start first time to plot investigation

src/Plots.jl

@@ -220,6 +220,7 @@ end
 
 # ---------------------------------------------------------
 
-const CURRENT_BACKEND = CurrentBackend(:none)
+const CURRENT_BACKEND = Plots.CurrentBackend(:gr)
+gr()
 
 end # module

src/backends.jl

@@ -128,11 +128,23 @@ _update_plot_object(plt::Plot) = nothing
 # ---------------------------------------------------------
 
 
-mutable struct CurrentBackend
+mutable struct CurrentBackend{sym,T}
-  sym::Symbol
+  pkg::T
-  pkg::AbstractBackend
+end
+function CurrentBackend(sym::Symbol)
+    bkend = _backend_instance(sym)
+    CurrentBackend{sym,typeof(bkend)}(bkend)
+end
+
+function Base.getproperty(bkend::CurrentBackend{sym,T},x::Symbol) where {sym,T}
+    if x === :sym
+        return sym
+    elseif x === :pkg
+        return getfield(bkend,:pkg)
+    else
+        error("Must be sym or pkg")
+    end
 end
-CurrentBackend(sym::Symbol) = CurrentBackend(sym, _backend_instance(sym))
 
 # ---------------------------------------------------------
 
@@ -177,8 +189,7 @@ function backend(pkg::AbstractBackend)
         _initialize_backend(pkg)
         push!(_initialized_backends, sym)
     end
-    CURRENT_BACKEND.sym = sym
+    CURRENT_BACKEND = Plots.CurrentBackend(sym)
-    CURRENT_BACKEND.pkg = pkg
     pkg
 end
 

src/output.jl

@@ -140,7 +140,7 @@ end
 
 function Base.display(::PlotsDisplay, plt::Plot)
     prepare_output(plt)
-    _display(plt)
+    #_display(plt)
 end
 
 _do_plot_show(plt, showval::Bool) = showval && gui(plt)

src/pipeline.jl

@@ -203,7 +203,7 @@ end
 # ------------------------------------------------------------------
 # setup plot and subplot
 
-function _plot_setup(plt::Plot, plotattributes::KW, kw_list::Vector{KW})
+function _plot_setup(plt::Plot{T}, plotattributes::KW, kw_list::Vector{KW}) where {T}
     # merge in anything meant for the Plot
     for kw in kw_list, (k,v) in kw
         haskey(_plot_defaults, k) && (plotattributes[k] = pop!(kw, k))
@@ -252,18 +252,17 @@ 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{T}, plotattributes::KW, kw_list::Vector{KW}) where T
     # 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.
     # TODO: allow matrices to still apply to all subplots
-    sp_attrs = Dict{Subplot,Any}()
+    sp_attrs = Dict{Subplot{T},Any}()
     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::Subplot{T} = get_subplot(plt, _cycle(sps == :auto ? plt.subplots : plt.subplots[sps], command_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)

src/plot.jl

@@ -50,7 +50,6 @@ function plot(args...; kw...)
     # this creates a new plot with args/kw and sets it to be the current plot
     plotattributes = KW(kw)
     preprocessArgs!(plotattributes)
-
     # create an empty Plot then process
     plt = Plot()
     # plt.user_attr = plotattributes
@@ -163,7 +162,7 @@ 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)
+function _plot!(plt::Plot{T}, plotattributes::KW, args::Tuple) where {T}
     plotattributes[:plot_object] = plt
 
     if !isempty(args) && !isdefined(Main, :StatsPlots) &&
@@ -202,7 +201,10 @@ function _plot!(plt::Plot, plotattributes::KW, args::Tuple)
     # --------------------------------
     # Plot/Subplot/Layout setup
     # --------------------------------
+
     _plot_setup(plt, plotattributes, kw_list)
+
+    # 6 seconds
     _subplot_setup(plt, plotattributes, kw_list)
 
     # !!! note: At this point, kw_list is fully decomposed into individual series... one KW per series.          !!!
@@ -216,7 +218,7 @@ function _plot!(plt::Plot, plotattributes::KW, args::Tuple)
     # map(DD, kw_list)
 
     for kw in kw_list
-        sp::Subplot = kw[:subplot]
+        sp::Subplot{T} = kw[:subplot]
         # idx = get_subplot_index(plt, sp)
 
         # # we update subplot args in case something like the color palatte is part of the recipe
@@ -233,7 +235,6 @@ function _plot!(plt::Plot, plotattributes::KW, args::Tuple)
         # be able to support step, bar, and histogram plots (and any recipes that use those components).
         _process_seriesrecipe(plt, kw)
     end
-
     # --------------------------------
 
     current(plt)
@@ -243,7 +244,6 @@ function _plot!(plt::Plot, plotattributes::KW, args::Tuple)
     #     gui(plt)
     # end
     _do_plot_show(plt, plt[:show])
-
     plt
 end
 

src/types.jl

@@ -71,17 +71,17 @@ mutable struct Plot{T<:AbstractBackend} <: AbstractPlot{T}
     user_attr::KW                # raw arg inputs (after aliases).  these are used as the input dict in `_plot!`
     series_list::Vector{Series}  # arguments for each series
     o                            # the backend's plot object
-    subplots::Vector{Subplot}
+    subplots::Vector{Subplot{T}}
     spmap::SubplotMap            # provide any label as a map to a subplot
     layout::AbstractLayout
-    inset_subplots::Vector{Subplot}  # list of inset subplots
+    inset_subplots::Vector{Subplot{T}}  # list of inset subplots
     init::Bool
 end
 
-function Plot()
+function Plot(_backend = CURRENT_BACKEND)
-    Plot(backend(), 0, KW(), KW(), Series[], nothing,
+    Plot(_backend.pkg, 0, KW(), KW(), Series[], nothing,
-         Subplot[], SubplotMap(), EmptyLayout(),
+         Subplot{typeof(_backend.pkg)}[], SubplotMap(), EmptyLayout(),
-         Subplot[], false)
+         Subplot{typeof(_backend.pkg)}[], false)
 end
 
 # -----------------------------------------------------------------------