouts.jl")
 include("subplots.jl")
 include("recipes.jl")
@@ -184,6 +224,7 @@ include("output.jl")
 include("ijulia.jl")
 include("fileio.jl")
 include("init.jl")
+include("legend.jl")
 
 include("backends/plotly.jl")
 include("backends/gr.jl")
@@ -191,35 +232,35 @@ include("backends/web.jl")
 
 include("shorthands.jl")
 
-let PlotOrSubplot = Union{Plot, Subplot}
-    global title!(plt::PlotOrSubplot, s::AbstractString; kw...)                  = plot!(plt; title = s, kw...)
-    global xlabel!(plt::PlotOrSubplot, s::AbstractString; kw...)                 = plot!(plt; xlabel = s, kw...)
-    global ylabel!(plt::PlotOrSubplot, s::AbstractString; kw...)                 = plot!(plt; ylabel = s, kw...)
-    global xlims!(plt::PlotOrSubplot, lims::Tuple{T,S}; kw...) where {T<:Real,S<:Real}  = plot!(plt; xlims = lims, kw...)
-    global ylims!(plt::PlotOrSubplot, lims::Tuple{T,S}; kw...) where {T<:Real,S<:Real}  = plot!(plt; ylims = lims, kw...)
-    global zlims!(plt::PlotOrSubplot, lims::Tuple{T,S}; kw...) where {T<:Real,S<:Real}  = plot!(plt; zlims = lims, kw...)
-    global xlims!(plt::PlotOrSubplot, xmin::Real, xmax::Real; kw...)             = plot!(plt; xlims = (xmin,xmax), kw...)
-    global ylims!(plt::PlotOrSubplot, ymin::Real, ymax::Real; kw...)             = plot!(plt; ylims = (ymin,ymax), kw...)
-    global zlims!(plt::PlotOrSubplot, zmin::Real, zmax::Real; kw...)             = plot!(plt; zlims = (zmin,zmax), kw...)
-    global xticks!(plt::PlotOrSubplot, ticks::TicksArgs; kw...) where {T<:Real}           = plot!(plt; xticks = ticks, kw...)
-    global yticks!(plt::PlotOrSubplot, ticks::TicksArgs; kw...) where {T<:Real}           = plot!(plt; yticks = ticks, kw...)
-    global xticks!(plt::PlotOrSubplot,
-   ticks::AVec{T}, labels::AVec{S}; kw...) where {T<:Real,S<:AbstractString}     = plot!(plt; xticks = (ticks,labels), kw...)
-    global yticks!(plt::PlotOrSubplot,
-   ticks::AVec{T}, labels::AVec{S}; kw...) where {T<:Real,S<:AbstractString}     = plot!(plt; yticks = (ticks,labels), kw...)
-    global xgrid!(plt::PlotOrSubplot, args...; kw...)                  = plot!(plt; xgrid = args, kw...)
-    global ygrid!(plt::PlotOrSubplot, args...; kw...)                  = plot!(plt; ygrid = args, kw...)
-    global annotate!(plt::PlotOrSubplot, anns...; kw...)                         = plot!(plt; annotation = anns, kw...)
-    global annotate!(plt::PlotOrSubplot, anns::AVec{T}; kw...) where {T<:Tuple}         = plot!(plt; annotation = anns, kw...)
-    global xflip!(plt::PlotOrSubplot, flip::Bool = true; kw...)                  = plot!(plt; xflip = flip, kw...)
-    global yflip!(plt::PlotOrSubplot, flip::Bool = true; kw...)                  = plot!(plt; yflip = flip, kw...)
-    global xaxis!(plt::PlotOrSubplot, args...; kw...)                            = plot!(plt; xaxis = args, kw...)
-    global yaxis!(plt::PlotOrSubplot, args...; kw...)                            = plot!(plt; yaxis = args, kw...)
+let PlotOrSubplot = Union{Plot,Subplot}
+    global title!(plt::PlotOrSubplot, s::AbstractString; kw...)                                                  = plot!(plt; title = s, kw...)
+    global xlabel!(plt::PlotOrSubplot, s::AbstractString; kw...)                                                 = plot!(plt; xlabel = s, kw...)
+    global ylabel!(plt::PlotOrSubplot, s::AbstractString; kw...)                                                 = plot!(plt; ylabel = s, kw...)
+    global xlims!(plt::PlotOrSubplot, lims::Tuple{T,S}; kw...) where {T<:Real,S<:Real}                           = plot!(plt; xlims = lims, kw...)
+    global ylims!(plt::PlotOrSubplot, lims::Tuple{T,S}; kw...) where {T<:Real,S<:Real}                           = plot!(plt; ylims = lims, kw...)
+    global zlims!(plt::PlotOrSubplot, lims::Tuple{T,S}; kw...) where {T<:Real,S<:Real}                           = plot!(plt; zlims = lims, kw...)
+    global xlims!(plt::PlotOrSubplot, xmin::Real, xmax::Real; kw...)                                             = plot!(plt; xlims = (xmin, xmax), kw...)
+    global ylims!(plt::PlotOrSubplot, ymin::Real, ymax::Real; kw...)                                             = plot!(plt; ylims = (ymin, ymax), kw...)
+    global zlims!(plt::PlotOrSubplot, zmin::Real, zmax::Real; kw...)                                             = plot!(plt; zlims = (zmin, zmax), kw...)
+    global xticks!(plt::PlotOrSubplot, ticks::TicksArgs; kw...)                                                  = plot!(plt; xticks = ticks, kw...)
+    global yticks!(plt::PlotOrSubplot, ticks::TicksArgs; kw...)                                                  = plot!(plt; yticks = ticks, kw...)
+    global xticks!(plt::PlotOrSubplot, ticks::AVec{T}, labels::AVec{S}; kw...) where {T<:Real,S<:AbstractString} = plot!(plt; xticks = (ticks, labels), kw...)
+    global yticks!(plt::PlotOrSubplot, ticks::AVec{T}, labels::AVec{S}; kw...) where {T<:Real,S<:AbstractString} = plot!(plt; yticks = (ticks, labels), kw...)
+    global xgrid!(plt::PlotOrSubplot, args...; kw...)                                                            = plot!(plt; xgrid = args, kw...)
+    global ygrid!(plt::PlotOrSubplot, args...; kw...)                                                            = plot!(plt; ygrid = args, kw...)
+    global annotate!(plt::PlotOrSubplot, anns...; kw...)                                                         = plot!(plt; annotation = anns, kw...)
+    global annotate!(plt::PlotOrSubplot, anns::AVec{T}; kw...) where {T<:Tuple}                                  = plot!(plt; annotation = anns, kw...)
+    global xflip!(plt::PlotOrSubplot, flip::Bool = true; kw...)                                                  = plot!(plt; xflip = flip, kw...)
+    global yflip!(plt::PlotOrSubplot, flip::Bool = true; kw...)                                                  = plot!(plt; yflip = flip, kw...)
+    global xaxis!(plt::PlotOrSubplot, args...; kw...)                                                            = plot!(plt; xaxis = args, kw...)
+    global yaxis!(plt::PlotOrSubplot, args...; kw...)                                                            = plot!(plt; yaxis = args, kw...)
 end
 
-
 # ---------------------------------------------------------
 
 const CURRENT_BACKEND = CurrentBackend(:none)
+const PLOTS_SEED = 1234
+
+include("precompile_includer.jl")
 
 end # module

src/animation.jl

@@ -14,23 +14,24 @@ end
 
 Add a plot (the current plot if not specified) to an existing animation
 """
-function frame(anim::Animation, plt::P=current()) where P<:AbstractPlot
+function frame(anim::Animation, plt::P = current()) where {P<:AbstractPlot}
     i = length(anim.frames) + 1
     filename = @sprintf("%06d.png", i)
     png(plt, joinpath(anim.dir, filename))
     push!(anim.frames, filename)
 end
 
-giffn() = (isijulia() ? "tmp.gif" : tempname()*".gif")
-movfn() = (isijulia() ? "tmp.mov" : tempname()*".mov")
-mp4fn() = (isijulia() ? "tmp.mp4" : tempname()*".mp4")
+giffn() = (isijulia() ? "tmp.gif" : tempname() * ".gif")
+movfn() = (isijulia() ? "tmp.mov" : tempname() * ".mov")
+mp4fn() = (isijulia() ? "tmp.mp4" : tempname() * ".mp4")
+webmfn() = (isijulia() ? "tmp.webm" : tempname() * ".webm")
 
 mutable struct FrameIterator
     itr
     every::Int
     kw
 end
-FrameIterator(itr; every=1, kw...) = FrameIterator(itr, every, kw)
+FrameIterator(itr; every = 1, kw...) = FrameIterator(itr, every, kw)
 
 """
 Animate from an iterator which returns the plot args each iteration.
@@ -47,8 +48,8 @@ function animate(fitr::FrameIterator, fn = giffn(); kw...)
 end
 
 # most things will implement this
-function animate(obj, fn = giffn(); every=1, fps=20, loop=0, kw...)
-    animate(FrameIterator(obj, every, kw), fn; fps=fps, loop=loop)
+function animate(obj, fn = giffn(); every = 1, fps = 20, loop = 0, kw...)
+    animate(FrameIterator(obj, every, kw), fn; fps = fps, loop = loop)
 end
 
 # -----------------------------------------------
@@ -63,112 +64,140 @@ file_extension(fn) = Base.Filesystem.splitext(fn)[2][2:end]
 gif(anim::Animation, fn = giffn(); kw...) = buildanimation(anim, fn; kw...)
 mov(anim::Animation, fn = movfn(); kw...) = buildanimation(anim, fn, false; kw...)
 mp4(anim::Animation, fn = mp4fn(); kw...) = buildanimation(anim, fn, false; kw...)
+webm(anim::Animation, fn = webmfn(); kw...) = buildanimation(anim, fn, false; kw...)
 
+ffmpeg_framerate(fps) = "$fps"
+ffmpeg_framerate(fps::Rational) = "$(fps.num)/$(fps.den)"
 
-function buildanimation(anim::Animation, fn::AbstractString,
-                        is_animated_gif::Bool=true;
-                        fps::Integer = 20, loop::Integer = 0,
-                        variable_palette::Bool=false,
-                        show_msg::Bool=true)
+function buildanimation(
+    anim::Animation,
+    fn::AbstractString,
+    is_animated_gif::Bool = true;
+    fps::Real = 20,
+    loop::Integer = 0,
+    variable_palette::Bool = false,
+    verbose = false,
+    show_msg::Bool = true,
+)
     if length(anim.frames) == 0
         throw(ArgumentError("Cannot build empty animations"))
     end
 
     fn = abspath(expanduser(fn))
     animdir = anim.dir
+    framerate = ffmpeg_framerate(fps)
+    verbose_level = (verbose isa Int ? verbose : verbose ? 32 : 16) # "error"
 
     if is_animated_gif
         if variable_palette
             # generate a colorpalette for each frame for highest quality, but larger filesize
-            palette="palettegen=stats_mode=single[pal],[0:v][pal]paletteuse=new=1"
-            ffmpeg_exe(`-v 0 -framerate $fps -loop $loop -i $(animdir)/%06d.png -lavfi "$palette" -y $fn`)
+            palette = "palettegen=stats_mode=single[pal],[0:v][pal]paletteuse=new=1"
+            ffmpeg_exe(
+                `-v $verbose_level -framerate $framerate -i $(animdir)/%06d.png -lavfi "$palette" -loop $loop -y $fn`,
+            )
         else
             # generate a colorpalette first so ffmpeg does not have to guess it
-            ffmpeg_exe(`-v 0 -i $(animdir)/%06d.png -vf "palettegen=stats_mode=diff" -y "$(animdir)/palette.bmp"`)
+            ffmpeg_exe(
+                `-v $verbose_level -i $(animdir)/%06d.png -vf "palettegen=stats_mode=diff" -y "$(animdir)/palette.bmp"`,
+            )
             # then apply the palette to get better results
-            ffmpeg_exe(` -v 0 -framerate $fps -loop $loop -i $(animdir)/%06d.png -i "$(animdir)/palette.bmp" -lavfi "paletteuse=dither=sierra2_4a" -y $fn`)
+            ffmpeg_exe(
+                `-v $verbose_level -framerate $framerate -i $(animdir)/%06d.png -i "$(animdir)/palette.bmp" -lavfi "paletteuse=dither=sierra2_4a" -loop $loop -y $fn`,
+            )
         end
     else
-        ffmpeg_exe(`-v 0 -framerate $fps -loop $loop -i $(animdir)/%06d.png -pix_fmt yuv420p -y $fn`)
+        ffmpeg_exe(
+            `-v $verbose_level -framerate $framerate -i $(animdir)/%06d.png -vf format=yuv420p -loop $loop -y $fn`,
+        )
     end
 
     show_msg && @info("Saved animation to ", fn)
     AnimatedGif(fn)
 end
 
-
-
 # write out html to view the gif
 function Base.show(io::IO, ::MIME"text/html", agif::AnimatedGif)
     ext = file_extension(agif.filename)
-    write(io, if ext == "gif"
-        "<img src=\"$(relpath(agif.filename))\" />"
-    elseif ext in ("mov", "mp4")
-        "<video controls><source src=\"$(relpath(agif.filename)) type=\"video/$ext\"></video>"
+    if ext == "gif"
+        html =
+            "<img src=\"data:image/gif;base64," *
+            base64encode(read(agif.filename)) *
+            "\" />"
+    elseif ext in ("mov", "mp4", "webm")
+        mimetype = ext == "mov" ? "video/quicktime" : "video/$ext"
+        html =
+            "<video controls><source src=\"data:$mimetype;base64," *
+            base64encode(read(agif.filename)) *
+            "\" type = \"$mimetype\"></video>"
     else
         error("Cannot show animation with extension $ext: $agif")
-    end)
+    end
+
+    write(io, html)
     return nothing
 end
 
-
 # Only gifs can be shown via image/gif
 Base.showable(::MIME"image/gif", agif::AnimatedGif) = file_extension(agif.filename) == "gif"
 
 function Base.show(io::IO, ::MIME"image/gif", agif::AnimatedGif)
-    open(fio-> write(io, fio), agif.filename)
+    open(fio -> write(io, fio), agif.filename)
 end
 
-
 # -----------------------------------------------
 
 function _animate(forloop::Expr, args...; callgif = false)
-  if forloop.head != :for
-    error("@animate macro expects a for-block. got: $(forloop.head)")
-  end
+    if forloop.head ∉ (:for, :while)
+        error("@animate macro expects a for- or while-block. got: $(forloop.head)")
+    end
 
-  # add the call to frame to the end of each iteration
-  animsym = gensym("anim")
-  countersym = gensym("counter")
-  freqassert = :()
-  block = forloop.args[2]
+    # add the call to frame to the end of each iteration
+    animsym = gensym("anim")
+    countersym = gensym("counter")
+    freqassert = :()
+    block = forloop.args[2]
 
-  # create filter
-  n = length(args)
-  filterexpr = if n == 0
-    # no filter... every iteration gets a frame
-    true
+    # create filter
+    n = length(args)
+    filterexpr = if n == 0
+        # no filter... every iteration gets a frame
+        true
 
-  elseif args[1] == :every
-    # filter every `freq` frames (starting with the first frame)
-    @assert n == 2
-    freq = args[2]
-    freqassert = :(@assert isa($freq, Integer) && $freq > 0)
-    :(mod1($countersym, $freq) == 1)
+    elseif args[1] == :every
+        # filter every `freq` frames (starting with the first frame)
+        @assert n == 2
+        freq = args[2]
+        freqassert = :(@assert isa($freq, Integer) && $freq > 0)
+        :(mod1($countersym, $freq) == 1)
 
-  elseif args[1] == :when
-    # filter on custom expression
-    @assert n == 2
-    args[2]
+    elseif args[1] == :when
+        # filter on custom expression
+        @assert n == 2
+        args[2]
 
-  else
-    error("Unsupported animate filter: $args")
-  end
+    else
+        error("Unsupported animate filter: $args")
+    end
 
-  push!(block.args, :(if $filterexpr; frame($animsym); end))
-  push!(block.args, :(global $countersym += 1))
+    push!(block.args, :(
+        if $filterexpr
+            Plots.frame($animsym)
+        end
+    ))
+    push!(block.args, :($countersym += 1))
 
-  # add a final call to `gif(anim)`?
-  retval = callgif ? :(gif($animsym)) : animsym
+    # add a final call to `gif(anim)`?
+    retval = callgif ? :(Plots.gif($animsym)) : animsym
 
-  # full expression:
-  esc(quote
-    $freqassert             # if filtering, check frequency is an Integer > 0
-    $animsym = Animation()  # init animation object
-    global $countersym = 1         # init iteration counter
-    $forloop                # for loop, saving a frame after each iteration
-    $retval                 # return the animation object, or the gif
-  end)
+    # full expression:
+    esc(quote
+        $freqassert                     # if filtering, check frequency is an Integer > 0
+        $animsym = Plots.Animation()    # init animation object
+        let $countersym = 1             # init iteration counter
+            $forloop                      # for loop, saving a frame after each iteration
+        end
+        $retval                         # return the animation object, or the gif
+    end)
 end
 
 """

src/arg_desc.jl

@@ -1,155 +1,188 @@
 
 const _arg_desc = KW(
 
-# series args
-:label 			=> "String type. The label for a series, which appears in a legend.  If empty, no legend entry is added.",
-:seriescolor 		=> "Color Type. The base color for this series.  `:auto` (the default) will select a color from the subplot's `color_palette`, based on the order it was added to the subplot",
-:seriesalpha 		=> "Number in [0,1]. The alpha/opacity override for the series.  `nothing` (the default) means it will take the alpha value of the color.",
-:seriestype 		=> "Symbol. This is the identifier of the type of visualization for this series. Choose from $(_allTypes) or any series recipes which are defined.",
-:linestyle 			=> "Symbol. Style of the line (for path and bar stroke).  Choose from $(_allStyles)",
-:linewidth         	=> "Number. Width of the line (in pixels)",
-:linecolor         	=> "Color Type. Color of the line (for path and bar stroke).  `:match` will take the value from `:seriescolor`, (though histogram/bar types use `:black` as a default).",
-:linealpha         	=> "Number in [0,1]. The alpha/opacity override for the line.  `nothing` (the default) means it will take the alpha value of linecolor.",
-:fillrange         	=> "Number or AbstractVector.  Fills area between fillrange and y for line-types, sets the base for bar/stick types, and similar for other types.",
-:fillcolor         	=> "Color Type. Color of the filled area of path or bar types.  `:match` will take the value from `:seriescolor`.",
-:fillalpha         	=> "Number in [0,1]. The alpha/opacity override for the fill area.  `nothing` (the default) means it will take the alpha value of fillcolor.",
-:markershape       	=> "Symbol, Shape, or AbstractVector. Choose from $(_allMarkers).",
-:markercolor       	=> "Color Type. Color of the interior of the marker or shape. `:match` will take the value from `:seriescolor`.",
-:markeralpha       	=> "Number in [0,1]. The alpha/opacity override for the marker interior.  `nothing` (the default) means it will take the alpha value of markercolor.",
-:markersize        	=> "Number or AbstractVector. Size (radius pixels) of the markers.",
-:markerstrokestyle 	=> "Symbol. Style of the marker stroke (border).  Choose from $(_allStyles)",
-:markerstrokewidth 	=> "Number. Width of the marker stroke (border. in pixels)",
-:markerstrokecolor 	=> "Color Type. Color of the marker stroke (border).  `:match` will take the value from `:foreground_color_subplot`.",
-:markerstrokealpha 	=> "Number in [0,1]. The alpha/opacity override for the marker stroke (border).  `nothing` (the default) means it will take the alpha value of markerstrokecolor.",
-:bins              	=> "Integer, NTuple{2,Integer}, AbstractVector or Symbol. Default is :auto (the Freedman-Diaconis rule). For histogram-types, defines the approximate number of bins to aim for, or the auto-binning algorithm to use (:sturges, :sqrt, :rice, :scott or :fd). For fine-grained control pass a Vector of break values, e.g. `range(minimum(x), stop = maximum(x), length = 25)`",
-:smooth            	=> "Bool.  Add a regression line?",
-:group             	=> "AbstractVector. Data is split into a separate series, one for each unique value in `group`.",
-:x                 	=> "Various. Input data. First Dimension",
-:y                 	=> "Various. Input data. Second Dimension",
-:z                 	=> "Various. Input data. Third Dimension. May be wrapped by a `Surface` for surface and heatmap types.",
-:marker_z          	=> "AbstractVector, Function `f(x,y,z) -> z_value`, or Function `f(x,y) -> z_value`, or nothing. z-values for each series data point, which correspond to the color to be used from a markercolor gradient.",
-:line_z          	=> "AbstractVector, Function `f(x,y,z) -> z_value`, or Function `f(x,y) -> z_value`, or nothing. z-values for each series line segment, which correspond to the color to be used from a linecolor gradient.  Note that for N points, only the first N-1 values are used (one per line-segment).",
-:fill_z                 => "Matrix{Float64} of the same size as z matrix, which specifies the color of the 3D surface; the default value is `nothing`.",
-:levels            	=> "Integer, NTuple{2,Integer}, or AbstractVector. Levels or number of levels (or x-levels/y-levels) for a contour type.",
-:orientation       	=> "Symbol.  Horizontal or vertical orientation for bar types.  Values `:h`, `:hor`, `:horizontal` correspond to horizontal (sideways, anchored to y-axis), and `:v`, `:vert`, and `:vertical` correspond to vertical (the default).",
-:bar_position      	=> "Symbol.  Choose from `:overlay` (default), `:stack`.  (warning: May not be implemented fully)",
-:bar_width              => "nothing or Number. Width of bars in data coordinates. When nothing, chooses based on x (or y when `orientation = :h`).",
-:bar_edges              => "Bool.  Align bars to edges (true), or centers (the default)?",
-:xerror                 => "AbstractVector or 2-Tuple of Vectors. x (horizontal) error relative to x-value.  If 2-tuple of vectors, the first vector corresponds to the left error (and the second to the right)",
-:yerror            	=> "AbstractVector or 2-Tuple of Vectors. y (vertical) error relative to y-value.  If 2-tuple of vectors, the first vector corresponds to the bottom error (and the second to the top)",
-:ribbon            	=> "Number or AbstractVector.  Creates a fillrange around the data points.",
-:quiver            	=> "AbstractVector or 2-Tuple of vectors.  The directional vectors U,V which specify velocity/gradient vectors for a quiver plot.",
-:arrow             	=> "nothing (no arrows), Bool (if true, default arrows), Arrow object, or arg(s) that could be style or head length/widths.  Defines arrowheads that should be displayed at the end of path line segments (just before a NaN and the last non-NaN point).  Used in quiverplot, streamplot, or similar.",
-:normalize         	=> "Bool or Symbol. Histogram normalization mode. Possible values are: false/:none (no normalization, default), true/:pdf (normalize to a discrete Probability Density Function, where the total area of the bins is 1), :probability (bin heights sum to 1) and :density (the area of each bin, rather than the height, is equal to the counts - useful for uneven bin sizes).",
-:weights           	=> "AbstractVector. Used in histogram types for weighted counts.",
-:contours          	=> "Bool. Add contours to the side-grids of 3D plots?  Used in surface/wireframe.",
-:contour_labels         => "Bool. Show labels at the contour lines?",
-:match_dimensions  	=> "Bool. For heatmap types... should the first dimension of a matrix (rows) correspond to the first dimension of the plot (x-axis)?  The default is false, which matches the behavior of Matplotlib, Plotly, and others.  Note: when passing a function for z, the function should still map `(x,y) -> z`.",
-:subplot           	=> "Integer (subplot index) or Subplot object.  The subplot that this series belongs to.",
-:series_annotations     => "AbstractVector of String or PlotText.  These are annotations which are mapped to data points/positions.",
-:primary                => "Bool.  Does this count as a 'real series'?  For example, you could have a path (primary), and a scatter (secondary) as 2 separate series, maybe with different data (see sticks recipe for an example).  The secondary series will get the same color, etc as the primary.",
-:hover 	        	=> "nothing or vector of strings. Text to display when hovering over each data point.",
-:colorbar_entry   => "Bool.  Include this series in the color bar?  Set to `false` to exclude.",
-  
-# plot args
-:plot_title               => "String. Title for the whole plot (not the subplots) (Note: Not currently implemented)",
-:background_color         => "Color Type.  Base color for all backgrounds.",
-:background_color_outside => "Color Type or `:match` (matches `:background_color`).  Color outside the plot area(s)",
-:foreground_color         => "Color Type.  Base color for all foregrounds.",
-:size                     => "NTuple{2,Int}. (width_px, height_px) of the whole Plot",
-:pos                      => "NTuple{2,Int}. (left_px, top_px) position of the GUI window (note: currently unimplemented)",
-:window_title             => "String. Title of the window.",
-:show                     => "Bool.  Should this command open/refresh a GUI/display?  This allows displaying in scripts or functions without explicitly calling `display`",
-:layout                   => "Integer (number of subplots), NTuple{2,Integer} (grid dimensions), AbstractLayout (for example `grid(2,2)`), or the return from the `@layout` macro.  This builds the layout of subplots.",
-:link                     => "Symbol.  How/whether to link axis limits between subplots. Values: `:none`, `:x` (x axes are linked by columns), `:y` (y axes are linked by rows), `:both` (x and y are linked), `:all` (every subplot is linked together regardless of layout position).",
-:overwrite_figure         => "Bool.  Should we reuse the same GUI window/figure when plotting (true) or open a new one (false).",
-:html_output_format       => "Symbol.  When writing html output, what is the format?  `:png` and `:svg` are currently supported.",
-:tex_output_standalone    => "Bool. When writing tex output, should the source include a preamble for a standalone document class.",
-:inset_subplots           => "nothing or vector of 2-tuple (parent,bbox).  optionally pass a vector of (parent,bbox) tuples which are the parent layout and the relative bounding box of inset subplots",
-:dpi 			  => "Number.  Dots Per Inch of output figures",
-:thickness_scaling        => "Number. Scale for the thickness of all line elements like lines, borders, axes, grid lines, ... defaults to 1.",
-:display_type             => "Symbol (`:auto`, `:gui`, or `:inline`).  When supported, `display` will either open a GUI window or plot inline.",
-:extra_kwargs 	          => "KW (Dict{Symbol,Any}).  Pass a map of extra keyword args which may be specific to a backend.",
-:fontfamily               => "String or Symbol.  Default font family for title, legend entries, tick labels and guides",
+    # series args
+    :label              => "String type. The label for a series, which appears in a legend.  If empty, no legend entry is added.",
+    :seriescolor        => "Color Type. The base color for this series.  `:auto` (the default) will select a color from the subplot's `color_palette`, based on the order it was added to the subplot",
+    :seriesalpha        => "Number in [0,1]. The alpha/opacity override for the series.  `nothing` (the default) means it will take the alpha value of the color.",
+    :seriestype         => "Symbol. This is the identifier of the type of visualization for this series. Choose from $(_allTypes) or any series recipes which are defined.",
+    :linestyle          => "Symbol. Style of the line (for path and bar stroke).  Choose from $(_allStyles)",
+    :linewidth          => "Number. Width of the line (in pixels)",
+    :linecolor          => "Color Type. Color of the line (for path and bar stroke).  `:match` will take the value from `:seriescolor`, (though histogram/bar types use `:black` as a default).",
+    :linealpha          => "Number in [0,1]. The alpha/opacity override for the line.  `nothing` (the default) means it will take the alpha value of linecolor.",
+    :fillrange          => "Number or AbstractVector.  Fills area between fillrange and y for line-types, sets the base for bar/stick types, and similar for other types.",
+    :fillcolor          => "Color Type. Color of the filled area of path or bar types.  `:match` will take the value from `:seriescolor`.",
+    :fillalpha          => "Number in [0,1]. The alpha/opacity override for the fill area.  `nothing` (the default) means it will take the alpha value of fillcolor.",
+    :markershape        => "Symbol, Shape, or AbstractVector. Choose from $(_allMarkers).",
+    :fillstyle          => "Symbol. Style of the fill area. `nothing` (the default) means solid fill. Choose from :/, :\\, :|, :-, :+, :x",
+    :markercolor        => "Color Type. Color of the interior of the marker or shape. `:match` will take the value from `:seriescolor`.",
+    :markeralpha        => "Number in [0,1]. The alpha/opacity override for the marker interior.  `nothing` (the default) means it will take the alpha value of markercolor.",
+    :markersize         => "Number or AbstractVector. Size (radius pixels) of the markers",
+    :markerstrokestyle  => "Symbol. Style of the marker stroke (border).  Choose from $(_allStyles)",
+    :markerstrokewidth  => "Number. Width of the marker stroke (border) in pixels",
+    :markerstrokecolor  => "Color Type. Color of the marker stroke (border).  `:match` will take the value from `:foreground_color_subplot`.",
+    :markerstrokealpha  => "Number in [0,1]. The alpha/opacity override for the marker stroke (border).  `nothing` (the default) means it will take the alpha value of markerstrokecolor.",
+    :bins               => "Integer, NTuple{2,Integer}, AbstractVector or Symbol. Default is :auto (the Freedman-Diaconis rule). For histogram-types, defines the approximate number of bins to aim for, or the auto-binning algorithm to use (:sturges, :sqrt, :rice, :scott or :fd). For fine-grained control pass a Vector of break values, e.g. `range(minimum(x), stop = maximum(x), length = 25)`",
+    :smooth             => "Bool.  Add a regression line?",
+    :group              => "AbstractVector. Data is split into a separate series, one for each unique value in `group`",
+    :x                  => "Various. Input data. First Dimension",
+    :y                  => "Various. Input data. Second Dimension",
+    :z                  => "Various. Input data. Third Dimension. May be wrapped by a `Surface` for surface and heatmap types.",
+    :marker_z           => "AbstractVector, Function `f(x,y,z) -> z_value`, or Function `f(x,y) -> z_value`, or nothing. z-values for each series data point, which correspond to the color to be used from a markercolor gradient.",
+    :line_z             => "AbstractVector, Function `f(x,y,z) -> z_value`, or Function `f(x,y) -> z_value`, or nothing. z-values for each series line segment, which correspond to the color to be used from a linecolor gradient.  Note that for N points, only the first N-1 values are used (one per line-segment).",
+    :fill_z             => "Matrix{Float64} of the same size as z matrix, which specifies the color of the 3D surface; the default value is `nothing`.",
+    :levels             => "Integer (number of contours) or AbstractVector (contour values). Determines contour levels for a contour type.",
+    :orientation        => "Symbol.  Horizontal or vertical orientation for bar types.  Values `:h`, `:hor`, `:horizontal` correspond to horizontal (sideways, anchored to y-axis), and `:v`, `:vert`, and `:vertical` correspond to vertical (the default).",
+    :bar_position       => "Symbol.  Choose from `:overlay` (default), `:stack`.  (warning: May not be implemented fully)",
+    :bar_width          => "nothing or Number. Width of bars in data coordinates. When nothing, chooses based on x (or y when `orientation = :h`).",
+    :bar_edges          => "Bool.  Align bars to edges (true), or centers (the default)?",
+    :xerror             => "AbstractVector or 2-Tuple of Vectors. x (horizontal) error relative to x-value.  If 2-tuple of vectors, the first vector corresponds to the left error (and the second to the right)",
+    :yerror             => "AbstractVector or 2-Tuple of Vectors. y (vertical) error relative to y-value.  If 2-tuple of vectors, the first vector corresponds to the bottom error (and the second to the top)",
+    :ribbon             => "Number or AbstractVector.  Creates a fillrange around the data points.",
+    :quiver             => "AbstractVector or 2-Tuple of vectors.  The directional vectors U,V which specify velocity/gradient vectors for a quiver plot.",
+    :arrow              => "nothing (no arrows), Bool (if true, default arrows), Arrow object, or arg(s) that could be style or head length/widths.  Defines arrowheads that should be displayed at the end of path line segments (just before a NaN and the last non-NaN point).  Used in quiverplot, streamplot, or similar.",
+    :normalize          => "Bool or Symbol. Histogram normalization mode. Possible values are: false/:none (no normalization, default), true/:pdf (normalize to a discrete Probability Density Function, where the total area of the bins is 1), :probability (bin heights sum to 1) and :density (the area of each bin, rather than the height, is equal to the counts - useful for uneven bin sizes).",
+    :weights            => "AbstractVector. Used in histogram types for weighted counts.",
+    :show_empty_bins    => "Bool. Whether empty bins in a 2D histogram are colored as 0 (true), or transparent (the default)",
+    :contours           => "Bool. Add contours to the side-grids of 3D plots?  Used in surface/wireframe.",
+    :contour_labels     => "Bool. Show labels at the contour lines?",
+    :match_dimensions   => "Bool. For heatmap types... should the first dimension of a matrix (rows) correspond to the first dimension of the plot (x-axis)?  The default is false, which matches the behavior of Matplotlib, Plotly, and others.  Note: when passing a function for z, the function should still map `(x,y) -> z`.",
+    :subplot            => "Integer (subplot index) or Subplot object.  The subplot that this series belongs to.",
+    :series_annotations => "AbstractVector of String or PlotText.  These are annotations which are mapped to data points/positions.",
+    :primary            => "Bool.  Does this count as a 'real series'?  For example, you could have a path (primary), and a scatter (secondary) as 2 separate series, maybe with different data (see sticks recipe for an example).  The secondary series will get the same color, etc as the primary.",
+    :hover              => "nothing or vector of strings. Text to display when hovering over each data point.",
+    :colorbar_entry     => "Bool.  Include this series in the color bar?  Set to `false` to exclude.",
 
-# subplot args
-:title                    => "String. Subplot title.",
-:title_location           => "Symbol. Position of subplot title. Values: `:left`, `:center`, `:right`",
-:titlefontfamily          => "String or Symbol. Font family of subplot title.",
-:titlefontsize            => "Integer. Font pointsize of subplot title.",
-:titlefonthalign          => "Symbol. Font horizontal alignment of subplot title: :hcenter, :left, :right or :center",
-:titlefontvalign          => "Symbol. Font vertical alignment of subplot title: :vcenter, :top, :bottom or :center",
-:titlefontrotation        => "Real. Font rotation of subplot title",
-:titlefontcolor           => "Color Type. Font color of subplot title",
-:background_color_subplot => "Color Type or `:match` (matches `:background_color`).  Base background color of the subplot.",
-:background_color_legend  => "Color Type or `:match` (matches `:background_color_subplot`).  Background color of the legend.",
-:background_color_inside  => "Color Type or `:match` (matches `:background_color_subplot`).  Background color inside the plot area (under the grid).",
-:foreground_color_subplot => "Color Type or `:match` (matches `:foreground_color`).  Base foreground color of the subplot.",
-:foreground_color_legend  => "Color Type or `:match` (matches `:foreground_color_subplot`).  Foreground color of the legend.",
-:foreground_color_title   => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of subplot title.",
-:color_palette            => "Vector of colors (cycle through) or color gradient (generate list from gradient) or `:auto` (generate a color list using `Colors.distiguishable_colors` and custom seed colors chosen to contrast with the background).  The color palette is a color list from which series colors are automatically chosen.",
-:legend                   => "Bool (show the legend?) or Symbol (legend position).  Symbol values: `:none`, `:best`, `:right`, `:left`, `:top`, `:bottom`, `:inside`, `:legend`, `:topright`, `:topleft`, `:bottomleft`, `:bottomright` (note: only some may be supported in each backend)",
-:legendfontfamily         => "String or Symbol. Font family of legend entries.",
-:legendfontsize           => "Integer. Font pointsize of legend entries.",
-:legendfonthalign         => "Symbol. Font horizontal alignment of legend entries: :hcenter, :left, :right or :center",
-:legendfontvalign         => "Symbol. Font vertical alignment of legend entries: :vcenter, :top, :bottom or :center",
-:legendfontrotation       => "Real. Font rotation of legend entries",
-:legendfontcolor          => "Color Type. Font color of legend entries",
-:colorbar                 => "Bool (show the colorbar?) or Symbol (colorbar position).  Symbol values: `:none`, `:best`, `:right`, `:left`, `:top`, `:bottom`, `:legend` (matches legend value) (note: only some may be supported in each backend)",
-:clims 					  => "`:auto` or NTuple{2,Number}.  Fixes the limits of the colorbar.",
-:legendfont               => "Font. Font of legend items.",
-:annotations              => "(x,y,text) tuple(s).  Can be a single tuple or a list of them.  Text can be String or PlotText (created with `text(args...)`)  Add one-off text annotations at the x,y coordinates.",
-:projection               => "Symbol or String.  '3d' or 'polar'",
-:aspect_ratio             => "Symbol (:equal) or Number. Plot area is resized so that 1 y-unit is the same size as `aspect_ratio` x-units.",
-:margin                   => "Measure (multiply by `mm`, `px`, etc). Base for individual margins... not directly used.  Specifies the extra padding around subplots.",
-:left_margin              => "Measure (multiply by `mm`, `px`, etc) or `:match` (matches `:margin`).  Specifies the extra padding to the left of the subplot.",
-:top_margin               => "Measure (multiply by `mm`, `px`, etc) or `:match` (matches `:margin`).  Specifies the extra padding on the top of the subplot.",
-:right_margin             => "Measure (multiply by `mm`, `px`, etc) or `:match` (matches `:margin`).  Specifies the extra padding to the right of the subplot.",
-:bottom_margin            => "Measure (multiply by `mm`, `px`, etc) or `:match` (matches `:margin`).  Specifies the extra padding on the bottom of the subplot.",
-:subplot_index            => "Integer.  Internal (not set by user).  Specifies the index of this subplot in the Plot's `plt.subplot` list.",
-:colorbar_title           => "String.  Title of colorbar.",
-:framestyle               => "Symbol.  Style of the axes frame. Choose from $(_allFramestyles)",
-:camera                   => "NTuple{2, Real}. Sets the view angle (azimuthal, elevation) for 3D plots",
+    # plot args
+    :plot_title               => "String. Title for the whole plot (not the subplots)",
+    :plot_titlevspan          => "Number in [0,1]. Vertical span of the whole plot title (fraction of the plot height)",
+    :background_color         => "Color Type.  Base color for all backgrounds.",
+    :background_color_outside => "Color Type or `:match` (matches `:background_color`).  Color outside the plot area(s)",
+    :foreground_color         => "Color Type.  Base color for all foregrounds.",
+    :size                     => "NTuple{2,Int}. (width_px, height_px) of the whole Plot",
+    :pos                      => "NTuple{2,Int}. (left_px, top_px) position of the GUI window (note: currently unimplemented)",
+    :window_title             => "String. Title of the standalone gui-window.",
+    :show                     => "Bool.  Should this command open/refresh a GUI/display?  This allows displaying in scripts or functions without explicitly calling `display`",
+    :layout                   => "Integer (number of subplots), NTuple{2,Integer} (grid dimensions), AbstractLayout (for example `grid(2,2)`), or the return from the `@layout` macro.  This builds the layout of subplots.",
+    :link                     => "Symbol.  How/whether to link axis limits between subplots. Values: `:none`, `:x` (x axes are linked by columns), `:y` (y axes are linked by rows), `:both` (x and y are linked), `:all` (every subplot is linked together regardless of layout position).",
+    :overwrite_figure         => "Bool.  Should we reuse the same GUI window/figure when plotting (true) or open a new one (false).",
+    :html_output_format       => "Symbol.  When writing html output, what is the format?  `:png` and `:svg` are currently supported.",
+    :tex_output_standalone    => "Bool. When writing tex output, should the source include a preamble for a standalone document class.",
+    :inset_subplots           => "nothing or vector of 2-tuple (parent,bbox).  optionally pass a vector of (parent,bbox) tuples which are the parent layout and the relative bounding box of inset subplots",
+    :dpi                      => "Number.  Dots Per Inch of output figures",
+    :thickness_scaling        => "Number. Scale for the thickness of all line elements like lines, borders, axes, grid lines, ... defaults to 1.",
+    :display_type             => "Symbol (`:auto`, `:gui`, or `:inline`).  When supported, `display` will either open a GUI window or plot inline.",
+    :extra_kwargs             => "Either one of (`:plot`, `:subplot`, `:series`) to specify for which element extra keyword args are collected or a KW (Dict{Symbol,Any}) to pass a map of extra keyword args which may be specific to a backend. Default: `:series`.\n Example: `pgfplotsx(); scatter(1:5, extra_kwargs=Dict(:subplot=>Dict(\"axis line shift\" => \"10pt\"))`",
+    :fontfamily               => "String or Symbol.  Default font family for title, legend entries, tick labels and guides",
+    :warn_on_unsupported      => "Bool. Warn on unsupported attributes, series types and marker shapes",
 
-# axis args
-:guide     		  => "String. Axis guide (label).",
-:guide_position		  => "Symbol. Position of axis guides: :top, :bottom, :left or :right",
-:lims      		  => "NTuple{2,Number} or Symbol. Force axis limits.  Only finite values are used (you can set only the right limit with `xlims = (-Inf, 2)` for example). `:round` widens the limit to the nearest round number ie. [0.1,3.6]=>[0.0,4.0]",
-:ticks     		  => "Vector of numbers (set the tick values), Tuple of (tickvalues, ticklabels), or `:auto`",
-:scale     		  => "Symbol. Scale of the axis: `:none`, `:ln`, `:log2`, `:log10`",
-:rotation  		  => "Number. Degrees rotation of tick labels.",
-:flip      		  => "Bool.  Should we flip (reverse) the axis?",
-:formatter                => "Function, :scientific, :plain or :auto. A method which converts a number to a string for tick labeling.",
-:tickfontfamily           => "String or Symbol. Font family of tick labels.",
-:tickfontsize             => "Integer. Font pointsize of tick labels.",
-:tickfonthalign           => "Symbol. Font horizontal alignment of tick labels: :hcenter, :left, :right or :center",
-:tickfontvalign           => "Symbol. Font vertical alignment of tick labels: :vcenter, :top, :bottom or :center",
-:tickfontrotation         => "Real. Font rotation of tick labels",
-:tickfontcolor            => "Color Type. Font color of tick labels",
-:guidefontfamily          => "String or Symbol. Font family of axes guides.",
-:guidefontsize            => "Integer. Font pointsize of axes guides.",
-:guidefonthalign          => "Symbol. Font horizontal alignment of axes guides: :hcenter, :left, :right or :center",
-:guidefontvalign          => "Symbol. Font vertical alignment of axes guides: :vcenter, :top, :bottom or :center",
-:guidefontrotation        => "Real. Font rotation of axes guides",
-:guidefontcolor           => "Color Type. Font color of axes guides",
-:foreground_color_axis    => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of axis ticks.",
-:foreground_color_border  => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of plot area border (spines).",
-:foreground_color_text    => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of tick labels.",
-:foreground_color_guide   => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of axis guides (axis labels).",
-:mirror                   => "Bool.  Switch the side of the tick labels (right or top).",
-:grid                     => "Bool, Symbol, String or `nothing`. Show the grid lines? `true`, `false`, `:show`, `:hide`, `:yes`, `:no`, `:x`, `:y`, `:z`, `:xy`, ..., `:all`, `:none`, `:off`",
-:foreground_color_grid    => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of grid lines.",
-:gridalpha                => "Number in [0,1]. The alpha/opacity override for the grid lines.",
-:gridstyle                => "Symbol. Style of the grid lines. Choose from $(_allStyles)",
-:gridlinewidth            => "Number. Width of the grid lines (in pixels)",
-:foreground_color_minor_grid => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of minor grid lines.",
-:minorgrid                => "Bool. Adds minor grid lines and ticks to the plot. Set minorticks to change number of gridlines",
-:minorticks               => "Integer. Intervals to divide the gap between major ticks into",
-:minorgridalpha           => "Number in [0,1]. The alpha/opacity override for the minorgrid lines.",
-:minorgridstyle           => "Symbol. Style of the minor grid lines. Choose from $(_allStyles)",
-:minorgridlinewidth       => "Number. Width of the minor grid lines (in pixels)",
-:tick_direction           => "Symbol.  Direction of the ticks. `:in` or `:out`",
-:showaxis                 => "Bool, Symbol or String.  Show the axis. `true`, `false`, `:show`, `:hide`, `:yes`, `:no`, `:x`, `:y`, `:z`, `:xy`, ..., `:all`, `:off`",
-:widen                    => "Bool. Widen the axis limits by a small factor to avoid cut-off markers and lines at the borders. Defaults to `true`.",
-:draw_arrow               => "Bool. Draw arrow at the end of the axis.",
+    # subplot args
+    :title                    => "String. Subplot title.",
+    :titlelocation            => "Symbol. Position of subplot title. Values: `:left`, `:center`, `:right`",
+    :titlefontfamily          => "String or Symbol. Font family of subplot title.",
+    :titlefontsize            => "Integer. Font pointsize of subplot title.",
+    :titlefonthalign          => "Symbol. Font horizontal alignment of subplot title: :hcenter, :left, :right or :center",
+    :titlefontvalign          => "Symbol. Font vertical alignment of subplot title: :vcenter, :top, :bottom or :center",
+    :titlefontrotation        => "Real. Font rotation of subplot title",
+    :titlefontcolor           => "Color Type. Font color of subplot title",
+    :background_color_subplot => "Color Type or `:match` (matches `:background_color`).  Base background color of the subplot.",
+    :background_color_legend  => "Color Type or `:match` (matches `:background_color_subplot`).  Background color of the legend.",
+    :background_color_inside  => "Color Type or `:match` (matches `:background_color_subplot`).  Background color inside the plot area (under the grid).",
+    :foreground_color_subplot => "Color Type or `:match` (matches `:foreground_color`).  Base foreground color of the subplot.",
+    :foreground_color_legend  => "Color Type or `:match` (matches `:foreground_color_subplot`).  Foreground color of the legend.",
+    :foreground_color_title   => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of subplot title.",
+    :color_palette            => "Vector of colors (cycle through) or color gradient (generate list from gradient) or `:auto` (generate a color list using `Colors.distiguishable_colors` and custom seed colors chosen to contrast with the background).  The color palette is a color list from which series colors are automatically chosen.",
+    :legend                   => "Bool (show the legend?) or (x,y) tuple or Symbol (legend position) or angle or (angle,inout) tuple. Bottom left corner of legend is placed at (x,y).  Symbol values: `:none`; `:best`; `:inline`; `:inside`; `:legend`; any valid combination of `:(outer ?)(top/bottom ?)(right/left ?)`, i.e.: `:top`, `:topright`, `:outerleft`, `:outerbottomright` ... (note: only some may be supported in each backend). Legend is positioned at (angle degrees) (so (90,:outer) is roughly equivalent to :outertop), close to the inside of the axes or the outside if inout=:outer.",
+    :legendfontfamily         => "String or Symbol. Font family of legend entries.",
+    :legendfontsize           => "Integer. Font pointsize of legend entries.",
+    :legendfonthalign         => "Symbol. Font horizontal alignment of legend entries: :hcenter, :left, :right or :center",
+    :legendfontvalign         => "Symbol. Font vertical alignment of legend entries: :vcenter, :top, :bottom or :center",
+    :legendfontrotation       => "Real. Font rotation of legend entries",
+    :legendfontcolor          => "Color Type. Font color of legend entries",
+    :legendtitle              => "String. Legend title.",
+    :legendtitlefontfamily    => "String or Symbol. Font family of the legend title.",
+    :legendtitlefontsize      => "Integer. Font pointsize the legend title.",
+    :legendtitlefonthalign    => "Symbol. Font horizontal alignment of the legend title: :hcenter, :left, :right or :center",
+    :legendtitlefontvalign    => "Symbol. Font vertical alignment of the legend title: :vcenter, :top, :bottom or :center",
+    :legendtitlefontrotation  => "Real. Font rotation of the legend title",
+    :legendtitlefontcolor     => "Color Type. Font color of the legend title",
+    :colorbar                 => "Bool (show the colorbar?) or Symbol (colorbar position).  Symbol values: `:none`, `:best`, `:right`, `:left`, `:top`, `:bottom`, `:legend` (matches legend value) (note: only some may be supported in each backend)",
+    :clims                    => "`:auto`, NTuple{2,Number}, or a function that takes series data in and returns NTuple{2,Number}.  Fixes the limits of the colorbar.",
+    :colorbar_fontfamily      => "String or Symbol. Font family of colobar entries.",
+    :colorbar_ticks           => "Vector of numbers (set the tick values), Tuple of (tickvalues, ticklabels), or `:auto`",
+    :colorbar_tickfontfamily  => "String or Symbol. Font family of colorbar tick labels.",
+    :colorbar_tickfontsize    => "Integer. Font pointsize of colorbar tick entries.",
+    :colorbar_tickfontcolor   => "Color Type. Font color of colorbar tick entries",
+    :colorbar_scale           => "Symbol. Scale of the colorbar axis: `:none`, `:ln`, `:log2`, `:log10`",
+    :colorbar_formatter       => "Function, :scientific, :plain or :auto. A method which converts a number to a string for tick labeling.",
+    :legendfont               => "Font. Font of legend items.",
+    :legendtitlefont          => "Font. Font of the legend title.",
+    :annotations              => "(x,y,text) tuple(s).  Can be a single tuple or a list of them.  Text can be String, PlotText (created with `text(args...)`), or a tuple of arguments to `text` (e.g., `(\"Label\", 8, :red, :top)`).  Add one-off text annotations at the x,y coordinates.",
+    :annotationfontfamily     => "String or Symbol. Font family of annotations.",
+    :annotationfontsize       => "Integer. Font pointsize of annotations.",
+    :annotationhalign         => "Symbol. horizontal alignment of annotations, :hcenter, :left, :right or :center.",
+    :annotationvalign         => "Symbol. Vertical alignment of annotations, :vcenter, :top, :bottom or :center.",
+    :annotationrotation       => "Float. Rotation of annotations in degrees.",
+    :annotationcolor          => "Colorant or :match. Color of annotations.",
+    :projection               => "Symbol or String.  '3d' or 'polar'",
+    :aspect_ratio             => "Symbol (:equal or :none) or Number. Plot area is resized so that 1 y-unit is the same size as `aspect_ratio` x-units. With `:none`, images inherit aspect ratio of the plot area.",
+    :margin                   => "Measure (multiply by `mm`, `px`, etc). Base for individual margins... not directly used.  Specifies the extra padding around subplots.",
+    :left_margin              => "Measure (multiply by `mm`, `px`, etc) or `:match` (matches `:margin`).  Specifies the extra padding to the left of the subplot.",
+    :top_margin               => "Measure (multiply by `mm`, `px`, etc) or `:match` (matches `:margin`).  Specifies the extra padding on the top of the subplot.",
+    :right_margin             => "Measure (multiply by `mm`, `px`, etc) or `:match` (matches `:margin`).  Specifies the extra padding to the right of the subplot.",
+    :bottom_margin            => "Measure (multiply by `mm`, `px`, etc) or `:match` (matches `:margin`).  Specifies the extra padding on the bottom of the subplot.",
+    :subplot_index            => "Integer.  Internal (not set by user).  Specifies the index of this subplot in the Plot's `plt.subplot` list.",
+    :colorbar_title           => "String.  Title of colorbar.",
+    :framestyle               => "Symbol.  Style of the axes frame. Choose from $(_allFramestyles)",
+    :camera                   => "NTuple{2, Real}. Sets the view angle (azimuthal, elevation) for 3D plots",
+
+    # axis args
+    :guide                       => "String. Axis guide (label).",
+    :guide_position              => "Symbol. Position of axis guides: :top, :bottom, :left or :right",
+    :lims                        => """
+                                    NTuple{2,Number} or Symbol. Force axis limits. Only finite values are used (you can set only the right limit with `xlims = (-Inf, 2)` for example).
+                                    `:round` widens the limit to the nearest round number ie. [0.1,3.6]=>[0.0,4.0]
+                                    `:symmetric` sets the limits to be symmetric around zero.
+                                    Set widen=true to widen the specified limits (as occurs when lims are not specified).
+                                    """,
+    :ticks                       => "Vector of numbers (set the tick values), Tuple of (tickvalues, ticklabels), or `:auto`",
+    :scale                       => "Symbol. Scale of the axis: `:none`, `:ln`, `:log2`, `:log10`",
+    :rotation                    => "Number. Degrees rotation of tick labels.",
+    :flip                        => "Bool.  Should we flip (reverse) the axis?",
+    :formatter                   => "Function, :scientific, :plain or :auto. A method which converts a number to a string for tick labeling.",
+    :tickfontfamily              => "String or Symbol. Font family of tick labels.",
+    :tickfontsize                => "Integer. Font pointsize of tick labels.",
+    :tickfonthalign              => "Symbol. Font horizontal alignment of tick labels: :hcenter, :left, :right or :center",
+    :tickfontvalign              => "Symbol. Font vertical alignment of tick labels: :vcenter, :top, :bottom or :center",
+    :tickfontrotation            => "Real. Font rotation of tick labels",
+    :tickfontcolor               => "Color Type. Font color of tick labels",
+    :guidefontfamily             => "String or Symbol. Font family of axes guides.",
+    :guidefontsize               => "Integer. Font pointsize of axes guides.",
+    :guidefonthalign             => "Symbol. Font horizontal alignment of axes guides: :hcenter, :left, :right or :center",
+    :guidefontvalign             => "Symbol. Font vertical alignment of axes guides: :vcenter, :top, :bottom or :center",
+    :guidefontrotation           => "Real. Font rotation of axes guides",
+    :guidefontcolor              => "Color Type. Font color of axes guides",
+    :foreground_color_axis       => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of axis ticks.",
+    :foreground_color_border     => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of plot area border (spines).",
+    :foreground_color_text       => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of tick labels.",
+    :foreground_color_guide      => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of axis guides (axis labels).",
+    :mirror                      => "Bool.  Switch the side of the tick labels (right or top).",
+    :grid                        => "Bool, Symbol, String or `nothing`. Show the grid lines? `true`, `false`, `:show`, `:hide`, `:yes`, `:no`, `:x`, `:y`, `:z`, `:xy`, ..., `:all`, `:none`, `:off`",
+    :foreground_color_grid       => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of grid lines.",
+    :gridalpha                   => "Number in [0,1]. The alpha/opacity override for the grid lines.",
+    :gridstyle                   => "Symbol. Style of the grid lines. Choose from $(_allStyles)",
+    :gridlinewidth               => "Number. Width of the grid lines (in pixels)",
+    :foreground_color_minor_grid => "Color Type or `:match` (matches `:foreground_color_subplot`). Color of minor grid lines.",
+    :minorgrid                   => "Bool. Adds minor grid lines and ticks to the plot. Set minorticks to change number of gridlines",
+    :minorticks                  => "Integer. Intervals to divide the gap between major ticks into",
+    :minorgridalpha              => "Number in [0,1]. The alpha/opacity override for the minorgrid lines.",
+    :minorgridstyle              => "Symbol. Style of the minor grid lines. Choose from $(_allStyles)",
+    :minorgridlinewidth          => "Number. Width of the minor grid lines (in pixels)",
+    :tick_direction              => "Symbol.  Direction of the ticks. `:in`, `:out` or `:none`",
+    :showaxis                    => "Bool, Symbol or String.  Show the axis. `true`, `false`, `:show`, `:hide`, `:yes`, `:no`, `:x`, `:y`, `:z`, `:xy`, ..., `:all`, `:off`",
+    :widen                       => """
+                                    Bool or :auto. Widen the axis limits by a small factor to avoid cut-off markers and lines at the borders.
+                                    Defaults to `:auto`, which widens unless limits were manually set.
+                                    """,
+    :draw_arrow                  => "Bool. Draw arrow at the end of the axis.",
 )

src/backends/deprecated/pgfplots.jl

@@ -27,7 +27,7 @@ const _pgfplots_markers = KW(
     :diamond => "diamond*",
     :pentagon => "pentagon*",
     :hline => "-",
-    :vline => "|"
+    :vline => "|",
 )
 
 const _pgfplots_legend_pos = KW(
@@ -38,7 +38,6 @@ const _pgfplots_legend_pos = KW(
     :outertopright => "outer north east",
 )
 
-
 const _pgf_series_extrastyle = KW(
     :steppre => "const plot mark right",
     :stepmid => "const plot mark mid",
@@ -50,11 +49,7 @@ const _pgf_series_extrastyle = KW(
 
 # PGFPlots uses the anchors to define orientations for example to align left
 # one needs to use the right edge as anchor
-const _pgf_annotation_halign = KW(
-    :center => "",
-    :left => "right",
-    :right => "left"
-)
+const _pgf_annotation_halign = KW(:center => "", :left => "right", :right => "left")
 
 const _pgf_framestyles = [:box, :axes, :origin, :zerolines, :grid, :none]
 const _pgf_framestyle_defaults = Dict(:semi => :box)
@@ -63,7 +58,9 @@ function pgf_framestyle(style::Symbol)
         return style
     else
         default_style = get(_pgf_framestyle_defaults, style, :axes)
-        @warn("Framestyle :$style is not (yet) supported by the PGFPlots backend. :$default_style was cosen instead.")
+        @warn(
+            "Framestyle :$style is not (yet) supported by the PGFPlots backend. :$default_style was cosen instead."
+        )
         default_style
     end
 end
@@ -78,15 +75,15 @@ end
 
 function pgf_color(grad::ColorGradient)
     # Can't handle ColorGradient here, fallback to defaults.
-    cstr = @sprintf("{rgb,1:red,%.8f;green,%.8f;blue,%.8f}", 0.0, 0.60560316,0.97868012)
+    cstr = @sprintf("{rgb,1:red,%.8f;green,%.8f;blue,%.8f}", 0.0, 0.60560316, 0.97868012)
     cstr, 1
 end
 
 # Generates a colormap for pgfplots based on a ColorGradient
 function pgf_colormap(grad::ColorGradient)
     join(map(grad.colors) do c
-        @sprintf("rgb=(%.8f,%.8f,%.8f)", red(c), green(c),blue(c))
-    end,", ")
+        @sprintf("rgb=(%.8f,%.8f,%.8f)", red(c), green(c), blue(c))
+    end, ", ")
 end
 
 pgf_thickness_scaling(plt::Plot) = plt[:thickness_scaling]
@@ -94,9 +91,9 @@ pgf_thickness_scaling(sp::Subplot) = pgf_thickness_scaling(sp.plt)
 pgf_thickness_scaling(series) = pgf_thickness_scaling(series[:subplot])
 
 function pgf_fillstyle(plotattributes, i = 1)
-    cstr,a = pgf_color(get_fillcolor(plotattributes, i))
+    cstr, a = pgf_color(get_fillcolor(plotattributes, i))
     fa = get_fillalpha(plotattributes, i)
-    if fa != nothing
+    if fa !== nothing
         a = fa
     end
     "fill = $cstr, fill opacity=$a"
@@ -126,32 +123,47 @@ end
 
 function pgf_marker(plotattributes, i = 1)
     shape = _cycle(plotattributes[:markershape], i)
-    cstr, a = pgf_color(plot_color(get_markercolor(plotattributes, i), get_markeralpha(plotattributes, i)))
-    cstr_stroke, a_stroke = pgf_color(plot_color(get_markerstrokecolor(plotattributes, i), get_markerstrokealpha(plotattributes, i)))
-    """
-    mark = $(get(_pgfplots_markers, shape, "*")),
-    mark size = $(pgf_thickness_scaling(plotattributes) * 0.5 * _cycle(plotattributes[:markersize], i)),
-    mark options = {
-        color = $cstr_stroke, draw opacity = $a_stroke,
-        fill = $cstr, fill opacity = $a,
-        line width = $(pgf_thickness_scaling(plotattributes) * _cycle(plotattributes[:markerstrokewidth], i)),
-        rotate = $(shape == :dtriangle ? 180 : 0),
-        $(get(_pgfplots_linestyles, _cycle(plotattributes[:markerstrokestyle], i), "solid"))
-    }"""
+    cstr, a = pgf_color(
+        plot_color(get_markercolor(plotattributes, i), get_markeralpha(plotattributes, i)),
+    )
+    cstr_stroke, a_stroke = pgf_color(
+        plot_color(
+            get_markerstrokecolor(plotattributes, i),
+            get_markerstrokealpha(plotattributes, i),
+        ),
+    )
+    return string(
+        "mark = $(get(_pgfplots_markers, shape, "*")),\n",
+        "mark size = $(pgf_thickness_scaling(plotattributes) * 0.5 * _cycle(plotattributes[:markersize], i)),\n",
+        plotattributes[:seriestype] == :scatter ? "only marks,\n" : "",
+        "mark options = {
+            color = $cstr_stroke, draw opacity = $a_stroke,
+            fill = $cstr, fill opacity = $a,
+            line width = $(pgf_thickness_scaling(plotattributes) * _cycle(plotattributes[:markerstrokewidth], i)),
+            rotate = $(shape == :dtriangle ? 180 : 0),
+            $(get(_pgfplots_linestyles, _cycle(plotattributes[:markerstrokestyle], i), "solid"))
+        }",
+    )
 end
 
 function pgf_add_annotation!(o, x, y, val, thickness_scaling = 1)
     # Construct the style string.
     # Currently supports color and orientation
-    cstr,a = pgf_color(val.font.color)
-    push!(o, PGFPlots.Plots.Node(val.str, # Annotation Text
-        x, y,
-        style="""
-        $(get(_pgf_annotation_halign,val.font.halign,"")),
-        color=$cstr, draw opacity=$(convert(Float16,a)),
-        rotate=$(val.font.rotation),
-        font=$(pgf_font(val.font.pointsize, thickness_scaling))
-        """))
+    cstr, a = pgf_color(val.font.color)
+    push!(
+        o,
+        PGFPlots.Plots.Node(
+            val.str, # Annotation Text
+            x,
+            y,
+            style = """
+              $(get(_pgf_annotation_halign,val.font.halign,"")),
+              color=$cstr, draw opacity=$(convert(Float16,a)),
+              rotate=$(val.font.rotation),
+              font=$(pgf_font(val.font.pointsize, thickness_scaling))
+              """,
+        ),
+    )
 end
 
 # --------------------------------------------------------------------------------------
@@ -164,7 +176,7 @@ function pgf_series(sp::Subplot, series::Series)
     # function args
     args = if st == :contour
         plotattributes[:z].surf, plotattributes[:x], plotattributes[:y]
-    elseif is3d(st)
+    elseif RecipesPipeline.is3d(st)
         plotattributes[:x], plotattributes[:y], plotattributes[:z]
     elseif st == :straightline
         straightline_data(series)
@@ -178,11 +190,11 @@ function pgf_series(sp::Subplot, series::Series)
     end
 
     # PGFPlots can't handle non-Vector?
-    args = map(a -> if typeof(a) <: AbstractVector && typeof(a) != Vector
-            collect(a)
-        else
-            a
-        end, args)
+    # args = map(a -> if typeof(a) <: AbstractVector && typeof(a) != Vector
+    #         collect(a)
+    #     else
+    #         a
+    #     end, args)
 
     if st in (:contour, :histogram2d)
         style = []
@@ -216,12 +228,12 @@ function pgf_series(sp::Subplot, series::Series)
 
             # add to legend?
             if i == 1 && sp[:legend] != :none && should_add_to_legend(series)
-                if plotattributes[:fillrange] != nothing
+                if plotattributes[:fillrange] !== nothing
                     push!(style, "forget plot")
                     push!(series_collection, pgf_fill_legend_hack(plotattributes, args))
                 else
                     kw[:legendentry] = plotattributes[:label]
-                    if st == :shape # || plotattributes[:fillrange] != nothing
+                    if st == :shape # || plotattributes[:fillrange] !== nothing
                         push!(style, "area legend")
                     end
                 end
@@ -238,8 +250,16 @@ function pgf_series(sp::Subplot, series::Series)
             kw[:style] = join(style, ',')
 
             # add fillrange
-            if series[:fillrange] != nothing && st != :shape
-                push!(series_collection, pgf_fillrange_series(series, i, _cycle(series[:fillrange], rng), seg_args...))
+            if series[:fillrange] !== nothing && st != :shape
+                push!(
+                    series_collection,
+                    pgf_fillrange_series(
+                        series,
+                        i,
+                        _cycle(series[:fillrange], rng),
+                        seg_args...,
+                    ),
+                )
             end
 
             # build/return the series object
@@ -269,7 +289,7 @@ function pgf_fillrange_series(series, i, fillrange, args...)
         push!(style, _pgf_series_extrastyle[st])
     end
     kw[:style] = join(style, ',')
-    func = is3d(series) ? PGFPlots.Linear3 : PGFPlots.Linear
+    func = RecipesPipeline.is3d(series) ? PGFPlots.Linear3 : PGFPlots.Linear
     return func(pgf_fillrange_args(fillrange, args...)...; kw...)
 end
 
@@ -311,7 +331,7 @@ end
 # ----------------------------------------------------------------
 
 function pgf_axis(sp::Subplot, letter)
-    axis = sp[Symbol(letter,:axis)]
+    axis = sp[get_attr_symbol(letter, :axis)]
     style = []
     kw = KW()
 
@@ -322,7 +342,7 @@ function pgf_axis(sp::Subplot, letter)
     framestyle = pgf_framestyle(sp[:framestyle])
 
     # axis guide
-    kw[Symbol(letter,:label)] = axis[:guide]
+    kw[get_attr_symbol(letter, :label)] = axis[:guide]
 
     # axis label position
     labelpos = ""
@@ -334,7 +354,23 @@ function pgf_axis(sp::Subplot, letter)
 
     # Add label font
     cstr, α = pgf_color(plot_color(axis[:guidefontcolor]))
-    push!(style, string(letter, "label style = {", labelpos ,"font = ", pgf_font(axis[:guidefontsize], pgf_thickness_scaling(sp)), ", color = ", cstr, ", draw opacity = ", α, ", rotate = ", axis[:guidefontrotation], "}"))
+    push!(
+        style,
+        string(
+            letter,
+            "label style = {",
+            labelpos,
+            "font = ",
+            pgf_font(axis[:guidefontsize], pgf_thickness_scaling(sp)),
+            ", color = ",
+            cstr,
+            ", draw opacity = ",
+            α,
+            ", rotate = ",
+            axis[:guidefontrotation],
+            "}",
+        ),
+    )
 
     # flip/reverse?
     axis[:flip] && push!(style, "$letter dir=reverse")
@@ -342,7 +378,7 @@ function pgf_axis(sp::Subplot, letter)
     # scale
     scale = axis[:scale]
     if scale in (:log2, :ln, :log10)
-        kw[Symbol(letter,:mode)] = "log"
+        kw[get_attr_symbol(letter, :mode)] = "log"
         scale == :ln || push!(style, "log basis $letter=$(scale == :log2 ? 2 : 10)")
     end
 
@@ -361,16 +397,20 @@ function pgf_axis(sp::Subplot, letter)
     # limits
     # TODO: support zlims
     if letter != :z
-        lims = ispolar(sp) && letter == :x ? rad2deg.(axis_limits(sp, :x)) : axis_limits(sp, letter)
-        kw[Symbol(letter,:min)] = lims[1]
-        kw[Symbol(letter,:max)] = lims[2]
+        lims =
+            ispolar(sp) && letter == :x ? rad2deg.(axis_limits(sp, :x)) :
+            axis_limits(sp, letter)
+        kw[get_attr_symbol(letter, :min)] = lims[1]
+        kw[get_attr_symbol(letter, :max)] = lims[2]
     end
 
     if !(axis[:ticks] in (nothing, false, :none, :native)) && framestyle != :none
         ticks = get_ticks(sp, axis)
         #pgf plot ignores ticks with angle below 90 when xmin = 90 so shift values
-        tick_values = ispolar(sp) && letter == :x ? [rad2deg.(ticks[1])[3:end]..., 360, 405] : ticks[1]
-        push!(style, string(letter, "tick = {", join(tick_values,","), "}"))
+        tick_values =
+            ispolar(sp) && letter == :x ? [rad2deg.(ticks[1])[3:end]..., 360, 405] :
+            ticks[1]
+        push!(style, string(letter, "tick = {", join(tick_values, ","), "}"))
         if axis[:showaxis] && axis[:scale] in (:ln, :log2, :log10) && axis[:ticks] == :auto
             # wrap the power part of label with }
             tick_labels = Vector{String}(undef, length(ticks[2]))
@@ -379,21 +419,59 @@ function pgf_axis(sp::Subplot, letter)
                 power = string("{", power, "}")
                 tick_labels[i] = string(base, "^", power)
             end
-            push!(style, string(letter, "ticklabels = {\$", join(tick_labels,"\$,\$"), "\$}"))
+            push!(
+                style,
+                string(letter, "ticklabels = {\$", join(tick_labels, "\$,\$"), "\$}"),
+            )
         elseif axis[:showaxis]
-            tick_labels = ispolar(sp) && letter == :x ? [ticks[2][3:end]..., "0", "45"] : ticks[2]
+            tick_labels =
+                ispolar(sp) && letter == :x ? [ticks[2][3:end]..., "0", "45"] : ticks[2]
             if axis[:formatter] in (:scientific, :auto)
                 tick_labels = string.("\$", convert_sci_unicode.(tick_labels), "\$")
                 tick_labels = replace.(tick_labels, Ref("×" => "\\times"))
             end
-            push!(style, string(letter, "ticklabels = {", join(tick_labels,","), "}"))
+            push!(style, string(letter, "ticklabels = {", join(tick_labels, ","), "}"))
         else
             push!(style, string(letter, "ticklabels = {}"))
         end
-        push!(style, string(letter, "tick align = ", (axis[:tick_direction] == :out ? "outside" : "inside")))
+        push!(
+            style,
+            string(
+                letter,
+                "tick align = ",
+                (axis[:tick_direction] == :out ? "outside" : "inside"),
+            ),
+        )
         cstr, α = pgf_color(plot_color(axis[:tickfontcolor]))
-        push!(style, string(letter, "ticklabel style = {font = ", pgf_font(axis[:tickfontsize], pgf_thickness_scaling(sp)), ", color = ", cstr, ", draw opacity = ", α, ", rotate = ", axis[:tickfontrotation], "}"))
-        push!(style, string(letter, " grid style = {", pgf_linestyle(pgf_thickness_scaling(sp) * axis[:gridlinewidth], axis[:foreground_color_grid], axis[:gridalpha], axis[:gridstyle]), "}"))
+        push!(
+            style,
+            string(
+                letter,
+                "ticklabel style = {font = ",
+                pgf_font(axis[:tickfontsize], pgf_thickness_scaling(sp)),
+                ", color = ",
+                cstr,
+                ", draw opacity = ",
+                α,
+                ", rotate = ",
+                axis[:tickfontrotation],
+                "}",
+            ),
+        )
+        push!(
+            style,
+            string(
+                letter,
+                " grid style = {",
+                pgf_linestyle(
+                    pgf_thickness_scaling(sp) * axis[:gridlinewidth],
+                    axis[:foreground_color_grid],
+                    axis[:gridalpha],
+                    axis[:gridstyle],
+                ),
+                "}",
+            ),
+        )
     end
 
     # framestyle
@@ -410,7 +488,20 @@ function pgf_axis(sp::Subplot, letter)
     if framestyle == :zerolines
         push!(style, string("extra ", letter, " ticks = 0"))
         push!(style, string("extra ", letter, " tick labels = "))
-        push!(style, string("extra ", letter, " tick style = {grid = major, major grid style = {", pgf_linestyle(pgf_thickness_scaling(sp), axis[:foreground_color_border], 1.0), "}}"))
+        push!(
+            style,
+            string(
+                "extra ",
+                letter,
+                " tick style = {grid = major, major grid style = {",
+                pgf_linestyle(
+                    pgf_thickness_scaling(sp),
+                    axis[:foreground_color_border],
+                    1.0,
+                ),
+                "}}",
+            ),
+        )
     end
 
     if !axis[:showaxis]
@@ -419,7 +510,19 @@ function pgf_axis(sp::Subplot, letter)
     if !axis[:showaxis] || framestyle in (:zerolines, :grid, :none)
         push!(style, string(letter, " axis line style = {draw opacity = 0}"))
     else
-        push!(style, string(letter, " axis line style = {", pgf_linestyle(pgf_thickness_scaling(sp), axis[:foreground_color_border], 1.0), "}"))
+        push!(
+            style,
+            string(
+                letter,
+                " axis line style = {",
+                pgf_linestyle(
+                    pgf_thickness_scaling(sp),
+                    axis[:foreground_color_border],
+                    1.0,
+                ),
+                "}",
+            ),
+        )
     end
 
     # return the style list and KW args
@@ -428,7 +531,6 @@ end
 
 # ----------------------------------------------------------------
 
-
 function _update_plot_object(plt::Plot{PGFPlotsBackend})
     plt.o = PGFPlots.Axis[]
     # Obtain the total height of the plot by extracting the maximal bottom
@@ -436,13 +538,13 @@ function _update_plot_object(plt::Plot{PGFPlotsBackend})
     total_height = bottom(bbox(plt.layout))
 
     for sp in plt.subplots
-       # first build the PGFPlots.Axis object
+        # first build the PGFPlots.Axis object
         style = ["unbounded coords=jump"]
         kw = KW()
 
         # add to style/kw for each axis
         for letter in (:x, :y, :z)
-            if letter != :z || is3d(sp)
+            if letter != :z || RecipesPipeline.is3d(sp)
                 axisstyle, axiskw = pgf_axis(sp, letter)
                 append!(style, axisstyle)
                 merge!(kw, axiskw)
@@ -454,21 +556,37 @@ function _update_plot_object(plt::Plot{PGFPlotsBackend})
         # A round on 2 decimal places should be enough precision for 300 dpi
         # plots.
         bb = bbox(sp)
-        push!(style, """
-            xshift = $(left(bb).value)mm,
-            yshift = $(round((total_height - (bottom(bb))).value, digits=2))mm,
-            axis background/.style={fill=$(pgf_color(sp[:background_color_inside])[1])}
-        """)
+        push!(
+            style,
+            """
+    xshift = $(left(bb).value)mm,
+    yshift = $(round((total_height - (bottom(bb))).value, digits=2))mm,
+    axis background/.style={fill=$(pgf_color(sp[:background_color_inside])[1])}
+""",
+        )
         kw[:width] = "$(width(bb).value)mm"
         kw[:height] = "$(height(bb).value)mm"
 
         if sp[:title] != ""
             kw[:title] = "$(sp[:title])"
             cstr, α = pgf_color(plot_color(sp[:titlefontcolor]))
-            push!(style, string("title style = {font = ", pgf_font(sp[:titlefontsize], pgf_thickness_scaling(sp)), ", color = ", cstr, ", draw opacity = ", α, ", rotate = ", sp[:titlefontrotation], "}"))
+            push!(
+                style,
+                string(
+                    "title style = {font = ",
+                    pgf_font(sp[:titlefontsize], pgf_thickness_scaling(sp)),
+                    ", color = ",
+                    cstr,
+                    ", draw opacity = ",
+                    α,
+                    ", rotate = ",
+                    sp[:titlefontrotation],
+                    "}",
+                ),
+            )
         end
 
-        if sp[:aspect_ratio] in (1, :equal)
+        if get_aspect_ratio(sp) in (1, :equal)
             kw[:axisEqual] = "true"
         end
 
@@ -476,13 +594,33 @@ function _update_plot_object(plt::Plot{PGFPlotsBackend})
         if haskey(_pgfplots_legend_pos, legpos)
             kw[:legendPos] = _pgfplots_legend_pos[legpos]
         end
-        cstr, a = pgf_color(plot_color(sp[:background_color_legend]))
-        push!(style, string("legend style = {", pgf_linestyle(pgf_thickness_scaling(sp), sp[:foreground_color_legend], 1.0, "solid"), ",", "fill = $cstr,", "font = ", pgf_font(sp[:legendfontsize], pgf_thickness_scaling(sp)), "}"))
+        cstr, bg_alpha = pgf_color(plot_color(sp[:background_color_legend]))
+        fg_alpha = alpha(plot_color(sp[:foreground_color_legend]))
+
+        push!(
+            style,
+            string(
+                "legend style = {",
+                pgf_linestyle(
+                    pgf_thickness_scaling(sp),
+                    sp[:foreground_color_legend],
+                    fg_alpha,
+                    "solid",
+                ),
+                ",",
+                "fill = $cstr,",
+                "fill opacity = $bg_alpha,",
+                "text opacity = $(alpha(plot_color(sp[:legendfontcolor]))),",
+                "font = ",
+                pgf_font(sp[:legendfontsize], pgf_thickness_scaling(sp)),
+                "}",
+            ),
+        )
 
         if any(s[:seriestype] == :contour for s in series_list(sp))
             kw[:view] = "{0}{90}"
             kw[:colorbar] = !(sp[:colorbar] in (:none, :off, :hide, false))
-        elseif is3d(sp)
+        elseif RecipesPipeline.is3d(sp)
             azim, elev = sp[:camera]
             kw[:view] = "{$(azim)}{$(elev)}"
         end
@@ -508,7 +646,10 @@ function _update_plot_object(plt::Plot{PGFPlotsBackend})
         for series in series_list(sp)
             for col in (:markercolor, :fillcolor, :linecolor)
                 if typeof(series.plotattributes[col]) == ColorGradient
-                    push!(style,"colormap={plots}{$(pgf_colormap(series.plotattributes[col]))}")
+                    push!(
+                        style,
+                        "colormap={plots}{$(pgf_colormap(series.plotattributes[col]))}",
+                    )
 
                     if sp[:colorbar] == :none
                         kw[:colorbar] = "false"
@@ -531,17 +672,26 @@ function _update_plot_object(plt::Plot{PGFPlotsBackend})
 
             # add series annotations
             anns = series[:series_annotations]
-            for (xi,yi,str,fnt) in EachAnn(anns, series[:x], series[:y])
-                pgf_add_annotation!(o, xi, yi, PlotText(str, fnt), pgf_thickness_scaling(series))
+            for (xi, yi, str, fnt) in EachAnn(anns, series[:x], series[:y])
+                pgf_add_annotation!(
+                    o,
+                    xi,
+                    yi,
+                    PlotText(str, fnt),
+                    pgf_thickness_scaling(series),
+                )
             end
         end
 
         # add the annotations
         for ann in sp[:annotations]
-            pgf_add_annotation!(o, locate_annotation(sp, ann...)..., pgf_thickness_scaling(sp))
+            pgf_add_annotation!(
+                o,
+                locate_annotation(sp, ann...)...,
+                pgf_thickness_scaling(sp),
+            )
         end
 
-
         # add the PGFPlots.Axis to the list
         push!(plt.o, o)
     end
@@ -556,7 +706,7 @@ function _show(io::IO, mime::MIME"application/pdf", plt::Plot{PGFPlotsBackend})
     pgfplt = PGFPlots.plot(plt.o)
 
     # save a pdf
-    fn = tempname()*".pdf"
+    fn = tempname() * ".pdf"
     PGFPlots.save(PGFPlots.PDF(fn), pgfplt)
 
     # read it into io
@@ -567,8 +717,12 @@ function _show(io::IO, mime::MIME"application/pdf", plt::Plot{PGFPlotsBackend})
 end
 
 function _show(io::IO, mime::MIME"application/x-tex", plt::Plot{PGFPlotsBackend})
-    fn = tempname()*".tex"
-    PGFPlots.save(fn, backend_object(plt), include_preamble=plt.attr[:tex_output_standalone])
+    fn = tempname() * ".tex"
+    PGFPlots.save(
+        fn,
+        backend_object(plt),
+        include_preamble = plt.attr[:tex_output_standalone],
+    )
     write(io, read(open(fn), String))
 end
 

src/backends/gaston.jl

@@ -0,0 +1,607 @@
+# https://github.com/mbaz/Gaston.
+
+# --------------------------------------------
+# These functions are called by Plots
+# --------------------------------------------
+
+# Create the window/figure for this backend.
+function _create_backend_figure(plt::Plot{GastonBackend})
+    state_handle = Gaston.nexthandle() # for now all the figures will be kept
+    plt.o = Gaston.newfigure(state_handle)
+end
+
+function _before_layout_calcs(plt::Plot{GastonBackend})
+    # Initialize all the subplots first
+    plt.o.subplots = Gaston.SubPlot[]
+
+    n1 = n2 = 0
+    if length(plt.inset_subplots) > 0
+        n1, sps = gaston_get_subplots(0, plt.inset_subplots, plt.layout)
+        gaston_init_subplots(plt, sps)
+    end
+
+    if length(plt.subplots) > 0
+        n2, sps = gaston_get_subplots(0, plt.subplots, plt.layout)
+    end
+
+    if (n = n1 + n2) != length(plt.subplots)
+        @error "Gaston: $n != $(length(plt.subplots))"
+    end
+
+    plt.o.layout = gaston_init_subplots(plt, sps)
+
+    # Then add the series (curves in gaston)
+    for series in plt.series_list
+        gaston_add_series(plt, series)
+    end
+
+    for sp in plt.subplots
+        sp === nothing && continue
+        for ann in sp[:annotations]
+            x, y, val = locate_annotation(sp, ann...)
+            sp.o.axesconf *= "\nset label '$(val.str)' at $x,$y $(gaston_font(val.font))"
+        end
+    end
+    nothing
+end
+
+function _update_min_padding!(sp::Subplot{GastonBackend})
+    sp.minpad = 0mm, 0mm, 0mm, 0mm
+    nothing
+end
+
+function _update_plot_object(plt::Plot{GastonBackend})
+    # respect the layout ratio
+    dat = gaston_multiplot_pos_size(plt.layout, (0, 0, 1, 1))
+    gaston_multiplot_pos_size!(dat)
+    nothing
+end
+
+for (mime, term) in (
+    "application/eps"        => "epscairo",
+    "image/eps"              => "epslatex",
+    "application/pdf"        => "pdfcairo",
+    "application/postscript" => "postscript",
+    "image/png"              => "png",
+    "image/svg+xml"          => "svg",
+    "text/latex"             => "tikz",
+    "application/x-tex"      => "epslatex",
+    "text/plain"             => "dumb",
+)
+    @eval function _show(io::IO, ::MIME{Symbol($mime)}, plt::Plot{GastonBackend})
+        term = String($term)
+        tmpfile = "$(Gaston.tempname()).$term"
+
+        Gaston.save(
+            term = term,
+            output = tmpfile,
+            handle = plt.o.handle,
+            saveopts = gaston_saveopts(plt),
+        )
+        while !isfile(tmpfile)
+        end  # avoid race condition with read in next line
+        write(io, read(tmpfile))
+        rm(tmpfile, force = true)
+        nothing
+    end
+end
+
+_display(plt::Plot{GastonBackend}) = display(plt.o)
+
+# --------------------------------------------
+# These functions are gaston specific
+# --------------------------------------------
+
+function gaston_saveopts(plt::Plot{GastonBackend})
+    saveopts = String["size $(join(plt.attr[:size], ","))"]
+
+    push!(
+        saveopts,
+        gaston_font(
+            plottitlefont(plt),
+            rot = false,
+            align = false,
+            color = false,
+            scale = 1,
+        ),
+    )
+
+    push!(saveopts, "background $(gaston_color(plt.attr[:background_color]))")
+
+    # push!(saveopts, "title '$(plt.attr[:window_title])'")
+
+    # Scale all plot elements to match Plots.jl DPI standard
+    scaling = plt.attr[:dpi] / Plots.DPI
+    push!(saveopts, "fontscale $scaling lw $scaling dl $scaling ps $scaling")
+
+    return join(saveopts, " ")
+end
+
+function gaston_get_subplots(n, plt_subplots, layout)
+    nr, nc = size(layout)
+    sps = Array{Any}(nothing, nr, nc)
+    for r in 1:nr, c in 1:nc  # NOTE: col major
+        l = layout[r, c]
+        if l isa GridLayout
+            n, sub = gaston_get_subplots(n, plt_subplots, l)
+            sps[r, c] = size(sub) == (1, 1) ? only(sub) : sub
+        else
+            sps[r, c] = get(l.attr, :blank, false) ? nothing : plt_subplots[n += 1]
+        end
+    end
+    return n, sps
+end
+
+function gaston_init_subplots(plt, sps)
+    sz = nr, nc = size(sps)
+    for c in 1:nc, r in 1:nr  # NOTE: row major
+        sp = sps[r, c]
+        if sp isa Subplot || sp === nothing
+            gaston_init_subplot(plt, sp)
+        else
+            gaston_init_subplots(plt, sp)
+            sz = max.(sz, size(sp))
+        end
+    end
+    return sz
+end
+
+function gaston_init_subplot(
+    plt::Plot{GastonBackend},
+    sp::Union{Nothing,Subplot{GastonBackend}},
+)
+    if sp === nothing
+        push!(plt.o.subplots, sp)
+    else
+        dims =
+            RecipesPipeline.is3d(sp) ||
+            sp.attr[:projection] == "3d" ||
+            needs_any_3d_axes(sp) ? 3 : 2
+        any_label = false
+        for series in series_list(sp)
+            if dims == 2 && series[:seriestype] ∈ (:heatmap, :contour)
+                dims = 3  # we need heatmap/contour to use splot, not plot
+            end
+            any_label |= should_add_to_legend(series)
+        end
+        sp.o = Gaston.Plot(
+            dims = dims,
+            curves = [],
+            axesconf = gaston_parse_axes_args(plt, sp, dims, any_label),
+        )
+        push!(plt.o.subplots, sp.o)
+    end
+    nothing
+end
+
+function gaston_multiplot_pos_size(layout, parent_xy_wh)
+    nr, nc = size(layout)
+    dat = Array{Any}(nothing, nr, nc)
+    for r in 1:nr, c in 1:nc
+        l = layout[r, c]
+        # width and height (pct) are multiplicative (parent)
+        w = layout.widths[c].value * parent_xy_wh[3]
+        h = layout.heights[r].value * parent_xy_wh[4]
+        if isa(l, EmptyLayout)
+            dat[r, c] = (c - 1) * w, (r - 1) * h, w, h, nothing
+        else
+            # previous position (origin)
+            prev_r = r > 1 ? dat[r - 1, c] : nothing
+            prev_c = c > 1 ? dat[r, c - 1] : nothing
+            prev_r isa Array && (prev_r = prev_r[end, end])
+            prev_c isa Array && (prev_c = prev_c[end, end])
+            x = prev_c !== nothing ? prev_c[1] + prev_c[3] : parent_xy_wh[1]
+            y = prev_r !== nothing ? prev_r[2] + prev_r[4] : parent_xy_wh[2]
+            if l isa GridLayout
+                sub = gaston_multiplot_pos_size(l, (x, y, w, h))
+                dat[r, c] = size(sub) == (1, 1) ? only(sub) : sub
+            else
+                dat[r, c] = x, y, w, h, l
+            end
+        end
+    end
+    return dat
+end
+
+function gaston_multiplot_pos_size!(dat)
+    nr, nc = size(dat)
+    for r in 1:nr, c in 1:nc
+        xy_wh_sp = dat[r, c]
+        if xy_wh_sp isa Array
+            gaston_multiplot_pos_size!(xy_wh_sp)
+        elseif xy_wh_sp isa Tuple
+            x, y, w, h, sp = xy_wh_sp
+            sp === nothing && continue
+            sp.o === nothing && continue
+            # gnuplot screen coordinates: bottom left at 0,0 and top right at 1,1
+            sp.o.axesconf = "set origin $x, $(1 - y - h)\nset size $w, $h\n" * sp.o.axesconf
+        end
+    end
+    nothing
+end
+
+function gaston_add_series(plt::Plot{GastonBackend}, series::Series)
+    sp = series[:subplot]
+    gsp = sp.o
+    x, y, z = series[:x], series[:y], series[:z]
+    st = series[:seriestype]
+    curves = []
+    if gsp.dims == 2 && z === nothing
+        for (n, seg) in enumerate(series_segments(series, st; check = true))
+            i, rng = seg.attr_index, seg.range
+            fr = _cycle(series[:fillrange], 1:length(x[rng]))
+            for sc in gaston_seriesconf!(sp, series, i, n == 1)
+                push!(curves, Gaston.Curve(x[rng], y[rng], nothing, fr, sc))
+            end
+        end
+    else
+        if z isa Surface
+            z = z.surf
+            if st == :image
+                z = reverse(Float32.(Gray.(z)), dims = 1)  # flip y axis
+                nr, nc = size(z)
+                if (ly = length(y)) == 2 && ly != nr
+                    y = collect(range(y[1], y[2], length = nr))
+                end
+                if (lx = length(x)) == 2 && lx != nc
+                    x = collect(range(x[1], x[2], length = nc))
+                end
+            elseif st == :heatmap
+                length(x) == size(z, 2) + 1 && (x = @view x[1:(end - 1)])
+                length(y) == size(z, 1) + 1 && (y = @view y[1:(end - 1)])
+            end
+        end
+        if st == :mesh3d
+            x, y, z = mesh3d_triangles(x, y, z, series[:connections])
+        end
+        for sc in gaston_seriesconf!(sp, series, 1, true)
+            push!(curves, Gaston.Curve(x, y, z, nothing, sc))
+        end
+    end
+
+    for c in curves
+        append = length(gsp.curves) > 0
+        push!(gsp.curves, c)
+        Gaston.write_data(c, gsp.dims, gsp.datafile, append = append)
+    end
+    nothing
+end
+
+function gaston_seriesconf!(
+    sp::Subplot{GastonBackend},
+    series::Series,
+    i::Int,
+    add_to_legend::Bool,
+)
+    #=
+    gnuplot abbreviations (see gnuplot/src/set.c)
+    ---------------------------------------------
+    dl: dashlength
+    dt: dashtype
+    fc: fillcolor
+    fs: fillstyle
+    lc: linecolor
+    lp: linespoints
+    ls: linestyle
+    lt: linetype
+    lw: linewidth
+    pi: pointinterval
+    pn: pointnumber
+    ps: pointscale
+    pt: pointtype
+    tc: textcolor
+    w: with 
+    =#
+    gsp = sp.o
+    st = series[:seriestype]
+    extra = []
+    add_to_legend &= should_add_to_legend(series)
+    curveconf = String[add_to_legend ? "title '$(series[:label])'" : "notitle"]
+
+    clims = get_clims(sp, series)
+    if st ∈ (:scatter, :scatter3d)
+        lc, dt, lw = gaston_lc_ls_lw(series, clims, i)
+        pt, ps, mc = gaston_mk_ms_mc(series, clims, i)
+        push!(curveconf, "w points pt $pt ps $ps lc $mc")
+    elseif st ∈ (:path, :straightline, :path3d)
+        fr = series[:fillrange]
+        fc = gaston_color(get_fillcolor(series, i), get_fillalpha(series, i))
+        lc, dt, lw = gaston_lc_ls_lw(series, clims, i)
+        if fr !== nothing # filled curves, but not filled curves with markers 
+            push!(
+                curveconf,
+                "w filledcurves fc $fc fs solid border lc $lc lw $lw dt $dt,'' w lines lc $lc lw $lw dt $dt",
+            )
+        elseif series[:markershape] == :none  # simplepath
+            push!(curveconf, "w lines lc $lc dt $dt lw $lw")
+        else
+            pt, ps, mc = gaston_mk_ms_mc(series, clims, i)
+            push!(curveconf, "w lp lc $mc dt $dt lw $lw pt $pt ps $ps")
+        end
+    elseif st == :shape
+        fc = gaston_color(get_fillcolor(series, i), get_fillalpha(series, i))
+        lc, _ = gaston_lc_ls_lw(series, clims, i)
+        push!(curveconf, "w filledcurves fc $fc fs solid border lc $lc")
+    elseif st ∈ (:steppre, :stepmid, :steppost)
+        step = if st == :steppre
+            "fsteps"
+        elseif st == :stepmid
+            "histeps"
+        elseif st == :steppost
+            "steps"
+        end
+        push!(curveconf, "w $step")
+        lc, dt, lw = gaston_lc_ls_lw(series, clims, i)
+        push!(extra, "w points lc $lc dt $dt lw $lw notitle")
+    elseif st == :image
+        palette = gaston_palette(series[:seriescolor])
+        gsp.axesconf *= "\nset palette model RGB defined $palette"
+        push!(curveconf, "w image pixels")
+    elseif st ∈ (:contour, :contour3d)
+        push!(curveconf, "w lines")
+        st == :contour && (gsp.axesconf *= "\nset view map\nunset surface")  # 2D
+        levels = join(map(string, collect(contour_levels(series, clims))), ", ")
+        gsp.axesconf *= "\nset contour base\nset cntrparam levels discrete $levels"
+    elseif st ∈ (:surface, :heatmap)
+        push!(curveconf, "w pm3d")
+        palette = gaston_palette(series[:seriescolor])
+        gsp.axesconf *= "\nset palette model RGB defined $palette"
+        st == :heatmap && (gsp.axesconf *= "\nset view map")
+    elseif st ∈ (:wireframe, :mesh3d)
+        lc, dt, lw = gaston_lc_ls_lw(series, clims, i)
+        push!(curveconf, "w lines lc $lc dt $dt lw $lw")
+    elseif st == :quiver
+        push!(curveconf, "w vectors filled")
+    else
+        @warn "Gaston: $st is not implemented yet"
+    end
+
+    return [join(curveconf, " "), extra...]
+end
+
+function gaston_parse_axes_args(
+    plt::Plot{GastonBackend},
+    sp::Subplot{GastonBackend},
+    dims::Int,
+    any_label::Bool,
+)
+    # axesconf = String["set margins 2, 2, 2, 2"]  # left, right, bottom, top
+    axesconf = String[]
+
+    polar = ispolar(sp) && dims == 2  # cannot splot in polar coordinates
+
+    for letter in (:x, :y, :z)
+        (letter == :z && dims == 2) && continue
+        axis = sp.attr[get_attr_symbol(letter, :axis)]
+        # label names
+        push!(
+            axesconf,
+            "set $(letter)label '$(axis[:guide])' $(gaston_font(guidefont(axis)))",
+        )
+        mirror = axis[:mirror] ? "mirror" : "nomirror"
+
+        if axis[:scale] == :identity
+            logscale, base = "nologscale", ""
+        elseif axis[:scale] == :log10
+            logscale, base = "logscale", "10"
+        elseif axis[:scale] == :log2
+            logscale, base = "logscale", "2"
+        elseif axis[:scale] == :ln
+            logscale, base = "logscale", "e"
+        end
+        push!(axesconf, "set $logscale $letter $base")
+
+        # handle ticks
+        if polar
+            push!(axesconf, "set size square\nunset $(letter)tics")
+        else
+            push!(
+                axesconf,
+                "set $(letter)tics $(mirror) $(axis[:tick_direction]) $(gaston_font(tickfont(axis)))",
+            )
+
+            # major tick locations
+            if axis[:ticks] != :native
+                if axis[:flip]
+                    hi, lo = axis_limits(sp, letter)
+                else
+                    lo, hi = axis_limits(sp, letter)
+                end
+                push!(axesconf, "set $(letter)range [$lo:$hi]")
+
+                ticks = get_ticks(sp, axis)
+                gaston_set_ticks!(axesconf, ticks, letter, "", "")
+
+                if axis[:minorticks] != :native
+                    minor_ticks = get_minor_ticks(sp, axis, ticks)
+                    gaston_set_ticks!(axesconf, minor_ticks, letter, "m", "add")
+                end
+            end
+        end
+
+        if axis[:grid]
+            push!(axesconf, "set grid " * (polar ? "polar" : "$(letter)tics"))
+            axis[:minorgrid] &&
+                push!(axesconf, "set grid " * (polar ? "polar" : "m$(letter)tics"))
+        end
+
+        ratio = get_aspect_ratio(sp)
+        if ratio != :none
+            ratio == :equal && (ratio = -1)
+            push!(axesconf, "set size ratio $ratio")
+        end
+    end
+    gaston_set_legend!(axesconf, sp, any_label)
+
+    if hascolorbar(sp)
+        push!(axesconf, "set cbtics $(gaston_font(colorbartitlefont(sp)))")
+    end
+
+    if sp[:title] !== nothing
+        push!(axesconf, "set title '$(sp[:title])' $(gaston_font(titlefont(sp)))")
+    end
+
+    if polar
+        push!(axesconf, "unset border\nset polar\nset border polar")
+        tmin, tmax = axis_limits(sp, :x, false, false)
+        rmin, rmax = axis_limits(sp, :y, false, false)
+        rticks = get_ticks(sp, :y)
+        if (ttype = ticksType(rticks)) == :ticks
+            gaston_ticks = string.(rticks)
+        elseif ttype == :ticks_and_labels
+            gaston_ticks = String["'$l' $t" for (t, l) in zip(rticks...)]
+        end
+        push!(
+            axesconf,
+            "set rtics ( " *
+            join(gaston_ticks, ", ") *
+            " ) $(gaston_font(tickfont(sp.attr[:yaxis])))",
+        )
+        push!(axesconf, "set trange [$(min(0, tmin)):$(max(2π, tmax))]")
+        push!(axesconf, "set rrange [$rmin:$rmax]")
+        push!(
+            axesconf,
+            "set ttics 0,30 format \"%g\".GPVAL_DEGREE_SIGN $(gaston_font(tickfont(sp.attr[:xaxis])))",
+        )
+        push!(axesconf, "set mttics 3")
+    end
+
+    return join(axesconf, "\n")
+end
+
+function gaston_set_ticks!(axesconf, ticks, letter, maj_min, add)
+    ticks == :auto && return
+    if ticks ∈ (:none, nothing, false)
+        push!(axesconf, "unset $(maj_min)$(letter)tics")
+        return
+    end
+
+    gaston_ticks = String[]
+    if (ttype = ticksType(ticks)) == :ticks
+        tick_locs = @view ticks[:]
+        for i in eachindex(tick_locs)
+            tick = if maj_min == "m"
+                "'' $(tick_locs[i]) 1"  # see gnuplot manual 'Mxtics'
+            else
+                "$(tick_locs[i])"
+            end
+            push!(gaston_ticks, tick)
+        end
+    elseif ttype == :ticks_and_labels
+        tick_locs = @view ticks[1][:]
+        tick_labels = @view ticks[2][:]
+        for i in eachindex(tick_locs)
+            lab = gaston_enclose_tick_string(tick_labels[i])
+            push!(gaston_ticks, "'$lab' $(tick_locs[i])")
+        end
+    else
+        gaston_ticks = nothing
+        @error "Gaston: invalid input for $(maj_min)$(letter)ticks: $ticks"
+    end
+    if gaston_ticks !== nothing
+        push!(axesconf, "set $(letter)tics $add (" * join(gaston_ticks, ", ") * ")")
+    end
+    nothing
+end
+
+function gaston_set_legend!(axesconf, sp, any_label)
+    leg = sp[:legend]
+    if sp[:legend] ∉ (:none, :inline) && any_label
+        leg == :best && (leg = :topright)
+
+        push!(
+            axesconf,
+            "set key " * (occursin("outer", string(leg)) ? "outside" : "inside"),
+        )
+        for position in ("top", "bottom", "left", "right")
+            occursin(position, string(leg)) && push!(axesconf, "set key $position")
+        end
+        push!(axesconf, "set key $(gaston_font(legendfont(sp), rot=false, align=false))")
+        if sp[:legendtitle] !== nothing
+            # NOTE: cannot use legendtitlefont(sp) as it will override legendfont
+            push!(axesconf, "set key title '$(sp[:legendtitle])'")
+        end
+        push!(axesconf, "set key box lw 1 opaque")
+        push!(axesconf, "set border back")
+    else
+        push!(axesconf, "set key off")
+    end
+    nothing
+end
+
+# --------------------------------------------
+# Helpers
+# --------------------------------------------
+
+gaston_halign(k) = (left = :left, hcenter = :center, right = :right)[k]
+gaston_valign(k) = (top = :top, vcenter = :center, bottom = :bottom)[k]
+
+gaston_alpha(alpha) = alpha === nothing ? 0 : alpha
+
+gaston_lc_ls_lw(series::Series, clims, i::Int) = (
+    gaston_color(get_linecolor(series, clims, i), get_linealpha(series, i)),
+    gaston_linestyle(get_linestyle(series, i)),
+    get_linewidth(series, i),
+)
+
+gaston_mk_ms_mc(series::Series, clims, i::Int) = (
+    gaston_marker(_cycle(series[:markershape], i), get_markeralpha(series, i)),
+    _cycle(series[:markersize], i) * 1.3 / 5,
+    gaston_color(get_markercolor(series, clims, i), get_markeralpha(series, i)),
+)
+
+function gaston_font(f; rot = true, align = true, color = true, scale = 1)
+    font = String["font '$(f.family),$(round(Int, scale * f.pointsize))'"]
+    align && push!(font, "$(gaston_halign(f.halign))")
+    rot && push!(font, "rotate by $(f.rotation)")
+    color && push!(font, "textcolor $(gaston_color(f.color))")
+    return join(font, " ")
+end
+
+function gaston_palette(gradient)
+    palette = String[]
+    n = -1
+    for rgba in gradient  # FIXME: naive conversion, inefficient ?
+        push!(palette, "$(n += 1) $(rgba.r) $(rgba.g) $(rgba.b)")
+    end
+    return '(' * join(palette, ", ") * ')'
+end
+
+function gaston_marker(marker, alpha)
+    # NOTE: :rtriangle, :ltriangle, :hexagon, :heptagon, :octagon seems unsupported by gnuplot
+    filled = gaston_alpha(alpha) == 0
+    marker == :none && return -1
+    marker == :pixel && return 0
+    marker ∈ (:+, :cross) && return 1
+    marker ∈ (:x, :xcross) && return 2
+    marker == :star5 && return 3
+    marker == :rect && return filled ? 5 : 4
+    marker == :circle && return filled ? 7 : 6
+    marker == :utriangle && return filled ? 9 : 8
+    marker == :dtriangle && return filled ? 11 : 10
+    marker == :diamond && return filled ? 13 : 12
+    marker == :pentagon && return filled ? 15 : 14
+
+    @warn "Gaston: unsupported marker $marker"
+    return 1
+end
+
+function gaston_color(col, alpha = 0)
+    col = single_color(col)  # in case of gradients
+    col = alphacolor(col, gaston_alpha(alpha))  # add a default alpha if non existent
+    return "rgb '#$(hex(col, :aarrggbb))'"
+end
+
+function gaston_linestyle(style)
+    style == :solid && return "1"
+    style == :dash && return "2"
+    style == :dot && return "3"
+    style == :dashdot && return "4"
+    style == :dashdotdot && return "5"
+end
+
+function gaston_enclose_tick_string(tick_string)
+    findfirst("^", tick_string) === nothing && return tick_string
+    base, power = split(tick_string, "^")
+    return "$base^{$power}"
+end

src/backends/inspectdr.jl

@@ -17,9 +17,6 @@ Add in functionality to Plots.jl:
 
 is_marker_supported(::InspectDRBackend, shape::Shape) = true
 
-_inspectdr_to_pixels(bb::BoundingBox) =
-    InspectDR.BoundingBox(to_pixels(left(bb)), to_pixels(right(bb)), to_pixels(top(bb)), to_pixels(bottom(bb)))
-
 #Do we avoid Map to avoid possible pre-comile issues?
 function _inspectdr_mapglyph(s::Symbol)
     s == :rect && return :square
@@ -47,16 +44,16 @@ _inspectdr_mapcolor(v::Colorant) = v
 function _inspectdr_mapcolor(g::PlotUtils.ColorGradient)
     @warn("Color gradients are currently unsupported in InspectDR.")
     #Pick middle color:
-    _inspectdr_mapcolor(g.colors[div(1+end,2)])
+    _inspectdr_mapcolor(g.colors[div(1 + end, 2)])
 end
 function _inspectdr_mapcolor(v::AVec)
     @warn("Vectors of colors are currently unsupported in InspectDR.")
     #Pick middle color:
-    _inspectdr_mapcolor(v[div(1+end,2)])
+    _inspectdr_mapcolor(v[div(1 + end, 2)])
 end
 
 #Hack: suggested point size does not seem adequate relative to plot size, for some reason.
-_inspectdr_mapptsize(v) = 1.5*v
+_inspectdr_mapptsize(v) = 1.5 * v
 
 function _inspectdr_add_annotations(plot, x, y, val)
     #What kind of annotation is this?
@@ -64,14 +61,21 @@ end
 
 #plot::InspectDR.Plot2D
 function _inspectdr_add_annotations(plot, x, y, val::PlotText)
-    vmap = Dict{Symbol, Symbol}(:top=>:t, :bottom=>:b) #:vcenter
-    hmap = Dict{Symbol, Symbol}(:left=>:l, :right=>:r) #:hcenter
+    vmap = Dict{Symbol,Symbol}(:top => :t, :bottom => :b) #:vcenter
+    hmap = Dict{Symbol,Symbol}(:left => :l, :right => :r) #:hcenter
     align = Symbol(get(vmap, val.font.valign, :c), get(hmap, val.font.halign, :c))
-    fnt = InspectDR.Font(val.font.family, val.font.pointsize,
-        color =_inspectdr_mapcolor(val.font.color)
+    fnt = InspectDR.Font(
+        val.font.family,
+        val.font.pointsize,
+        color = _inspectdr_mapcolor(val.font.color),
     )
-    ann = InspectDR.atext(val.str, x=x, y=y,
-        font=fnt, angle=val.font.rotation, align=align
+    ann = InspectDR.atext(
+        val.str,
+        x = x,
+        y = y,
+        font = fnt,
+        angle = val.font.rotation,
+        align = align,
     )
     InspectDR.add(plot, ann)
     return
@@ -79,9 +83,63 @@ end
 
 # ---------------------------------------------------------------------------
 
+function _inspectdr_getaxisticks(ticks, gridlines, xfrm)
+    TickCustom = InspectDR.TickCustom
+    _xfrm(coord) = InspectDR.axis2aloc(Float64(coord), xfrm.spec) #Ensure Float64 - in case
+
+    ttype = ticksType(ticks)
+    if ticks == :native
+        #keep current
+    elseif ttype == :ticks_and_labels
+        pos = ticks[1]
+        labels = ticks[2]
+        nticks = length(ticks[1])
+        newticks = TickCustom[TickCustom(_xfrm(pos[i]), labels[i]) for i in 1:nticks]
+        gridlines = InspectDR.GridLinesCustom(gridlines)
+        gridlines.major = newticks
+        gridlines.minor = []
+        gridlines.displayminor = false
+    elseif ttype == :ticks
+        nticks = length(ticks)
+        gridlines.major = Float64[_xfrm(t) for t in ticks]
+        gridlines.minor = []
+        gridlines.displayminor = false
+    elseif isnothing(ticks)
+        gridlines.major = []
+        gridlines.minor = []
+    else #Assume ticks == :native
+        #keep current
+    end
+
+    return gridlines #keep current
+end
+
+function _inspectdr_setticks(sp::Subplot, plot, strip, xaxis, yaxis)
+    InputXfrm1D = InspectDR.InputXfrm1D
+    _get_ticks(axis) = :native == axis[:ticks] ? (:native) : get_ticks(sp, axis)
+    wantnative(ticks) = (:native == ticks)
+
+    xticks = _get_ticks(xaxis)
+    yticks = _get_ticks(yaxis)
+
+    if wantnative(xticks) && wantnative(yticks)
+        #Don't "eval" tick values
+        return
+    end
+
+    #TODO: Allow InspectDR to independently "eval" x or y ticks
+    ext = InspectDR.getextents_aloc(plot, 1)
+    grid = InspectDR._eval(strip.grid, plot.xscale, strip.yscale, ext)
+    grid.xlines = _inspectdr_getaxisticks(xticks, grid.xlines, InputXfrm1D(plot.xscale))
+    grid.ylines = _inspectdr_getaxisticks(yticks, grid.ylines, InputXfrm1D(strip.yscale))
+    strip.grid = grid
+end
+
+# ---------------------------------------------------------------------------
+
 function _inspectdr_getscale(s::Symbol, yaxis::Bool)
-#TODO: Support :asinh, :sqrt
-    kwargs = yaxis ? (:tgtmajor=>8, :tgtminor=>2) : () #More grid lines on y-axis
+    #TODO: Support :asinh, :sqrt
+    kwargs = yaxis ? (:tgtmajor => 8, :tgtminor => 2) : () #More grid lines on y-axis
     if :log2 == s
         return InspectDR.AxisScale(:log2; kwargs...)
     elseif :log10 == s
@@ -96,13 +154,12 @@ end
 # ---------------------------------------------------------------------------
 
 #Glyph used when plotting "Shape"s:
-INSPECTDR_GLYPH_SHAPE = InspectDR.GlyphPolyline(
-    2*InspectDR.GLYPH_SQUARE.x, InspectDR.GLYPH_SQUARE.y
-)
+INSPECTDR_GLYPH_SHAPE =
+    InspectDR.GlyphPolyline(2 * InspectDR.GLYPH_SQUARE.x, InspectDR.GLYPH_SQUARE.y)
 
 mutable struct InspecDRPlotRef
-    mplot::Union{Nothing, InspectDR.Multiplot}
-    gui::Union{Nothing, InspectDR.GtkPlot}
+    mplot::Union{Nothing,InspectDR.Multiplot}
+    gui::Union{Nothing,InspectDR.GtkPlot}
 end
 
 _inspectdr_getmplot(::Any) = nothing
@@ -121,9 +178,9 @@ function _create_backend_figure(plt::Plot{InspectDRBackend})
     gplot = _inspectdr_getgui(plt.o)
 
     #:overwrite_figure: want to reuse current figure
-    if plt[:overwrite_figure] && mplot != nothing
+    if plt[:overwrite_figure] && mplot !== nothing
         mplot.subplots = [] #Reset
-        if gplot != nothing #Ensure still references current plot
+        if gplot !== nothing #Ensure still references current plot
             gplot.src = mplot
         end
     else #want new one:
@@ -151,7 +208,9 @@ end
 function _initialize_subplot(plt::Plot{InspectDRBackend}, sp::Subplot{InspectDRBackend})
     plot = sp.o
     #Don't do anything without a "subplot" object:  Will process later.
-    if nothing == plot; return; end
+    if nothing == plot
+        return
+    end
     plot.data = []
     plot.userannot = [] #Clear old markers/text annotation/polyline "annotation"
     return plot
@@ -167,9 +226,12 @@ function _series_added(plt::Plot{InspectDRBackend}, series::Series)
     st = series[:seriestype]
     sp = series[:subplot]
     plot = sp.o
+    clims = get_clims(sp, series)
 
     #Don't do anything without a "subplot" object:  Will process later.
-    if nothing == plot; return; end
+    if nothing == plot
+        return
+    end
 
     _vectorize(v) = isa(v, Vector) ? v : collect(v) #InspectDR only supports vectors
     x, y = if st == :straightline
@@ -180,30 +242,33 @@ function _series_added(plt::Plot{InspectDRBackend}, series::Series)
 
     #No support for polar grid... but can still perform polar transformation:
     if ispolar(sp)
-        Θ = x; r = y
-        x = r.*cos.(Θ); y = r.*sin.(Θ)
+        Θ = x
+        r = y
+        x = r .* cos.(Θ)
+        y = r .* sin.(Θ)
     end
 
     # doesn't handle mismatched x/y - wrap data (pyplot behaviour):
-    nx = length(x); ny = length(y)
+    nx = length(x)
+    ny = length(y)
     if nx < ny
-        series[:x] = Float64[x[mod1(i,nx)] for i=1:ny]
+        series[:x] = Float64[x[mod1(i, nx)] for i in 1:ny]
     elseif ny > nx
-        series[:y] = Float64[y[mod1(i,ny)] for i=1:nx]
+        series[:y] = Float64[y[mod1(i, ny)] for i in 1:nx]
     end
 
-#= TODO: Eventually support
-    series[:fillcolor] #I think this is fill under line
-    zorder = series[:series_plotindex]
+    #= TODO: Eventually support
+        series[:fillcolor] #I think this is fill under line
+        zorder = series[:series_plotindex]
 
-For st in :shape:
-    zorder = series[:series_plotindex],
-=#
+    For st in :shape:
+        zorder = series[:series_plotindex],
+    =#
 
     if st in (:shape,)
         x, y = shape_data(series)
         nmax = 0
-        for (i,rng) in enumerate(iter_segments(x, y))
+        for (i, rng) in enumerate(iter_segments(x, y))
             nmax = i
             if length(rng) > 1
                 linewidth = series[:linewidth]
@@ -211,11 +276,12 @@ For st in :shape:
                 linecolor = _inspectdr_mapcolor(_cycle(c, i))
                 c = plot_color(get_fillcolor(series), get_fillalpha(series))
                 fillcolor = _inspectdr_mapcolor(_cycle(c, i))
-                line = InspectDR.line(
-                    style=:solid, width=linewidth, color=linecolor
-                )
+                line = InspectDR.line(style = :solid, width = linewidth, color = linecolor)
                 apline = InspectDR.PolylineAnnotation(
-                    x[rng], y[rng], line=line, fillcolor=fillcolor
+                    x[rng],
+                    y[rng],
+                    line = line,
+                    fillcolor = fillcolor,
                 )
                 InspectDR.add(plot, apline)
             end
@@ -228,21 +294,24 @@ For st in :shape:
             linecolor = _inspectdr_mapcolor(_cycle(c, i))
             c = plot_color(get_fillcolor(series), get_fillalpha(series))
             fillcolor = _inspectdr_mapcolor(_cycle(c, i))
-            wfrm = InspectDR.add(plot, Float64[], Float64[], id=series[:label])
+            wfrm = InspectDR.add(plot, Float64[], Float64[], id = series[:label])
             wfrm.line = InspectDR.line(
-                style=:none, width=linewidth, #linewidth affects glyph
+                style = :none,
+                width = linewidth, #linewidth affects glyph
             )
             wfrm.glyph = InspectDR.glyph(
-                shape = INSPECTDR_GLYPH_SHAPE, size = 8,
-                color = linecolor, fillcolor = fillcolor
+                shape = INSPECTDR_GLYPH_SHAPE,
+                size = 8,
+                color = linecolor,
+                fillcolor = fillcolor,
             )
         end
-   elseif st in (:path, :scatter, :straightline) #, :steppre, :steppost)
+    elseif st in (:path, :scatter, :straightline) #, :steppre, :stepmid, :steppost)
         #NOTE: In Plots.jl, :scatter plots have 0-linewidths (I think).
         linewidth = series[:linewidth]
         #More efficient & allows some support for markerstrokewidth:
-        _style = (0==linewidth ? :none : series[:linestyle])
-        wfrm = InspectDR.add(plot, x, y, id=series[:label])
+        _style = (0 == linewidth ? :none : series[:linestyle])
+        wfrm = InspectDR.add(plot, x, y, id = series[:label])
         wfrm.line = InspectDR.line(
             style = _style,
             width = series[:linewidth],
@@ -256,14 +325,18 @@ For st in :shape:
         wfrm.glyph = InspectDR.glyph(
             shape = _inspectdr_mapglyph(series[:markershape]),
             size = _inspectdr_mapglyphsize(series[:markersize]),
-            color = _inspectdr_mapcolor(plot_color(series[:markerstrokecolor], series[:markerstrokealpha])),
-            fillcolor = _inspectdr_mapcolor(plot_color(series[:markercolor], series[:markeralpha])),
+            color = _inspectdr_mapcolor(
+                plot_color(get_markerstrokecolor(series), get_markerstrokealpha(series)),
+            ),
+            fillcolor = _inspectdr_mapcolor(
+                plot_color(get_markercolor(series, clims), get_markeralpha(series)),
+            ),
         )
     end
 
     # this is all we need to add the series_annotations text
     anns = series[:series_annotations]
-    for (xi,yi,str,fnt) in EachAnn(anns, x, y)
+    for (xi, yi, str, fnt) in EachAnn(anns, x, y)
         _inspectdr_add_annotations(plot, xi, yi, PlotText(str, fnt))
     end
     return
@@ -283,72 +356,91 @@ function _inspectdr_setupsubplot(sp::Subplot{InspectDRBackend})
     plot = sp.o
     strip = plot.strips[1] #Only 1 strip supported with Plots.jl
 
-    xaxis = sp[:xaxis]; yaxis = sp[:yaxis]
+    xaxis = sp[:xaxis]
+    yaxis = sp[:yaxis]
     xgrid_show = xaxis[:grid]
     ygrid_show = yaxis[:grid]
 
     strip.grid = InspectDR.GridRect(
-    	vmajor=xgrid_show, # vminor=xgrid_show,
-    	hmajor=ygrid_show, # hminor=ygrid_show,
+        vmajor = xgrid_show, # vminor=xgrid_show,
+        hmajor = ygrid_show, # hminor=ygrid_show,
     )
 
-        plot.xscale = _inspectdr_getscale(xaxis[:scale], false)
-        strip.yscale = _inspectdr_getscale(yaxis[:scale], true)
-        xmin, xmax  = axis_limits(sp, :x)
-        ymin, ymax  = axis_limits(sp, :y)
-        if ispolar(sp)
-            #Plots.jl appears to give (xmin,xmax) ≜ (Θmin,Θmax) & (ymin,ymax) ≜ (rmin,rmax)
-            rmax = NaNMath.max(abs(ymin), abs(ymax))
-            xmin, xmax = -rmax, rmax
-            ymin, ymax = -rmax, rmax
-        end
-        plot.xext = InspectDR.PExtents1D() #reset
-        strip.yext = InspectDR.PExtents1D() #reset
-        plot.xext_full = InspectDR.PExtents1D(xmin, xmax)
-        strip.yext_full = InspectDR.PExtents1D(ymin, ymax)
-    a = plot.annotation
-        a.title = sp[:title]
-        a.xlabel = xaxis[:guide]; a.ylabels = [yaxis[:guide]]
+    plot.xscale = _inspectdr_getscale(xaxis[:scale], false)
+    strip.yscale = _inspectdr_getscale(yaxis[:scale], true)
+    xmin, xmax = axis_limits(sp, :x)
+    ymin, ymax = axis_limits(sp, :y)
+    if ispolar(sp)
+        #Plots.jl appears to give (xmin,xmax) ≜ (Θmin,Θmax) & (ymin,ymax) ≜ (rmin,rmax)
+        rmax = NaNMath.max(abs(ymin), abs(ymax))
+        xmin, xmax = -rmax, rmax
+        ymin, ymax = -rmax, rmax
+    end
+    plot.xext_full = InspectDR.PExtents1D(xmin, xmax)
+    strip.yext_full = InspectDR.PExtents1D(ymin, ymax)
+    #Set current extents = full extents (needed for _eval(strip.grid,...))
+    plot.xext = plot.xext_full
+    strip.yext = strip.yext_full
+    _inspectdr_setticks(sp, plot, strip, xaxis, yaxis)
 
-    l = plot.layout
-        l[:frame_canvas].fillcolor = _inspectdr_mapcolor(sp[:background_color_subplot])
-        l[:frame_data].fillcolor = _inspectdr_mapcolor(sp[:background_color_inside])
-        l[:frame_data].line.color = _inspectdr_mapcolor(xaxis[:foreground_color_axis])
-        l[:font_title] = InspectDR.Font(sp[:titlefontfamily],
-            _inspectdr_mapptsize(sp[:titlefontsize]),
-            color = _inspectdr_mapcolor(sp[:titlefontcolor])
-        )
-        #Cannot independently control fonts of axes with InspectDR:
-        l[:font_axislabel] = InspectDR.Font(xaxis[:guidefontfamily],
-            _inspectdr_mapptsize(xaxis[:guidefontsize]),
-            color = _inspectdr_mapcolor(xaxis[:guidefontcolor])
-        )
-        l[:font_ticklabel] = InspectDR.Font(xaxis[:tickfontfamily],
-            _inspectdr_mapptsize(xaxis[:tickfontsize]),
-            color = _inspectdr_mapcolor(xaxis[:tickfontcolor])
-        )
-        l[:enable_legend] = (sp[:legend] != :none)
-        #l[:halloc_legend] = 150 #TODO: compute???
-        l[:font_legend] = InspectDR.Font(sp[:legendfontfamily],
-            _inspectdr_mapptsize(sp[:legendfontsize]),
-            color = _inspectdr_mapcolor(sp[:legendfontcolor])
-        )
-        l[:frame_legend].fillcolor = _inspectdr_mapcolor(sp[:background_color_legend])
+    a = plot.annotation
+    a.title = sp[:title]
+    a.xlabel = xaxis[:guide]
+    a.ylabels = [yaxis[:guide]]
+
+    #Modify base layout of new object:
+    l = plot.layout.defaults = deepcopy(InspectDR.defaults.plotlayout)
+    #IMPORTANT: Must deepcopy to ensure we don't change layouts of other plots.
+    #Works because plot uses defaults (not user-overwritten `layout.values`)
+    l.frame_canvas.fillcolor = _inspectdr_mapcolor(sp[:background_color_subplot])
+    l.frame_data.fillcolor = _inspectdr_mapcolor(sp[:background_color_inside])
+    l.frame_data.line.color = _inspectdr_mapcolor(xaxis[:foreground_color_axis])
+    l.font_title = InspectDR.Font(
+        sp[:titlefontfamily],
+        _inspectdr_mapptsize(sp[:titlefontsize]),
+        color = _inspectdr_mapcolor(sp[:titlefontcolor]),
+    )
+    #Cannot independently control fonts of axes with InspectDR:
+    l.font_axislabel = InspectDR.Font(
+        xaxis[:guidefontfamily],
+        _inspectdr_mapptsize(xaxis[:guidefontsize]),
+        color = _inspectdr_mapcolor(xaxis[:guidefontcolor]),
+    )
+    l.font_ticklabel = InspectDR.Font(
+        xaxis[:tickfontfamily],
+        _inspectdr_mapptsize(xaxis[:tickfontsize]),
+        color = _inspectdr_mapcolor(xaxis[:tickfontcolor]),
+    )
+    l.enable_legend = (sp[:legend] != :none)
+    #l.halloc_legend = 150 #TODO: compute???
+    l.font_legend = InspectDR.Font(
+        sp[:legendfontfamily],
+        _inspectdr_mapptsize(sp[:legendfontsize]),
+        color = _inspectdr_mapcolor(sp[:legendfontcolor]),
+    )
+    l.frame_legend.fillcolor = _inspectdr_mapcolor(sp[:background_color_legend])
+
+    #_round!() ensures values use integer spacings (looks better on screen):
+    InspectDR._round!(InspectDR.autofit2font!(l, legend_width = 10.0)) #10 "em"s wide
+    return
 end
 
 # called just before updating layout bounding boxes... in case you need to prep
 # for the calcs
 function _before_layout_calcs(plt::Plot{InspectDRBackend})
     mplot = _inspectdr_getmplot(plt.o)
-    if nothing == mplot; return; end
+    if nothing == mplot
+        return
+    end
 
     mplot.title = plt[:plot_title]
     if "" == mplot.title
         #Don't use window_title... probably not what you want.
         #mplot.title = plt[:window_title]
     end
-    mplot.layout[:frame].fillcolor = _inspectdr_mapcolor(plt[:background_color_outside])
 
+    mplot.layout[:frame].fillcolor = _inspectdr_mapcolor(plt[:background_color_outside])
+    mplot.layout[:frame] = mplot.layout[:frame] #register changes
     resize!(mplot.subplots, length(plt.subplots))
     nsubplots = length(plt.subplots)
     for (i, sp) in enumerate(plt.subplots)
@@ -392,17 +484,19 @@ end
 # to fit ticks, tick labels, guides, colorbars, etc.
 function _update_min_padding!(sp::Subplot{InspectDRBackend})
     plot = sp.o
-    if !isa(plot, InspectDR.Plot2D); return sp.minpad; end
+    if !isa(plot, InspectDR.Plot2D)
+        return sp.minpad
+    end
     #Computing plotbounds with 0-BoundingBox returns required padding:
-    bb = InspectDR.plotbounds(plot.layout.values, InspectDR.BoundingBox(0,0,0,0))
+    bb = InspectDR.plotbounds(plot.layout.values, InspectDR.BoundingBox(0, 0, 0, 0))
     #NOTE: plotbounds always pads for titles, legends, etc. even if not in use.
     #TODO: possibly zero-out items not in use??
 
     # add in the user-specified margin to InspectDR padding:
-    leftpad   = abs(bb.xmin)*px + sp[:left_margin]
-    toppad    = abs(bb.ymin)*px + sp[:top_margin]
-    rightpad  = abs(bb.xmax)*px + sp[:right_margin]
-    bottompad = abs(bb.ymax)*px + sp[:bottom_margin]
+    leftpad   = abs(bb.xmin) * px + sp[:left_margin]
+    toppad    = abs(bb.ymin) * px + sp[:top_margin]
+    rightpad  = abs(bb.xmax) * px + sp[:right_margin]
+    bottompad = abs(bb.ymax) * px + sp[:bottom_margin]
     sp.minpad = (leftpad, toppad, rightpad, bottompad)
 end
 
@@ -411,16 +505,25 @@ end
 # Override this to update plot items (title, xlabel, etc), and add annotations (plotattributes[:annotations])
 function _update_plot_object(plt::Plot{InspectDRBackend})
     mplot = _inspectdr_getmplot(plt.o)
-    if nothing == mplot; return; end
+    if nothing == mplot
+        return
+    end
+    mplot.bblist = InspectDR.BoundingBox[]
 
     for (i, sp) in enumerate(plt.subplots)
-        graphbb = _inspectdr_to_pixels(plotarea(sp))
-        plot = mplot.subplots[i]
-        plot.plotbb = InspectDR.plotbounds(plot.layout.values, graphbb)
+        figw, figh = sp.plt[:size]
+        pcts = bbox_to_pcts(sp.bbox, figw * px, figh * px)
+        _left, _bottom, _width, _height = pcts
+        ymax = 1.0 - _bottom
+        ymin = ymax - _height
+        bb = InspectDR.BoundingBox(_left, _left + _width, ymin, ymax)
+        push!(mplot.bblist, bb)
     end
 
     gplot = _inspectdr_getgui(plt.o)
-    if nothing == gplot; return; end
+    if nothing == gplot
+        return
+    end
 
     gplot.src = mplot #Ensure still references current plot
     InspectDR.refresh(gplot)
@@ -429,29 +532,23 @@ end
 
 # ----------------------------------------------------------------
 
-const _inspectdr_mimeformats_dpi = Dict(
-    "image/png"               => "png"
-)
-const _inspectdr_mimeformats_nodpi = Dict(
-    "image/svg+xml"           => "svg",
-    "application/eps"         => "eps",
-    "image/eps"               => "eps",
-#    "application/postscript"  => "ps", #TODO: support once Cairo supports PSSurface
-    "application/pdf"         => "pdf"
-)
 _inspectdr_show(io::IO, mime::MIME, ::Nothing, w, h) =
     throw(ErrorException("Cannot show(::IO, ...) plot - not yet generated"))
 function _inspectdr_show(io::IO, mime::MIME, mplot, w, h)
     InspectDR._show(io, mime, mplot, Float64(w), Float64(h))
 end
 
-for (mime, fmt) in _inspectdr_mimeformats_dpi
-    @eval function _show(io::IO, mime::MIME{Symbol($mime)}, plt::Plot{InspectDRBackend})
-        dpi = plt[:dpi]#TODO: support
-        _inspectdr_show(io, mime, _inspectdr_getmplot(plt.o), plt[:size]...)
-    end
+function _show(io::IO, mime::MIME{Symbol("image/png")}, plt::Plot{InspectDRBackend})
+    dpi = plt[:dpi] # TODO: support
+    _inspectdr_show(io, mime, _inspectdr_getmplot(plt.o), plt[:size]...)
 end
-for (mime, fmt) in _inspectdr_mimeformats_nodpi
+for (mime, fmt) in (
+    "image/svg+xml" => "svg",
+    "application/eps" => "eps",
+    "image/eps" => "eps",
+    # "application/postscript" => "ps", # TODO: support once Cairo supports PSSurface
+    "application/pdf" => "pdf",
+)
     @eval function _show(io::IO, mime::MIME{Symbol($mime)}, plt::Plot{InspectDRBackend})
         _inspectdr_show(io, mime, _inspectdr_getmplot(plt.o), plt[:size]...)
     end
@@ -462,7 +559,9 @@ end
 # Display/show the plot (open a GUI window, or browser page, for example).
 function _display(plt::Plot{InspectDRBackend})
     mplot = _inspectdr_getmplot(plt.o)
-    if nothing == mplot; return; end
+    if nothing == mplot
+        return
+    end
     gplot = _inspectdr_getgui(plt.o)
 
     if nothing == gplot

src/backends/plotlybase.jl

@@ -0,0 +1,23 @@
+function plotlybase_syncplot(plt::Plot)
+    plt.o = PlotlyBase.Plot()
+    traces = PlotlyBase.GenericTrace[]
+    for series_dict in plotly_series(plt)
+        plotly_type = pop!(series_dict, :type)
+        push!(traces, PlotlyBase.GenericTrace(plotly_type; series_dict...))
+    end
+    PlotlyBase.addtraces!(plt.o, traces...)
+    layout = plotly_layout(plt)
+    w, h = plt[:size]
+    PlotlyBase.relayout!(plt.o, layout, width = w, height = h)
+    return plt.o
+end
+
+for (mime, fmt) in (
+    "application/pdf" => "pdf",
+    "image/png" => "png",
+    "image/svg+xml" => "svg",
+    "image/eps" => "eps",
+)
+    @eval _show(io::IO, ::MIME{Symbol($mime)}, plt::Plot{PlotlyBackend}) =
+        PlotlyBase.savefig(io, plotlybase_syncplot(plt), format = $fmt)
+end

src/backends/plotlyjs.jl

@@ -19,32 +19,30 @@ end
 
 # ------------------------------------------------------------------------------
 
-const _plotlyjs_mimeformats = Dict(
+for (mime, fmt) in (
     "application/pdf" => "pdf",
     "image/png"       => "png",
     "image/svg+xml"   => "svg",
     "image/eps"       => "eps",
 )
-
-for (mime, fmt) in _plotlyjs_mimeformats
-    @eval _show(io::IO, ::MIME{Symbol($mime)}, plt::Plot{PlotlyJSBackend}) = PlotlyJS.savefig(io, plotlyjs_syncplot(plt), format = $fmt)
+    @eval _show(io::IO, ::MIME{Symbol($mime)}, plt::Plot{PlotlyJSBackend}) =
+        PlotlyJS.savefig(io, plotlyjs_syncplot(plt), format = $fmt)
 end
 
 # Use the Plotly implementation for json and html:
-_show(io::IO, mime::MIME"application/vnd.plotly.v1+json", plt::Plot{PlotlyJSBackend}) = plotly_show_js(io, plt)
+_show(io::IO, mime::MIME"application/vnd.plotly.v1+json", plt::Plot{PlotlyJSBackend}) =
+    plotly_show_js(io, plt)
 
 html_head(plt::Plot{PlotlyJSBackend}) = plotly_html_head(plt)
 html_body(plt::Plot{PlotlyJSBackend}) = plotly_html_body(plt)
 
-_show(io::IO, ::MIME"text/html", plt::Plot{PlotlyJSBackend}) = write(io, standalone_html(plt))
+_show(io::IO, ::MIME"text/html", plt::Plot{PlotlyJSBackend}) =
+    write(io, embeddable_html(plt))
 
 _display(plt::Plot{PlotlyJSBackend}) = display(plotlyjs_syncplot(plt))
 
-@require WebIO = "0f1e0344-ec1d-5b48-a673-e5cf874b6c29" begin
-    function WebIO.render(plt::Plot{PlotlyJSBackend})
-        prepare_output(plt)
-        WebIO.render(plt.o)
-    end
+function PlotlyJS.WebIO.render(plt::Plot{PlotlyJSBackend})
+    return PlotlyJS.WebIO.render(plotlyjs_syncplot(plt))
 end
 
 function closeall(::PlotlyJSBackend)
@@ -52,3 +50,5 @@ function closeall(::PlotlyJSBackend)
         close(current().o)
     end
 end
+
+Base.showable(::MIME"application/prs.juno.plotpane+html", plt::Plot{PlotlyJSBackend}) = true

src/backends/unicodeplots.jl

@@ -1,182 +1,251 @@
-
-# https://github.com/Evizero/UnicodePlots.jl
-
+# https://github.com/JuliaPlots/UnicodePlots.jl
 
 # don't warn on unsupported... there's just too many warnings!!
-warnOnUnsupported_args(::UnicodePlotsBackend, plotattributes::KW) = nothing
+warn_on_unsupported_args(::UnicodePlotsBackend, plotattributes) = nothing
 
-# --------------------------------------------------------------------------------------
+# ------------------------------------------------------------------------------------------
+const _canvas_map = (
+    ascii = UnicodePlots.AsciiCanvas,
+    block = UnicodePlots.BlockCanvas,
+    braille = UnicodePlots.BrailleCanvas,
+    density = UnicodePlots.DensityCanvas,
+    dot = UnicodePlots.DotCanvas,
+    heatmap = UnicodePlots.HeatmapCanvas,
+    lookup = UnicodePlots.LookupCanvas,
+)
 
-const _canvas_type = Ref(:auto)
-
-function _canvas_map()
-    KW(
-        :braille => UnicodePlots.BrailleCanvas,
-        :ascii => UnicodePlots.AsciiCanvas,
-        :block => UnicodePlots.BlockCanvas,
-        :dot => UnicodePlots.DotCanvas,
-        :density => UnicodePlots.DensityCanvas,
-    )
-end
-
-
-# do all the magic here... build it all at once, since we need to know about all the series at the very beginning
-function rebuildUnicodePlot!(plt::Plot, width, height)
-    plt.o = []
+# do all the magic here... build it all at once,
+# since we need to know about all the series at the very beginning
+function unicodeplots_rebuild(plt::Plot{UnicodePlotsBackend})
+    plt.o = UnicodePlots.Plot[]
 
     for sp in plt.subplots
         xaxis = sp[:xaxis]
         yaxis = sp[:yaxis]
-        xlim =  axis_limits(sp, :x)
-        ylim =  axis_limits(sp, :y)
+        xlim = collect(axis_limits(sp, :x))
+        ylim = collect(axis_limits(sp, :y))
 
-        # make vectors
-        xlim = [xlim[1], xlim[2]]
-        ylim = [ylim[1], ylim[2]]
-
-        # we set x/y to have a single point, since we need to create the plot with some data.
-        # since this point is at the bottom left corner of the plot, it shouldn't actually be shown
+        # we set x/y to have a single point,
+        # since we need to create the plot with some data.
+        # since this point is at the bottom left corner of the plot,
+        # it shouldn't actually be shown
         x = Float64[xlim[1]]
         y = Float64[ylim[1]]
 
-        # create a plot window with xlim/ylim set, but the X/Y vectors are outside the bounds
-        ct = _canvas_type[]
-        canvas_type = if ct == :auto
-            isijulia() ? UnicodePlots.AsciiCanvas : UnicodePlots.BrailleCanvas
+        # create a plot window with xlim/ylim set,
+        # but the X/Y vectors are outside the bounds
+        canvas_type = if (ct = _canvas_type[]) == :auto
+            isijulia() ? :ascii : :braille
         else
-            _canvas_map()[ct]
+            ct
         end
 
-        # special handling for spy
-        if length(sp.series_list) == 1
-            series = sp.series_list[1]
-            if series[:seriestype] == :spy
-                push!(plt.o, UnicodePlots.spy(
-                    series[:z].surf,
-                    width = width,
-                    height = height,
-                    title = sp[:title],
-                    canvas = canvas_type
-                ))
-                continue
-            end
-        end
-
-        # # make it a bar canvas if plotting bar
-        # if any(series -> series[:seriestype] == :bar, series_list(sp))
-        #     canvas_type = UnicodePlots.BarplotGraphics
-        # end
-
-        o = UnicodePlots.Plot(x, y, canvas_type;
-            width = width,
-            height = height,
+        kw = (
+            compact = true,
             title = sp[:title],
+            xlabel = xaxis[:guide],
+            ylabel = yaxis[:guide],
+            xscale = xaxis[:scale],
+            yscale = yaxis[:scale],
+            border = isijulia() ? :ascii : :solid,
             xlim = xlim,
             ylim = ylim,
-            border = isijulia() ? :ascii : :solid
         )
 
-        # set the axis labels
-        UnicodePlots.xlabel!(o, xaxis[:guide])
-        UnicodePlots.ylabel!(o, yaxis[:guide])
-
-        # now use the ! functions to add to the plot
+        o = UnicodePlots.Plot(x, y, _canvas_map[canvas_type]; kw...)
         for series in series_list(sp)
-            addUnicodeSeries!(o, series.plotattributes, sp[:legend] != :none, xlim, ylim)
+            o = addUnicodeSeries!(sp, o, kw, series, sp[:legend] != :none)
         end
 
-        # save the object
-        push!(plt.o, o)
+        for ann in sp[:annotations]
+            x, y, val = locate_annotation(sp, ann...)
+            o = UnicodePlots.annotate!(
+                o,
+                x,
+                y,
+                val.str;
+                color = up_color(val.font.color),
+                halign = val.font.halign,
+                valign = val.font.valign,
+            )
+        end
+
+        push!(plt.o, o)  # save the object
     end
 end
 
+up_color(col::UnicodePlots.UserColorType) = col
+up_color(col::RGBA) =
+    (c = convert(ARGB32, col); map(Int, (red(c).i, green(c).i, blue(c).i)))
+up_color(col) = :auto
 
 # add a single series
-function addUnicodeSeries!(o, plotattributes::KW, addlegend::Bool, xlim, ylim)
-    # get the function, or special handling for step/bar/hist
-    st = plotattributes[:seriestype]
-    if st == :histogram2d
-        UnicodePlots.densityplot!(o, plotattributes[:x], plotattributes[:y])
-        return
-    end
-
-    if st in (:path, :straightline)
-        func = UnicodePlots.lineplot!
-    elseif st == :scatter || plotattributes[:markershape] != :none
-        func = UnicodePlots.scatterplot!
-    # elseif st == :bar
-    #     func = UnicodePlots.barplot!
-    elseif st == :shape
-        func = UnicodePlots.lineplot!
-    else
-        error("Linestyle $st not supported by UnicodePlots")
-    end
+function addUnicodeSeries!(
+    sp::Subplot{UnicodePlotsBackend},
+    up::UnicodePlots.Plot,
+    kw,
+    series,
+    addlegend::Bool,
+)
+    st = series[:seriestype]
 
     # get the series data and label
     x, y = if st == :straightline
-        straightline_data(plotattributes)
+        straightline_data(series)
     elseif st == :shape
-        shape_data(plotattributes)
+        shape_data(series)
     else
-        [collect(float(plotattributes[s])) for s in (:x, :y)]
+        float(series[:x]), float(series[:y])
     end
-    label = addlegend ? plotattributes[:label] : ""
 
-    # if we happen to pass in allowed color symbols, great... otherwise let UnicodePlots decide
-    color = plotattributes[:linecolor] in UnicodePlots.color_cycle ? plotattributes[:linecolor] : :auto
+    # special handling (src/interface)
+    if st == :histogram2d
+        kw[:xlim][:] .= kw[:ylim][:] .= 0
+        return UnicodePlots.densityplot(x, y; kw...)
+    elseif st == :heatmap
+        rng = range(0, 1, length = length(UnicodePlots.COLOR_MAP_DATA[:viridis]))
+        cmap = [(red(c), green(c), blue(c)) for c in get(get_colorgradient(series), rng)]
+        return UnicodePlots.heatmap(
+            series[:z].surf;
+            zlabel = sp[:colorbar_title],
+            colormap = cmap,
+            kw...,
+        )
+    elseif st == :spy
+        return UnicodePlots.spy(series[:z].surf; kw...)
+    end
 
-    # add the series
-    x, y = Plots.unzip(collect(Base.Iterators.filter(xy->isfinite(xy[1])&&isfinite(xy[2]), zip(x,y))))
-    func(o, x, y; color = color, name = label)
+    series_kw = (;)
+
+    # now use the ! functions to add to the plot
+    if st in (:path, :straightline, :shape)
+        func = UnicodePlots.lineplot!
+    elseif st == :scatter || series[:markershape] != :none
+        func = UnicodePlots.scatterplot!
+        series_kw = (; marker = series[:markershape])
+    else
+        error("Series type $st not supported by UnicodePlots")
+    end
+
+    label = addlegend ? series[:label] : ""
+
+    for (n, segment) in enumerate(series_segments(series, st; check = true))
+        i, rng = segment.attr_index, segment.range
+        lc = get_linecolor(series, i)
+        up = func(
+            up,
+            x[rng],
+            y[rng];
+            color = up_color(lc),
+            name = n == 1 ? label : "",
+            series_kw...,
+        )
+    end
+
+    for (xi, yi, str, fnt) in EachAnn(series[:series_annotations], x, y)
+        up = UnicodePlots.annotate!(
+            up,
+            xi,
+            yi,
+            str;
+            color = up_color(fnt.color),
+            halign = fnt.halign,
+            valign = fnt.valign,
+        )
+    end
+
+    return up
 end
 
-# -------------------------------
+# ------------------------------------------------------------------------------------------
 
-# since this is such a hack, it's only callable using `png`... should error during normal `show`
-function png(plt::AbstractPlot{UnicodePlotsBackend}, fn::AbstractString)
+# since this is such a hack, it's only callable using `png`...
+# should error during normal `show`
+function png(plt::Plot{UnicodePlotsBackend}, fn::AbstractString)
     fn = addExtension(fn, "png")
 
-    # make some whitespace and show the plot
-    println("\n\n\n\n\n\n")
-    gui(plt)
-
-    # @osx_only begin
     @static if Sys.isapple()
-        # BEGIN HACK
-
-        # wait while the plot gets drawn
+        # make some whitespace and show the plot
+        println("\n\n\n\n\n\n")
+        gui(plt)
         sleep(0.5)
-
-        # use osx screen capture when my terminal is maximized and cursor starts at the bottom (I know, right?)
-        # TODO: compute size of plot to adjust these numbers (or maybe implement something good??)
+        # use osx screen capture when my terminal is maximized
+        # and cursor starts at the bottom (I know, right?)
         run(`screencapture -R50,600,700,420 $fn`)
-
-        # END HACK (phew)
+        return
+    elseif Sys.islinux()
+        run(`clear`)
+        gui(plt)
+        run(`import -window $(ENV["WINDOWID"]) $fn`)
         return
     end
 
-    error("Can only savepng on osx with UnicodePlots (though even then I wouldn't do it)")
+    error(
+        "Can only savepng on MacOS or Linux with UnicodePlots " *
+        "(though even then I wouldn't do it)",
+    )
 end
 
-# -------------------------------
-
-# we don't do very much for subplots... just stack them vertically
-
-function unicodeplots_rebuild(plt::Plot{UnicodePlotsBackend})
-    w, h = plt[:size]
-    plt.attr[:color_palette] = [RGB(0,0,0)]
-    rebuildUnicodePlot!(plt, div(w, 10), div(h, 20))
-end
+# ------------------------------------------------------------------------------------------
+Base.show(plt::Plot{UnicodePlotsBackend}) = show(stdout, plt)
+Base.show(io::IO, plt::Plot{UnicodePlotsBackend}) = _show(io, MIME("text/plain"), plt)
 
 function _show(io::IO, ::MIME"text/plain", plt::Plot{UnicodePlotsBackend})
     unicodeplots_rebuild(plt)
-    foreach(x -> show(io, x), plt.o)
+    nr, nc = size(plt.layout)
+    lines_colored = Array{Union{Nothing,Vector{String}}}(undef, nr, nc)
+    lines_uncolored = copy(lines_colored)
+    l_max = zeros(Int, nr)
+    w_max = zeros(Int, nc)
+    buf = IOBuffer()
+    cbuf = IOContext(buf, :color => true)
+    re_col = r"\x1B\[[0-9;]*[a-zA-Z]"
+    sps = 0
+    for r in 1:nr
+        lmax = 0
+        for c in 1:nc
+            l = plt.layout[r, c]
+            if l isa GridLayout && size(l) != (1, 1)
+                @error "UnicodePlots: complex nested layout is currently unsupported !"
+            else
+                if get(l.attr, :blank, false)
+                    lines_colored[r, c] = lines_uncolored[r, c] = nothing
+                else
+                    sp = plt.o[sps += 1]
+                    show(cbuf, sp)
+                    colored = String(take!(buf))
+                    uncolored = replace(colored, re_col => "")
+                    lines_colored[r, c] = lc = split(colored, "\n")
+                    lines_uncolored[r, c] = lu = split(uncolored, "\n")
+                    lmax = max(length(lc), lmax)
+                    w_max[c] = max(maximum(length.(lu)), w_max[c])
+                end
+            end
+        end
+        l_max[r] = lmax
+    end
+    empty = String[' '^w for w in w_max]
+    for r in 1:nr
+        for n in 1:l_max[r]
+            for c in 1:nc
+                pre = c == 1 ? '\0' : ' '
+                lc = lines_colored[r, c]
+                if lc === nothing || length(lc) < n
+                    print(io, pre, empty[c])
+                else
+                    lu = lines_uncolored[r, c]
+                    print(io, pre, lc[n], ' '^(w_max[c] - length(lu[n])))
+                end
+            end
+            println(io)
+        end
+        r < nr && println(io)
+    end
     nothing
 end
 
-
 function _display(plt::Plot{UnicodePlotsBackend})
     unicodeplots_rebuild(plt)
-    map(show, plt.o)
+    map(display, plt.o)
     nothing
 end

src/backends/web.jl

@@ -3,7 +3,10 @@
 
 # CREDIT: parts of this implementation were inspired by @joshday's PlotlyLocal.jl
 
-function standalone_html(plt::AbstractPlot; title::AbstractString = get(plt.attr, :window_title, "Plots.jl"))
+function standalone_html(
+    plt::AbstractPlot;
+    title::AbstractString = get(plt.attr, :window_title, "Plots.jl"),
+)
     """
     <!DOCTYPE html>
     <html>
@@ -19,6 +22,10 @@ function standalone_html(plt::AbstractPlot; title::AbstractString = get(plt.attr
     """
 end
 
+function embeddable_html(plt::AbstractPlot)
+    html_head(plt) * html_body(plt)
+end
+
 function open_browser_window(filename::AbstractString)
     @static if Sys.isapple()
         return run(`open $(filename)`)
@@ -45,7 +52,8 @@ function standalone_html_window(plt::AbstractPlot)
     old = use_local_dependencies[] # save state to restore afterwards
     # if we open a browser ourself, we can host local files, so
     # when we have a local plotly downloaded this is the way to go!
-    use_local_dependencies[] = isfile(plotly_local_file_path)
+    use_local_dependencies[] =
+        plotly_local_file_path[] === nothing ? false : isfile(plotly_local_file_path[])
     filename = write_temp_html(plt)
     open_browser_window(filename)
     # restore for other backends
@@ -54,7 +62,9 @@ end
 
 # uses wkhtmltopdf/wkhtmltoimage: http://wkhtmltopdf.org/downloads.html
 function html_to_png(html_fn, png_fn, w, h)
-    run(`wkhtmltoimage -f png -q --width $w --height $h --disable-smart-width $html_fn $png_fn`)
+    run(
+        `wkhtmltoimage -f png -q --width $w --height $h --disable-smart-width $html_fn $png_fn`,
+    )
 end
 
 function show_png_from_html(io::IO, plt::AbstractPlot)

src/colorbars.jl

@@ -0,0 +1,110 @@
+# These functions return an operator for use in `get_clims(::Seres, op)`
+process_clims(lims::Tuple{<:Number,<:Number}) =
+    (zlims -> ifelse.(isfinite.(lims), lims, zlims)) ∘ ignorenan_extrema
+process_clims(s::Union{Symbol,Nothing,Missing}) = ignorenan_extrema
+# don't specialize on ::Function otherwise python functions won't work
+process_clims(f) = f
+
+const sp_clims = IdDict{Subplot,Tuple{Float64,Float64}}()
+const series_clims = IdDict{Series,Tuple{Float64,Float64}}()
+
+get_clims(sp::Subplot)::Tuple{Float64,Float64} =
+    haskey(sp_clims, sp) ? sp_clims[sp] : update_clims(sp)
+get_clims(series::Series)::Tuple{Float64,Float64} =
+    haskey(series_clims, series) ? series_clims[series] : update_clims(series)
+
+get_clims(sp::Subplot, series::Series)::Tuple{Float64,Float64} =
+    series[:colorbar_entry] ? get_clims(sp) : get_clims(series)
+
+function update_clims(sp::Subplot, op = process_clims(sp[:clims]))::Tuple{Float64,Float64}
+    zmin, zmax = Inf, -Inf
+    for series in series_list(sp)
+        if series[:colorbar_entry]
+            zmin, zmax = _update_clims(zmin, zmax, update_clims(series, op)...)
+        else
+            update_clims(series, op)
+        end
+    end
+    return sp_clims[sp] = zmin <= zmax ? (zmin, zmax) : (NaN, NaN)
+end
+
+"""
+    update_clims(::Series, op=Plots.ignorenan_extrema)
+Finds the limits for the colorbar by taking the "z-values" for the series and passing them into `op`,
+which must return the tuple `(zmin, zmax)`. The default op is the extrema of the finite
+values of the input. The value is stored as a series property, which is retrieved by `get_clims`.
+"""
+function update_clims(series::Series, op = ignorenan_extrema)::Tuple{Float64,Float64}
+    zmin, zmax = Inf, -Inf
+    z_colored_series = (:contour, :contour3d, :heatmap, :histogram2d, :surface, :hexbin)
+
+    # keeping this unrolled has higher performance
+    if series[:seriestype] ∈ z_colored_series && series[:z] !== nothing
+        zmin, zmax = update_clims(zmin, zmax, series[:z], op)
+    end
+    if series[:line_z] !== nothing
+        zmin, zmax = update_clims(zmin, zmax, series[:line_z], op)
+    end
+    if series[:marker_z] !== nothing
+        zmin, zmax = update_clims(zmin, zmax, series[:marker_z], op)
+    end
+    if series[:fill_z] !== nothing
+        zmin, zmax = update_clims(zmin, zmax, series[:fill_z], op)
+    end
+
+    return series_clims[series] = zmin <= zmax ? (zmin, zmax) : (NaN, NaN)
+end
+
+update_clims(zmin, zmax, vals::AbstractSurface, op)::Tuple{Float64,Float64} =
+    update_clims(zmin, zmax, vals.surf, op)
+update_clims(zmin, zmax, vals::Any, op)::Tuple{Float64,Float64} =
+    _update_clims(zmin, zmax, op(vals)...)
+update_clims(zmin, zmax, ::Nothing, ::Any)::Tuple{Float64,Float64} = zmin, zmax
+
+_update_clims(zmin, zmax, emin, emax) = NaNMath.min(zmin, emin), NaNMath.max(zmax, emax)
+
+@enum ColorbarStyle cbar_gradient cbar_fill cbar_lines
+
+function colorbar_style(series::Series)
+    colorbar_entry = series[:colorbar_entry]
+    if !(colorbar_entry isa Bool)
+        @warn "Non-boolean colorbar_entry ignored."
+        colorbar_entry = true
+    end
+
+    if !colorbar_entry
+        nothing
+    elseif isfilledcontour(series)
+        cbar_fill
+    elseif iscontour(series)
+        cbar_lines
+    elseif series[:seriestype] ∈ (:heatmap, :surface) ||
+           any(series[z] !== nothing for z in [:marker_z, :line_z, :fill_z])
+        cbar_gradient
+    else
+        nothing
+    end
+end
+
+hascolorbar(series::Series) = colorbar_style(series) !== nothing
+hascolorbar(sp::Subplot) =
+    sp[:colorbar] != :none && any(hascolorbar(s) for s in series_list(sp))
+
+function get_colorbar_ticks(sp::Subplot; update = true)
+    if update || !haskey(sp.attr, :colorbar_optimized_ticks)
+        ticks = _transform_ticks(sp[:colorbar_ticks])
+        cvals = sp[:colorbar_continuous_values]
+        dvals = sp[:colorbar_discrete_values]
+        clims = get_clims(sp)
+        scale = sp[:colorbar_scale]
+        formatter = sp[:colorbar_formatter]
+        sp.attr[:colorbar_optimized_ticks] =
+            get_ticks(ticks, cvals, dvals, clims, scale, formatter)
+    end
+    return sp.attr[:colorbar_optimized_ticks]
+end
+
+function _update_subplot_colorbars(sp::Subplot)
+    # Dynamic callback from the pipeline if needed
+    update_clims(sp)
+end

src/fileio.jl

@@ -1,8 +1,10 @@
 # ---------------------------------------------------------
 # A backup, if no PNG generation is defined, is to try to make a PDF and use FileIO to convert
 
-_fileio_load(@nospecialize(filename::AbstractString)) = FileIO.load(filename::AbstractString)
-_fileio_save(@nospecialize(filename::AbstractString), @nospecialize(x)) = FileIO.save(filename::AbstractString, x)
+_fileio_load(@nospecialize(filename::AbstractString)) =
+    FileIO.load(filename::AbstractString)
+_fileio_save(@nospecialize(filename::AbstractString), @nospecialize(x)) =
+    FileIO.save(filename::AbstractString, x)
 
 function _show_pdfbackends(io::IO, ::MIME"image/png", plt::Plot)
     fn = tempname()
@@ -21,4 +23,5 @@ function _show_pdfbackends(io::IO, ::MIME"image/png", plt::Plot)
     write(io, read(open(pngfn), String))
 end
 
-const PDFBackends = Union{PGFPlotsBackend,PlotlyJSBackend,PyPlotBackend,InspectDRBackend,GRBackend}
+const PDFBackends =
+    Union{PGFPlotsBackend,PlotlyJSBackend,PyPlotBackend,InspectDRBackend,GRBackend}

src/ijulia.jl

@@ -1,15 +1,14 @@
 const use_local_dependencies = Ref(false)
 const use_local_plotlyjs = Ref(false)
 
-
 function _init_ijulia_plotting()
     # IJulia is more stable with local file
-    use_local_plotlyjs[] = isfile(plotly_local_file_path)
+    use_local_plotlyjs[] =
+        plotly_local_file_path[] === nothing ? false : isfile(plotly_local_file_path[])
 
     ENV["MPLBACKEND"] = "Agg"
 end
 
-
 """
 Add extra jupyter mimetypes to display_dict based on the plot backed.
 
@@ -20,22 +19,17 @@ frontends like jupyterlab and nteract.
 _ijulia__extra_mime_info!(plt::Plot, out::Dict) = out
 
 function _ijulia__extra_mime_info!(plt::Plot{PlotlyJSBackend}, out::Dict)
-    out["application/vnd.plotly.v1+json"] = Dict(
-        :data => plotly_series(plt),
-        :layout => plotly_layout(plt)
-    )
+    out["application/vnd.plotly.v1+json"] =
+        Dict(:data => plotly_series(plt), :layout => plotly_layout(plt))
     out
 end
 
 function _ijulia__extra_mime_info!(plt::Plot{PlotlyBackend}, out::Dict)
-    out["application/vnd.plotly.v1+json"] = Dict(
-        :data => plotly_series(plt),
-        :layout => plotly_layout(plt)
-    )
+    out["application/vnd.plotly.v1+json"] =
+        Dict(:data => plotly_series(plt), :layout => plotly_layout(plt))
     out
 end
 
-
 function _ijulia_display_dict(plt::Plot)
     output_type = Symbol(plt.attr[:html_output_format])
     if output_type == :auto
@@ -54,9 +48,9 @@ function _ijulia_display_dict(plt::Plot)
     elseif output_type == :html
         mime = "text/html"
         out[mime] = sprint(show, MIME(mime), plt)
+        _ijulia__extra_mime_info!(plt, out)
     else
         error("Unsupported output type $output_type")
     end
-    _ijulia__extra_mime_info!(plt, out)
     out
 end

src/init.jl

@@ -1,39 +1,90 @@
 using REPL
+using Scratch
 
+const plotly_local_file_path = Ref{Union{Nothing,String}}(nothing)
 
 function _plots_defaults()
     if isdefined(Main, :PLOTS_DEFAULTS)
-        Dict{Symbol,Any}(Main.PLOTS_DEFAULTS)
+        copy(Dict{Symbol,Any}(Main.PLOTS_DEFAULTS))
     else
         Dict{Symbol,Any}()
     end
 end
 
-
 function __init__()
     user_defaults = _plots_defaults()
     if haskey(user_defaults, :theme)
-        theme(user_defaults[:theme])
-    end
-    for (k,v) in user_defaults
-        k == :theme || default(k, v)
+        theme(pop!(user_defaults, :theme); user_defaults...)
+    else
+        default(; user_defaults...)
     end
 
-    insert!(Base.Multimedia.displays, findlast(x -> x isa Base.TextDisplay || x isa REPL.REPLDisplay, Base.Multimedia.displays) + 1, PlotsDisplay())
+    insert!(
+        Base.Multimedia.displays,
+        findlast(
+            x -> x isa Base.TextDisplay || x isa REPL.REPLDisplay,
+            Base.Multimedia.displays,
+        ) + 1,
+        PlotsDisplay(),
+    )
 
-    atreplinit(i -> begin
-        while PlotsDisplay() in Base.Multimedia.displays
-            popdisplay(PlotsDisplay())
-        end
-        insert!(Base.Multimedia.displays, findlast(x -> x isa REPL.REPLDisplay, Base.Multimedia.displays) + 1, PlotsDisplay())
-    end)
+    atreplinit(
+        i -> begin
+            while PlotsDisplay() in Base.Multimedia.displays
+                popdisplay(PlotsDisplay())
+            end
+            insert!(
+                Base.Multimedia.displays,
+                findlast(x -> x isa REPL.REPLDisplay, Base.Multimedia.displays) + 1,
+                PlotsDisplay(),
+            )
+        end,
+    )
 
-    @require HDF5 = "f67ccb44-e63f-5c2f-98bd-6dc0ccc4ba2f" include(joinpath(@__DIR__, "backends", "hdf5.jl"))
-    @require InspectDR = "d0351b0e-4b05-5898-87b3-e2a8edfddd1d" include(joinpath(@__DIR__, "backends", "inspectdr.jl"))
-    @require PGFPlots = "3b7a836e-365b-5785-a47d-02c71176b4aa" include(joinpath(@__DIR__, "backends", "pgfplots.jl"))
-    @require PlotlyJS = "f0f68f2c-4968-5e81-91da-67840de0976a" include(joinpath(@__DIR__, "backends", "plotlyjs.jl"))
-    @require PyPlot = "d330b81b-6aea-500a-939a-2ce795aea3ee" include(joinpath(@__DIR__, "backends", "pyplot.jl"))
-    @require UnicodePlots = "b8865327-cd53-5732-bb35-84acbb429228" include(joinpath(@__DIR__, "backends", "unicodeplots.jl"))
+    @require HDF5 = "f67ccb44-e63f-5c2f-98bd-6dc0ccc4ba2f" begin
+        fn = joinpath(@__DIR__, "backends", "hdf5.jl")
+        include(fn)
+    end
+
+    @require InspectDR = "d0351b0e-4b05-5898-87b3-e2a8edfddd1d" begin
+        fn = joinpath(@__DIR__, "backends", "inspectdr.jl")
+        include(fn)
+    end
+
+    @require PGFPlots = "3b7a836e-365b-5785-a47d-02c71176b4aa" begin
+        fn = joinpath(@__DIR__, "backends", "deprecated", "pgfplots.jl")
+        include(fn)
+    end
+
+    @require PlotlyBase = "a03496cd-edff-5a9b-9e67-9cda94a718b5" begin
+        fn = joinpath(@__DIR__, "backends", "plotlybase.jl")
+        include(fn)
+    end
+
+    @require PGFPlotsX = "8314cec4-20b6-5062-9cdb-752b83310925" begin
+        fn = joinpath(@__DIR__, "backends", "pgfplotsx.jl")
+        include(fn)
+    end
+
+    @require PlotlyJS = "f0f68f2c-4968-5e81-91da-67840de0976a" begin
+        fn = joinpath(@__DIR__, "backends", "plotlyjs.jl")
+        include(fn)
+    end
+
+    @require PyPlot = "d330b81b-6aea-500a-939a-2ce795aea3ee" begin
+        fn = joinpath(@__DIR__, "backends", "pyplot.jl")
+        include(fn)
+    end
+
+    @require UnicodePlots = "b8865327-cd53-5732-bb35-84acbb429228" begin
+        fn = joinpath(@__DIR__, "backends", "unicodeplots.jl")
+        include(fn)
+    end
+
+    @require Gaston = "4b11ee91-296f-5714-9832-002c20994614" begin
+        fn = joinpath(@__DIR__, "backends", "gaston.jl")
+        include(fn)
+    end
 
     @require IJulia = "7073ff75-c697-5162-941a-fcdaad2a7d2a" begin
         if IJulia.inited
@@ -43,18 +94,23 @@ function __init__()
         end
     end
 
-    if haskey(ENV, "PLOTS_HOST_DEPENDENCY_LOCAL")
-        use_local_plotlyjs[] = ENV["PLOTS_HOST_DEPENDENCY_LOCAL"] == "true"
-        use_local_dependencies[] = isfile(plotly_local_file_path) && use_local_plotlyjs[]
-        if use_local_plotlyjs[] && !isfile(plotly_local_file_path)
-            @warn("PLOTS_HOST_DEPENDENCY_LOCAL is set to true, but no local plotly file found. run Pkg.build(\"Plots\") and make sure PLOTS_HOST_DEPENDENCY_LOCAL is set to true")
+    if get(ENV, "PLOTS_HOST_DEPENDENCY_LOCAL", "false") == "true"
+        global plotly_local_file_path[] =
+            joinpath(@get_scratch!("plotly"), _plotly_min_js_filename)
+        if !isfile(plotly_local_file_path[])
+            Downloads.download(
+                "https://cdn.plot.ly/$(_plotly_min_js_filename)",
+                plotly_local_file_path[],
+            )
         end
-    else
-        use_local_dependencies[] = use_local_plotlyjs[]
+
+        use_local_plotlyjs[] = true
     end
 
+    use_local_dependencies[] = use_local_plotlyjs[]
 
     @require FileIO = "5789e2e9-d7fb-5bc7-8068-2c6fae9b9549" begin
-        _show(io::IO, mime::MIME"image/png", plt::Plot{<:PDFBackends}) = _show_pdfbackends(io, mime, plt)
+        _show(io::IO, mime::MIME"image/png", plt::Plot{<:PDFBackends}) =
+            _show_pdfbackends(io, mime, plt)
     end
 end

src/layouts.jl

@@ -4,34 +4,6 @@
 to_pixels(m::AbsoluteLength) = m.value / 0.254
 
 const _cbar_width = 5mm
-
-#Base.broadcast(::typeof(Base.:.*), m::Measure, n::Number) = m * n
-#Base.broadcast(::typeof(Base.:.*), m::Number, n::Measure) = m * n
-Base.:-(m::Measure, a::AbstractArray) = map(ai -> m - ai, a)
-Base.:-(a::AbstractArray, m::Measure) = map(ai -> ai - m, a)
-Base.zero(::Type{typeof(mm)}) = 0mm
-Base.one(::Type{typeof(mm)}) = 1mm
-Base.typemin(::typeof(mm)) = -Inf*mm
-Base.typemax(::typeof(mm)) = Inf*mm
-Base.convert(::Type{F}, l::AbsoluteLength) where {F<:AbstractFloat} = convert(F, l.value)
-
-# TODO: these are unintuitive and may cause tricky bugs
-# Base.:+(m1::AbsoluteLength, m2::Length{:pct}) = AbsoluteLength(m1.value * (1 + m2.value))
-# Base.:+(m1::Length{:pct}, m2::AbsoluteLength) = AbsoluteLength(m2.value * (1 + m1.value))
-# Base.:-(m1::AbsoluteLength, m2::Length{:pct}) = AbsoluteLength(m1.value * (1 - m2.value))
-# Base.:-(m1::Length{:pct}, m2::AbsoluteLength) = AbsoluteLength(m2.value * (m1.value - 1))
-
-Base.:*(m1::AbsoluteLength, m2::Length{:pct}) = AbsoluteLength(m1.value * m2.value)
-Base.:*(m1::Length{:pct}, m2::AbsoluteLength) = AbsoluteLength(m2.value * m1.value)
-Base.:/(m1::AbsoluteLength, m2::Length{:pct}) = AbsoluteLength(m1.value / m2.value)
-Base.:/(m1::Length{:pct}, m2::AbsoluteLength) = AbsoluteLength(m2.value / m1.value)
-
-
-Base.zero(::Type{typeof(pct)}) = 0pct
-Base.one(::Type{typeof(pct)}) = 1pct
-Base.typemin(::typeof(pct)) = 0pct
-Base.typemax(::typeof(pct)) = 1pct
-
 const defaultbox = BoundingBox(0mm, 0mm, 0mm, 0mm)
 
 left(bbox::BoundingBox) = bbox.x0[1]
@@ -46,16 +18,16 @@ ispositive(m::Measure) = m.value > 0
 # union together bounding boxes
 function Base.:+(bb1::BoundingBox, bb2::BoundingBox)
     # empty boxes don't change the union
-    ispositive(width(bb1))  || return bb2
+    ispositive(width(bb1)) || return bb2
     ispositive(height(bb1)) || return bb2
-    ispositive(width(bb2))  || return bb1
+    ispositive(width(bb2)) || return bb1
     ispositive(height(bb2)) || return bb1
 
     l = min(left(bb1), left(bb2))
     t = min(top(bb1), top(bb2))
     r = max(right(bb1), right(bb2))
     b = max(bottom(bb1), bottom(bb2))
-    BoundingBox(l, t, r-l, b-t)
+    BoundingBox(l, t, r - l, b - t)
 end
 
 # this creates a bounding box in the parent's scope, where the child bounding box
@@ -81,7 +53,7 @@ end
 # convert a bounding box from absolute coords to percentages...
 # returns an array of percentages of figure size: [left, bottom, width, height]
 function bbox_to_pcts(bb::BoundingBox, figw, figh, flipy = true)
-    mms = Float64[f(bb).value for f in (left,bottom,width,height)]
+    mms = Float64[f(bb).value for f in (left, bottom, width, height)]
     if flipy
         mms[2] = figh.value - mms[2]  # flip y when origin in bottom-left
     end
@@ -89,7 +61,10 @@ function bbox_to_pcts(bb::BoundingBox, figw, figh, flipy = true)
 end
 
 function Base.show(io::IO, bbox::BoundingBox)
-    print(io, "BBox{l,t,r,b,w,h = $(left(bbox)),$(top(bbox)), $(right(bbox)),$(bottom(bbox)), $(width(bbox)),$(height(bbox))}")
+    print(
+        io,
+        "BBox{l,t,r,b,w,h = $(left(bbox)),$(top(bbox)), $(right(bbox)),$(bottom(bbox)), $(width(bbox)),$(height(bbox))}",
+    )
 end
 
 # -----------------------------------------------------------
@@ -107,17 +82,15 @@ function resolve_mixed(mix::MixedMeasures, sp::Subplot, letter::Symbol)
     if mix.len != 0mm
         f = (letter == :x ? width : height)
         totlen = f(plotarea(sp))
-        @show totlen
         pct += mix.len / totlen
     end
     if pct != 0
         amin, amax = axis_limits(sp, letter)
-        xy += pct * (amax-amin)
+        xy += pct * (amax - amin)
     end
     xy
 end
 
-
 # -----------------------------------------------------------
 # AbstractLayout
 
@@ -189,7 +162,8 @@ parent_bbox(layout::AbstractLayout) = bbox(parent(layout))
 # padding(layout::AbstractLayout) = (padding_w(layout), padding_h(layout))
 
 update_position!(layout::AbstractLayout) = nothing
-update_child_bboxes!(layout::AbstractLayout, minimum_perimeter = [0mm,0mm,0mm,0mm]) = nothing
+update_child_bboxes!(layout::AbstractLayout, minimum_perimeter = [0mm, 0mm, 0mm, 0mm]) =
+    nothing
 
 left(layout::AbstractLayout) = left(bbox(layout))
 top(layout::AbstractLayout) = top(bbox(layout))
@@ -218,6 +192,7 @@ bottompad(layout::AbstractLayout) = 0mm
 # this is the parent of the top-level layout
 struct RootLayout <: AbstractLayout end
 
+Base.show(io::IO, layout::RootLayout) = Base.show_default(io, layout)
 Base.parent(::RootLayout) = nothing
 parent_bbox(::RootLayout) = defaultbox
 bbox(::RootLayout) = defaultbox
@@ -234,7 +209,7 @@ mutable struct EmptyLayout <: AbstractLayout
 end
 EmptyLayout(parent = RootLayout(); kw...) = EmptyLayout(parent, defaultbox, KW(kw))
 
-Base.size(layout::EmptyLayout) = (0,0)
+Base.size(layout::EmptyLayout) = (0, 0)
 Base.length(layout::EmptyLayout) = 0
 Base.getindex(layout::EmptyLayout, r::Int, c::Int) = nothing
 
@@ -258,27 +233,30 @@ end
     grid(args...; kw...)
 
 Create a grid layout for subplots. `args` specify the dimensions, e.g.
-`grid(3,2, widths = (0.6,04))` creates a grid with three rows and two
+`grid(3,2, widths = (0.6,0.4))` creates a grid with three rows and two
 columns of different width.
 """
 grid(args...; kw...) = GridLayout(args...; kw...)
 
-function GridLayout(dims...;
-                    parent = RootLayout(),
-                    widths = zeros(dims[2]),
-                    heights = zeros(dims[1]),
-                    kw...)
+function GridLayout(
+    dims...;
+    parent = RootLayout(),
+    widths = zeros(dims[2]),
+    heights = zeros(dims[1]),
+    kw...,
+)
     grid = Matrix{AbstractLayout}(undef, dims...)
     layout = GridLayout(
         parent,
         (20mm, 5mm, 2mm, 10mm),
         defaultbox,
         grid,
-        Measure[w*pct for w in widths],
-        Measure[h*pct for h in heights],
+        Measure[w * pct for w in widths],
+        Measure[h * pct for h in heights],
         # convert(Vector{Float64}, widths),
         # convert(Vector{Float64}, heights),
-        KW(kw))
+        KW(kw),
+    )
     for i in eachindex(grid)
         grid[i] = EmptyLayout(layout)
     end
@@ -287,9 +265,9 @@ end
 
 Base.size(layout::GridLayout) = size(layout.grid)
 Base.length(layout::GridLayout) = length(layout.grid)
-Base.getindex(layout::GridLayout, r::Int, c::Int) = layout.grid[r,c]
+Base.getindex(layout::GridLayout, r::Int, c::Int) = layout.grid[r, c]
 function Base.setindex!(layout::GridLayout, v, r::Int, c::Int)
-    layout.grid[r,c] = v
+    layout.grid[r, c] = v
 end
 
 leftpad(layout::GridLayout)   = layout.minpad[1]
@@ -297,7 +275,6 @@ toppad(layout::GridLayout)    = layout.minpad[2]
 rightpad(layout::GridLayout)  = layout.minpad[3]
 bottompad(layout::GridLayout) = layout.minpad[4]
 
-
 # here's how this works... first we recursively "update the minimum padding" (which
 # means to calculate the minimum size needed from the edge of the subplot to plot area)
 # for the whole layout tree.  then we can compute the "padding borders" of this
@@ -309,14 +286,13 @@ bottompad(layout::GridLayout) = layout.minpad[4]
 function _update_min_padding!(layout::GridLayout)
     map(_update_min_padding!, layout.grid)
     layout.minpad = (
-        maximum(map(leftpad,   layout.grid[:,1])),
-        maximum(map(toppad,    layout.grid[1,:])),
-        maximum(map(rightpad,  layout.grid[:,end])),
-        maximum(map(bottompad, layout.grid[end,:]))
+        maximum(map(leftpad, layout.grid[:, 1])),
+        maximum(map(toppad, layout.grid[1, :])),
+        maximum(map(rightpad, layout.grid[:, end])),
+        maximum(map(bottompad, layout.grid[end, :])),
     )
 end
 
-
 function update_position!(layout::GridLayout)
     map(update_position!, layout.grid)
 end
@@ -335,7 +311,9 @@ function recompute_lengths(v)
     end
     leftover = 1.0pct - tot
     if cnt > 1 && leftover.value <= 0
-        error("Not enough length left over in layout!  v = $v, cnt = $cnt, leftover = $leftover")
+        error(
+            "Not enough length left over in layout!  v = $v, cnt = $cnt, leftover = $leftover",
+        )
     end
 
     # now fill in the blanks
@@ -343,23 +321,21 @@ function recompute_lengths(v)
 end
 
 # recursively compute the bounding boxes for the layout and plotarea (relative to canvas!)
-function update_child_bboxes!(layout::GridLayout, minimum_perimeter = [0mm,0mm,0mm,0mm])
+function update_child_bboxes!(layout::GridLayout, minimum_perimeter = [0mm, 0mm, 0mm, 0mm])
     nr, nc = size(layout)
-
     # # create a matrix for each minimum padding direction
     # _update_min_padding!(layout)
-
-    minpad_left   = map(leftpad,   layout.grid)
-    minpad_top    = map(toppad,    layout.grid)
-    minpad_right  = map(rightpad,  layout.grid)
+    minpad_left   = map(leftpad, layout.grid)
+    minpad_top    = map(toppad, layout.grid)
+    minpad_right  = map(rightpad, layout.grid)
     minpad_bottom = map(bottompad, layout.grid)
 
     # get the max horizontal (left and right) padding over columns,
     # and max vertical (bottom and top) padding over rows
     # TODO: add extra padding here
-    pad_left   = maximum(minpad_left,   dims = 1)
-    pad_top    = maximum(minpad_top,    dims = 2)
-    pad_right  = maximum(minpad_right,  dims = 1)
+    pad_left   = maximum(minpad_left, dims = 1)
+    pad_top    = maximum(minpad_top, dims = 2)
+    pad_right  = maximum(minpad_right, dims = 1)
     pad_bottom = maximum(minpad_bottom, dims = 2)
 
     # make sure the perimeter match the parent
@@ -373,7 +349,7 @@ function update_child_bboxes!(layout::GridLayout, minimum_perimeter = [0mm,0mm,0
     total_pad_vertical   = sum(pad_top + pad_bottom)
 
     # now we can compute the total plot area in each direction
-    total_plotarea_horizontal = width(layout)  - total_pad_horizontal
+    total_plotarea_horizontal = width(layout) - total_pad_horizontal
     total_plotarea_vertical   = height(layout) - total_pad_vertical
 
     # recompute widths/heights
@@ -385,19 +361,22 @@ function update_child_bboxes!(layout::GridLayout, minimum_perimeter = [0mm,0mm,0
     # denom_h = sum(layout.heights)
 
     # we have all the data we need... lets compute the plot areas and set the bounding boxes
-    for r=1:nr, c=1:nc
-        child = layout[r,c]
+    for r in 1:nr, c in 1:nc
+        child = layout[r, c]
 
         # get the top-left corner of this child... the first one is top-left of the parent (i.e. layout)
-        child_left = (c == 1 ? left(layout.bbox) : right(layout[r, c-1].bbox))
-        child_top  = (r == 1 ? top(layout.bbox) : bottom(layout[r-1, c].bbox))
+        child_left = (c == 1 ? left(layout.bbox) : right(layout[r, c - 1].bbox))
+        child_top  = (r == 1 ? top(layout.bbox) : bottom(layout[r - 1, c].bbox))
 
         # compute plot area
         plotarea_left   = child_left + pad_left[c]
         plotarea_top    = child_top + pad_top[r]
         plotarea_width  = total_plotarea_horizontal * layout.widths[c]
         plotarea_height = total_plotarea_vertical * layout.heights[r]
-        plotarea!(child, BoundingBox(plotarea_left, plotarea_top, plotarea_width, plotarea_height))
+        plotarea!(
+            child,
+            BoundingBox(plotarea_left, plotarea_top, plotarea_width, plotarea_height),
+        )
 
         # compute child bbox
         child_width  = pad_left[c] + plotarea_width + pad_right[c]
@@ -407,10 +386,10 @@ function update_child_bboxes!(layout::GridLayout, minimum_perimeter = [0mm,0mm,0
         # this is the minimum perimeter as decided by this child's parent, so that
         # all children on this border have the same value
         min_child_perimeter = [
-            c == 1  ? layout.minpad[1] : 0mm,
-            r == 1  ? layout.minpad[2] : 0mm,
-            c == nc ? layout.minpad[3] : 0mm,
-            r == nr ? layout.minpad[4] : 0mm
+            c == 1 ? layout.minpad[1] : pad_left[c],
+            r == 1 ? layout.minpad[2] : pad_top[r],
+            c == nc ? layout.minpad[3] : pad_right[c],
+            r == nr ? layout.minpad[4] : pad_bottom[r],
         ]
 
         # recursively update the child's children
@@ -425,18 +404,21 @@ function update_inset_bboxes!(plt::Plot)
         p_area = Measures.resolve(plotarea(sp.parent), sp[:relative_bbox])
         plotarea!(sp, p_area)
 
-        bbox!(sp, bbox(
-            left(p_area) - leftpad(sp),
-            top(p_area) - toppad(sp),
-            width(p_area) + leftpad(sp) + rightpad(sp),
-            height(p_area) + toppad(sp) + bottompad(sp)
-        ))
+        bbox!(
+            sp,
+            bbox(
+                left(p_area) - leftpad(sp),
+                top(p_area) - toppad(sp),
+                width(p_area) + leftpad(sp) + rightpad(sp),
+                height(p_area) + toppad(sp) + bottompad(sp),
+            ),
+        )
     end
 end
 
 # ----------------------------------------------------------------------
 
-calc_num_subplots(layout::AbstractLayout) = 1
+calc_num_subplots(layout::AbstractLayout) = get(layout.attr, :blank, false) ? 0 : 1
 function calc_num_subplots(layout::GridLayout)
     tot = 0
     for l in layout.grid
@@ -464,14 +446,16 @@ end
 # constructors
 
 # pass the layout arg through
-function layout_args(plotattributes::KW)
-    layout_args(get(plotattributes, :layout, default(:layout)))
+function layout_args(plotattributes::AKW)
+    layout_args(plotattributes[:layout])
 end
 
-function layout_args(plotattributes::KW, n_override::Integer)
-    layout, n = layout_args(get(plotattributes, :layout, n_override))
+function layout_args(plotattributes::AKW, n_override::Integer)
+    layout, n = layout_args(n_override, get(plotattributes, :layout, n_override))
     if n != n_override
-        error("When doing layout, n ($n) != n_override ($(n_override)).  You're probably trying to force existing plots into a layout that doesn't fit them.")
+        error(
+            "When doing layout, n ($n) != n_override ($(n_override)).  You're probably trying to force existing plots into a layout that doesn't fit them.",
+        )
     end
     layout, n
 end
@@ -481,12 +465,27 @@ function layout_args(n::Integer)
     GridLayout(nr, nc), n
 end
 
-function layout_args(sztup::NTuple{2,I}) where I<:Integer
+function layout_args(sztup::NTuple{2,Integer})
     nr, nc = sztup
-    GridLayout(nr, nc), nr*nc
+    GridLayout(nr, nc), nr * nc
 end
 
-function layout_args(sztup::NTuple{3,I}) where I<:Integer
+layout_args(n_override::Integer, n::Integer) = layout_args(n)
+layout_args(n, sztup::NTuple{2,Integer}) = layout_args(sztup)
+
+function layout_args(n, sztup::Tuple{Colon,Integer})
+    nc = sztup[2]
+    nr = ceil(Int, n / nc)
+    GridLayout(nr, nc), n
+end
+
+function layout_args(n, sztup::Tuple{Integer,Colon})
+    nr = sztup[1]
+    nc = ceil(Int, n / nr)
+    GridLayout(nr, nc), n
+end
+
+function layout_args(sztup::NTuple{3,Integer})
     n, nr, nc = sztup
     nr, nc = compute_gridsize(n, nr, nc)
     GridLayout(nr, nc), n
@@ -499,55 +498,62 @@ function layout_args(layout::GridLayout)
     layout, n
 end
 
-layout_args(huh) = error("unhandled layout type $(typeof(huh)): $huh")
+layout_args(n_override::Integer, layout::GridLayout) = layout_args(layout)
 
+layout_args(huh) = error("unhandled layout type $(typeof(huh)): $huh")
 
 # ----------------------------------------------------------------------
 
-
 function build_layout(args...)
     layout, n = layout_args(args...)
-    build_layout(layout, n)
+    build_layout(layout, n, Array{Plot}(undef, 0))
 end
 
-# # just a single subplot
-# function build_layout(sp::Subplot, n::Integer)
-#     sp, Subplot[sp], SubplotMap(gensym() => sp)
-# end
-
-# n is the number of subplots... build a grid and initialize the inner subplots recursively
-function build_layout(layout::GridLayout, n::Integer)
+# n is the number of subplots...
+function build_layout(layout::GridLayout, n::Integer, plts::AVec{Plot})
     nr, nc = size(layout)
     subplots = Subplot[]
     spmap = SubplotMap()
+    empty = isempty(plts)
     i = 0
-    for r=1:nr, c=1:nc
-        l = layout[r,c]
+    for r in 1:nr, c in 1:nc
+        l = layout[r, c]
         if isa(l, EmptyLayout) && !get(l.attr, :blank, false)
-            sp = Subplot(backend(), parent=layout)
-            layout[r,c] = sp
-            push!(subplots, sp)
-            spmap[attr(l,:label,gensym())] = sp
+            if empty
+                # initialize the inner subplots recursively
+                sp = Subplot(backend(), parent = layout)
+                layout[r, c] = sp
+                push!(subplots, sp)
+                spmap[attr(l, :label, gensym())] = sp
+                inc = 1
+            else
+                # build a layout from a list of existing Plot objects
+                plt = popfirst!(plts)  # grab the first plot out of the list
+                layout[r, c] = plt.layout
+                append!(subplots, plt.subplots)
+                merge!(spmap, plt.spmap)
+                inc = length(plt.subplots)
+            end
             if get(l.attr, :width, :auto) != :auto
-                layout.widths[c] = attr(l,:width)
+                layout.widths[c] = attr(l, :width)
             end
             if get(l.attr, :height, :auto) != :auto
-                layout.heights[r] = attr(l,:height)
+                layout.heights[r] = attr(l, :height)
             end
-            i += 1
+            i += inc
         elseif isa(l, GridLayout)
             # sub-grid
             if get(l.attr, :width, :auto) != :auto
-                layout.widths[c] = attr(l,:width)
+                layout.widths[c] = attr(l, :width)
             end
             if get(l.attr, :height, :auto) != :auto
-                layout.heights[r] = attr(l,:height)
+                layout.heights[r] = attr(l, :height)
             end
-            l, sps, m = build_layout(l, n-i)
+            l, sps, m = build_layout(l, n - i, plts)
             append!(subplots, sps)
             merge!(spmap, m)
             i += length(sps)
-        elseif isa(l, Subplot)
+        elseif isa(l, Subplot) && empty
             error("Subplot exists. Cannot re-use existing layout.  Please make a new one.")
         end
         i >= n && break  # only add n subplots
@@ -556,50 +562,10 @@ function build_layout(layout::GridLayout, n::Integer)
     layout, subplots, spmap
 end
 
-# build a layout from a list of existing Plot objects
-# TODO... much of the logic overlaps with the method above... can we merge?
-function build_layout(layout::GridLayout, numsp::Integer, plts::AVec{Plot})
-    nr, nc = size(layout)
-    subplots = Subplot[]
-    spmap = SubplotMap()
-    i = 0
-    for r=1:nr, c=1:nc
-        l = layout[r,c]
-        if isa(l, EmptyLayout) && !get(l.attr, :blank, false)
-            plt = popfirst!(plts)  # grab the first plot out of the list
-            layout[r,c] = plt.layout
-            append!(subplots, plt.subplots)
-            merge!(spmap, plt.spmap)
-            if get(l.attr, :width, :auto) != :auto
-                layout.widths[c] = attr(l,:width)
-            end
-            if get(l.attr, :height, :auto) != :auto
-                layout.heights[r] = attr(l,:height)
-            end
-            i += length(plt.subplots)
-        elseif isa(l, GridLayout)
-            # sub-grid
-            if get(l.attr, :width, :auto) != :auto
-                layout.widths[c] = attr(l,:width)
-            end
-            if get(l.attr, :height, :auto) != :auto
-                layout.heights[r] = attr(l,:height)
-            end
-            l, sps, m = build_layout(l, numsp-i, plts)
-            append!(subplots, sps)
-            merge!(spmap, m)
-            i += length(sps)
-        end
-        i >= numsp && break  # only add n subplots
-    end
-    layout, subplots, spmap
-end
-
-
 # ----------------------------------------------------------------------
 # @layout macro
 
-function add_layout_pct!(kw::KW, v::Expr, idx::Integer, nidx::Integer)
+function add_layout_pct!(kw::AKW, v::Expr, idx::Integer, nidx::Integer)
     # dump(v)
     # something like {0.2w}?
     if v.head == :call && v.args[1] == :*
@@ -607,9 +573,9 @@ function add_layout_pct!(kw::KW, v::Expr, idx::Integer, nidx::Integer)
         if length(v.args) == 3 && isa(num, Number)
             units = v.args[3]
             if units == :h
-                return kw[:h] = num*pct
+                return kw[:h] = num * pct
             elseif units == :w
-                return kw[:w] = num*pct
+                return kw[:w] = num * pct
             elseif units in (:pct, :px, :mm, :cm, :inch)
                 idx == 1 && (kw[:w] = v)
                 (idx == 2 || nidx == 1) && (kw[:h] = v)
@@ -620,25 +586,31 @@ function add_layout_pct!(kw::KW, v::Expr, idx::Integer, nidx::Integer)
     error("Couldn't match layout curly (idx=$idx): $v")
 end
 
-function add_layout_pct!(kw::KW, v::Number, idx::Integer)
+function add_layout_pct!(kw::AKW, v::Number, idx::Integer)
     # kw[idx == 1 ? :w : :h] = v*pct
-    idx == 1 && (kw[:w] = v*pct)
-    (idx == 2 || nidx == 1) && (kw[:h] = v*pct)
+    idx == 1 && (kw[:w] = v * pct)
+    (idx == 2 || nidx == 1) && (kw[:h] = v * pct)
 end
 
-isrow(v) = isa(v, Expr) && v.head in (:hcat,:row)
+isrow(v) = isa(v, Expr) && v.head in (:hcat, :row)
 iscol(v) = isa(v, Expr) && v.head == :vcat
 rowsize(v) = isrow(v) ? length(v.args) : 1
 
-
 function create_grid(expr::Expr)
     if iscol(expr)
         create_grid_vcat(expr)
     elseif isrow(expr)
-        :(let cell = GridLayout(1, $(length(expr.args)))
-            $([:(cell[1,$i] = $(create_grid(v))) for (i,v) in enumerate(expr.args)]...)
-            cell
-        end)
+        :(
+            let cell = GridLayout(1, $(length(expr.args)))
+                $(
+                    [
+                        :(cell[1, $i] = $(create_grid(v))) for
+                        (i, v) in enumerate(expr.args)
+                    ]...
+                )
+                cell
+            end
+        )
 
     elseif expr.head == :curly
         create_grid_curly(expr)
@@ -657,39 +629,58 @@ function create_grid_vcat(expr::Expr)
         nr = length(expr.args)
         nc = rmin
         body = Expr(:block)
-        for r=1:nr
+        for r in 1:nr
             arg = expr.args[r]
             if isrow(arg)
-                for (c,item) in enumerate(arg.args)
-                    push!(body.args, :(cell[$r,$c] = $(create_grid(item))))
+                for (c, item) in enumerate(arg.args)
+                    push!(body.args, :(cell[$r, $c] = $(create_grid(item))))
                 end
             else
-                push!(body.args, :(cell[$r,1] = $(create_grid(arg))))
+                push!(body.args, :(cell[$r, 1] = $(create_grid(arg))))
             end
         end
-        :(let cell = GridLayout($nr, $nc)
-            $body
-            cell
-        end)
+        :(
+            let cell = GridLayout($nr, $nc)
+                $body
+                cell
+            end
+        )
     else
         # otherwise just build one row at a time
-        :(let cell = GridLayout($(length(expr.args)), 1)
-            $([:(cell[$i,1] = $(create_grid(v))) for (i,v) in enumerate(expr.args)]...)
-            cell
-        end)
+        :(
+            let cell = GridLayout($(length(expr.args)), 1)
+                $(
+                    [
+                        :(cell[$i, 1] = $(create_grid(v))) for
+                        (i, v) in enumerate(expr.args)
+                    ]...
+                )
+                cell
+            end
+        )
     end
 end
 
 function create_grid_curly(expr::Expr)
     kw = KW()
-    for (i,arg) in enumerate(expr.args[2:end])
-        add_layout_pct!(kw, arg, i, length(expr.args)-1)
+    for (i, arg) in enumerate(expr.args[2:end])
+        add_layout_pct!(kw, arg, i, length(expr.args) - 1)
     end
     s = expr.args[1]
     if isa(s, Expr) && s.head == :call && s.args[1] == :grid
-        create_grid(:(grid($(s.args[2:end]...), width = $(get(kw, :w, QuoteNode(:auto))), height = $(get(kw, :h, QuoteNode(:auto))))))
+        create_grid(
+            :(grid(
+                $(s.args[2:end]...),
+                width = $(get(kw, :w, QuoteNode(:auto))),
+                height = $(get(kw, :h, QuoteNode(:auto))),
+            )),
+        )
     elseif isa(s, Symbol)
-        :(EmptyLayout(label = $(QuoteNode(s)), width = $(get(kw, :w, QuoteNode(:auto))), height = $(get(kw, :h, QuoteNode(:auto)))))
+        :(EmptyLayout(
+            label = $(QuoteNode(s)),
+            width = $(get(kw, :w, QuoteNode(:auto))),
+            height = $(get(kw, :h, QuoteNode(:auto))),
+        ))
     else
         error("Unknown use of curly brackets: $expr")
     end
@@ -703,14 +694,13 @@ macro layout(mat::Expr)
     create_grid(mat)
 end
 
-
 # -------------------------------------------------------------------------
 
 # make all reference the same axis extrema/values.
 # merge subplot lists.
 function link_axes!(axes::Axis...)
     a1 = axes[1]
-    for i=2:length(axes)
+    for i in 2:length(axes)
         a2 = axes[i]
         expand_extrema!(a1, ignorenan_extrema(a2))
         for k in (:extrema, :discrete_values, :continuous_values, :discrete_map)
@@ -732,8 +722,8 @@ function link_subplots(a::AbstractArray{AbstractLayout}, axissym::Symbol)
     for l in a
         if isa(l, Subplot)
             push!(subplots, l)
-        elseif isa(l, GridLayout) && size(l) == (1,1)
-            push!(subplots, l[1,1])
+        elseif isa(l, GridLayout) && size(l) == (1, 1)
+            push!(subplots, l[1, 1])
         end
     end
     subplots
@@ -749,20 +739,19 @@ function link_axes!(a::AbstractArray{AbstractLayout}, axissym::Symbol)
 end
 
 # don't do anything for most layout types
-function link_axes!(l::AbstractLayout, link::Symbol)
-end
+function link_axes!(l::AbstractLayout, link::Symbol) end
 
 # process a GridLayout, recursively linking axes according to the link symbol
 function link_axes!(layout::GridLayout, link::Symbol)
     nr, nc = size(layout)
     if link in (:x, :both)
-        for c=1:nc
-            link_axes!(layout.grid[:,c], :xaxis)
+        for c in 1:nc
+            link_axes!(layout.grid[:, c], :xaxis)
         end
     end
     if link in (:y, :both)
-        for r=1:nr
-            link_axes!(layout.grid[r,:], :yaxis)
+        for r in 1:nr
+            link_axes!(layout.grid[r, :], :yaxis)
         end
     end
     if link == :square
@@ -788,11 +777,20 @@ end
 
 "Adds a new, empty subplot overlayed on top of `sp`, with a mirrored y-axis and linked x-axis."
 function twinx(sp::Subplot)
-    sp[:right_margin] = max(sp[:right_margin], 30px)
-    plot!(sp.plt, inset = (sp[:subplot_index], bbox(0,0,1,1)))
+    plot!(
+        sp.plt,
+        inset = (sp[:subplot_index], bbox(0, 0, 1, 1)),
+        right_margin = sp[:right_margin],
+        left_margin = sp[:left_margin],
+        top_margin = sp[:top_margin],
+        bottom_margin = sp[:bottom_margin],
+    )
     twinsp = sp.plt.subplots[end]
+    twinsp[:xaxis][:grid] = false
+    twinsp[:yaxis][:grid] = false
+    twinsp[:xaxis][:showaxis] = false
     twinsp[:yaxis][:mirror] = true
-    twinsp[:background_color_inside] = RGBA{Float64}(0,0,0,0)
+    twinsp[:background_color_inside] = RGBA{Float64}(0, 0, 0, 0)
     link_axes!(sp[:xaxis], twinsp[:xaxis])
     twinsp
 end

src/legend.jl

@@ -0,0 +1,58 @@
+"""
+```julia
+legend_pos_from_angle(theta, xmin, xcenter, xmax, ymin, ycenter, ymax, inout)
+```
+
+Return `(x,y)` at an angle `theta` degrees from
+`(xcenter,ycenter)` on a rectangle defined by (`xmin`,
+`xmax`, `ymin`, `ymax`).
+"""
+function legend_pos_from_angle(theta, xmin, xcenter, xmax, ymin, ycenter, ymax)
+    (s, c) = sincosd(theta)
+    x = c < 0 ? (xmin - xcenter) / c : (xmax - xcenter) / c
+    y = s < 0 ? (ymin - ycenter) / s : (ymax - ycenter) / s
+    A = min(x, y)
+    return (xcenter + A * c, ycenter + A * s)
+end
+
+"""
+Split continuous range `[-1,1]` evenly into an integer `[1,2,3]`
+"""
+function legend_anchor_index(x)
+    x < -1 // 3 && return 1
+    x < 1 // 3 && return 2
+    return 3
+end
+
+"""
+Turn legend argument into a (theta, :inner) or (theta, :outer) tuple.
+For backends where legend position is given in normal coordinates (0,0) -- (1,1),
+so :topleft exactly corresponds to (45, :inner) etc.
+
+If `leg` is a (::Real,::Real) tuple, keep it as is.
+"""
+legend_angle(leg::Real) = (leg, :inner)
+legend_angle(leg::Tuple{S,T}) where {S<:Real,T<:Real} = leg
+legend_angle(leg::Tuple{S,Symbol}) where {S<:Real} = leg
+legend_angle(leg::Symbol) = get(
+    (
+        topleft          = (135, :inner),
+        top              = (90, :inner),
+        topright         = (45, :inner),
+        left             = (180, :inner),
+        right            = (0, :inner),
+        bottomleft       = (225, :inner),
+        bottom           = (270, :inner),
+        bottomright      = (315, :inner),
+        outertopleft     = (135, :outer),
+        outertop         = (90, :outer),
+        outertopright    = (45, :outer),
+        outerleft        = (180, :outer),
+        outerright       = (0, :outer),
+        outerbottomleft  = (225, :outer),
+        outerbottom      = (270, :outer),
+        outerbottomright = (315, :outer),
+    ),
+    leg,
+    (45, :inner),
+)

src/output.jl

@@ -1,57 +1,62 @@
 
-
 defaultOutputFormat(plt::Plot) = "png"
 
 function png(plt::Plot, fn::AbstractString)
-  fn = addExtension(fn, "png")
-  io = open(fn, "w")
-  show(io, MIME("image/png"), plt)
-  close(io)
+    fn = addExtension(fn, "png")
+    io = open(fn, "w")
+    show(io, MIME("image/png"), plt)
+    close(io)
 end
 png(fn::AbstractString) = png(current(), fn)
 
 function svg(plt::Plot, fn::AbstractString)
-  fn = addExtension(fn, "svg")
-  io = open(fn, "w")
-  show(io, MIME("image/svg+xml"), plt)
-  close(io)
+    fn = addExtension(fn, "svg")
+    io = open(fn, "w")
+    show(io, MIME("image/svg+xml"), plt)
+    close(io)
 end
 svg(fn::AbstractString) = svg(current(), fn)
 
-
 function pdf(plt::Plot, fn::AbstractString)
-  fn = addExtension(fn, "pdf")
-  io = open(fn, "w")
-  show(io, MIME("application/pdf"), plt)
-  close(io)
+    fn = addExtension(fn, "pdf")
+    io = open(fn, "w")
+    show(io, MIME("application/pdf"), plt)
+    close(io)
 end
 pdf(fn::AbstractString) = pdf(current(), fn)
 
-
 function ps(plt::Plot, fn::AbstractString)
-  fn = addExtension(fn, "ps")
-  io = open(fn, "w")
-  show(io, MIME("application/postscript"), plt)
-  close(io)
+    fn = addExtension(fn, "ps")
+    io = open(fn, "w")
+    show(io, MIME("application/postscript"), plt)
+    close(io)
 end
 ps(fn::AbstractString) = ps(current(), fn)
 
 function eps(plt::Plot, fn::AbstractString)
-  fn = addExtension(fn, "eps")
-  io = open(fn, "w")
-  show(io, MIME("image/eps"), plt)
-  close(io)
+    fn = addExtension(fn, "eps")
+    io = open(fn, "w")
+    show(io, MIME("image/eps"), plt)
+    close(io)
 end
 eps(fn::AbstractString) = eps(current(), fn)
 
 function tex(plt::Plot, fn::AbstractString)
-  fn = addExtension(fn, "tex")
-  io = open(fn, "w")
-  show(io, MIME("application/x-tex"), plt)
-  close(io)
+    fn = addExtension(fn, "tex")
+    io = open(fn, "w")
+    show(io, MIME("application/x-tex"), plt)
+    close(io)
 end
 tex(fn::AbstractString) = tex(current(), fn)
 
+function json(plt::Plot, fn::AbstractString)
+    fn = addExtension(fn, "json")
+    io = open(fn, "w")
+    show(io, MIME("application/vnd.plotly.v1+json"), plt)
+    close(io)
+end
+json(fn::AbstractString) = json(current(), fn)
+
 function html(plt::Plot, fn::AbstractString)
     fn = addExtension(fn, "html")
     io = open(fn, "w")
@@ -60,39 +65,39 @@ function html(plt::Plot, fn::AbstractString)
 end
 html(fn::AbstractString) = html(current(), fn)
 
+function txt(plt::Plot, fn::AbstractString)
+    fn = addExtension(fn, "txt")
+    io = open(fn, "w")
+    show(io, MIME("text/plain"), plt)
+    close(io)
+end
+txt(fn::AbstractString) = txt(current(), fn)
 
 # ----------------------------------------------------------------
 
-
 const _savemap = Dict(
     "png" => png,
     "svg" => svg,
     "pdf" => pdf,
-    "ps"  => ps,
+    "ps" => ps,
     "eps" => eps,
     "tex" => tex,
+    "json" => json,
     "html" => html,
-  )
+    "tikz" => tex,
+    "txt" => txt,
+)
 
-function getExtension(fn::AbstractString)
-  pieces = split(fn, ".")
-  length(pieces) > 1 || error("Can't extract file extension: ", fn)
-  ext = pieces[end]
-  haskey(_savemap, ext) || error("Invalid file extension: ", fn)
-  ext
-end
+const _extension_map = Dict("tikz" => "tex")
 
 function addExtension(fn::AbstractString, ext::AbstractString)
-  try
-    oldext = getExtension(fn)
-    if oldext == ext
-      return fn
+    oldfn, oldext = splitext(fn)
+    oldext = chop(oldext, head = 1, tail = 0)
+    if get(_extension_map, oldext, oldext) == ext
+        return fn
     else
-      return "$fn.$ext"
+        return string(fn, ".", ext)
     end
-  catch
-    return "$fn.$ext"
-  end
 end
 
 """
@@ -103,27 +108,27 @@ type is inferred from the file extension. All backends support png and pdf
 file types, some also support svg, ps, eps, html and tex.
 """
 function savefig(plt::Plot, fn::AbstractString)
-  fn = abspath(expanduser(fn))
-  # get the extension
-  local ext
-  try
-    ext = getExtension(fn)
-  catch
-    # if we couldn't extract the extension, add the default
-    ext = defaultOutputFormat(plt)
-    fn = addExtension(fn, ext)
-  end
+    fn = abspath(expanduser(fn))
 
-  # save it
-  func = get(_savemap, ext) do
-    error("Unsupported extension $ext with filename ", fn)
-  end
-  func(plt, fn)
+    # get the extension
+    _, ext = splitext(fn)
+    ext = chop(ext, head = 1, tail = 0)
+    if isempty(ext)
+        ext = defaultOutputFormat(plt)
+    end
+
+    # save it
+    if haskey(_savemap, ext)
+        func = _savemap[ext]
+        return func(plt, fn)
+    else
+        error("Invalid file extension: ", fn)
+    end
 end
 savefig(fn::AbstractString) = savefig(current(), fn)
 
-
 # ---------------------------------------------------------
+
 """
     gui([plot])
 
@@ -146,17 +151,13 @@ end
 _do_plot_show(plt, showval::Bool) = showval && gui(plt)
 function _do_plot_show(plt, showval::Symbol)
     showval == :gui && gui(plt)
-    showval in (:inline,:ijulia) && inline(plt)
+    showval in (:inline, :ijulia) && inline(plt)
 end
 
 # ---------------------------------------------------------
 
-const _best_html_output_type = KW(
-    :pyplot => :png,
-    :unicodeplots => :txt,
-    :plotlyjs => :html,
-    :plotly => :html
-)
+const _best_html_output_type =
+    KW(:pyplot => :png, :unicodeplots => :txt, :plotlyjs => :html, :plotly => :html)
 
 # a backup for html... passes to svg or png depending on the html_output_format arg
 function _show(io::IO, ::MIME"text/html", plt::Plot)
@@ -166,7 +167,12 @@ function _show(io::IO, ::MIME"text/html", plt::Plot)
     end
     if output_type == :png
         # @info("writing png to html output")
-        print(io, "<img src=\"data:image/png;base64,", base64encode(show, MIME("image/png"), plt), "\" />")
+        print(
+            io,
+            "<img src=\"data:image/png;base64,",
+            base64encode(show, MIME("image/png"), plt),
+            "\" />",
+        )
     elseif output_type == :svg
         # @info("writing svg to html output")
         show(io, MIME("image/svg+xml"), plt)
@@ -178,36 +184,44 @@ function _show(io::IO, ::MIME"text/html", plt::Plot)
 end
 
 # delegate showable to _show instead
-function Base.showable(m::M, plt::P) where {M<:MIME, P<:Plot}
-    return hasmethod(_show, Tuple{IO, M, P})
+function Base.showable(m::M, plt::P) where {M<:MIME,P<:Plot}
+    return hasmethod(_show, Tuple{IO,M,P})
 end
 
 function _display(plt::Plot)
     @warn("_display is not defined for this backend.")
 end
 
+Base.show(io::IO, m::MIME"text/plain", plt::Plot) = show(io, plt)
 # for writing to io streams... first prepare, then callback
-for mime in ("text/plain", "text/html", "image/png", "image/eps", "image/svg+xml",
-             "application/eps", "application/pdf", "application/postscript",
-             "application/x-tex", "application/vnd.plotly.v1+json")
+for mime in (
+    "text/html",
+    "image/png",
+    "image/eps",
+    "image/svg+xml",
+    "application/eps",
+    "application/pdf",
+    "application/postscript",
+    "application/x-tex",
+    "application/vnd.plotly.v1+json",
+)
     @eval function Base.show(io::IO, m::MIME{Symbol($mime)}, plt::Plot)
         if haskey(io, :juno_plotsize)
-          showjuno(io, m, plt)
+            showjuno(io, m, plt)
         else
-          prepare_output(plt)
-          _show(io, m, plt)
+            prepare_output(plt)
+            _show(io, m, plt)
         end
         return nothing
     end
 end
 
-# default text/plain for all backends
-_show(io::IO, ::MIME{Symbol("text/plain")}, plt::Plot) = show(io, plt)
+Base.show(io::IO, m::MIME"application/prs.juno.plotpane+html", plt::Plot) =
+    showjuno(io, MIME("text/html"), plt)
 
 "Close all open gui windows of the current backend"
 closeall() = closeall(backend())
 
-
 # function html_output_format(fmt)
 #     if fmt == "png"
 #         @eval function Base.show(io::IO, ::MIME"text/html", plt::Plot)
@@ -224,38 +238,32 @@ closeall() = closeall(backend())
 #
 # html_output_format("svg")
 
-
 # ---------------------------------------------------------
 # Atom PlotPane
 # ---------------------------------------------------------
 function showjuno(io::IO, m, plt)
-    sz = plt[:size]
     dpi = plt[:dpi]
-    thickness_scaling = plt[:thickness_scaling]
 
-    jsize = get(io, :juno_plotsize, [400, 500])
+    jratio = get(io, :juno_dpi_ratio, 1)
 
-    scale = minimum(jsize[i] / sz[i] for i in 1:2)
-    plt[:size] = (s * scale for s in sz)
-    plt[:dpi] = Plots.DPI
-    plt[:thickness_scaling] *= scale
+    plt[:dpi] = jratio * Plots.DPI
 
     prepare_output(plt)
     try
-      _showjuno(io, m, plt)
+        _showjuno(io, m, plt)
     finally
-      plt[:size] = sz
-      plt[:dpi] = dpi
-      plt[:thickness_scaling] = thickness_scaling
+        plt[:dpi] = dpi
     end
 end
 
 function _showjuno(io::IO, m::MIME"image/svg+xml", plt)
-  if Symbol(plt.attr[:html_output_format]) ≠ :svg
-    throw(MethodError(show, (typeof(m), typeof(plt))))
-  else
-    _show(io, m, plt)
-  end
+    if Symbol(plt.attr[:html_output_format]) ≠ :svg
+        throw(MethodError(show, (typeof(m), typeof(plt))))
+    else
+        _show(io, m, plt)
+    end
 end
 
+Base.showable(::MIME"application/prs.juno.plotpane+html", plt::Plot) = false
+
 _showjuno(io::IO, m, plt) = _show(io, m, plt)

src/pipeline.jl

@@ -1,103 +1,70 @@
+# RecipesPipeline API
 
+## Warnings
 
-# ------------------------------------------------------------------
-# preprocessing
-
-function command_idx(kw_list::AVec{KW}, kw::KW)
-    Int(kw[:series_plotindex]) - Int(kw_list[1][:series_plotindex]) + 1
-end
-
-function _expand_seriestype_array(plotattributes::KW, args)
-    sts = get(plotattributes, :seriestype, :path)
-    if typeof(sts) <: AbstractArray
-        delete!(plotattributes, :seriestype)
-        rd = Vector{RecipeData}(undef, size(sts, 1))
-        for r in 1:size(sts, 1)
-            dc = copy(plotattributes)
-            dc[:seriestype] = sts[r:r,:]
-            rd[r] = RecipeData(dc, args)
-        end
-        rd
-    else
-        RecipeData[RecipeData(copy(plotattributes), args)]
-    end
-end
-
-function _preprocess_args(plotattributes::KW, args, still_to_process::Vector{RecipeData})
-    # the grouping mechanism is a recipe on a GroupBy object
-    # we simply add the GroupBy object to the front of the args list to allow
-    # the recipe to be applied
-    if haskey(plotattributes, :group)
-        args = (extractGroupArgs(plotattributes[:group], args...), args...)
-    end
-
-    # if we were passed a vector/matrix of seriestypes and there's more than one row,
-    # we want to duplicate the inputs, once for each seriestype row.
-    if !isempty(args)
-        append!(still_to_process, _expand_seriestype_array(plotattributes, args))
-    end
-
-    # remove subplot and axis args from plotattributes... they will be passed through in the kw_list
-    if !isempty(args)
-        for (k,v) in plotattributes
-            for defdict in (_subplot_defaults,
-                            _axis_defaults,
-                            _axis_defaults_byletter)
-                if haskey(defdict, k)
-                    delete!(plotattributes, k)
+function RecipesPipeline.warn_on_recipe_aliases!(
+    plt::Plot,
+    plotattributes::AKW,
+    recipe_type::Symbol,
+    @nospecialize(args)
+)
+    for k in keys(plotattributes)
+        if !is_default_attribute(k)
+            dk = get(_keyAliases, k, k)
+            if k !== dk
+                if recipe_type == :user
+                    signature_string = RecipesPipeline.userrecipe_signature_string(args)
+                elseif recipe_type == :type
+                    signature_string = RecipesPipeline.typerecipe_signature_string(args)
+                elseif recipe_type == :plot
+                    signature_string = RecipesPipeline.plotrecipe_signature_string(args)
+                elseif recipe_type == :series
+                    signature_string = RecipesPipeline.seriesrecipe_signature_string(args)
+                else
+                    throw(ArgumentError("Invalid recipe type `$recipe_type`"))
                 end
+                @warn "Attribute alias `$k` detected in the $recipe_type recipe defined for the signature $signature_string. To ensure expected behavior it is recommended to use the default attribute `$dk`."
             end
+            plotattributes[dk] = RecipesPipeline.pop_kw!(plotattributes, k)
+        end
+    end
+end
+
+## Grouping
+
+RecipesPipeline.splittable_attribute(plt::Plot, key, val::SeriesAnnotations, len) =
+    RecipesPipeline.splittable_attribute(plt, key, val.strs, len)
+
+function RecipesPipeline.split_attribute(plt::Plot, key, val::SeriesAnnotations, indices)
+    split_strs = RecipesPipeline.split_attribute(plt, key, val.strs, indices)
+    return SeriesAnnotations(split_strs, val.font, val.baseshape, val.scalefactor)
+end
+
+## Preprocessing attributes
+function RecipesPipeline.preprocess_axis_args!(plt::Plot, plotattributes, letter)
+    # Fix letter for seriestypes that are x only but data gets passed as y
+    if treats_y_as_x(get(plotattributes, :seriestype, :path))
+        if get(plotattributes, :orientation, :vertical) == :vertical
+            letter = :x
         end
     end
 
-    args
+    plotattributes[:letter] = letter
+    RecipesPipeline.preprocess_axis_args!(plt, plotattributes)
 end
 
-# ------------------------------------------------------------------
-# user recipes
+RecipesPipeline.preprocess_attributes!(plt::Plot, plotattributes) =
+    RecipesPipeline.preprocess_attributes!(plotattributes) # in src/args.jl
 
+RecipesPipeline.is_axis_attribute(plt::Plot, attr) = is_axis_attr_noletter(attr) # in src/args.jl
 
-function _process_userrecipes(plt::Plot, plotattributes::KW, args)
-    still_to_process = RecipeData[]
-    args = _preprocess_args(plotattributes, args, still_to_process)
+RecipesPipeline.is_subplot_attribute(plt::Plot, attr) = is_subplot_attr(attr) # in src/args.jl
 
-    # for plotting recipes, swap out the args and update the parameter dictionary
-    # we are keeping a stack of series that still need to be processed.
-    # each pass through the loop, we pop one off and apply the recipe.
-    # the recipe will return a list a Series objects... the ones that are
-    # finished (no more args) get added to the kw_list, the ones that are not
-    # are placed on top of the stack and are then processed further.
-    kw_list = KW[]
-    while !isempty(still_to_process)
-        # grab the first in line to be processed and either add it to the kw_list or
-        # pass it through apply_recipe to generate a list of RecipeData objects (data + attributes)
-        # for further processing.
-        next_series = popfirst!(still_to_process)
-        # recipedata should be of type RecipeData.  if it's not then the inputs must not have been fully processed by recipes
-        if !(typeof(next_series) <: RecipeData)
-            error("Inputs couldn't be processed... expected RecipeData but got: $next_series")
-        end
-        if isempty(next_series.args)
-            _process_userrecipe(plt, kw_list, next_series)
-        else
-            rd_list = RecipesBase.apply_recipe(next_series.plotattributes, next_series.args...)
-            prepend!(still_to_process,rd_list)
-        end
-    end
+## User recipes
 
-    # don't allow something else to handle it
-    plotattributes[:smooth] = false
-    kw_list
-end
-
-function _process_userrecipe(plt::Plot, kw_list::Vector{KW}, recipedata::RecipeData)
-    # when the arg tuple is empty, that means there's nothing left to recursively
-    # process... finish up and add to the kw_list
-    kw = recipedata.plotattributes
-    preprocessArgs!(kw)
+function RecipesPipeline.process_userrecipe!(plt::Plot, kw_list, kw)
     _preprocess_userrecipe(kw)
-    warnOnUnsupported_scales(plt.backend, kw)
-
+    warn_on_unsupported_scales(plt.backend, kw)
     # add the plot index
     plt.n += 1
     kw[:series_plotindex] = plt.n
@@ -108,35 +75,36 @@ function _process_userrecipe(plt::Plot, kw_list::Vector{KW}, recipedata::RecipeD
     return
 end
 
-function _preprocess_userrecipe(kw::KW)
+function _preprocess_userrecipe(kw::AKW)
     _add_markershape(kw)
 
-    # if there was a grouping, filter the data here
-    _filter_input_data!(kw)
-
     # map marker_z if it's a Function
     if isa(get(kw, :marker_z, nothing), Function)
         # TODO: should this take y and/or z as arguments?
-        kw[:marker_z] = isa(kw[:z], Nothing) ? map(kw[:marker_z], kw[:x], kw[:y]) : map(kw[:marker_z], kw[:x], kw[:y], kw[:z])
+        kw[:marker_z] =
+            isa(kw[:z], Nothing) ? map(kw[:marker_z], kw[:x], kw[:y]) :
+            map(kw[:marker_z], kw[:x], kw[:y], kw[:z])
     end
 
     # map line_z if it's a Function
     if isa(get(kw, :line_z, nothing), Function)
-        kw[:line_z] = isa(kw[:z], Nothing) ? map(kw[:line_z], kw[:x], kw[:y]) : map(kw[:line_z], kw[:x], kw[:y], kw[:z])
+        kw[:line_z] =
+            isa(kw[:z], Nothing) ? map(kw[:line_z], kw[:x], kw[:y]) :
+            map(kw[:line_z], kw[:x], kw[:y], kw[:z])
     end
 
     # convert a ribbon into a fillrange
-    if get(kw, :ribbon, nothing) != nothing
+    if get(kw, :ribbon, nothing) !== nothing
         make_fillrange_from_ribbon(kw)
     end
     return
 end
 
-function _add_errorbar_kw(kw_list::Vector{KW}, kw::KW)
+function _add_errorbar_kw(kw_list::Vector{KW}, kw::AKW)
     # handle error bars by creating new recipedata data... these will have
     # the same recipedata index as the recipedata they are copied from
-    for esym in (:xerror, :yerror)
-        if get(kw, esym, nothing) != nothing
+    for esym in (:xerror, :yerror, :zerror)
+        if get(kw, esym, nothing) !== nothing
             # we make a copy of the KW and apply an errorbar recipe
             errkw = copy(kw)
             errkw[:seriestype] = esym
@@ -147,65 +115,62 @@ function _add_errorbar_kw(kw_list::Vector{KW}, kw::KW)
     end
 end
 
-function _add_smooth_kw(kw_list::Vector{KW}, kw::KW)
+function _add_smooth_kw(kw_list::Vector{KW}, kw::AKW)
     # handle smoothing by adding a new series
     if get(kw, :smooth, false)
         x, y = kw[:x], kw[:y]
         β, α = convert(Matrix{Float64}, [x ones(length(x))]) \ convert(Vector{Float64}, y)
         sx = [ignorenan_minimum(x), ignorenan_maximum(x)]
         sy = β .* sx .+ α
-        push!(kw_list, merge(copy(kw), KW(
-            :seriestype => :path,
-            :x => sx,
-            :y => sy,
-            :fillrange => nothing,
-            :label => "",
-            :primary => false,
-        )))
+        push!(
+            kw_list,
+            merge(
+                copy(kw),
+                KW(
+                    :seriestype => :path,
+                    :x => sx,
+                    :y => sy,
+                    :fillrange => nothing,
+                    :label => "",
+                    :primary => false,
+                ),
+            ),
+        )
     end
 end
 
-# ------------------------------------------------------------------
-# plot recipes
+RecipesPipeline.get_axis_limits(plt::Plot, letter) = axis_limits(plt[1], letter, false)
 
-# Grab the first in line to be processed and pass it through apply_recipe
-# to generate a list of RecipeData objects (data + attributes).
-# If we applied a "plot recipe" without error, then add the returned datalist's KWs,
-# otherwise we just add the original KW.
-function _process_plotrecipe(plt::Plot, kw::KW, kw_list::Vector{KW}, still_to_process::Vector{KW})
-    if !isa(get(kw, :seriestype, nothing), Symbol)
-        # seriestype was never set, or it's not a Symbol, so it can't be a plot recipe
-        push!(kw_list, kw)
-        return
-    end
-    try
-        st = kw[:seriestype]
-        st = kw[:seriestype] = get(_typeAliases, st, st)
-        datalist = RecipesBase.apply_recipe(kw, Val{st}, plt)
-        for data in datalist
-            preprocessArgs!(data.plotattributes)
-            if data.plotattributes[:seriestype] == st
-                error("Plot recipe $st returned the same seriestype: $(data.plotattributes)")
-            end
-            push!(still_to_process, data.plotattributes)
-        end
-    catch err
-        if isa(err, MethodError)
-            push!(kw_list, kw)
-        else
-            rethrow()
-        end
-    end
-    return
+## Plot recipes
+
+RecipesPipeline.type_alias(plt::Plot) = get(_typeAliases, st, st)
+
+## Plot setup
+
+function RecipesPipeline.plot_setup!(plt::Plot, plotattributes, kw_list)
+    _plot_setup(plt, plotattributes, kw_list)
+    _subplot_setup(plt, plotattributes, kw_list)
+    return nothing
 end
 
+function RecipesPipeline.process_sliced_series_attributes!(plt::Plots.Plot, kw_list)
+    # swap errors
+    err_inds =
+        findall(kw -> get(kw, :seriestype, :path) in (:xerror, :yerror, :zerror), kw_list)
+    for ind in err_inds
+        if get(kw_list[ind - 1], :seriestype, :path) == :scatter
+            tmp = copy(kw_list[ind])
+            kw_list[ind] = copy(kw_list[ind - 1])
+            kw_list[ind - 1] = tmp
+        end
+    end
+    return nothing
+end
 
-# ------------------------------------------------------------------
-# setup plot and subplot
-
-function _plot_setup(plt::Plot, plotattributes::KW, kw_list::Vector{KW})
+# TODO: Should some of this logic be moved to RecipesPipeline?
+function _plot_setup(plt::Plot, plotattributes::AKW, kw_list::Vector{KW})
     # merge in anything meant for the Plot
-    for kw in kw_list, (k,v) in kw
+    for kw in kw_list, (k, v) in kw
         haskey(_plot_defaults, k) && (plotattributes[k] = pop!(kw, k))
     end
 
@@ -216,7 +181,7 @@ function _plot_setup(plt::Plot, plotattributes::KW, kw_list::Vector{KW})
 
         # create the layout and subplots from the inputs
         plt.layout, plt.subplots, plt.spmap = build_layout(plt.attr)
-        for (idx,sp) in enumerate(plt.subplots)
+        for (idx, sp) in enumerate(plt.subplots)
             sp.plt = plt
             sp.attr[:subplot_index] = idx
         end
@@ -224,10 +189,9 @@ function _plot_setup(plt::Plot, plotattributes::KW, kw_list::Vector{KW})
         plt.init = true
     end
 
-
     # handle inset subplots
     insets = plt[:inset_subplots]
-    if insets != nothing
+    if insets !== nothing
         if !(typeof(insets) <: AVec)
             insets = [insets]
         end
@@ -241,7 +205,7 @@ function _plot_setup(plt::Plot, plotattributes::KW, kw_list::Vector{KW})
             else
                 parent = plt.layout
             end
-            sp = Subplot(backend(), parent=parent)
+            sp = Subplot(backend(), parent = parent)
             sp.plt = plt
             push!(plt.subplots, sp)
             push!(plt.inset_subplots, sp)
@@ -252,7 +216,7 @@ function _plot_setup(plt::Plot, plotattributes::KW, kw_list::Vector{KW})
     plt[:inset_subplots] = nothing
 end
 
-function _subplot_setup(plt::Plot, plotattributes::KW, kw_list::Vector{KW})
+function _subplot_setup(plt::Plot, plotattributes::AKW, kw_list::Vector{KW})
     # we'll keep a map of subplot to an attribute override dict.
     # Subplot/Axis attributes set by a user/series recipe apply only to the
     # Subplot object which they belong to.
@@ -261,24 +225,37 @@ function _subplot_setup(plt::Plot, plotattributes::KW, kw_list::Vector{KW})
     for kw in kw_list
         # get the Subplot object to which the series belongs.
         sps = get(kw, :subplot, :auto)
-        sp = get_subplot(plt, _cycle(sps == :auto ? plt.subplots : plt.subplots[sps], command_idx(kw_list,kw)))
+        sp = get_subplot(
+            plt,
+            _cycle(
+                sps == :auto ? plt.subplots : plt.subplots[sps],
+                series_idx(kw_list, kw),
+            ),
+        )
         kw[:subplot] = sp
 
         # extract subplot/axis attributes from kw and add to sp_attr
         attr = KW()
-        for (k,v) in collect(kw)
-            if haskey(_subplot_defaults, k) || haskey(_axis_defaults_byletter, k)
-                attr[k] = pop!(kw, k)
-            end
-            if haskey(_axis_defaults, k)
+        for (k, v) in collect(kw)
+            if is_subplot_attr(k) || is_axis_attr(k)
                 v = pop!(kw, k)
-                for letter in (:x,:y,:z)
-                    attr[Symbol(letter,k)] = v
+                if sps isa AbstractArray && v isa AbstractArray && length(v) == length(sps)
+                    v = v[series_idx(kw_list, kw)]
+                end
+                attr[k] = v
+            end
+            if is_axis_attr_noletter(k)
+                v = pop!(kw, k)
+                if sps isa AbstractArray && v isa AbstractArray && length(v) == length(sps)
+                    v = v[series_idx(kw_list, kw)]
+                end
+                for letter in (:x, :y, :z)
+                    attr[get_attr_symbol(letter, k)] = v
                 end
             end
-            for k in (:scale,), letter in (:x,:y,:z)
+            for k in (:scale,), letter in (:x, :y, :z)
                 # Series recipes may need access to this information
-                lk = Symbol(letter,k)
+                lk = get_attr_symbol(letter, k)
                 if haskey(attr, lk)
                     kw[lk] = attr[lk]
                 end
@@ -287,8 +264,9 @@ function _subplot_setup(plt::Plot, plotattributes::KW, kw_list::Vector{KW})
         sp_attrs[sp] = attr
     end
 
+    _add_plot_title!(plt)
     # override subplot/axis args.  `sp_attrs` take precendence
-    for (idx,sp) in enumerate(plt.subplots)
+    for (idx, sp) in enumerate(plt.subplots)
         attr = if !haskey(plotattributes, :subplot) || plotattributes[:subplot] == idx
             merge(plotattributes, get(sp_attrs, sp, KW()))
         else
@@ -299,11 +277,62 @@ function _subplot_setup(plt::Plot, plotattributes::KW, kw_list::Vector{KW})
 
     # do we need to link any axes together?
     link_axes!(plt.layout, plt[:link])
+    return nothing
+end
+
+function series_idx(kw_list::AVec{KW}, kw::AKW)
+    Int(kw[:series_plotindex]) - Int(kw_list[1][:series_plotindex]) + 1
+end
+
+function _add_plot_title!(plt)
+    plot_title = plt[:plot_title]
+    if plot_title != ""
+        the_layout = plt.layout
+        vspan = plt[:plot_titlevspan]
+        plt.layout = grid(2, 1, heights = (vspan, 1 - vspan))
+        plt.layout.grid[1, 1] = subplot = Subplot(plt.backend, parent = plt.layout[1, 1])
+        plt.layout.grid[2, 1] = the_layout
+        subplot.plt = plt
+        # propagate arguments plt[:plot_titleXXX] --> subplot[:titleXXX]
+        for sym in filter(x -> startswith(string(x), "plot_title"), keys(_plot_defaults))
+            subplot[Symbol(string(sym)[(length("plot_") + 1):end])] = plt[sym]
+        end
+        top = plt.backend isa PyPlotBackend ? nothing : 0mm
+        bot = 0mm
+        plt[:force_minpad] = nothing, top, nothing, bot
+        subplot[:subplot_index] = last(plt.subplots)[:subplot_index] + 1
+        plt[:plot_titleindex] = subplot[:subplot_index]
+        subplot[:framestyle] = :none
+        subplot[:margin] = 0px
+        push!(plt.subplots, subplot)
+    end
+    return nothing
+end
+
+## Series recipes
+
+function RecipesPipeline.slice_series_attributes!(plt::Plot, kw_list, kw)
+    sp::Subplot = kw[:subplot]
+    # in series attributes given as vector with one element per series,
+    # select the value for current series
+    _slice_series_args!(kw, plt, sp, series_idx(kw_list, kw))
+    return nothing
+end
+
+RecipesPipeline.series_defaults(plt::Plot) = _series_defaults # in args.jl
+
+RecipesPipeline.is_seriestype_supported(plt::Plot, st) = is_seriestype_supported(st)
+
+function RecipesPipeline.add_series!(plt::Plot, plotattributes)
+    sp = _prepare_subplot(plt, plotattributes)
+    _expand_subplot_extrema(sp, plotattributes, plotattributes[:seriestype])
+    _update_series_attributes!(plotattributes, plt, sp)
+    _add_the_series(plt, sp, plotattributes)
 end
 
 # getting ready to add the series... last update to subplot from anything
 # that might have been added during series recipes
-function _prepare_subplot(plt::Plot{T}, plotattributes::KW) where T
+function _prepare_subplot(plt::Plot{T}, plotattributes::AKW) where {T}
     st::Symbol = plotattributes[:seriestype]
     sp::Subplot{T} = plotattributes[:subplot]
     sp_idx = get_subplot_index(plt, sp)
@@ -312,7 +341,10 @@ function _prepare_subplot(plt::Plot{T}, plotattributes::KW) where T
     st = _override_seriestype_check(plotattributes, st)
 
     # change to a 3d projection for this subplot?
-    if is3d(st)
+    if (
+        RecipesPipeline.needs_3d_axes(st) ||
+        (st == :quiver && plotattributes[:z] !== nothing)
+    )
         sp.attr[:projection] = "3d"
     end
 
@@ -324,14 +356,14 @@ function _prepare_subplot(plt::Plot{T}, plotattributes::KW) where T
     sp
 end
 
-# ------------------------------------------------------------------
-# series types
-
-function _override_seriestype_check(plotattributes::KW, st::Symbol)
+function _override_seriestype_check(plotattributes::AKW, st::Symbol)
     # do we want to override the series type?
-    if !is3d(st) && !(st in (:contour,:contour3d))
+    if !RecipesPipeline.is3d(st) && !(st in (:contour, :contour3d, :quiver))
         z = plotattributes[:z]
-        if !isa(z, Nothing) && (size(plotattributes[:x]) == size(plotattributes[:y]) == size(z))
+        if (
+            z !== nothing &&
+            (size(plotattributes[:x]) == size(plotattributes[:y]) == size(z))
+        )
             st = (st == :scatter ? :scatter3d : :path3d)
             plotattributes[:seriestype] = st
         end
@@ -339,30 +371,22 @@ function _override_seriestype_check(plotattributes::KW, st::Symbol)
     st
 end
 
-function _prepare_annotations(sp::Subplot, plotattributes::KW)
-    # strip out series annotations (those which are based on series x/y coords)
-    # and add them to the subplot attr
-    sp_anns = annotations(sp[:annotations])
-    # series_anns = annotations(pop!(plotattributes, :series_annotations, []))
-    # if isa(series_anns, SeriesAnnotations)
-    #     series_anns.x = plotattributes[:x]
-    #     series_anns.y = plotattributes[:y]
-    # elseif length(series_anns) > 0
-    #     x, y = plotattributes[:x], plotattributes[:y]
-    #     nx, ny, na = map(length, (x,y,series_anns))
-    #     n = max(nx, ny, na)
-    #     series_anns = [(x[mod1(i,nx)], y[mod1(i,ny)], text(series_anns[mod1(i,na)])) for i=1:n]
-    # end
-    # sp.attr[:annotations] = vcat(sp_anns, series_anns)
+function needs_any_3d_axes(sp::Subplot)
+    any(
+        RecipesPipeline.needs_3d_axes(
+            _override_seriestype_check(s.plotattributes, s.plotattributes[:seriestype]),
+        ) for s in series_list(sp)
+    )
 end
 
-function _expand_subplot_extrema(sp::Subplot, plotattributes::KW, st::Symbol)
+function _expand_subplot_extrema(sp::Subplot, plotattributes::AKW, st::Symbol)
     # adjust extrema and discrete info
     if st == :image
-        xmin, xmax = ignorenan_extrema(plotattributes[:x]); ymin, ymax = ignorenan_extrema(plotattributes[:y])
+        xmin, xmax = ignorenan_extrema(plotattributes[:x])
+        ymin, ymax = ignorenan_extrema(plotattributes[:y])
         expand_extrema!(sp[:xaxis], (xmin, xmax))
         expand_extrema!(sp[:yaxis], (ymin, ymax))
-    elseif !(st in (:pie, :histogram, :bins2d, :histogram2d))
+    elseif !(st in (:histogram, :bins2d, :histogram2d))
         expand_extrema!(sp, plotattributes)
     end
     # expand for zerolines (axes through origin)
@@ -373,53 +397,24 @@ function _expand_subplot_extrema(sp::Subplot, plotattributes::KW, st::Symbol)
 end
 
 function _add_the_series(plt, sp, plotattributes)
-    warnOnUnsupported_args(plt.backend, plotattributes)
-    warnOnUnsupported(plt.backend, plotattributes)
+    extra_kwargs = warn_on_unsupported_args(plt.backend, plotattributes)
+    if (kw = plt[:extra_kwargs]) isa AbstractDict
+        plt[:extra_plot_kwargs] = get(kw, :plot, KW())
+        sp[:extra_kwargs] = get(kw, :subplot, KW())
+        plotattributes[:extra_kwargs] = get(kw, :series, KW())
+    elseif plt[:extra_kwargs] == :plot
+        plt[:extra_plot_kwargs] = extra_kwargs
+    elseif plt[:extra_kwargs] == :subplot
+        sp[:extra_kwargs] = extra_kwargs
+    elseif plt[:extra_kwargs] == :series
+        plotattributes[:extra_kwargs] = extra_kwargs
+    else
+        ArgumentError("Unsupported type for extra keyword arguments")
+    end
+    warn_on_unsupported(plt.backend, plotattributes)
     series = Series(plotattributes)
     push!(plt.series_list, series)
     push!(sp.series_list, series)
     _series_added(plt, series)
-end
-
-# -------------------------------------------------------------------------------
-
-# this method recursively applies series recipes when the seriestype is not supported
-# natively by the backend
-function _process_seriesrecipe(plt::Plot, plotattributes::KW)
-    # replace seriestype aliases
-    st = Symbol(plotattributes[:seriestype])
-    st = plotattributes[:seriestype] = get(_typeAliases, st, st)
-
-    # shapes shouldn't have fillrange set
-    if plotattributes[:seriestype] == :shape
-        plotattributes[:fillrange] = nothing
-    end
-
-    # if it's natively supported, finalize processing and pass along to the backend, otherwise recurse
-    if is_seriestype_supported(st)
-        sp = _prepare_subplot(plt, plotattributes)
-        _prepare_annotations(sp, plotattributes)
-        _expand_subplot_extrema(sp, plotattributes, st)
-        _update_series_attributes!(plotattributes, plt, sp)
-        _add_the_series(plt, sp, plotattributes)
-
-    else
-        # get a sub list of series for this seriestype
-        datalist = RecipesBase.apply_recipe(plotattributes, Val{st}, plotattributes[:x], plotattributes[:y], plotattributes[:z])
-
-        # assuming there was no error, recursively apply the series recipes
-        for data in datalist
-            if isa(data, RecipeData)
-                preprocessArgs!(data.plotattributes)
-                if data.plotattributes[:seriestype] == st
-                    error("The seriestype didn't change in series recipe $st.  This will cause a StackOverflow.")
-                end
-                _process_seriesrecipe(plt, data.plotattributes)
-            else
-                @warn("Unhandled recipe: $(data)")
-                break
-            end
-        end
-    end
-    nothing
+    _update_subplot_colorbars(sp)
 end

src/plot.jl

@@ -1,10 +1,10 @@
 
 mutable struct CurrentPlot
-    nullableplot::Union{AbstractPlot, Nothing}
+    nullableplot::Union{AbstractPlot,Nothing}
 end
 const CURRENT_PLOT = CurrentPlot(nothing)
 
-isplotnull() = CURRENT_PLOT.nullableplot == nothing
+isplotnull() = CURRENT_PLOT.nullableplot === nothing
 
 """
     current()
@@ -20,10 +20,44 @@ current(plot::AbstractPlot) = (CURRENT_PLOT.nullableplot = plot)
 
 # ---------------------------------------------------------
 
-
 Base.string(plt::Plot) = "Plot{$(plt.backend) n=$(plt.n)}"
 Base.print(io::IO, plt::Plot) = print(io, string(plt))
-Base.show(io::IO, plt::Plot) = print(io, string(plt))
+function Base.show(io::IO, plt::Plot)
+    print(io, string(plt))
+    sp_ekwargs = getindex.(plt.subplots, :extra_kwargs)
+    s_ekwargs = getindex.(plt.series_list, :extra_kwargs)
+    if (
+        isempty(plt[:extra_plot_kwargs]) &&
+        all(isempty, sp_ekwargs) &&
+        all(isempty, s_ekwargs)
+    )
+        return
+    end
+    print(io, "\nCaptured extra kwargs:\n")
+    do_show = true
+    for (key, value) in plt[:extra_plot_kwargs]
+        do_show && println(io, "  Plot:")
+        println(io, " "^4, key, ": ", value)
+        do_show = false
+    end
+    do_show = true
+    for (i, ekwargs) in enumerate(sp_ekwargs)
+        for (key, value) in ekwargs
+            do_show && println(io, "  SubplotPlot{$i}:")
+            println(io, " "^4, key, ": ", value)
+            do_show = false
+        end
+        do_show = true
+    end
+    for (i, ekwargs) in enumerate(s_ekwargs)
+        for (key, value) in ekwargs
+            do_show && println(io, "  Series{$i}:")
+            println(io, " "^4, key, ": ", value)
+            do_show = false
+        end
+        do_show = true
+    end
+end
 
 getplot(plt::Plot) = plt
 getattr(plt::Plot, idx::Int = 1) = plt.attr
@@ -31,7 +65,6 @@ convertSeriesIndex(plt::Plot, n::Int) = n
 
 # ---------------------------------------------------------
 
-
 """
 The main plot command. Use `plot` to create a new plot object, and `plot!` to add to an existing one:
 
@@ -42,14 +75,15 @@ The main plot command. Use `plot` to create a new plot object, and `plot!` to ad
 ```
 
 There are lots of ways to pass in data, and lots of keyword arguments... just try it and it will likely work as expected.
-When you pass in matrices, it splits by columns. To see the list of available attributes, use the `plotattr([attr])`
-function, where `attr` is the symbol `:Series:`, `:Subplot:`, `:Plot` or `:Axis`. Pass any attribute to `plotattr`
-as a String to look up its docstring; e.g. `plotattr("seriestype")`.
+When you pass in matrices, it splits by columns. To see the list of available attributes, use the `plotattr(attr)`
+function, where `attr` is the symbol `:Series`, `:Subplot`, `:Plot`, or `:Axis`. Pass any attribute to `plotattr`
+as a String to look up its docstring, e.g., `plotattr("seriestype")`.
 """
 function plot(args...; kw...)
+    @nospecialize
     # this creates a new plot with args/kw and sets it to be the current plot
     plotattributes = KW(kw)
-    preprocessArgs!(plotattributes)
+    RecipesPipeline.preprocess_attributes!(plotattributes)
 
     # create an empty Plot then process
     plt = Plot()
@@ -58,17 +92,21 @@ function plot(args...; kw...)
 end
 
 # build a new plot from existing plots
-# note: we split into plt1 and plts_tail so we can dispatch correctly
-function plot(plt1::Plot, plts_tail::Plot...; kw...)
+# note: we split into plt1, plt2 and plts_tail so we can dispatch correctly
+plot(plt1::Plot, plt2::Plot, plts_tail::Plot...; kw...) =
+    plot!(deepcopy(plt1), deepcopy(plt2), deepcopy.(plts_tail)...; kw...)
+function plot!(plt1::Plot, plt2::Plot, plts_tail::Plot...; kw...)
+    @nospecialize
     plotattributes = KW(kw)
-    preprocessArgs!(plotattributes)
+    RecipesPipeline.preprocess_attributes!(plotattributes)
 
     # build our plot vector from the args
-    n = length(plts_tail) + 1
+    n = length(plts_tail) + 2
     plts = Array{Plot}(undef, n)
     plts[1] = plt1
-    for (i,plt) in enumerate(plts_tail)
-        plts[i+1] = plt
+    plts[2] = plt2
+    for (i, plt) in enumerate(plts_tail)
+        plts[i + 2] = plt
     end
 
     # compute the layout
@@ -95,9 +133,9 @@ function plot(plt1::Plot, plts_tail::Plot...; kw...)
     plt.init = true
 
     series_attr = KW()
-    for (k,v) in plotattributes
-        if haskey(_series_defaults, k)
-            series_attr[k] = pop!(plotattributes,k)
+    for (k, v) in plotattributes
+        if is_series_attr(k)
+            series_attr[k] = pop!(plotattributes, k)
         end
     end
 
@@ -119,15 +157,16 @@ function plot(plt1::Plot, plts_tail::Plot...; kw...)
         sp.attr[:subplot_index] = idx
         for series in serieslist
             merge!(series.plotattributes, series_attr)
-            _add_defaults!(series.plotattributes, plt, sp, cmdidx)
+            _slice_series_args!(series.plotattributes, plt, sp, cmdidx)
             push!(plt.series_list, series)
             _series_added(plt, series)
             cmdidx += 1
         end
     end
+    _add_plot_title!(plt)
 
     # first apply any args for the subplots
-    for (idx,sp) in enumerate(plt.subplots)
+    for (idx, sp) in enumerate(plt.subplots)
         _update_subplot_args(plt, sp, plotattributes, idx, false)
     end
 
@@ -137,10 +176,9 @@ function plot(plt1::Plot, plts_tail::Plot...; kw...)
     plt
 end
 
-
-
 # this adds to the current plot, or creates a new plot if none are current
-function  plot!(args...; kw...)
+function plot!(args...; kw...)
+    @nospecialize
     local plt
     try
         plt = current()
@@ -151,9 +189,11 @@ function  plot!(args...; kw...)
 end
 
 # this adds to a specific plot... most plot commands will flow through here
+plot(plt::Plot, args...; kw...) = plot!(deepcopy(plt), args...; kw...)
 function plot!(plt::Plot, args...; kw...)
+    @nospecialize
     plotattributes = KW(kw)
-    preprocessArgs!(plotattributes)
+    RecipesPipeline.preprocess_attributes!(plotattributes)
     # merge!(plt.user_attr, plotattributes)
     _plot!(plt, plotattributes, args)
 end
@@ -163,98 +203,21 @@ end
 # this is the core plotting function.  recursively apply recipes to build
 # a list of series KW dicts.
 # note: at entry, we only have those preprocessed args which were passed in... no default values yet
-function _plot!(plt::Plot, plotattributes::KW, args::Tuple)
-    plotattributes[:plot_object] = plt
-
-    if !isempty(args) && !isdefined(Main, :StatsPlots) &&
-            first(split(string(typeof(args[1])), ".")) == "DataFrames"
-        @warn("You're trying to plot a DataFrame, but this functionality is provided by StatsPlots")
-    end
-
-    # --------------------------------
-    # "USER RECIPES"
-    # --------------------------------
-
-    kw_list = _process_userrecipes(plt, plotattributes, args)
-
-    # @info(1)
-    # map(DD, kw_list)
-
-
-    # --------------------------------
-    # "PLOT RECIPES"
-    # --------------------------------
-
-    # "plot recipe", which acts like a series type, and is processed before
-    # the plot layout is created, which allows for setting layouts and other plot-wide attributes.
-    # we get inputs which have been fully processed by "user recipes" and "type recipes",
-    # so we can expect standard vectors, surfaces, etc.  No defaults have been set yet.
-    still_to_process = kw_list
-    kw_list = KW[]
-    while !isempty(still_to_process)
-        next_kw = popfirst!(still_to_process)
-        _process_plotrecipe(plt, next_kw, kw_list, still_to_process)
-    end
-
-    # @info(2)
-    # map(DD, kw_list)
-
-    # --------------------------------
-    # Plot/Subplot/Layout setup
-    # --------------------------------
-    _plot_setup(plt, plotattributes, kw_list)
-    _subplot_setup(plt, plotattributes, kw_list)
-
-    # !!! note: At this point, kw_list is fully decomposed into individual series... one KW per series.          !!!
-    # !!!       The next step is to recursively apply series recipes until the backend supports that series type !!!
-
-    # --------------------------------
-    # "SERIES RECIPES"
-    # --------------------------------
-
-    # @info(3)
-    # map(DD, kw_list)
-
-    for kw in kw_list
-        sp::Subplot = kw[:subplot]
-        # idx = get_subplot_index(plt, sp)
-
-        # # we update subplot args in case something like the color palatte is part of the recipe
-        # _update_subplot_args(plt, sp, kw, idx, true)
-
-        # set default values, select from attribute cycles, and generally set the final attributes
-        _add_defaults!(kw, plt, sp, command_idx(kw_list,kw))
-
-        # now we have a fully specified series, with colors chosen.   we must recursively handle
-        # series recipes, which dispatch on seriestype.  If a backend does not natively support a seriestype,
-        # we check for a recipe that will convert that series type into one made up of lower-level components.
-        # For example, a histogram is just a bar plot with binned data, a bar plot is really a filled step plot,
-        # and a step plot is really just a path.  So any backend that supports drawing a path will implicitly
-        # be able to support step, bar, and histogram plots (and any recipes that use those components).
-        _process_seriesrecipe(plt, kw)
-    end
-
-    # --------------------------------
-
+function _plot!(plt::Plot, plotattributes, args)
+    @nospecialize
+    RecipesPipeline.recipe_pipeline!(plt, plotattributes, args)
     current(plt)
-
-    # do we want to force display?
-    # if plt[:show]
-    #     gui(plt)
-    # end
     _do_plot_show(plt, plt[:show])
-
-    plt
+    return plt
 end
 
-
 # we're getting ready to display/output.  prep for layout calcs, then update
 # the plot object after
 function prepare_output(plt::Plot)
     _before_layout_calcs(plt)
 
     w, h = plt.attr[:size]
-    plt.layout.bbox = BoundingBox(0mm, 0mm, w*px, h*px)
+    plt.layout.bbox = BoundingBox(0mm, 0mm, w * px, h * px)
 
     # One pass down and back up the tree to compute the minimum padding
     # of the children on the perimeter.  This is an backend callback.
@@ -263,6 +226,17 @@ function prepare_output(plt::Plot)
         _update_min_padding!(sp)
     end
 
+    # spedific to :plot_title see _add_plot_title!
+    force_minpad = get(plt, :force_minpad, ())
+    if !isempty(force_minpad)
+        for i in eachindex(plt.layout.grid)
+            plt.layout.grid[i].minpad = Tuple(
+                i === nothing ? j : i for
+                (i, j) in zip(force_minpad, plt.layout.grid[i].minpad)
+            )
+        end
+    end
+
     # now another pass down, to update the bounding boxes
     update_child_bboxes!(plt.layout)
 
@@ -282,12 +256,12 @@ end
 # plot to a Subplot
 
 function plot(sp::Subplot, args...; kw...)
+    @nospecialize
     plt = sp.plt
     plot(plt, args...; kw..., subplot = findfirst(isequal(sp), plt.subplots))
 end
 function plot!(sp::Subplot, args...; kw...)
+    @nospecialize
     plt = sp.plt
     plot!(plt, args...; kw..., subplot = findfirst(isequal(sp), plt.subplots))
 end
-
-# --------------------------------------------------------------------

src/plotattr.jl

@@ -1,8 +1,10 @@
 
-const _attribute_defaults =  Dict(:Series => _series_defaults,
-                        :Subplot => _subplot_defaults,
-                        :Plot => _plot_defaults,
-                        :Axis => _axis_defaults)
+const _attribute_defaults = Dict(
+    :Series => _series_defaults,
+    :Subplot => _subplot_defaults,
+    :Plot => _plot_defaults,
+    :Axis => _axis_defaults,
+)
 
 attrtypes() = join(keys(_attribute_defaults), ", ")
 attributes(attrtype::Symbol) = sort(collect(keys(_attribute_defaults[attrtype])))
@@ -21,7 +23,9 @@ Look up the properties of a Plots attribute, or specify an attribute type. Call
 The information is the same as that given on https://docs.juliaplots.org/latest/attributes/.
 """
 function plotattr()
-    println("Specify an attribute type to get a list of supported attributes. Options are $(attrtypes())")
+    println(
+        "Specify an attribute type to get a list of supported attributes. Options are $(attrtypes())",
+    )
 end
 
 function plotattr(attrtype::Symbol)
@@ -44,27 +48,32 @@ printnothing(x) = x
 printnothing(x::Nothing) = "nothing"
 
 function plotattr(attrtype::Symbol, attribute::AbstractString)
-    in(attrtype, keys(_attribute_defaults)) || ArgumentError("`attrtype` must match one of $(attrtypes())")
+    in(attrtype, keys(_attribute_defaults)) ||
+        ArgumentError("`attrtype` must match one of $(attrtypes())")
 
     attribute = Symbol(lookup_aliases(attrtype, attribute))
 
     desc = get(_arg_desc, attribute, "")
     first_period_idx = findfirst(isequal('.'), desc)
-    if isnothing(first_period_idx) 
+    if isnothing(first_period_idx)
         typedesc = ""
         desc = strip(desc)
     else
-        typedesc = desc[1:first_period_idx-1]
-        desc = strip(desc[first_period_idx+1:end])
+        typedesc = desc[1:(first_period_idx - 1)]
+        desc = strip(desc[(first_period_idx + 1):end])
     end
-    als = keys(filter(x->x[2]==attribute, _keyAliases)) |> collect |> sort
-    als = join(map(string,als), ", ")
+    als = keys(filter(x -> x[2] == attribute, _keyAliases)) |> collect |> sort
+    als = join(map(string, als), ", ")
     def = _attribute_defaults[attrtype][attribute]
 
-
     # Looks up the different elements and plots them
-    println("$(printnothing(attribute)) ", typedesc == "" ? "" : "{$(printnothing(typedesc))}", "\n",
+    println(
+        "$(printnothing(attribute)) ",
+        typedesc == "" ? "" : "{$(printnothing(typedesc))}",
+        "\n",
         als == "" ? "" : "$(printnothing(als))\n",
         "\n$(printnothing(desc))\n",
-        "$(printnothing(attrtype)) attribute, ", def == "" ? "" : " default: $(printnothing(def))")
+        "$(printnothing(attrtype)) attribute, ",
+        def == "" ? "" : " default: $(printnothing(def))",
+    )
 end

src/precompile.jl

@@ -1,3 +0,0 @@
-function _precompile_()
-    ccall(:jl_generating_output, Cint, ()) == 1 || return nothing
-end

src/precompile_includer.jl

@@ -0,0 +1,17 @@
+should_precompile = true
+
+# Don't edit the following! Instead change the script for `snoop_bot`.
+ismultios = false
+ismultiversion = false
+# precompile_enclosure
+@static if !should_precompile
+    # nothing
+elseif !ismultios && !ismultiversion
+    @static if isfile(
+        joinpath(@__DIR__, "../deps/SnoopCompile/precompile/precompile_Plots.jl"),
+    )
+        include("../deps/SnoopCompile/precompile/precompile_Plots.jl")
+        _precompile_()
+    end
+else
+end # precompile_enclosure

src/series.jl

@@ -1,623 +0,0 @@
-
-
-# create a new "build_series_args" which converts all inputs into xs = Any[xitems], ys = Any[yitems].
-# Special handling for: no args, xmin/xmax, parametric, dataframes
-# Then once inputs have been converted, build the series args, map functions, etc.
-# This should cut down on boilerplate code and allow more focused dispatch on type
-# note: returns meta information... mainly for use with automatic labeling from DataFrames for now
-
-const FuncOrFuncs{F} = Union{F, Vector{F}, Matrix{F}}
-const DataPoint = Union{Number, AbstractString, Missing}
-const SeriesData = Union{AVec{<:DataPoint}, Function, Surface, Volume}
-
-prepareSeriesData(x) = error("Cannot convert $(typeof(x)) to series data for plotting")
-prepareSeriesData(::Nothing) = nothing
-prepareSeriesData(s::SeriesData) = handlemissings(s)
-
-handlemissings(v) = v
-handlemissings(v::AbstractArray{Union{T,Missing}}) where T <: Number = replace(v, missing => NaN)
-handlemissings(v::AbstractArray{Union{T,Missing}}) where T <: AbstractString = replace(v, missing => "")
-handlemissings(s::Surface) = Surface(handlemissings(s.surf))
-handlemissings(v::Volume) = Volume(handlemissings(v.v), v.x_extents, v.y_extents, v.z_extents)
-
-# default: assume x represents a single series
-convertToAnyVector(x) = Any[prepareSeriesData(x)]
-
-# fixed number of blank series
-convertToAnyVector(n::Integer) = Any[zeros(0) for i in 1:n]
-
-# vector of data points is a single series
-convertToAnyVector(v::AVec{<:DataPoint}) = Any[prepareSeriesData(v)]
-
-# list of things (maybe other vectors, functions, or something else)
-convertToAnyVector(v::AVec) = vcat((convertToAnyVector(vi) for vi in v)...)
-
-# Matrix is split into columns
-convertToAnyVector(v::AMat{<:DataPoint}) = Any[prepareSeriesData(v[:,i]) for i in 1:size(v,2)]
-
-# --------------------------------------------------------------------
-# Fillranges & ribbons
-
-
-process_fillrange(range::Number) = [range]
-process_fillrange(range) = convertToAnyVector(range)
-
-process_ribbon(ribbon::Number) = [ribbon]
-process_ribbon(ribbon) = convertToAnyVector(ribbon)
-# ribbon as a tuple: (lower_ribbons, upper_ribbons)
-process_ribbon(ribbon::Tuple{Any,Any}) = collect(zip(convertToAnyVector(ribbon[1]),
-                                                     convertToAnyVector(ribbon[2])))
-
-
-# --------------------------------------------------------------------
-
-# TODO: can we avoid the copy here?  one error that crops up is that mapping functions over the same array
-#       result in that array being shared.  push!, etc will add too many items to that array
-
-compute_x(x::Nothing, y::Nothing, z)      = 1:size(z,1)
-compute_x(x::Nothing, y, z)            = 1:size(y,1)
-compute_x(x::Function, y, z)        = map(x, y)
-compute_x(x, y, z)                  = copy(x)
-
-# compute_y(x::Void, y::Function, z)  = error()
-compute_y(x::Nothing, y::Nothing, z)      = 1:size(z,2)
-compute_y(x, y::Function, z)        = map(y, x)
-compute_y(x, y, z)                  = copy(y)
-
-compute_z(x, y, z::Function)        = map(z, x, y)
-compute_z(x, y, z::AbstractMatrix)  = Surface(z)
-compute_z(x, y, z::Nothing)            = nothing
-compute_z(x, y, z)                  = copy(z)
-
-nobigs(v::AVec{BigFloat}) = map(Float64, v)
-nobigs(v::AVec{BigInt}) = map(Int64, v)
-nobigs(v) = v
-
-@noinline function compute_xyz(x, y, z)
-    x = compute_x(x,y,z)
-    y = compute_y(x,y,z)
-    z = compute_z(x,y,z)
-    nobigs(x), nobigs(y), nobigs(z)
-end
-
-# not allowed
-compute_xyz(x::Nothing, y::FuncOrFuncs{F}, z) where {F<:Function}       = error("If you want to plot the function `$y`, you need to define the x values!")
-compute_xyz(x::Nothing, y::Nothing, z::FuncOrFuncs{F}) where {F<:Function} = error("If you want to plot the function `$z`, you need to define x and y values!")
-compute_xyz(x::Nothing, y::Nothing, z::Nothing)        = error("x/y/z are all nothing!")
-
-# --------------------------------------------------------------------
-
-
-# we are going to build recipes to do the processing and splitting of the args
-
-# ensure we dispatch to the slicer
-struct SliceIt end
-
-# the catch-all recipes
-@recipe function f(::Type{SliceIt}, x, y, z)
-
-    # handle data with formatting attached
-    if typeof(x) <: Formatted
-        xformatter := x.formatter
-        x = x.data
-    end
-    if typeof(y) <: Formatted
-        yformatter := y.formatter
-        y = y.data
-    end
-    if typeof(z) <: Formatted
-        zformatter := z.formatter
-        z = z.data
-    end
-
-    xs = convertToAnyVector(x)
-    ys = convertToAnyVector(y)
-    zs = convertToAnyVector(z)
-
-
-    fr = pop!(plotattributes, :fillrange, nothing)
-    fillranges = process_fillrange(fr)
-    mf = length(fillranges)
-
-    rib = pop!(plotattributes, :ribbon, nothing)
-    ribbons = process_ribbon(rib)
-    mr = length(ribbons)
-
-    # @show zs
-
-    mx = length(xs)
-    my = length(ys)
-    mz = length(zs)
-    if mx > 0 && my > 0 && mz > 0
-        for i in 1:max(mx, my, mz)
-            # add a new series
-            di = copy(plotattributes)
-            xi, yi, zi = xs[mod1(i,mx)], ys[mod1(i,my)], zs[mod1(i,mz)]
-            di[:x], di[:y], di[:z] = compute_xyz(xi, yi, zi)
-
-            # handle fillrange
-            fr = fillranges[mod1(i,mf)]
-            di[:fillrange] = isa(fr, Function) ? map(fr, di[:x]) : fr
-
-            # handle ribbons
-            rib = ribbons[mod1(i,mr)]
-            di[:ribbon] = isa(rib, Function) ? map(rib, di[:x]) : rib
-
-            push!(series_list, RecipeData(di, ()))
-        end
-    end
-    nothing  # don't add a series for the main block
-end
-
-# this is the default "type recipe"... just pass the object through
-@recipe f(::Type{T}, v::T) where {T<:Any} = v
-
-# this should catch unhandled "series recipes" and error with a nice message
-@recipe f(::Type{V}, x, y, z) where {V<:Val} = error("The backend must not support the series type $V, and there isn't a series recipe defined.")
-
-_apply_type_recipe(plotattributes, v) = RecipesBase.apply_recipe(plotattributes, typeof(v), v)[1].args[1]
-
-# Handle type recipes when the recipe is defined on the elements.
-# This sort of recipe should return a pair of functions... one to convert to number,
-# and one to format tick values.
-function _apply_type_recipe(plotattributes, v::AbstractArray)
-    isempty(skipmissing(v)) && return Float64[]
-    x = first(skipmissing(v))
-    args = RecipesBase.apply_recipe(plotattributes, typeof(x), x)[1].args
-    if length(args) == 2 && typeof(args[1]) <: Function && typeof(args[2]) <: Function
-        numfunc, formatter = args
-        Formatted(map(numfunc, v), formatter)
-    else
-        v
-    end
-end
-
-# # special handling for Surface... need to properly unwrap and re-wrap
-# function _apply_type_recipe(plotattributes, v::Surface)
-#     T = eltype(v.surf)
-#     @show T
-#     if T <: Integer || T <: AbstractFloat
-#         v
-#     else
-#         ret = _apply_type_recipe(plotattributes, v.surf)
-#         if typeof(ret) <: Formatted
-#             Formatted(Surface(ret.data), ret.formatter)
-#         else
-#             v
-#         end
-#     end
-# end
-
-# don't do anything for ints or floats
-_apply_type_recipe(plotattributes, v::AbstractArray{T}) where {T<:Union{Integer,AbstractFloat}} = v
-
-# handle "type recipes" by converting inputs, and then either re-calling or slicing
-@recipe function f(x, y, z)
-    did_replace = false
-    newx = _apply_type_recipe(plotattributes, x)
-    x === newx || (did_replace = true)
-    newy = _apply_type_recipe(plotattributes, y)
-    y === newy || (did_replace = true)
-    newz = _apply_type_recipe(plotattributes, z)
-    z === newz || (did_replace = true)
-    if did_replace
-        newx, newy, newz
-    else
-        SliceIt, x, y, z
-    end
-end
-@recipe function f(x, y)
-    did_replace = false
-    newx = _apply_type_recipe(plotattributes, x)
-    x === newx || (did_replace = true)
-    newy = _apply_type_recipe(plotattributes, y)
-    y === newy || (did_replace = true)
-    if did_replace
-        newx, newy
-    else
-        SliceIt, x, y, nothing
-    end
-end
-@recipe function f(y)
-    newy = _apply_type_recipe(plotattributes, y)
-    if y !== newy
-        newy
-    else
-        SliceIt, nothing, y, nothing
-    end
-end
-
-# if there's more than 3 inputs, it can't be passed directly to SliceIt
-# so we'll apply_type_recipe to all of them
-@recipe function f(v1, v2, v3, v4, vrest...)
-    did_replace = false
-    newargs = map(v -> begin
-        newv = _apply_type_recipe(plotattributes, v)
-        if newv !== v
-            did_replace = true
-        end
-        newv
-    end, (v1, v2, v3, v4, vrest...))
-    if !did_replace
-        error("Couldn't process recipe args: $(map(typeof, (v1, v2, v3, v4, vrest...)))")
-    end
-    newargs
-end
-
-
-# # --------------------------------------------------------------------
-# # 1 argument
-# # --------------------------------------------------------------------
-
-# helper function to ensure relevant attributes are wrapped by Surface
-function wrap_surfaces(plotattributes::KW)
-    if haskey(plotattributes, :fill_z)
-        v = plotattributes[:fill_z]
-        if !isa(v, Surface)
-            plotattributes[:fill_z] = Surface(v)
-        end
-    end
-end
-
-@recipe f(n::Integer) = is3d(get(plotattributes,:seriestype,:path)) ? (SliceIt, n, n, n) : (SliceIt, n, n, nothing)
-
-all3D(plotattributes::KW) = trueOrAllTrue(st -> st in (:contour, :contourf, :heatmap, :surface, :wireframe, :contour3d, :image, :plots_heatmap), get(plotattributes, :seriestype, :none))
-
-# return a surface if this is a 3d plot, otherwise let it be sliced up
-@recipe function f(mat::AMat{T}) where T<:Union{Integer,AbstractFloat,Missing}
-    if all3D(plotattributes)
-        n,m = size(mat)
-        wrap_surfaces(plotattributes)
-        SliceIt, 1:m, 1:n, Surface(mat)
-    else
-        SliceIt, nothing, mat, nothing
-    end
-end
-
-# if a matrix is wrapped by Formatted, do similar logic, but wrap data with Surface
-@recipe function f(fmt::Formatted{T}) where T<:AbstractMatrix
-    if all3D(plotattributes)
-        mat = fmt.data
-        n,m = size(mat)
-        wrap_surfaces(plotattributes)
-        SliceIt, 1:m, 1:n, Formatted(Surface(mat), fmt.formatter)
-    else
-        SliceIt, nothing, fmt, nothing
-    end
-end
-
-# assume this is a Volume, so construct one
-@recipe function f(vol::AbstractArray{T,3}, args...) where T<:Union{Number,Missing}
-    seriestype := :volume
-    SliceIt, nothing, Volume(vol, args...), nothing
-end
-
-
-# # images - grays
-function clamp_greys!(mat::AMat{T}) where T<:Gray
-    for i in eachindex(mat)
-        mat[i].val < 0 && (mat[i] = Gray(0))
-        mat[i].val > 1 && (mat[i] = Gray(1))
-    end
-    mat
-end
-
-@recipe function f(mat::AMat{T}) where T<:Gray
-    n, m = size(mat)
-    if is_seriestype_supported(:image)
-        seriestype := :image
-        yflip --> true
-        SliceIt, 1:m, 1:n, Surface(clamp_greys!(mat))
-    else
-        seriestype := :heatmap
-        yflip --> true
-        cbar --> false
-        fillcolor --> ColorGradient([:black, :white])
-        SliceIt, 1:m, 1:n, Surface(clamp!(convert(Matrix{Float64}, mat), 0., 1.))
-    end
-end
-
-# # images - colors
-
-@recipe function f(mat::AMat{T}) where T<:Colorant
-	n, m = size(mat)
-
-    if is_seriestype_supported(:image)
-        seriestype := :image
-        yflip --> true
-        SliceIt, 1:m, 1:n, Surface(mat)
-    else
-        seriestype := :heatmap
-        yflip --> true
-        cbar --> false
-        z, plotattributes[:fillcolor] = replace_image_with_heatmap(mat)
-        SliceIt, 1:m, 1:n, Surface(z)
-    end
-end
-
-#
-# # plotting arbitrary shapes/polygons
-
-@recipe function f(shape::Shape)
-    seriestype --> :shape
-    coords(shape)
-end
-
-@recipe function f(shapes::AVec{Shape})
-    seriestype --> :shape
-    coords(shapes)
-end
-
-@recipe function f(shapes::AMat{Shape})
-    seriestype --> :shape
-    for j in 1:size(shapes,2)
-        @series coords(vec(shapes[:,j]))
-    end
-end
-
-
-
-# function without range... use the current range of the x-axis
-
-@recipe function f(f::FuncOrFuncs{F}) where F<:Function
-    plt = plotattributes[:plot_object]
-    xmin, xmax = try
-        axis_limits(plt[1], :x)
-    catch
-        xinv = invscalefunc(get(plotattributes, :xscale, :identity))
-        xm = tryrange(f, xinv.([-5,-1,0,0.01]))
-        xm, tryrange(f, filter(x->x>xm, xinv.([5,1,0.99, 0, -0.01])))
-    end
-
-    f, xmin, xmax
-end
-
-# try some intervals over which the function may be defined
-function tryrange(F::AbstractArray, vec)
-    rets = [tryrange(f, vec) for f in F] # get the preferred for each
-    maxind = maximum(indexin(rets, vec)) # get the last attempt that succeeded (most likely to fit all)
-    rets .= [tryrange(f, vec[maxind:maxind]) for f in F] # ensure that all functions compute there
-    rets[1]
-end
-
-function tryrange(F, vec)
-    for v in vec
-        try
-            tmp = F(v)
-            return v
-        catch
-        end
-    end
-    error("$F is not a Function, or is not defined at any of the values $vec")
-end
-#
-# # --------------------------------------------------------------------
-# # 2 arguments
-# # --------------------------------------------------------------------
-#
-#
-# # if functions come first, just swap the order (not to be confused with parametric functions...
-# # as there would be more than one function passed in)
-
-@recipe function f(f::FuncOrFuncs{F}, x) where F<:Function
-    F2 = typeof(x)
-    @assert !(F2 <: Function || (F2 <: AbstractArray && F2.parameters[1] <: Function))  # otherwise we'd hit infinite recursion here
-    x, f
-end
-
-#
-# # --------------------------------------------------------------------
-# # 3 arguments
-# # --------------------------------------------------------------------
-#
-#
-# # 3d line or scatter
-
-@recipe function f(x::AVec, y::AVec, z::AVec)
-    # st = get(plotattributes, :seriestype, :none)
-    # if st == :scatter
-    #     plotattributes[:seriestype] = :scatter3d
-    # elseif !is3d(st)
-    #     plotattributes[:seriestype] = :path3d
-    # end
-    SliceIt, x, y, z
-end
-
-@recipe function f(x::AMat, y::AMat, z::AMat)
-    # st = get(plotattributes, :seriestype, :none)
-    # if size(x) == size(y) == size(z)
-    #     if !is3d(st)
-    #         seriestype := :path3d
-    #     end
-    # end
-    wrap_surfaces(plotattributes)
-    SliceIt, x, y, z
-end
-
-#
-# # surface-like... function
-
-@recipe function f(x::AVec, y::AVec, zf::Function)
-    # x = X <: Number ? sort(x) : x
-    # y = Y <: Number ? sort(y) : y
-    wrap_surfaces(plotattributes)
-    SliceIt, x, y, Surface(zf, x, y)  # TODO: replace with SurfaceFunction when supported
-end
-
-#
-# # surface-like... matrix grid
-
-@recipe function f(x::AVec, y::AVec, z::AMat)
-    if !like_surface(get(plotattributes, :seriestype, :none))
-        plotattributes[:seriestype] = :contour
-    end
-    wrap_surfaces(plotattributes)
-    SliceIt, x, y, Surface(z)
-end
-
-# # images - grays
-
-@recipe function f(x::AVec, y::AVec, mat::AMat{T}) where T<:Gray
-    if is_seriestype_supported(:image)
-        seriestype := :image
-        yflip --> true
-        SliceIt, x, y, Surface(mat)
-    else
-        seriestype := :heatmap
-        yflip --> true
-        cbar --> false
-        fillcolor --> ColorGradient([:black, :white])
-        SliceIt, x, y, Surface(convert(Matrix{Float64}, mat))
-    end
-end
-
-# # images - colors
-
-@recipe function f(x::AVec, y::AVec, mat::AMat{T}) where T<:Colorant
-    if is_seriestype_supported(:image)
-        seriestype := :image
-        yflip --> true
-        SliceIt, x, y, Surface(mat)
-    else
-        seriestype := :heatmap
-        yflip --> true
-        cbar --> false
-        z, plotattributes[:fillcolor] = replace_image_with_heatmap(mat)
-        SliceIt, x, y, Surface(z)
-    end
-end
-
-#
-#
-# # --------------------------------------------------------------------
-# # Parametric functions
-# # --------------------------------------------------------------------
-
-#
-# # special handling... xmin/xmax with parametric function(s)
-@recipe function f(f::Function, xmin::Number, xmax::Number)
-    xscale, yscale = [get(plotattributes, sym, :identity) for sym=(:xscale,:yscale)]
-    xs = _scaled_adapted_grid(f, xscale, yscale, xmin, xmax)
-    xs, f
-end
-@recipe function f(fs::AbstractArray{F}, xmin::Number, xmax::Number) where F<:Function
-    xscale, yscale = [get(plotattributes, sym, :identity) for sym=(:xscale,:yscale)]
-    xs = Any[_scaled_adapted_grid(f, xscale, yscale, xmin, xmax) for f in fs]
-    xs, fs
-end
-@recipe f(fx::FuncOrFuncs{F}, fy::FuncOrFuncs{G}, u::AVec) where {F<:Function,G<:Function}  = mapFuncOrFuncs(fx, u), mapFuncOrFuncs(fy, u)
-@recipe f(fx::FuncOrFuncs{F}, fy::FuncOrFuncs{G}, umin::Number, umax::Number, n = 200) where {F<:Function,G<:Function} = fx, fy, range(umin, stop = umax, length = n)
-
-function _scaled_adapted_grid(f, xscale, yscale, xmin, xmax)
-    (xf, xinv), (yf, yinv) =  ((scalefunc(s),invscalefunc(s)) for s in (xscale,yscale))
-    xinv.(adapted_grid(yf∘f∘xinv, xf.((xmin, xmax))))
-end
-
-#
-# # special handling... 3D parametric function(s)
-@recipe function f(fx::FuncOrFuncs{F}, fy::FuncOrFuncs{G}, fz::FuncOrFuncs{H}, u::AVec) where {F<:Function,G<:Function,H<:Function}
-    mapFuncOrFuncs(fx, u), mapFuncOrFuncs(fy, u), mapFuncOrFuncs(fz, u)
-end
-@recipe function f(fx::FuncOrFuncs{F}, fy::FuncOrFuncs{G}, fz::FuncOrFuncs{H}, umin::Number, umax::Number, numPoints = 200) where {F<:Function,G<:Function,H<:Function}
-    fx, fy, fz, range(umin, stop = umax, length = numPoints)
-end
-
-#
-#
-# # --------------------------------------------------------------------
-# # Lists of tuples and GeometryTypes.Points
-# # --------------------------------------------------------------------
-#
-
-@recipe f(v::AVec{<:Tuple})               = unzip(v)
-@recipe f(v::AVec{<:GeometryTypes.Point}) = unzip(v)
-@recipe f(tup::Tuple)             = [tup]
-@recipe f(p::GeometryTypes.Point) = [p]
-
-# Special case for 4-tuples in :ohlc series
-@recipe f(xyuv::AVec{<:Tuple{R1,R2,R3,R4}}) where {R1,R2,R3,R4} = get(plotattributes,:seriestype,:path)==:ohlc ? OHLC[OHLC(t...) for t in xyuv] : unzip(xyuv)
-
-#
-# # --------------------------------------------------------------------
-# # handle grouping
-# # --------------------------------------------------------------------
-
-# @recipe function f(groupby::GroupBy, args...)
-#     for (i,glab) in enumerate(groupby.groupLabels)
-#         # create a new series, with the label of the group, and an idxfilter (to be applied in slice_and_dice)
-#         # TODO: use @series instead
-#         @show i, glab, groupby.groupIds[i]
-#         di = copy(plotattributes)
-#         get!(di, :label, string(glab))
-#         get!(di, :idxfilter, groupby.groupIds[i])
-#         push!(series_list, RecipeData(di, args))
-#     end
-#     nothing
-# end
-
-splittable_kw(key, val, lengthGroup) = false
-splittable_kw(key, val::AbstractArray, lengthGroup) = !(key in (:group, :color_palette)) && size(val,1) == lengthGroup
-splittable_kw(key, val::Tuple, lengthGroup) = all(splittable_kw.(key, val, lengthGroup))
-splittable_kw(key, val::SeriesAnnotations, lengthGroup) = splittable_kw(key, val.strs, lengthGroup)
-
-split_kw(key, val::AbstractArray, indices) = val[indices, fill(Colon(), ndims(val)-1)...]
-split_kw(key, val::Tuple, indices) = Tuple(split_kw(key, v, indices) for v in val)
-function split_kw(key, val::SeriesAnnotations, indices)
-    split_strs = split_kw(key, val.strs, indices)
-    return SeriesAnnotations(split_strs, val.font, val.baseshape, val.scalefactor)
-end
-
-function groupedvec2mat(x_ind, x, y::AbstractArray, groupby, def_val = y[1])
-    y_mat = Array{promote_type(eltype(y), typeof(def_val))}(undef, length(keys(x_ind)), length(groupby.groupLabels))
-    fill!(y_mat, def_val)
-    for i in 1:length(groupby.groupLabels)
-        xi = x[groupby.groupIds[i]]
-        yi = y[groupby.groupIds[i]]
-        y_mat[getindex.(Ref(x_ind), xi), i] = yi
-    end
-    return y_mat
-end
-
-groupedvec2mat(x_ind, x, y::Tuple, groupby) = Tuple(groupedvec2mat(x_ind, x, v, groupby) for v in y)
-
-group_as_matrix(t) = false
-
-# split the group into 1 series per group, and set the label and idxfilter for each
-@recipe function f(groupby::GroupBy, args...)
-    lengthGroup = maximum(union(groupby.groupIds...))
-    if !(group_as_matrix(args[1]))
-        for (i,glab) in enumerate(groupby.groupLabels)
-            @series begin
-                label     --> string(glab)
-                idxfilter --> groupby.groupIds[i]
-                for (key,val) in plotattributes
-                    if splittable_kw(key, val, lengthGroup)
-                        :($key) := split_kw(key, val, groupby.groupIds[i])
-                    end
-                end
-                args
-            end
-        end
-    else
-        g = args[1]
-        if length(g.args) == 1
-            x = zeros(Int, lengthGroup)
-            for indexes in groupby.groupIds
-                x[indexes] = 1:length(indexes)
-            end
-            last_args = g.args
-        else
-            x = g.args[1]
-            last_args = g.args[2:end]
-        end
-        x_u = unique(sort(x))
-        x_ind = Dict(zip(x_u, 1:length(x_u)))
-        for (key,val) in plotattributes
-            if splittable_kw(key, val, lengthGroup)
-                :($key) := groupedvec2mat(x_ind, x, val, groupby)
-            end
-        end
-        label --> reshape(groupby.groupLabels, 1, :)
-        typeof(g)((x_u, (groupedvec2mat(x_ind, x, arg, groupby, NaN) for arg in last_args)...))
-    end
-end

src/shorthands.jl

@@ -1,3 +1,5 @@
+@nospecialize
+
 """
     scatter(x,y)
     scatter!(x,y)
@@ -55,6 +57,7 @@ Plot a histogram.
 # Example
 ```julia-repl
 julia> histogram([1,2,1,1,4,3,8],bins=0:8)
+julia> histogram([1,2,1,1,4,3,8],bins=0:8,weights=weights([4,7,3,9,12,2,6]))
 ```
 """
 @shorthands histogram
@@ -69,7 +72,7 @@ Make a histogram bar plot. See `histogram`.
 
 """
     stephist(x)
-    stephist(x)
+    stephist!(x)
 
 Make a histogram step plot (bin counts are represented using horizontal lines
 instead of bars). See `histogram`.
@@ -238,7 +241,6 @@ julia> ohlc(y)
 """
 @shorthands ohlc
 
-
 """
     contour(x,y,z)
     contour!(x,y,z)
@@ -251,7 +253,7 @@ Draw contour lines of the `Surface` z.
 
 # Example
 ```julia-repl
-julia> x = y = range(-20, 20, length = 100)
+julia> x = y = range(-20, stop = 20, length = 100)
 julia> contour(x, y, (x, y) -> x^2 + y^2)
 ```
 """
@@ -260,7 +262,6 @@ julia> contour(x, y, (x, y) -> x^2 + y^2)
 "An alias for `contour` with fill = true."
 @shorthands contourf
 
-
 @shorthands contour3d
 
 """
@@ -271,7 +272,8 @@ Draw a 3D surface plot.
 
 # Example
 ```julia-repl
-julia> x = y = range(-3, 3, length = 100)
+julia> using LinearAlgebra
+julia> x = y = range(-3, stop = 3, length = 100)
 julia> surface(x, y, (x, y) -> sinc(norm([x, y])))
 ```
 """
@@ -317,6 +319,27 @@ julia> scatter3d([0,1,2,3],[0,1,4,9],[0,1,8,27])
 """
 @shorthands scatter3d
 
+"""
+    mesh3d(x,y,z)
+    mesh3d(x,y,z; connections)
+
+Plot a 3d mesh. On Plotly the triangles can be specified using the connections argument.
+
+# Example
+```Julia
+x=[0, 1, 2, 0]
+y=[0, 0, 1, 2]
+z=[0, 2, 0, 1]
+
+i=[0, 0, 0, 1]
+j=[1, 2, 3, 2]
+k=[2, 3, 1, 3]
+
+plot(x,y,z,seriestype=:mesh3d;connections=(i,j,k))
+```
+"""
+@shorthands mesh3d
+
 """
     boxplot(x, y)
     boxplot!(x, y)
@@ -380,46 +403,44 @@ julia> curves([1,2,3,4],[1,1,2,4])
 @shorthands curves
 
 "Plot a pie diagram"
-pie(args...; kw...)        = plot(args...; kw...,  seriestype = :pie, aspect_ratio = :equal, grid=false, xticks=nothing, yticks=nothing)
-pie!(args...; kw...)       = plot!(args...; kw..., seriestype = :pie, aspect_ratio = :equal, grid=false, xticks=nothing, yticks=nothing)
+@shorthands pie
 
 "Plot with seriestype :path3d"
-plot3d(args...; kw...)     = plot(args...; kw...,  seriestype = :path3d)
-plot3d!(args...; kw...)    = plot!(args...; kw..., seriestype = :path3d)
+plot3d(args...; kw...) = plot(args...; kw..., seriestype = :path3d)
+plot3d!(args...; kw...) = plot!(args...; kw..., seriestype = :path3d)
 
 "Add title to an existing plot"
-title!(s::AbstractString; kw...)                 = plot!(; title = s, kw...)
+title!(s::AbstractString; kw...) = plot!(; title = s, kw...)
 
 "Add xlabel to an existing plot"
-xlabel!(s::AbstractString; kw...)                = plot!(; xlabel = s, kw...)
+xlabel!(s::AbstractString; kw...) = plot!(; xlabel = s, kw...)
 
 "Add ylabel to an existing plot"
-ylabel!(s::AbstractString; kw...)                = plot!(; ylabel = s, kw...)
+ylabel!(s::AbstractString; kw...) = plot!(; ylabel = s, kw...)
 
 "Set xlims for an existing plot"
-xlims!(lims::Tuple{T,S}; kw...) where {T<:Real,S<:Real} = plot!(; xlims = lims, kw...)
+xlims!(lims::Tuple; kw...) = plot!(; xlims = lims, kw...)
 
 "Set ylims for an existing plot"
-ylims!(lims::Tuple{T,S}; kw...) where {T<:Real,S<:Real} = plot!(; ylims = lims, kw...)
+ylims!(lims::Tuple; kw...) = plot!(; ylims = lims, kw...)
 
 "Set zlims for an existing plot"
-zlims!(lims::Tuple{T,S}; kw...) where {T<:Real,S<:Real} = plot!(; zlims = lims, kw...)
-
-xlims!(xmin::Real, xmax::Real; kw...)                     = plot!(; xlims = (xmin,xmax), kw...)
-ylims!(ymin::Real, ymax::Real; kw...)                     = plot!(; ylims = (ymin,ymax), kw...)
-zlims!(zmin::Real, zmax::Real; kw...)                     = plot!(; zlims = (zmin,zmax), kw...)
+zlims!(lims::Tuple; kw...) = plot!(; zlims = lims, kw...)
 
+xlims!(xmin::Real, xmax::Real; kw...) = plot!(; xlims = (xmin, xmax), kw...)
+ylims!(ymin::Real, ymax::Real; kw...) = plot!(; ylims = (ymin, ymax), kw...)
+zlims!(zmin::Real, zmax::Real; kw...) = plot!(; zlims = (zmin, zmax), kw...)
 
 "Set xticks for an existing plot"
-xticks!(v::TicksArgs; kw...) where {T<:Real}                       = plot!(; xticks = v, kw...)
+xticks!(v::TicksArgs; kw...) = plot!(; xticks = v, kw...)
 
 "Set yticks for an existing plot"
-yticks!(v::TicksArgs; kw...) where {T<:Real}                       = plot!(; yticks = v, kw...)
+yticks!(v::TicksArgs; kw...) = plot!(; yticks = v, kw...)
 
-xticks!(
-ticks::AVec{T}, labels::AVec{S}; kw...) where {T<:Real,S<:AbstractString}     = plot!(; xticks = (ticks,labels), kw...)
-yticks!(
-ticks::AVec{T}, labels::AVec{S}; kw...) where {T<:Real,S<:AbstractString}     = plot!(; yticks = (ticks,labels), kw...)
+xticks!(ticks::AVec{T}, labels::AVec{S}; kw...) where {T<:Real,S<:AbstractString} =
+    plot!(; xticks = (ticks, labels), kw...)
+yticks!(ticks::AVec{T}, labels::AVec{S}; kw...) where {T<:Real,S<:AbstractString} =
+    plot!(; yticks = (ticks, labels), kw...)
 
 """
     annotate!(anns...)
@@ -428,28 +449,33 @@ Add annotations to an existing plot.
 
 # Arguments
 
-- `anns`: An `AbstractVector` of tuples of the form (x,y,text). The text object
-          can be an String or PlotText
+- `anns`: An `AbstractVector` of tuples of the form `(x,y,text)`. The `text` object
+          can be a `String`, `PlotText` PlotText (created with `text(args...)`),
+          or a tuple of arguments to `text` (e.g., `("Label", 8, :red, :top)`).
 
 # Example
 ```julia-repl
 julia> plot(1:10)
 julia> annotate!([(7,3,"(7,3)"),(3,7,text("hey", 14, :left, :top, :green))])
+julia> annotate!([(4, 4, ("More text", 8, 45.0, :bottom, :red))])
 ```
 """
-annotate!(anns...; kw...)                                        = plot!(; annotation = anns, kw...)
-annotate!(anns::AVec{T}; kw...) where {T<:Tuple}                 = plot!(; annotation = anns, kw...)
+annotate!(anns...; kw...) = plot!(; annotation = anns, kw...)
+annotate!(anns::Tuple...; kw...)      = plot!(; annotation = collect(anns), kw...)
+annotate!(anns::AVec{<:Tuple}; kw...) = plot!(; annotation = anns, kw...)
 
 "Flip the current plots' x axis"
-xflip!(flip::Bool = true; kw...)                          = plot!(; xflip = flip, kw...)
+xflip!(flip::Bool = true; kw...) = plot!(; xflip = flip, kw...)
 
 "Flip the current plots' y axis"
-yflip!(flip::Bool = true; kw...)                          = plot!(; yflip = flip, kw...)
+yflip!(flip::Bool = true; kw...) = plot!(; yflip = flip, kw...)
 
 "Specify x axis attributes for an existing plot"
-xaxis!(args...; kw...)                                    = plot!(; xaxis = args, kw...)
+xaxis!(args...; kw...) = plot!(; xaxis = args, kw...)
 
 "Specify y axis attributes for an existing plot"
-yaxis!(args...; kw...)                                    = plot!(; yaxis = args, kw...)
-xgrid!(args...; kw...)                                    = plot!(; xgrid = args, kw...)
-ygrid!(args...; kw...)                                    = plot!(; ygrid = args, kw...)
+yaxis!(args...; kw...) = plot!(; yaxis = args, kw...)
+xgrid!(args...; kw...) = plot!(; xgrid = args, kw...)
+ygrid!(args...; kw...) = plot!(; ygrid = args, kw...)
+
+@specialize

src/subplots.jl

@@ -1,15 +1,14 @@
 
-
-function Subplot(::T; parent = RootLayout()) where T<:AbstractBackend
+function Subplot(::T; parent = RootLayout()) where {T<:AbstractBackend}
     Subplot{T}(
         parent,
         Series[],
         (20mm, 5mm, 2mm, 10mm),
         defaultbox,
         defaultbox,
-        KW(),
+        DefaultsDict(KW(), _subplot_defaults),
+        nothing,
         nothing,
-        nothing
     )
 end
 
@@ -21,8 +20,7 @@ Return the bounding box of a subplot
 plotarea(sp::Subplot) = sp.plotarea
 plotarea!(sp::Subplot, bbox::BoundingBox) = (sp.plotarea = bbox)
 
-
-Base.size(sp::Subplot) = (1,1)
+Base.size(sp::Subplot) = (1, 1)
 Base.length(sp::Subplot) = 1
 Base.getindex(sp::Subplot, r::Int, c::Int) = sp
 
@@ -42,12 +40,24 @@ get_subplot_index(plt::Plot, sp::Subplot) = findfirst(x -> x === sp, plt.subplot
 series_list(sp::Subplot) = sp.series_list # filter(series -> series.plotattributes[:subplot] === sp, sp.plt.series_list)
 
 function should_add_to_legend(series::Series)
-    series.plotattributes[:primary] && series.plotattributes[:label] != "" &&
-        !(series.plotattributes[:seriestype] in (
-            :hexbin,:bins2d,:histogram2d,:hline,:vline,
-            :contour,:contourf,:contour3d,:surface,:wireframe,
-            :heatmap, :pie, :image
-        ))
+    series.plotattributes[:primary] &&
+        series.plotattributes[:label] != "" &&
+        !(
+            series.plotattributes[:seriestype] in (
+                :hexbin,
+                :bins2d,
+                :histogram2d,
+                :hline,
+                :vline,
+                :contour,
+                :contourf,
+                :contour3d,
+                :surface,
+                :wireframe,
+                :heatmap,
+                :image,
+            )
+        )
 end
 
 # ----------------------------------------------------------------------

src/themes.jl

@@ -4,55 +4,25 @@
 Specify the colour theme for plots.
 """
 function theme(s::Symbol; kw...)
-    defaults = _get_defaults(s)
+    defaults = copy(PlotThemes._themes[s].defaults)
     _theme(s, defaults; kw...)
 end
 
-function _get_defaults(s::Symbol)
-    thm = PlotThemes._themes[s]
-    if :defaults in fieldnames(typeof(thm))
-        return thm.defaults
-    else # old PlotTheme type
-        defaults = KW(
-            :bg       => thm.bg_secondary,
-            :bginside => thm.bg_primary,
-            :fg       => thm.lines,
-            :fgtext   => thm.text,
-            :fgguide  => thm.text,
-            :fglegend => thm.text,
-            :palette  => thm.palette,
-        )
-        if thm.gradient != nothing
-            push!(defaults, :gradient => thm.gradient)
-        end
-        return defaults
-    end
-end
-
-function _theme(s::Symbol, defaults::KW; kw...)
+function _theme(s::Symbol, defaults::AKW; kw...)
     # Reset to defaults to overwrite active theme
     reset_defaults()
 
     # Set the theme's gradient as default
-    if haskey(defaults, :gradient)
-        PlotUtils.clibrary(:misc)
-        PlotUtils.default_cgrad(default = :sequential, sequential = PlotThemes.gradient_name(s))
+    if haskey(defaults, :colorgradient)
+        PlotUtils.default_cgrad(pop!(defaults, :colorgradient))
     else
-        PlotUtils.clibrary(:Plots)
-        PlotUtils.default_cgrad(default = :sequential, sequential = :inferno)
+        PlotUtils.default_cgrad(:default)
     end
 
     # maybe overwrite the theme's gradient
     kw = KW(kw)
-    if haskey(kw, :gradient)
-        kwgrad = pop!(kw, :gradient)
-        for clib in clibraries()
-            if kwgrad in cgradients(clib)
-                PlotUtils.clibrary(clib)
-                PlotUtils.default_cgrad(default = :sequential, sequential = kwgrad)
-                break
-            end
-        end
+    if haskey(kw, :colorgradient)
+        PlotUtils.default_cgrad(pop!(kw, :colorgradient))
     end
 
     # Set the theme's defaults
@@ -64,29 +34,26 @@ end
 
 @userplot ShowTheme
 
-_color_functions = KW(
-    :protanopic => protanopic,
-    :deuteranopic => deuteranopic,
-    :tritanopic => tritanopic,
-)
+_color_functions =
+    KW(:protanopic => protanopic, :deuteranopic => deuteranopic, :tritanopic => tritanopic)
 _get_showtheme_args(thm::Symbol) = thm, identity
 _get_showtheme_args(thm::Symbol, func::Symbol) = thm, get(_color_functions, func, identity)
 
 @recipe function showtheme(st::ShowTheme)
     thm, cfunc = _get_showtheme_args(st.args...)
-    defaults = _get_defaults(thm)
+    defaults = PlotThemes._themes[thm].defaults
 
     # get the gradient
-    gradient_colors = get(defaults, :gradient, cgrad(:inferno).colors)
-    gradient = cgrad(cfunc.(RGB.(gradient_colors)))
+    gradient_colors = color_list(cgrad(get(defaults, :colorgradient, :default)))
+    colorgradient = cgrad(cfunc.(RGB.(gradient_colors)))
 
     # get the palette
-    palette = get(defaults, :palette, get_color_palette(:auto, plot_color(:white), 17))
-    palette = cfunc.(RGB.(palette))
+    cp = color_list(palette(get(defaults, :palette, :default)))
+    cp = cfunc.(RGB.(cp))
 
     # apply the theme
     for k in keys(defaults)
-        k in (:gradient, :palette) && continue
+        k in (:colorgradient, :palette) && continue
         def = defaults[k]
         arg = get(_keyAliases, k, k)
         plotattributes[arg] = if typeof(def) <: Colorant
@@ -109,7 +76,7 @@ _get_showtheme_args(thm::Symbol, func::Symbol) = thm, get(_color_functions, func
     for j in 1:4
         @series begin
             subplot := 1
-            palette := palette
+            color_palette := cp
             seriestype := :path
             cumsum(randn(50))
         end
@@ -117,7 +84,7 @@ _get_showtheme_args(thm::Symbol, func::Symbol) = thm, get(_color_functions, func
         @series begin
             subplot := 2
             seriestype := :scatter
-            palette := palette
+            color_palette := cp
             marker := (:circle, :diamond, :star5, :square)[j]
             randn(10), randn(10)
         end
@@ -126,7 +93,7 @@ _get_showtheme_args(thm::Symbol, func::Symbol) = thm, get(_color_functions, func
     @series begin
         subplot := 3
         seriestype := :histogram
-        palette := palette
+        color_palette := cp
         randn(1000) .+ (0:2:4)'
     end
 
@@ -139,30 +106,32 @@ _get_showtheme_args(thm::Symbol, func::Symbol) = thm, get(_color_functions, func
     @series begin
         subplot := 4
         seriestype := :heatmap
-        seriescolor := gradient
-        ticks := -5:5:5
+        seriescolor := colorgradient
+        xticks := ((-2π):(2π):(2π), string.(-2:2:2, "π"))
+        yticks := ((-2π):(2π):(2π), string.(-2:2:2, "π"))
         x, y, z
     end
 
     @series begin
         subplot := 5
         seriestype := :surface
-        seriescolor := gradient
+        seriescolor := colorgradient
+        xticks := ((-2π):(2π):(2π), string.(-2:2:2, "π"))
+        yticks := ((-2π):(2π):(2π), string.(-2:2:2, "π"))
         x, y, z
     end
 
     n = 100
     ts = range(0, stop = 10π, length = n)
-    x = ts .* cos.(ts)
+    x = (0.1ts) .* cos.(ts)
     y = (0.1ts) .* sin.(ts)
     z = 1:n
 
     @series begin
         subplot := 6
-        seriescolor := gradient
+        seriescolor := colorgradient
         linewidth := 3
         line_z := z
         x, y, z
     end
-
 end

src/types.jl

@@ -5,7 +5,9 @@
 const AVec = AbstractVector
 const AMat = AbstractMatrix
 const KW = Dict{Symbol,Any}
-const TicksArgs = Union{AVec{T}, Tuple{AVec{T}, AVec{S}}, Symbol} where {T<:Real, S<:AbstractString}
+const AKW = AbstractDict{Symbol,Any}
+const TicksArgs =
+    Union{AVec{T},Tuple{AVec{T},AVec{S}},Symbol} where {T<:Real,S<:AbstractString}
 
 struct PlotsDisplay <: AbstractDisplay end
 
@@ -17,11 +19,10 @@ end
 wrap(obj::T) where {T} = InputWrapper{T}(obj)
 Base.isempty(wrapper::InputWrapper) = false
 
-
 # -----------------------------------------------------------
 
 mutable struct Series
-    plotattributes::KW
+    plotattributes::DefaultsDict
 end
 
 attr(series::Series, k::Symbol) = series.plotattributes[k]
@@ -36,7 +37,7 @@ mutable struct Subplot{T<:AbstractBackend} <: AbstractLayout
     minpad::Tuple # leftpad, toppad, rightpad, bottompad
     bbox::BoundingBox  # the canvas area which is available to this subplot
     plotarea::BoundingBox  # the part where the data goes
-    attr::KW  # args specific to this subplot
+    attr::DefaultsDict  # args specific to this subplot
     o  # can store backend-specific data... like a pyplot ax
     plt  # the enclosing Plot object (can't give it a type because of no forward declarations)
 end
@@ -48,7 +49,7 @@ Base.show(io::IO, sp::Subplot) = print(io, "Subplot{$(sp[:subplot_index])}")
 # simple wrapper around a KW so we can hold all attributes pertaining to the axis in one place
 mutable struct Axis
     sps::Vector{Subplot}
-    plotattributes::KW
+    plotattributes::DefaultsDict
 end
 
 mutable struct Extrema
@@ -59,16 +60,14 @@ Extrema() = Extrema(Inf, -Inf)
 
 # -----------------------------------------------------------
 
-const SubplotMap = Dict{Any, Subplot}
+const SubplotMap = Dict{Any,Subplot}
 
 # -----------------------------------------------------------
 
-
 mutable struct Plot{T<:AbstractBackend} <: AbstractPlot{T}
     backend::T                   # the backend type
     n::Int                       # number of series
-    attr::KW                     # arguments for the whole plot
-    user_attr::KW                # raw arg inputs (after aliases).  these are used as the input dict in `_plot!`
+    attr::DefaultsDict            # arguments for the whole plot
     series_list::Vector{Series}  # arguments for each series
     o                            # the backend's plot object
     subplots::Vector{Subplot}
@@ -79,9 +78,18 @@ mutable struct Plot{T<:AbstractBackend} <: AbstractPlot{T}
 end
 
 function Plot()
-    Plot(backend(), 0, KW(), KW(), Series[], nothing,
-         Subplot[], SubplotMap(), EmptyLayout(),
-         Subplot[], false)
+    Plot(
+        backend(),
+        0,
+        DefaultsDict(KW(), _plot_defaults),
+        Series[],
+        nothing,
+        Subplot[],
+        SubplotMap(),
+        EmptyLayout(),
+        Subplot[],
+        false,
+    )
 end
 
 # -----------------------------------------------------------------------
@@ -90,7 +98,7 @@ Base.getindex(plt::Plot, i::Integer) = plt.subplots[i]
 Base.length(plt::Plot) = length(plt.subplots)
 Base.lastindex(plt::Plot) = length(plt)
 
-Base.getindex(plt::Plot, r::Integer, c::Integer) = plt.layout[r,c]
+Base.getindex(plt::Plot, r::Integer, c::Integer) = plt.layout[r, c]
 Base.size(plt::Plot) = size(plt.layout)
 Base.size(plt::Plot, i::Integer) = size(plt.layout)[i]
 Base.ndims(plt::Plot) = 2

test/imgcomp.jl

@@ -1,105 +1,69 @@
 import Plots._current_plots_version
 
-# Taken from MakieGallery
-"""
-Downloads the reference images from ReferenceImages for a specific version
-"""
-function download_reference(version = v"0.0.1")
-    download_dir = abspath(@__DIR__, "reference_images")
-    isdir(download_dir) || mkpath(download_dir)
-    tarfile = joinpath(download_dir, "reference_images.zip")
-    url = "https://github.com/JuliaPlots/PlotReferenceImages.jl/archive/v$(version).tar.gz"
-    refpath = joinpath(download_dir, "PlotReferenceImages.jl-$(version)")
-    if !isdir(refpath) # if not yet downloaded
-        @info "downloading reference images for version $version"
-        download(url, tarfile)
-        BinaryProvider.unpack(tarfile, download_dir)
-        # check again after download
-        if !isdir(refpath)
-            error("Something went wrong while downloading reference images. Plots can't be compared to references")
-        else
-            rm(tarfile, force = true)
-        end
-    else
-        @info "using reference images for version $version (already downloaded)"
+# replace `f(args...)` with `f(rng, args...)` for `f ∈ (rand, randn)`
+function replace_rand!(ex) end
+function replace_rand!(ex::Expr)
+    for arg in ex.args
+        replace_rand!(arg)
     end
-    refpath
+    if ex.head === :call && ex.args[1] ∈ (:rand, :randn, :(Plots.fakedata))
+        pushfirst!(ex.args, ex.args[1])
+        ex.args[2] = :rng
+    end
+end
+function fix_rand!(ex)
+    replace_rand!(ex)
+    pushfirst!(ex.args[1].args, :(rng = StableRNG(PLOTS_SEED)))
 end
 
-const ref_image_dir = download_reference()
-
-function image_comparison_tests(pkg::Symbol, idx::Int; debug = false, popup = isinteractive(), sigma = [1,1], tol = 1e-2)
+function image_comparison_tests(
+    pkg::Symbol,
+    idx::Int;
+    debug = false,
+    popup = !is_ci(),
+    sigma = [1, 1],
+    tol = 1e-2,
+)
     Plots._debugMode.on = debug
     example = Plots._examples[idx]
     Plots.theme(:default)
     @info("Testing plot: $pkg:$idx:$(example.header)")
     backend(pkg)
     backend()
-    default(size=(500,300))
-    # ensure consistent results
-    Random.seed!(1234)
+    default(size = (500, 300))
 
-    # reference image directory setup
-    refdir = joinpath(ref_image_dir, "Plots", string(pkg))
     fn = "ref$idx.png"
-
-    # firgure out version info
-    vns = filter(x->x[1] != '.', readdir(refdir))
-    versions = sort(VersionNumber.(vns), rev = true)
-    versions = filter(v -> v <= _current_plots_version, versions)
-    # @show refdir fn versions
-
-    newdir = joinpath(refdir, string(_current_plots_version))
-    newfn = joinpath(newdir, fn)
-
-    # figure out which reference file we should compare to, by finding the highest versioned file
-    reffn = nothing
-    for v in versions
-        tmpfn = joinpath(refdir, string(v), fn)
-        if isfile(tmpfn)
-            reffn = tmpfn
-            break
-        end
-    end
-
-    # now we have the fn (if any)... do the comparison
-    # @show reffn
-    if reffn == nothing
-        reffn = newfn
-    end
-    # @show reffn
-    # return
+    reffn = reference_file(pkg, idx, _current_plots_version)
+    newfn = joinpath(reference_path(pkg, _current_plots_version), fn)
+    @debug example.exprs
 
     # test function
     func = (fn, idx) -> begin
         expr = Expr(:block)
         append!(expr.args, example.exprs)
+        fix_rand!(expr)
         eval(expr)
         png(fn)
     end
 
-    # try
-    #     run(`mkdir -p $newdir`)
-    # catch err
-    #     display(err)
-    # end
-    # # reffn = joinpath(refdir, "ref$idx.png")
-
     # the test
     vtest = VisualTest(func, reffn, idx)
-    test_images(vtest, popup=popup, sigma=sigma, tol=tol, newfn = newfn)
+    test_images(vtest, popup = popup, sigma = sigma, tol = tol, newfn = newfn)
 end
 
-function image_comparison_facts(pkg::Symbol;
-                                skip = [],      # skip these examples (int index)
-                                only = nothing, # limit to these examples (int index)
-                                debug = false,  # print debug information?
-                                sigma = [1,1],  # number of pixels to "blur"
-                                tol = 1e-2)     # acceptable error (percent)
-  for i in 1:length(Plots._examples)
-    i in skip && continue
-    if only == nothing || i in only
-      @test image_comparison_tests(pkg, i, debug=debug, sigma=sigma, tol=tol) |> success == true
+function image_comparison_facts(
+    pkg::Symbol;
+    skip = [],      # skip these examples (int index)
+    only = nothing, # limit to these examples (int index)
+    debug = false,  # print debug information?
+    sigma = [1, 1],  # number of pixels to "blur"
+    tol = 1e-2,
+)     # acceptable error (percent)
+    for i in 1:length(Plots._examples)
+        i in skip && continue
+        if only === nothing || i in only
+            @test image_comparison_tests(pkg, i, debug = debug, sigma = sigma, tol = tol) |>
+                  success == true
+        end
     end
-  end
 end

test/integration_dates.jl

@@ -0,0 +1,60 @@
+using Plots, Test, Dates
+
+@testset "Limits" begin
+    y = [1.0 * i * i for i in 1:10]
+    x = [Date(2019, 11, i) for i in 1:10]
+
+    rx = [x[3], x[5]]
+
+    p = plot(x, y, widen = false)
+    vspan!(p, rx, label = "", alpha = 0.2)
+
+    ref_ylims = (y[1], y[end])
+    ref_xlims = (x[1].instant.periods.value, x[end].instant.periods.value)
+    @test Plots.ylims(p) == ref_ylims
+    @test Plots.xlims(p) == ref_xlims
+    #@static if (haskey(ENV, "APPVEYOR") || haskey(ENV, "CI"))
+    @static if haskey(ENV, "APPVEYOR")
+        @info "Skipping display tests on AppVeyor"
+    else
+        @test isa(display(p), Nothing) == true
+        closeall()
+    end
+end # testset
+
+@testset "Date xlims" begin
+    y = [1.0 * i * i for i in 1:10]
+    x = [Date(2019, 11, i) for i in 1:10]
+    span = (Date(2019, 10, 31), Date(2019, 11, 11))
+
+    ref_xlims = map(date -> date.instant.periods.value, span)
+
+    p = plot(x, y, xlims = span, widen = false)
+
+    @test Plots.xlims(p) == ref_xlims
+    #@static if (haskey(ENV, "APPVEYOR") || haskey(ENV, "CI"))
+    @static if haskey(ENV, "APPVEYOR")
+        @info "Skipping display tests on AppVeyor"
+    else
+        @test isa(display(p), Nothing) == true
+        closeall()
+    end
+end # testset
+
+@testset "DateTime xlims" begin
+    y = [1.0 * i * i for i in 1:10]
+    x = [DateTime(2019, 11, i, 11) for i in 1:10]
+    span = (DateTime(2019, 10, 31, 11, 59, 59), DateTime(2019, 11, 11, 12, 01, 15))
+
+    ref_xlims = map(date -> date.instant.periods.value, span)
+
+    p = plot(x, y, xlims = span, widen = false)
+    @test Plots.xlims(p) == ref_xlims
+    #@static if (haskey(ENV, "APPVEYOR") || haskey(ENV, "CI"))
+    @static if haskey(ENV, "APPVEYOR")
+        @info "Skipping display tests on AppVeyor"
+    else
+        @test isa(display(p), Nothing) == true
+        closeall()
+    end
+end # testset

test/runtests.jl

@@ -1,41 +1,113 @@
+using Plots: guidefont, series_annotations, PLOTS_SEED
+
 using VisualRegressionTests
-using Plots
+using RecipesBase
+using StableRNGs
+using TestImages
+using LibGit2
 using Random
-using BinaryProvider
-using Test
 using FileIO
-using GeometryTypes
+using Plots
+using Dates
+using JSON
+using Test
+using Gtk
+
+import GeometryBasics
+import ImageMagick
+
+@testset "Infrastructure" begin
+    @test_nowarn JSON.Parser.parse(
+        String(read(joinpath(dirname(pathof(Plots)), "..", ".zenodo.json"))),
+    )
+end
+
+@testset "Plotly standalone" begin
+    @test_nowarn Plots._init_ijulia_plotting()
+    @test Plots.plotly_local_file_path[] === nothing
+    temp = Plots.use_local_dependencies[]
+    withenv("PLOTS_HOST_DEPENDENCY_LOCAL" => true) do
+        Plots.__init__()
+        @test Plots.plotly_local_file_path[] isa String
+        @test isfile(Plots.plotly_local_file_path[])
+        @test Plots.use_local_dependencies[] = true
+        @test_nowarn Plots._init_ijulia_plotting()
+    end
+    Plots.plotly_local_file_path[] = nothing
+    Plots.use_local_dependencies[] = temp
+end
+
+include("test_defaults.jl")
+include("test_pipeline.jl")
+include("test_axes.jl")
+include("test_contours.jl")
+include("test_axis_letter.jl")
+include("test_components.jl")
+include("test_shorthands.jl")
+include("integration_dates.jl")
+include("test_recipes.jl")
+include("test_hdf5plots.jl")
+include("test_pgfplotsx.jl")
+include("test_plotly.jl")
+
+reference_dir(args...) =
+    joinpath(homedir(), ".julia", "dev", "PlotReferenceImages", args...)
+
+function reference_file(backend, i, version)
+    refdir = reference_dir("Plots", string(backend))
+    fn = "ref$i.png"
+    versions = sort(VersionNumber.(readdir(refdir)), rev = true)
+    reffn = joinpath(refdir, string(version), fn)
+    for v in versions
+        tmpfn = joinpath(refdir, string(v), fn)
+        if isfile(tmpfn)
+            reffn = tmpfn
+            break
+        end
+    end
+    return reffn
+end
+
+reference_path(backend, version) = reference_dir("Plots", string(backend), string(version))
+
+if !isdir(reference_dir())
+    mkpath(reference_dir())
+    LibGit2.clone(
+        "https://github.com/JuliaPlots/PlotReferenceImages.jl.git",
+        reference_dir(),
+    )
+end
 
 include("imgcomp.jl")
-# don't actually show the plots
-Random.seed!(1234)
-default(show=false, reuse=true)
-img_tol = isinteractive() ? 1e-2 : 10e-2
+Random.seed!(PLOTS_SEED)
 
-@testset "GR" begin
-    ENV["PLOTS_TEST"] = "true"
-    ENV["GKSwstype"] = "100"
-    @test gr() == Plots.GRBackend()
-    @test backend() == Plots.GRBackend()
+default(show = false, reuse = true)  # don't actually show the plots
 
-    @static if Sys.islinux()
-        image_comparison_facts(:gr, tol=img_tol, skip = [25, 30])
-    end
-end
+is_ci() = get(ENV, "CI", "false") == "true"
+const PLOTS_IMG_TOL = parse(Float64, get(ENV, "PLOTS_IMG_TOL", is_ci() ? "1e-4" : "1e-5"))
 
+## Uncomment the following lines to update reference images for different backends
 
-@testset "UnicodePlots" begin
-    @test unicodeplots() == Plots.UnicodePlotsBackend()
-    @test backend() == Plots.UnicodePlotsBackend()
+# @testset "GR" begin
+#     image_comparison_facts(:gr, tol=PLOTS_IMG_TOL, skip = Plots._backend_skips[:gr])
+# end
+#
+# plotly()
+# @testset "Plotly" begin
+#     image_comparison_facts(:plotly, tol=PLOTS_IMG_TOL, skip = Plots._backend_skips[:plotlyjs])
+# end
+#
+# pyplot()
+# @testset "PyPlot" begin
+#     image_comparison_facts(:pyplot, tol=PLOTS_IMG_TOL, skip = Plots._backend_skips[:pyplot])
+# end
+#
+# pgfplotsx()
+# @testset "PGFPlotsX" begin
+#     image_comparison_facts(:pgfplotsx, tol=PLOTS_IMG_TOL, skip = Plots._backend_skips[:pgfplotsx])
+# end
 
-    # lets just make sure it runs without error
-    p = plot(rand(10))
-    @test isa(p, Plots.Plot) == true
-    @test isa(display(p), Nothing) == true
-    p = bar(randn(10))
-    @test isa(p, Plots.Plot) == true
-    @test isa(display(p), Nothing) == true
-end
+##
 
 @testset "Axes" begin
     p = plot()
@@ -43,23 +115,42 @@ end
     @test typeof(axis) == Plots.Axis
     @test Plots.discrete_value!(axis, "HI") == (0.5, 1)
     @test Plots.discrete_value!(axis, :yo) == (1.5, 2)
-    @test Plots.ignorenan_extrema(axis) == (0.5,1.5)
-    @test axis[:discrete_map] == Dict{Any,Any}(:yo  => 2, "HI" => 1)
+    @test Plots.ignorenan_extrema(axis) == (0.5, 1.5)
+    @test axis[:discrete_map] == Dict{Any,Any}(:yo => 2, "HI" => 1)
 
-    Plots.discrete_value!(axis, ["x$i" for i=1:5])
-    Plots.discrete_value!(axis, ["x$i" for i=0:2])
+    Plots.discrete_value!(axis, ["x$i" for i in 1:5])
+    Plots.discrete_value!(axis, ["x$i" for i in 0:2])
     @test Plots.ignorenan_extrema(axis) == (0.5, 7.5)
 end
 
 @testset "NoFail" begin
-    plots = [histogram([1, 0, 0, 0, 0, 0]),
-             plot([missing]),
-             plot([missing; 1:4]),
-             plot([fill(missing,10); 1:4]),
-             plot([1 1; 1 missing]),
-             plot(["a" "b"; missing "d"], [1 2; 3 4])]
-    for plt in plots
-        display(plt)
+    # ensure backend with tested display
+    @test unicodeplots() == Plots.UnicodePlotsBackend()
+    @test backend() == Plots.UnicodePlotsBackend()
+
+    dsp = TextDisplay(IOContext(IOBuffer(), :color => true))
+
+    @testset "Plot" begin
+        plots = [
+            histogram([1, 0, 0, 0, 0, 0]),
+            plot([missing]),
+            plot([missing, missing]),
+            plot(fill(missing, 10)),
+            plot([missing; 1:4]),
+            plot([fill(missing, 10); 1:4]),
+            plot([1 1; 1 missing]),
+            plot(["a" "b"; missing "d"], [1 2; 3 4]),
+        ]
+        for plt in plots
+            display(dsp, plt)
+        end
+        @test_nowarn plot(x -> x^2, 0, 2)
+    end
+
+    @testset "Bar" begin
+        p = bar([3, 2, 1], [1, 2, 3])
+        @test p isa Plots.Plot
+        @test display(dsp, p) isa Nothing
     end
 end
 
@@ -70,33 +161,100 @@ end
     @test_throws ArgumentError gif(anim)
 end
 
-@testset "Segments" begin
-    function segments(args...)
-        segs = UnitRange{Int}[]
-        for seg in iter_segments(args...)
-            push!(segs,seg)
-        end
-        segs
-    end
+@testset "NaN-separated Segments" begin
+    segments(args...) = collect(iter_segments(args...))
 
-    nan10 = fill(NaN,10)
+    nan10 = fill(NaN, 10)
     @test segments(11:20) == [1:10]
     @test segments([NaN]) == []
     @test segments(nan10) == []
     @test segments([nan10; 1:5]) == [11:15]
-    @test segments([1:5;nan10]) == [1:5]
+    @test segments([1:5; nan10]) == [1:5]
     @test segments([nan10; 1:5; nan10; 1:5; nan10]) == [11:15, 26:30]
     @test segments([NaN; 1], 1:10) == [2:2, 4:4, 6:6, 8:8, 10:10]
     @test segments([nan10; 1:15], [1:15; nan10]) == [11:15]
 end
 
 @testset "Utils" begin
-    zipped = ([(1,2)], [("a","b")], [(1,"a"),(2,"b")],
-              [(1,2),(3,4)], [(1,2,3),(3,4,5)], [(1,2,3,4),(3,4,5,6)],
-              [(1,2.0),(missing,missing)], [(1,missing),(missing,"a")],
-              [(missing,missing)], [(missing,missing,missing),("a","b","c")])
+    zipped = (
+        [(1, 2)],
+        [("a", "b")],
+        [(1, "a"), (2, "b")],
+        [(1, 2), (3, 4)],
+        [(1, 2, 3), (3, 4, 5)],
+        [(1, 2, 3, 4), (3, 4, 5, 6)],
+        [(1, 2.0), (missing, missing)],
+        [(1, missing), (missing, "a")],
+        [(missing, missing)],
+        [(missing, missing, missing), ("a", "b", "c")],
+    )
     for z in zipped
         @test isequal(collect(zip(Plots.unzip(z)...)), z)
-        @test isequal(collect(zip(Plots.unzip(Point.(z))...)), z)
+        @test isequal(collect(zip(Plots.unzip(GeometryBasics.Point.(z))...)), z)
+    end
+    op1 = Plots.process_clims((1.0, 2.0))
+    op2 = Plots.process_clims((1, 2.0))
+    data = randn(100, 100)
+    @test op1(data) == op2(data)
+    @test Plots.process_clims(nothing) ==
+          Plots.process_clims(missing) ==
+          Plots.process_clims(:auto)
+end
+
+@testset "Backends" begin
+    @testset "UnicodePlots" begin
+        @test unicodeplots() == Plots.UnicodePlotsBackend()
+        @test backend() == Plots.UnicodePlotsBackend()
+
+        io = IOContext(IOBuffer(), :color => true)
+
+        # lets just make sure it runs without error
+        p = plot(rand(10))
+        @test p isa Plots.Plot
+        @test show(io, p) isa Nothing
+        p = bar(randn(10))
+        @test p isa Plots.Plot
+        @test show(io, p) isa Nothing
+        p = plot([1, 2], [3, 4])
+        annotate!(p, [(1.5, 3.2, Plots.text("Test", :red, :center))])
+        hline!(p, [3.1])
+        @test p isa Plots.Plot
+        @test show(io, p) isa Nothing
+        p = plot([Dates.Date(2019, 1, 1), Dates.Date(2019, 2, 1)], [3, 4])
+        hline!(p, [3.1])
+        annotate!(p, [(Dates.Date(2019, 1, 15), 3.2, Plots.text("Test", :red, :center))])
+        @test p isa Plots.Plot
+        @test show(io, p) isa Nothing
+        p = plot([Dates.Date(2019, 1, 1), Dates.Date(2019, 2, 1)], [3, 4])
+        annotate!(p, [(Dates.Date(2019, 1, 15), 3.2, :auto)])
+        hline!(p, [3.1])
+        @test p isa Plots.Plot
+        @test show(io, p) isa Nothing
+    end
+
+    @testset "PlotlyJS" begin
+        @test plotlyjs() == Plots.PlotlyJSBackend()
+        @test backend() == Plots.PlotlyJSBackend()
+
+        p = plot(rand(10))
+        @test p isa Plots.Plot
+        @test_broken display(p) isa Nothing
+    end
+
+    @testset "GR" begin
+        ENV["PLOTS_TEST"] = "true"
+        ENV["GKSwstype"] = "100"
+        @test gr() == Plots.GRBackend()
+        @test backend() == Plots.GRBackend()
+
+        @static if haskey(ENV, "APPVEYOR")
+            @info "Skipping GR image comparison tests on AppVeyor"
+        else
+            image_comparison_facts(
+                :gr,
+                tol = PLOTS_IMG_TOL,
+                skip = Plots._backend_skips[:gr],
+            )
+        end
     end
 end

test/test_axes.jl

@@ -0,0 +1,119 @@
+using Plots, Test
+
+@testset "Showaxis" begin
+    for value in Plots._allShowaxisArgs
+        @test plot(1:5, showaxis = value)[1][:yaxis][:showaxis] isa Bool
+    end
+    @test plot(1:5, showaxis = :y)[1][:yaxis][:showaxis] == true
+    @test plot(1:5, showaxis = :y)[1][:xaxis][:showaxis] == false
+end
+
+@testset "Magic axis" begin
+    @test plot(1, axis = nothing)[1][:xaxis][:ticks] == []
+    @test plot(1, axis = nothing)[1][:yaxis][:ticks] == []
+end # testset
+
+@testset "Categorical ticks" begin
+    p1 = plot('A':'M', 1:13)
+    p2 = plot('A':'Z', 1:26)
+    p3 = plot('A':'Z', 1:26, ticks = :all)
+    @test Plots.get_ticks(p1[1], p1[1][:xaxis])[2] == string.('A':'M')
+    @test Plots.get_ticks(p2[1], p2[1][:xaxis])[2] == string.('C':3:'Z')
+    @test Plots.get_ticks(p3[1], p3[1][:xaxis])[2] == string.('A':'Z')
+end
+
+@testset "Ticks getter functions" begin
+    ticks1 = ([1, 2, 3], ("a", "b", "c"))
+    ticks2 = ([4, 5], ("e", "f"))
+    p1 = plot(1:5, 1:5, 1:5, xticks = ticks1, yticks = ticks1, zticks = ticks1)
+    p2 = plot(1:5, 1:5, 1:5, xticks = ticks2, yticks = ticks2, zticks = ticks2)
+    p = plot(p1, p2)
+    @test xticks(p) == yticks(p) == zticks(p) == [ticks1, ticks2]
+    @test xticks(p[1]) == yticks(p[1]) == zticks(p[1]) == ticks1
+end
+
+@testset "Axis limits" begin
+    pl = plot(1:5, xlims = :symmetric, widen = false)
+    @test Plots.xlims(pl) == (-5, 5)
+
+    pl = plot(1:3)
+    @test Plots.xlims(pl) == Plots.widen(1, 3)
+
+    pl = plot([1.05, 2.0, 2.95], ylims = :round)
+    @test Plots.ylims(pl) == (1, 3)
+
+    pl = plot(1:3, xlims = (1, 5))
+    @test Plots.xlims(pl) == (1, 5)
+
+    pl = plot(1:3, xlims = (1, 5), widen = true)
+    @test Plots.xlims(pl) == Plots.widen(1, 5)
+end
+
+@testset "3D Axis" begin
+    ql = quiver([1, 2], [2, 1], [3, 4], quiver = ([1, -1], [0, 0], [1, -0.5]), arrow = true)
+    @test ql[1][:projection] == "3d"
+end
+
+@testset "twinx" begin
+    pl = plot(1:10, margin = 2Plots.cm)
+    twpl = twinx(pl)
+    pl! = plot!(twinx(), -(1:10))
+    @test twpl[:right_margin] == 2Plots.cm
+    @test twpl[:left_margin] == 2Plots.cm
+    @test twpl[:top_margin] == 2Plots.cm
+    @test twpl[:bottom_margin] == 2Plots.cm
+end
+
+@testset "axis-aliases" begin
+    p = plot(1:2, xl = "x label")
+    @test p[1][:xaxis][:guide] === "x label"
+    p = plot(1:2, xrange = (0, 3))
+    @test xlims(p) === (0, 3)
+    p = plot(1:2, xtick = [1.25, 1.5, 1.75])
+    @test p[1][:xaxis][:ticks] == [1.25, 1.5, 1.75]
+    p = plot(1:2, xlabelfontsize = 4)
+    @test p[1][:xaxis][:guidefontsize] == 4
+    p = plot(1:2, xgα = 0.07)
+    @test p[1][:xaxis][:gridalpha] ≈ 0.07
+    p = plot(1:2, xgridls = :dashdot)
+    @test p[1][:xaxis][:gridstyle] === :dashdot
+    p = plot(1:2, xgridcolor = :red)
+    @test p[1][:xaxis][:foreground_color_grid] === RGBA{Float64}(1.0, 0.0, 0.0, 1.0)
+    p = plot(1:2, xminorgridcolor = :red)
+    @test p[1][:xaxis][:foreground_color_minor_grid] === RGBA{Float64}(1.0, 0.0, 0.0, 1.0)
+    p = plot(1:2, xgrid_lw = 0.01)
+    @test p[1][:xaxis][:gridlinewidth] ≈ 0.01
+    p = plot(1:2, xminorgrid_lw = 0.01)
+    @test p[1][:xaxis][:minorgridlinewidth] ≈ 0.01
+    p = plot(1:2, xtickor = :out)
+    @test p[1][:xaxis][:tick_direction] === :out
+end
+
+@testset "aliases" begin
+    compare(p::Plots.Plot, s::Symbol, val, op) =
+        op(p[1][:xaxis][s], val) && op(p[1][:yaxis][s], val) && op(p[1][:zaxis][s], val)
+    p = plot(1:2, guide = "all labels")
+    @test compare(p, :guide, "all labels", ===)
+    p = plot(1:2, label = "test")
+    @test compare(p, :guide, "", ===)
+    p = plot(1:2, lim = (0, 3))
+    @test xlims(p) === ylims(p) === zlims(p) === (0, 3)
+    p = plot(1:2, tick = [1.25, 1.5, 1.75])
+    @test compare(p, :ticks, [1.25, 1.5, 1.75], ==)
+    p = plot(1:2, labelfontsize = 4)
+    @test compare(p, :guidefontsize, 4, ==)
+    p = plot(1:2, gα = 0.07)
+    @test compare(p, :gridalpha, 0.07, ≈)
+    p = plot(1:2, gridls = :dashdot)
+    @test compare(p, :gridstyle, :dashdot, ===)
+    p = plot(1:2, gridcolor = :red)
+    @test compare(p, :foreground_color_grid, RGBA{Float64}(1.0, 0.0, 0.0, 1.0), ===)
+    p = plot(1:2, minorgridcolor = :red)
+    @test compare(p, :foreground_color_minor_grid, RGBA{Float64}(1.0, 0.0, 0.0, 1.0), ===)
+    p = plot(1:2, grid_lw = 0.01)
+    @test compare(p, :gridlinewidth, 0.01, ≈)
+    p = plot(1:2, minorgrid_lw = 0.01)
+    @test compare(p, :minorgridlinewidth, 0.01, ≈)
+    p = plot(1:2, tickor = :out)
+    @test compare(p, :tick_direction, :out, ===)
+end

test/test_axis_letter.jl

@@ -0,0 +1,28 @@
+using Plots, Test
+
+@testset "axis letter" begin
+    using Plots, RecipesBase
+    # a custom type for dispacthing the axis-letter-testing recipe
+    struct MyType <: Number
+        val::Float64
+    end
+    value(m::MyType) = m.val
+    data = MyType.(sort(randn(20)))
+    # A recipe that puts the axis letter in the title
+    @recipe function f(::Type{T}, m::T) where {T<:AbstractArray{<:MyType}}
+        title --> string(plotattributes[:letter])
+        value.(m)
+    end
+    @testset "$f (orientation = $o)" for f in [histogram, barhist, stephist, scatterhist],
+        o in [:vertical, :horizontal]
+
+        @test f(data, orientation = o).subplots[1].attr[:title] ==
+              (o == :vertical ? "x" : "y")
+    end
+    @testset "$f" for f in [hline, hspan]
+        @test f(data).subplots[1].attr[:title] == "y"
+    end
+    @testset "$f" for f in [vline, vspan]
+        @test f(data).subplots[1].attr[:title] == "x"
+    end
+end

test/test_components.jl

@@ -0,0 +1,160 @@
+using Plots, Test
+
+@testset "Shapes" begin
+    @testset "Type" begin
+        square = Shape([(0, 0.0), (1, 0.0), (1, 1.0), (0, 1.0)])
+        @test isa(square, Shape{Int64,Float64})
+        @test coords(square) isa Tuple{Vector{S},Vector{T}} where {T,S}
+    end
+
+    @testset "Copy" begin
+        square = Shape([(0, 0), (1, 0), (1, 1), (0, 1)])
+        square2 = Shape(square)
+        @test square2.x == square.x
+        @test square2.y == square.y
+    end
+
+    @testset "Center" begin
+        square = Shape([(0, 0), (1, 0), (1, 1), (0, 1)])
+        @test Plots.center(square) == (0.5, 0.5)
+    end
+
+    @testset "Translate" begin
+        square = Shape([(0, 0), (1, 0), (1, 1), (0, 1)])
+        squareUp = Shape([(0, 1), (1, 1), (1, 2), (0, 2)])
+        squareUpRight = Shape([(1, 1), (2, 1), (2, 2), (1, 2)])
+
+        @test Plots.translate(square, 0, 1).x == squareUp.x
+        @test Plots.translate(square, 0, 1).y == squareUp.y
+
+        @test Plots.center(translate!(square, 1)) == (1.5, 1.5)
+    end
+
+    @testset "Rotate" begin
+        # 2 radians rotation matrix
+        R2 = [cos(2) sin(2); -sin(2) cos(2)]
+        coords = [0 0; 1 0; 1 1; 0 1]'
+        coordsRotated2 = R2 * (coords .- 0.5) .+ 0.5
+
+        square = Shape([(0, 0), (1, 0), (1, 1), (0, 1)])
+
+        # make a new, rotated square
+        square2 = Plots.rotate(square, -2)
+        @test square2.x ≈ coordsRotated2[1, :]
+        @test square2.y ≈ coordsRotated2[2, :]
+
+        # unrotate the new square in place
+        rotate!(square2, 2)
+        @test square2.x ≈ coords[1, :]
+        @test square2.y ≈ coords[2, :]
+    end
+
+    @testset "Plot" begin
+        ang = range(0, 2π, length = 60)
+        ellipse(x, y, w, h) = Shape(w * sin.(ang) .+ x, h * cos.(ang) .+ y)
+        myshapes = [ellipse(x, rand(), rand(), rand()) for x in 1:4]
+        @test coords(myshapes) isa Tuple{Vector{Vector{S}},Vector{Vector{T}}} where {T,S}
+        local p
+        @test_nowarn p = plot(myshapes)
+        @test p[1][1][:seriestype] == :shape
+    end
+end
+
+@testset "Brush" begin
+    @testset "Colors" begin
+        baseline = brush(1, RGB(0, 0, 0))
+        @test brush(:black) == baseline
+        @test brush("black") == baseline
+    end
+    @testset "Weight" begin
+        @test brush(10).size == 10
+        @test brush(0.1).size == 1
+    end
+    @testset "Alpha" begin
+        @test brush(0.4).alpha == 0.4
+        @test brush(20).alpha == nothing
+    end
+    @testset "Bad Argument" begin
+        # using test_logs because test_warn seems to not work anymore
+        @test_logs (:warn, "Unused brush arg: nothing (Nothing)") begin
+            brush(nothing)
+        end
+    end
+end
+
+@testset "Fonts" begin
+    @testset "Scaling" begin
+        sizesToCheck = [
+            :titlefontsize,
+            :legendfontsize,
+            :legendtitlefontsize,
+            :xtickfontsize,
+            :ytickfontsize,
+            :ztickfontsize,
+            :xguidefontsize,
+            :yguidefontsize,
+            :zguidefontsize,
+        ]
+        # get inital font sizes
+        initialSizes = [Plots.default(s) for s in sizesToCheck]
+
+        #scale up font sizes
+        scalefontsizes(2)
+
+        # get inital font sizes
+        doubledSizes = [Plots.default(s) for s in sizesToCheck]
+
+        @test doubledSizes == initialSizes * 2
+
+        # reset font sizes
+        resetfontsizes()
+
+        finalSizes = [Plots.default(s) for s in sizesToCheck]
+
+        @test finalSizes == initialSizes
+    end
+end
+
+@testset "Series Annotations" begin
+    square = Shape([(0.0, 0.0), (1.0, 0.0), (1.0, 1.0), (0.0, 1.0)])
+    @test_logs (:warn, "Unused SeriesAnnotations arg: triangle (Symbol)") begin
+        p = plot(
+            [1, 2, 3],
+            series_annotations = (
+                ["a"],
+                2,    # pass a scale factor
+                (1, 4), # pass two scale factors (overwrites first one)
+                square, # pass a shape
+                font(:courier), # pass an annotation font
+                :triangle,  # pass an incorrect argument
+            ),
+        )
+        sa = p.series_list[1].plotattributes[:series_annotations]
+        @test only(sa.strs).str == "a"
+        @test sa.font.family == "courier"
+        @test sa.baseshape == square
+        @test sa.scalefactor == (1, 4)
+    end
+    spl = scatter(
+        4.53 .* [1 / 1 1 / 2 1 / 3 1 / 4 1 / 5],
+        [0 0 0 0 0],
+        layout = (5, 1),
+        ylims = (-1.1, 1.1),
+        xlims = (0, 5),
+        series_annotations = permutedims([["1/1"], ["1/2"], ["1/3"], ["1/4"], ["1/5"]]),
+    )
+    for i in 1:5
+        @test only(spl.series_list[i].plotattributes[:series_annotations].strs).str ==
+              "1/$i"
+    end
+
+    p = plot([1, 2], annotations = (1.5, 2, text("foo", :left)))
+    x, y, txt = only(p.subplots[end][:annotations])
+    @test (x, y) == (1.5, 2)
+    @test txt.str == "foo"
+
+    p = plot([1, 2], annotations = ((0.1, 0.5), :auto))
+    pos, txt = only(p.subplots[end][:annotations])
+    @test pos == (0.1, 0.5)
+    @test txt.str == "(a)"
+end

test/test_contours.jl

@@ -0,0 +1,68 @@
+using Plots, Test
+import RecipesPipeline
+
+@testset "Contours" begin
+    @testset "check_contour_levels" begin
+        @test Plots.check_contour_levels(2) === nothing
+        @test Plots.check_contour_levels(-1.0:0.2:10.0) === nothing
+        @test Plots.check_contour_levels([-100, -2, -1, 0, 1, 2, 100]) === nothing
+        @test_throws ArgumentError Plots.check_contour_levels(1.0)
+        @test_throws ArgumentError Plots.check_contour_levels((1, 2, 3))
+        @test_throws ArgumentError Plots.check_contour_levels(-3)
+    end
+
+    @testset "RecipesPipeline.preprocess_attributes!" begin
+        function equal_after_pipeline(kw)
+            kw′ = deepcopy(kw)
+            RecipesPipeline.preprocess_attributes!(kw′)
+            kw == kw′
+        end
+
+        @test equal_after_pipeline(KW(:levels => 1))
+        @test equal_after_pipeline(KW(:levels => 1:10))
+        @test equal_after_pipeline(KW(:levels => [1.0, 3.0, 5.0]))
+        @test_throws ArgumentError RecipesPipeline.preprocess_attributes!(
+            KW(:levels => 1.0),
+        )
+        @test_throws ArgumentError RecipesPipeline.preprocess_attributes!(
+            KW(:levels => (1, 2, 3)),
+        )
+        @test_throws ArgumentError RecipesPipeline.preprocess_attributes!(KW(:levels => -3))
+    end
+
+    @testset "contour[f]" begin
+        x = (-2π):0.1:(2π)
+        y = (-π):0.1:π
+        z = cos.(y) .* sin.(x')
+
+        @testset "Incorrect input" begin
+            @test_throws ArgumentError contour(x, y, z, levels = 1.0)
+            @test_throws ArgumentError contour(x, y, z, levels = (1, 2, 3))
+            @test_throws ArgumentError contour(x, y, z, levels = -3)
+        end
+
+        @testset "Default number" begin
+            @test contour(x, y, z)[1][1].plotattributes[:levels] ==
+                  Plots._series_defaults[:levels]
+        end
+
+        @testset "Number" begin
+            @testset "$n contours" for n in (2, 5, 100)
+                p = contour(x, y, z, levels = n)
+                attr = p[1][1].plotattributes
+                @test attr[:seriestype] == :contour
+                @test attr[:levels] == n
+            end
+        end
+
+        @testset "Range" begin
+            levels = -1:0.5:1
+            @test contour(x, y, z, levels = levels)[1][1].plotattributes[:levels] == levels
+        end
+
+        @testset "Set of levels" begin
+            levels = [-1, 0.25, 0, 0.25, 1]
+            @test contour(x, y, z, levels = levels)[1][1].plotattributes[:levels] == levels
+        end
+    end
+end

test/test_defaults.jl

@@ -0,0 +1,13 @@
+using Plots, Test
+
+const PLOTS_DEFAULTS = Dict(:theme => :wong2, :fontfamily => :palantino)
+Plots.__init__()
+
+@testset "Loading theme" begin
+    pl = plot(1:5)
+    @test pl[1][1][:seriescolor] == RGBA(colorant"black")
+    @test guidefont(pl[1][:xaxis]).family == "palantino"
+end
+
+empty!(PLOTS_DEFAULTS)
+Plots.__init__()

test/test_hdf5plots.jl

@@ -0,0 +1,20 @@
+using Plots, HDF5
+
+@testset "HDF5_Plots" begin
+    fname = "tmpplotsave.hdf5"
+    hdf5()
+
+    x = 1:10
+    psrc = plot(x, x .* x) #Create some plot
+    Plots.hdf5plot_write(psrc, fname)
+
+    #Read back file:
+    gr() #Choose some fast backend likely to work in test environment.
+    pread = Plots.hdf5plot_read(fname)
+
+    #Make sure data made it through:
+    @test psrc.subplots[1].series_list[1][:x] == pread.subplots[1].series_list[1][:x]
+    @test psrc.subplots[1].series_list[1][:y] == pread.subplots[1].series_list[1][:y]
+
+    #display(pread) #Don't display. Regression env might not support
+end #testset

test/test_pgfplotsx.jl

@@ -0,0 +1,408 @@
+using Plots, Test
+pgfplotsx()
+
+function create_plot(args...; kwargs...)
+    pgfx_plot = plot(args...; kwargs...)
+    return pgfx_plot, repr("application/x-tex", pgfx_plot)
+end
+
+function create_plot!(args...; kwargs...)
+    pgfx_plot = plot!(args...; kwargs...)
+    return pgfx_plot, repr("application/x-tex", pgfx_plot)
+end
+
+@testset "PGFPlotsX" begin
+    pgfx_plot = plot(1:5)
+    Plots._update_plot_object(pgfx_plot)
+    @test pgfx_plot.o.the_plot isa PGFPlotsX.TikzDocument
+    @test pgfx_plot.series_list[1].plotattributes[:quiver] === nothing
+    axis = Plots.pgfx_axes(pgfx_plot.o)[1]
+    @test count(x -> x isa PGFPlotsX.Plot, axis.contents) == 1
+    @test !haskey(axis.contents[1].options.dict, "fill")
+
+    @testset "Legends" begin
+        legends_plot = plot(rand(5, 2), lab = ["1" ""])
+        scatter!(legends_plot, rand(5))
+        Plots._update_plot_object(legends_plot)
+        axis_contents = Plots.pgfx_axes(legends_plot.o)[1].contents
+        leg_entries = filter(x -> x isa PGFPlotsX.LegendEntry, axis_contents)
+        series = filter(x -> x isa PGFPlotsX.Plot, axis_contents)
+        @test length(leg_entries) == 2
+        @test !haskey(series[1].options.dict, "forget plot")
+        @test haskey(series[2].options.dict, "forget plot")
+        @test !haskey(series[3].options.dict, "forget plot")
+    end # testset
+
+    @testset "3D docs example" begin
+        n = 100
+        ts = range(0, stop = 8π, length = n)
+        x = ts .* map(cos, ts)
+        y = (0.1ts) .* map(sin, ts)
+        z = 1:n
+        pl = plot(
+            x,
+            y,
+            z,
+            zcolor = reverse(z),
+            m = (10, 0.8, :blues, Plots.stroke(0)),
+            leg = false,
+            cbar = true,
+            w = 5,
+        )
+        pgfx_plot = plot!(pl, zeros(n), zeros(n), 1:n, w = 10)
+        Plots._update_plot_object(pgfx_plot)
+        if @test_nowarn(
+            haskey(Plots.pgfx_axes(pgfx_plot.o)[1].options.dict, "colorbar") == true
+        )
+            @test Plots.pgfx_axes(pgfx_plot.o)[1]["colorbar"] === nothing
+        end
+    end # testset
+    @testset "Color docs example" begin
+        y = rand(100)
+        plot(
+            0:10:100,
+            rand(11, 4),
+            lab = "lines",
+            w = 3,
+            palette = :grays,
+            fill = 0,
+            α = 0.6,
+        )
+        pl = scatter!(
+            y,
+            zcolor = abs.(y .- 0.5),
+            m = (:hot, 0.8, Plots.stroke(1, :green)),
+            ms = 10 * abs.(y .- 0.5) .+ 4,
+            lab = ["grad", "", "ient"],
+        )
+        Plots._update_plot_object(pl)
+        axis = Plots.pgfx_axes(pl.o)[1]
+        @test count(x -> x isa PGFPlotsX.LegendEntry, axis.contents) == 6
+        @test count(x -> x isa PGFPlotsX.Plot, axis.contents) == 108 # each marker is its own plot, fillranges create 2 plot-objects
+        marker = axis.contents[15]
+        @test marker isa PGFPlotsX.Plot
+        @test marker.options["mark"] == "*"
+        @test marker.options["mark options"]["color"] == RGBA{Float64}(colorant"green", 0.8)
+        @test marker.options["mark options"]["line width"] == 0.75 # 1px is 0.75pt
+    end # testset
+    @testset "Plot in pieces" begin
+        pic = plot(rand(100) / 3, reg = true, fill = (0, :green))
+        scatter!(pic, rand(100), markersize = 6, c = :orange)
+        Plots._update_plot_object(pic)
+        axis_contents = Plots.pgfx_axes(pic.o)[1].contents
+        leg_entries = filter(x -> x isa PGFPlotsX.LegendEntry, axis_contents)
+        series = filter(x -> x isa PGFPlotsX.Plot, axis_contents)
+        @test length(leg_entries) == 2
+        @test length(series) == 4
+        @test haskey(series[1].options.dict, "forget plot")
+        @test !haskey(series[2].options.dict, "forget plot")
+        @test haskey(series[3].options.dict, "forget plot")
+        @test !haskey(series[4].options.dict, "forget plot")
+    end # testset
+    @testset "Marker types" begin
+        markers = filter((m -> begin
+            m in Plots.supported_markers()
+        end), Plots._shape_keys)
+        markers = reshape(markers, 1, length(markers))
+        n = length(markers)
+        x = (range(0, stop = 10, length = n + 2))[2:(end - 1)]
+        y = repeat(reshape(reverse(x), 1, :), n, 1)
+        scatter(
+            x,
+            y,
+            m = (8, :auto),
+            lab = map(string, markers),
+            bg = :linen,
+            xlim = (0, 10),
+            ylim = (0, 10),
+        )
+    end # testset
+    @testset "Layout" begin
+        plot(
+            Plots.fakedata(100, 10),
+            layout = 4,
+            palette = [:grays :blues :hot :rainbow],
+            bg_inside = [:orange :pink :darkblue :black],
+        )
+    end # testset
+    @testset "Polar plots" begin
+        Θ = range(0, stop = 1.5π, length = 100)
+        r = abs.(0.1 * randn(100) + sin.(3Θ))
+        plot(Θ, r, proj = :polar, m = 2)
+    end # testset
+    @testset "Drawing shapes" begin
+        verts = [
+            (-1.0, 1.0),
+            (-1.28, 0.6),
+            (-0.2, -1.4),
+            (0.2, -1.4),
+            (1.28, 0.6),
+            (1.0, 1.0),
+            (-1.0, 1.0),
+            (-0.2, -0.6),
+            (0.0, -0.2),
+            (-0.4, 0.6),
+            (1.28, 0.6),
+            (0.2, -1.4),
+            (-0.2, -1.4),
+            (0.6, 0.2),
+            (-0.2, 0.2),
+            (0.0, -0.2),
+            (0.2, 0.2),
+            (-0.2, -0.6),
+        ]
+        x = 0.1:0.2:0.9
+        y = 0.7 * rand(5) .+ 0.15
+        plot(
+            x,
+            y,
+            line = (3, :dash, :lightblue),
+            marker = (Shape(verts), 30, RGBA(0, 0, 0, 0.2)),
+            bg = :pink,
+            fg = :darkblue,
+            xlim = (0, 1),
+            ylim = (0, 1),
+            leg = false,
+        )
+    end # testset
+    @testset "Histogram 2D" begin
+        histogram2d(randn(10000), randn(10000), nbins = 20)
+    end # testset
+    @testset "Heatmap-like" begin
+        xs = [string("x", i) for i in 1:10]
+        ys = [string("y", i) for i in 1:4]
+        z = float((1:4) * reshape(1:10, 1, :))
+        pgfx_plot = heatmap(xs, ys, z, aspect_ratio = 1)
+        Plots._update_plot_object(pgfx_plot)
+        if @test_nowarn(
+            haskey(Plots.pgfx_axes(pgfx_plot.o)[1].options.dict, "colorbar") == true
+        )
+            @test Plots.pgfx_axes(pgfx_plot.o)[1]["colorbar"] === nothing
+            @test Plots.pgfx_axes(pgfx_plot.o)[1]["colormap name"] == "plots1"
+        end
+
+        pgfx_plot = wireframe(xs, ys, z, aspect_ratio = 1)
+        # TODO: clims are wrong
+    end # testset
+    @testset "Contours" begin
+        x = 1:0.5:20
+        y = 1:0.5:10
+        f(x, y) = begin
+            (3x + y^2) * abs(sin(x) + cos(y))
+        end
+        X = repeat(reshape(x, 1, :), length(y), 1)
+        Y = repeat(y, 1, length(x))
+        Z = map(f, X, Y)
+        p2 = contour(x, y, Z)
+        p1 = contour(x, y, f, fill = true)
+        plot(p1, p2)
+        # TODO: colorbar for filled contours
+    end # testset
+    @testset "Varying colors" begin
+        t = range(0, stop = 1, length = 100)
+        θ = (6π) .* t
+        x = t .* cos.(θ)
+        y = t .* sin.(θ)
+        p1 = plot(x, y, line_z = t, linewidth = 3, legend = false)
+        p2 = scatter(x, y, marker_z = ((x, y) -> begin
+            x + y
+        end), color = :bwr, legend = false)
+        plot(p1, p2)
+    end # testset
+    @testset "Framestyles" begin
+        scatter(
+            fill(randn(10), 6),
+            fill(randn(10), 6),
+            framestyle = [:box :semi :origin :zerolines :grid :none],
+            title = [":box" ":semi" ":origin" ":zerolines" ":grid" ":none"],
+            color = permutedims(1:6),
+            layout = 6,
+            label = "",
+            markerstrokewidth = 0,
+            ticks = -2:2,
+        )
+        # TODO: support :semi
+    end # testset
+    @testset "Quiver" begin
+        x = (-2pi):0.2:(2 * pi)
+        y = sin.(x)
+
+        u = ones(length(x))
+        v = cos.(x)
+        arrow_plot = plot(x, y, quiver = (u, v), arrow = true)
+        # TODO: could adjust limits to fit arrows if too long, but how?
+        # TODO: get latex available on CI
+        # mktempdir() do path
+        #    @test_nowarn savefig(arrow_plot, path*"arrow.pdf")
+        # end
+    end # testset
+    @testset "Annotations" begin
+        y = rand(10)
+        pgfx_plot =
+            plot(y, annotations = (3, y[3], Plots.text("this is \\#3", :left)), leg = false)
+        Plots._update_plot_object(pgfx_plot)
+        axis_content = Plots.pgfx_axes(pgfx_plot.o)[1].contents
+        nodes = filter(x -> !isa(x, PGFPlotsX.Plot), axis_content)
+        @test length(nodes) == 1
+        mktempdir() do path
+            file_path = joinpath(path, "annotations.tex")
+            @test_nowarn savefig(pgfx_plot, file_path)
+            open(file_path) do io
+                lines = readlines(io)
+                @test count(s -> occursin("node", s), lines) == 1
+            end
+        end
+        annotate!([
+            (5, y[5], Plots.text("this is \\#5", 16, :red, :center)),
+            (10, y[10], Plots.text("this is \\#10", :right, 20, "courier")),
+        ])
+        Plots._update_plot_object(pgfx_plot)
+        axis_content = Plots.pgfx_axes(pgfx_plot.o)[1].contents
+        nodes = filter(x -> !isa(x, PGFPlotsX.Plot), axis_content)
+        @test length(nodes) == 3
+        mktempdir() do path
+            file_path = joinpath(path, "annotations.tex")
+            @test_nowarn savefig(pgfx_plot, file_path)
+            open(file_path) do io
+                lines = readlines(io)
+                @test count(s -> occursin("node", s), lines) == 3
+            end
+        end
+        annotation_plot = scatter!(
+            range(2, stop = 8, length = 6),
+            rand(6),
+            marker = (50, 0.2, :orange),
+            series_annotations = [
+                "series",
+                "annotations",
+                "map",
+                "to",
+                "series",
+                Plots.text("data", :green),
+            ],
+        )
+        Plots._update_plot_object(annotation_plot)
+        axis_content = Plots.pgfx_axes(annotation_plot.o)[1].contents
+        nodes = filter(x -> !isa(x, PGFPlotsX.Plot), axis_content)
+        @test length(nodes) == 9
+        mktempdir() do path
+            file_path = joinpath(path, "annotations.tex")
+            @test_nowarn savefig(annotation_plot, file_path)
+            open(file_path) do io
+                lines = readlines(io)
+                @test count(s -> occursin("node", s), lines) == 9
+            end
+            # test .tikz extension
+            file_path = joinpath(path, "annotations.tikz")
+            @test_nowarn savefig(annotation_plot, file_path)
+            @test_nowarn open(file_path) do io
+            end
+        end
+    end # testset
+    @testset "Ribbon" begin
+        aa = rand(10)
+        bb = rand(10)
+        cc = rand(10)
+        conf = [aa - cc bb - cc]
+        ribbon_plot = plot(collect(1:10), fill(1, 10), ribbon = (conf[:, 1], conf[:, 2]))
+        Plots._update_plot_object(ribbon_plot)
+        axis = Plots.pgfx_axes(ribbon_plot.o)[1]
+        plots = filter(x -> x isa PGFPlotsX.Plot, axis.contents)
+        @test length(plots) == 3
+        @test haskey(plots[1].options.dict, "fill")
+        @test haskey(plots[2].options.dict, "fill")
+        @test !haskey(plots[3].options.dict, "fill")
+        @test ribbon_plot.o !== nothing
+        @test ribbon_plot.o.the_plot !== nothing
+    end # testset
+    @testset "Markers and Paths" begin
+        pl = plot(
+            5 .- ones(9),
+            markershape = [:utriangle, :rect],
+            markersize = 8,
+            color = [:red, :black],
+        )
+        Plots._update_plot_object(pl)
+        axis = Plots.pgfx_axes(pl.o)[1]
+        plots = filter(x -> x isa PGFPlotsX.Plot, axis.contents)
+        @test length(plots) == 9
+    end # testset
+    @testset "Groups and Subplots" begin
+        group = rand(map((i -> begin
+            "group $(i)"
+        end), 1:4), 100)
+        pl = plot(
+            rand(100),
+            layout = @layout([a b; c]),
+            group = group,
+            linetype = [:bar :scatter :steppre],
+            linecolor = :match,
+        )
+        Plots._update_plot_object(pl)
+        axis = Plots.pgfx_axes(pl.o)[1]
+        legend_entries = filter(x -> x isa PGFPlotsX.LegendEntry, axis.contents)
+        @test length(legend_entries) == 2
+    end
+end # testset
+
+@testset "Extra kwargs" begin
+    pl = plot(1:5, test = "me")
+    @test pl[1][1].plotattributes[:extra_kwargs][:test] == "me"
+    pl = plot(1:5, test = "me", extra_kwargs = :subplot)
+    @test pl[1].attr[:extra_kwargs][:test] == "me"
+    pl = plot(1:5, test = "me", extra_kwargs = :plot)
+    @test pl.attr[:extra_plot_kwargs][:test] == "me"
+    pl = plot(
+        1:5,
+        extra_kwargs = Dict(
+            :plot => Dict(:test => "me"),
+            :series => Dict(:and => "me too"),
+        ),
+    )
+    @test pl.attr[:extra_plot_kwargs][:test] == "me"
+    @test pl[1][1].plotattributes[:extra_kwargs][:and] == "me too"
+    pl = plot(
+        plot(1:5, title = "Line"),
+        scatter(
+            1:5,
+            title = "Scatter",
+            extra_kwargs = Dict(:subplot => Dict("axis line shift" => "10pt")),
+        ),
+    )
+    Plots._update_plot_object(pl)
+    axes = Plots.pgfx_axes(pl.o)
+    @test !haskey(axes[1].options.dict, "axis line shift")
+    @test haskey(axes[2].options.dict, "axis line shift")
+    pl =
+        plot(x -> x, -1:1; add = raw"\node at (0,0.5) {\huge hi};", extra_kwargs = :subplot)
+    @test pl[1][:extra_kwargs] == Dict(:add => raw"\node at (0,0.5) {\huge hi};")
+    Plots._update_plot_object(pl)
+    axes = Plots.pgfx_axes(pl.o)
+    @test filter(x -> x isa String, axes[1].contents)[1] ==
+          raw"\node at (0,0.5) {\huge hi};"
+    plot!(pl)
+    @test pl[1][:extra_kwargs] == Dict(:add => raw"\node at (0,0.5) {\huge hi};")
+    Plots._update_plot_object(pl)
+    axes = Plots.pgfx_axes(pl.o)
+    @test filter(x -> x isa String, axes[1].contents)[1] ==
+          raw"\node at (0,0.5) {\huge hi};"
+end # testset
+
+@testset "Titlefonts" begin
+    pl = plot(1:5, title = "Test me", titlefont = (2, :left))
+    @test pl[1][:title] == "Test me"
+    @test pl[1][:titlefontsize] == 2
+    @test pl[1][:titlefonthalign] == :left
+    Plots._update_plot_object(pl)
+    ax_opt = Plots.pgfx_axes(pl.o)[1].options
+    @test ax_opt["title"] == "Test me"
+    @test(haskey(ax_opt.dict, "title style")) isa Test.Pass
+    pl = plot(1:5, plot_title = "Test me", plot_titlefont = (2, :left))
+    @test pl[:plot_title] == "Test me"
+    @test pl[:plot_titlefontsize] == 2
+    @test pl[:plot_titlefonthalign] == :left
+    pl = heatmap(rand(3, 3), colorbar_title = "Test me", colorbar_titlefont = (12, :right))
+    @test pl[1][:colorbar_title] == "Test me"
+    @test pl[1][:colorbar_titlefontsize] == 12
+    @test pl[1][:colorbar_titlefonthalign] == :right
+end # testset

test/test_pipeline.jl

@@ -0,0 +1,19 @@
+using Plots, Test
+using RecipesPipeline
+
+@testset "plot" begin
+    pl = plot(1:5)
+    pl2 = plot(pl, tex_output_standalone = true)
+    @test pl[:tex_output_standalone] == false
+    @test pl2[:tex_output_standalone] == true
+    plot!(pl, tex_output_standalone = true)
+    @test pl[:tex_output_standalone] == true
+end
+
+@testset "get_axis_limits" begin
+    x = [0.1, 5]
+    p1 = plot(x, [5, 0.1], yscale = :log10)
+    p2 = plot!(identity)
+    @test all(RecipesPipeline.get_axis_limits(p1, :x) .== x)
+    @test all(RecipesPipeline.get_axis_limits(p2, :x) .== x)
+end

test/test_plotly.jl

@@ -0,0 +1,57 @@
+using Plots, Test
+
+@testset "Plotly" begin
+    @testset "Basic" begin
+        @test plotly() == Plots.PlotlyBackend()
+        @test backend() == Plots.PlotlyBackend()
+
+        p = plot(rand(10))
+        @test isa(p, Plots.Plot) == true
+    end
+
+    @testset "Contours" begin
+        x = (-2π):0.1:(2π)
+        y = (-π):0.1:π
+        z = cos.(y) .* sin.(x')
+
+        @testset "Contour numbers" begin
+            @testset "Default" begin
+                @test Plots.plotly_series(contour(x, y, z))[1][:ncontours] ==
+                      Plots._series_defaults[:levels] + 2
+            end
+            @testset "Specified number" begin
+                @test Plots.plotly_series(contour(x, y, z, levels = 10))[1][:ncontours] ==
+                      12
+            end
+        end
+
+        @testset "Contour values" begin
+            @testset "Range" begin
+                levels = -1:0.5:1
+                p = contour(x, y, z, levels = levels)
+                @test p[1][1].plotattributes[:levels] == levels
+                @test Plots.plotly_series(p)[1][:contours][:start] == first(levels)
+                @test Plots.plotly_series(p)[1][:contours][:end] == last(levels)
+                @test Plots.plotly_series(p)[1][:contours][:size] == step(levels)
+            end
+
+            @testset "Set of contours" begin
+                levels = [-1, -0.25, 0, 0.25, 1]
+                levels_range =
+                    range(first(levels), stop = last(levels), length = length(levels))
+                p = contour(x, y, z, levels = levels)
+                @test p[1][1].plotattributes[:levels] == levels
+                series_dict = @test_logs (
+                    :warn,
+                    "setting arbitrary contour levels with Plotly backend " *
+                    "is not supported; use a range to set equally-spaced contours or an " *
+                    "integer to set the approximate number of contours with the keyword " *
+                    "`levels`. Setting levels to -1.0:0.5:1.0",
+                ) Plots.plotly_series(p)
+                @test series_dict[1][:contours][:start] == first(levels_range)
+                @test series_dict[1][:contours][:end] == last(levels_range)
+                @test series_dict[1][:contours][:size] == step(levels_range)
+            end
+        end
+    end
+end

test/test_recipes.jl

@@ -0,0 +1,49 @@
+using Plots, Test
+using OffsetArrays
+
+@testset "lens!" begin
+    pl = plot(1:5)
+    lens!(pl, [1, 2], [1, 2], inset = (1, bbox(0.0, 0.0, 0.2, 0.2)), colorbar = false)
+    @test length(pl.series_list) == 4
+    @test pl[2][:colorbar] == :none
+end # testset
+
+@testset "vline, vspan" begin
+    vl = vline([1], widen = false)
+    @test Plots.xlims(vl) == (1, 2)
+    @test Plots.ylims(vl) == (1, 2)
+    vl = vline([1], xlims = (0, 2), widen = false)
+    @test Plots.xlims(vl) == (0, 2)
+    vl = vline([1], ylims = (-3, 5), widen = false)
+    @test Plots.ylims(vl) == (-3, 5)
+
+    vsp = vspan([1, 3], widen = false)
+    @test Plots.xlims(vsp) == (1, 3)
+    @test Plots.ylims(vsp) == (0, 1) # TODO: might be problematic on log-scales
+    vsp = vspan([1, 3], xlims = (-2, 5), widen = false)
+    @test Plots.xlims(vsp) == (-2, 5)
+    vsp = vspan([1, 3], ylims = (-2, 5), widen = false)
+    @test Plots.ylims(vsp) == (-2, 5)
+end # testset
+
+@testset "offset axes" begin
+    tri = OffsetVector(vcat(1:5, 4:-1:1), 11:19)
+    sticks = plot(tri, seriestype = :sticks)
+    @test length(sticks) == 1
+end
+
+@testset "framestyle axes" begin
+    pl = plot(-1:1, -1:1, -1:1)
+    sp = pl.subplots[1]
+    defaultret = Plots.axis_drawing_info_3d(sp, :x)
+    for letter in [:x, :y, :z]
+        for fr in [:box :semi :origin :zerolines :grid :none]
+            prevha = UInt64(0)
+            push!(sp.attr, :framestyle => fr)
+            ret = Plots.axis_drawing_info_3d(sp, letter)
+            ha = hash(string(ret))
+            @test ha != prevha
+            prevha = ha
+        end
+    end
+end

test/test_shorthands.jl

@@ -0,0 +1,48 @@
+using Plots, Test
+
+@testset "Shorthands" begin
+    @testset "Set Lims" begin
+        p = plot(rand(10))
+
+        xlims!((1, 20))
+        @test xlims(p) == (1, 20)
+
+        ylims!((-1, 1))
+        @test ylims(p) == (-1, 1)
+
+        zlims!((-1, 1))
+        @test zlims(p) == (-1, 1)
+
+        xlims!(-1, 11)
+        @test xlims(p) == (-1, 11)
+
+        ylims!((-10, 10))
+        @test ylims(p) == (-10, 10)
+
+        zlims!((-10, 10))
+        @test zlims(p) == (-10, 10)
+    end
+
+    @testset "Set Ticks" begin
+        p = plot([0, 2, 3, 4, 5, 6, 7, 8, 9, 10])
+
+        xticks = 2:6
+        xticks!(xticks)
+        @test Plots.get_subplot(current(), 1).attr[:xaxis][:ticks] == xticks
+
+        yticks = 0.2:0.1:0.7
+        yticks!(yticks)
+        @test Plots.get_subplot(current(), 1).attr[:yaxis][:ticks] == yticks
+
+        xticks = [5, 6, 7.5]
+        xlabels = ["a", "b", "c"]
+
+        xticks!(xticks, xlabels)
+        @test Plots.get_subplot(current(), 1).attr[:xaxis][:ticks] == (xticks, xlabels)
+
+        yticks = [0.5, 0.6, 0.75]
+        ylabels = ["z", "y", "x"]
+        yticks!(yticks, ylabels)
+        @test Plots.get_subplot(current(), 1).attr[:yaxis][:ticks] == (yticks, ylabels)
+    end
+end