349 lines
12 KiB
Julia
349 lines
12 KiB
Julia
# https://github.com/JuliaPlots/UnicodePlots.jl
|
|
|
|
should_warn_on_unsupported(::UnicodePlotsBackend) = false
|
|
|
|
# ------------------------------------------------------------------------------------------
|
|
const _canvas_map = (
|
|
braille = UnicodePlots.BrailleCanvas,
|
|
density = UnicodePlots.DensityCanvas,
|
|
heatmap = UnicodePlots.HeatmapCanvas,
|
|
lookup = UnicodePlots.LookupCanvas,
|
|
ascii = UnicodePlots.AsciiCanvas,
|
|
block = UnicodePlots.BlockCanvas,
|
|
dot = UnicodePlots.DotCanvas,
|
|
)
|
|
|
|
# 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[]
|
|
|
|
has_layout = prod(size(plt.layout)) > 1
|
|
for sp in plt.subplots
|
|
xaxis = sp[:xaxis]
|
|
yaxis = sp[:yaxis]
|
|
xlim = collect(axis_limits(sp, :x))
|
|
ylim = collect(axis_limits(sp, :y))
|
|
zlim = collect(axis_limits(sp, :z))
|
|
F = float(eltype(xlim))
|
|
|
|
# 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 should be hidden by consecutive plotting commands.
|
|
x = Vector{F}(xlim)
|
|
y = Vector{F}(ylim)
|
|
z = Vector{F}(zlim)
|
|
|
|
# create a plot window with xlim/ylim set,
|
|
# but the X/Y vectors are outside the bounds
|
|
canvas = if (up_c = get(sp[:extra_kwargs], :canvas, :auto)) === :auto
|
|
isijulia() ? :ascii : :braille
|
|
else
|
|
up_c
|
|
end
|
|
|
|
border = if (up_b = get(sp[:extra_kwargs], :border, :auto)) === :auto
|
|
isijulia() ? :ascii : :solid
|
|
else
|
|
up_b
|
|
end
|
|
|
|
# blank plots will not be shown
|
|
width = has_layout && isempty(series_list(sp)) ? 0 : UnicodePlots.DEFAULT_WIDTH[]
|
|
height = UnicodePlots.DEFAULT_HEIGHT[]
|
|
|
|
plot_3d = is3d(sp)
|
|
blend = get(sp[:extra_kwargs], :blend, true)
|
|
grid = xaxis[:grid] && yaxis[:grid]
|
|
quiver = contour = false
|
|
for series in series_list(sp)
|
|
st = series[:seriestype]
|
|
blend &= get(series[:extra_kwargs], :blend, true)
|
|
quiver |= series[:arrow] isa Arrow # post-pipeline detection (:quiver -> :path)
|
|
contour |= st === :contour
|
|
if st === :histogram2d
|
|
xlim = ylim = (0, 0)
|
|
elseif st === :spy || st === :heatmap
|
|
width = height = 0
|
|
grid = false
|
|
end
|
|
end
|
|
grid &= !(quiver || contour)
|
|
blend &= !(quiver || contour)
|
|
|
|
plot_3d && (xlim = ylim = (0, 0)) # determined using projection
|
|
azimuth, elevation = sp[:camera] # PyPlot: azimuth = -60 & elevation = 30
|
|
projection = plot_3d ? get(sp[:extra_kwargs], :projection, :orthographic) : nothing
|
|
|
|
kw = (
|
|
compact = true,
|
|
title = texmath2unicode(sp[:title]),
|
|
xlabel = texmath2unicode(xaxis[:guide]),
|
|
ylabel = texmath2unicode(yaxis[:guide]),
|
|
grid = grid,
|
|
blend = blend,
|
|
height = height,
|
|
width = width,
|
|
xscale = xaxis[:scale],
|
|
yscale = yaxis[:scale],
|
|
border = border,
|
|
xlim = xlim,
|
|
ylim = ylim,
|
|
# 3d
|
|
projection = projection,
|
|
elevation = elevation,
|
|
azimuth = azimuth,
|
|
up = get(sp[:extra_kwargs], :up, :z),
|
|
)
|
|
|
|
o = UnicodePlots.Plot(x, y, plot_3d ? z : nothing, _canvas_map[canvas]; kw...)
|
|
for series in series_list(sp)
|
|
o = addUnicodeSeries!(
|
|
sp,
|
|
o,
|
|
kw,
|
|
series,
|
|
sp[:legend_position] !== :none,
|
|
plot_3d,
|
|
)
|
|
end
|
|
|
|
for ann in sp[:annotations]
|
|
x, y, val = locate_annotation(sp, ann...)
|
|
o = UnicodePlots.annotate!(
|
|
o,
|
|
x,
|
|
y,
|
|
texmath2unicode(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
|
|
|
|
function up_cmap(series)
|
|
rng = range(0, 1, length = length(UnicodePlots.COLOR_MAP_DATA[:viridis]))
|
|
[(red(c), green(c), blue(c)) for c in get(get_colorgradient(series), rng)]
|
|
end
|
|
|
|
# add a single series
|
|
function addUnicodeSeries!(
|
|
sp::Subplot{UnicodePlotsBackend},
|
|
up::UnicodePlots.Plot,
|
|
kw,
|
|
series,
|
|
addlegend::Bool,
|
|
plot_3d::Bool,
|
|
)
|
|
st = series[:seriestype]
|
|
|
|
# get the series data and label
|
|
x, y = if st === :straightline
|
|
straightline_data(series)
|
|
elseif st === :shape
|
|
shape_data(series)
|
|
else
|
|
series[:x], series[:y]
|
|
end
|
|
|
|
# special handling (src/interface)
|
|
fix_ar = get(series[:extra_kwargs], :fix_ar, true)
|
|
if st === :histogram2d
|
|
return UnicodePlots.densityplot(x, y; kw...)
|
|
elseif st === :spy
|
|
return UnicodePlots.spy(Array(series[:z]); fix_ar = fix_ar, kw...)
|
|
elseif st in (:contour, :heatmap) # 2D
|
|
colormap = get(series[:extra_kwargs], :colormap, :none)
|
|
kw = (
|
|
kw...,
|
|
zlabel = sp[:colorbar_title],
|
|
colormap = colormap === :none ? up_cmap(series) : colormap,
|
|
colorbar = hascolorbar(sp),
|
|
)
|
|
if st === :contour
|
|
isfilledcontour(series) &&
|
|
@warn "Plots(UnicodePlots): filled contour is not implemented"
|
|
return UnicodePlots.contourplot(
|
|
x,
|
|
y,
|
|
Array(series[:z]);
|
|
kw...,
|
|
levels = series[:levels],
|
|
)
|
|
elseif st === :heatmap
|
|
return UnicodePlots.heatmap(Array(series[:z]); fix_ar = fix_ar, kw...)
|
|
end
|
|
elseif st in (:surface, :wireframe) # 3D
|
|
colormap = get(series[:extra_kwargs], :colormap, :none)
|
|
lines = get(series[:extra_kwargs], :lines, st === :wireframe)
|
|
zscale = get(series[:extra_kwargs], :zscale, :identity)
|
|
kw = (
|
|
kw...,
|
|
zlabel = sp[:colorbar_title],
|
|
colormap = colormap === :none ? up_cmap(series) : colormap,
|
|
colorbar = hascolorbar(sp),
|
|
color = st === :wireframe ? up_color(get_linecolor(series, 1)) : nothing,
|
|
zscale = zscale,
|
|
lines = lines,
|
|
)
|
|
return UnicodePlots.surfaceplot(x, y, Array(series[:z]); kw...)
|
|
elseif st === :mesh3d
|
|
return UnicodePlots.lineplot!(
|
|
up,
|
|
mesh3d_triangles(x, y, series[:z], series[:connections])...,
|
|
)
|
|
end
|
|
|
|
# now use the ! functions to add to the plot
|
|
if st in (:path, :path3d, :straightline, :shape, :mesh3d)
|
|
func = UnicodePlots.lineplot!
|
|
series_kw = (; head_tail = series[:arrow] isa Arrow ? series[:arrow].side : nothing)
|
|
elseif st in (:scatter, :scatter3d) || series[:markershape] !== :none
|
|
func = UnicodePlots.scatterplot!
|
|
series_kw = (; marker = series[:markershape])
|
|
else
|
|
error("Plots(UnicodePlots): series type $st not supported")
|
|
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],
|
|
plot_3d ? series[:z][rng] : nothing;
|
|
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
|
|
|
|
up
|
|
end
|
|
|
|
# ------------------------------------------------------------------------------------------
|
|
|
|
# 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")
|
|
|
|
@static if Sys.isapple()
|
|
# 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?)
|
|
run(`screencapture -R50,600,700,420 $fn`)
|
|
return
|
|
elseif Sys.islinux()
|
|
run(`clear`)
|
|
gui(plt)
|
|
run(`import -window $(ENV["WINDOWID"]) $fn`)
|
|
return
|
|
end
|
|
|
|
error(
|
|
"Can only savepng on MacOS or Linux with UnicodePlots " *
|
|
"(though even then I wouldn't do it)",
|
|
)
|
|
end
|
|
|
|
# ------------------------------------------------------------------------------------------
|
|
Base.show(plt::Plot{UnicodePlotsBackend}) = show(stdout, plt)
|
|
Base.show(io::IO, plt::Plot{UnicodePlotsBackend}) = _show(io, MIME("text/plain"), plt)
|
|
|
|
# NOTE: _show(...) must be kept for Base.showable (src/output.jl)
|
|
function _show(io::IO, ::MIME"text/plain", plt::Plot{UnicodePlotsBackend})
|
|
unicodeplots_rebuild(plt)
|
|
nr, nc = size(plt.layout)
|
|
if nr == 1 && nc == 1 # fast path
|
|
n = length(plt.o)
|
|
for (i, p) in enumerate(plt.o)
|
|
show(io, p)
|
|
i < n && println(io)
|
|
end
|
|
else
|
|
re_ansi = r"\e\[[0-9;]*[a-zA-Z]" # m: color, [a-zA-Z]: all escape sequences
|
|
have_color = Base.get_have_color()
|
|
buf = IOContext(PipeBuffer(), :color => have_color)
|
|
lines_colored = Array{Union{Nothing,Vector{String}}}(undef, nr, nc)
|
|
lines_uncolored = have_color ? similar(lines_colored) : lines_colored
|
|
l_max = zeros(Int, nr)
|
|
w_max = zeros(Int, nc)
|
|
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 "Plots(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(buf, sp)
|
|
colored = read(buf, String)
|
|
lines_colored[r, c] = lu = lc = split(colored, '\n')
|
|
if have_color
|
|
uncolored = replace(colored, re_ansi => "")
|
|
lines_uncolored[r, c] = lu = split(uncolored, '\n')
|
|
end
|
|
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
|
|
n < l_max[r] && println(io)
|
|
end
|
|
r < nr && println(io)
|
|
end
|
|
end
|
|
nothing
|
|
end
|
|
|
|
# we only support MIME"text/plain", hence display(...) falls back to plain-text on stdout
|
|
_display(plt::Plot{UnicodePlotsBackend}) = (show(stdout, plt); println(stdout))
|