544 lines
19 KiB
Julia
544 lines
19 KiB
Julia
const _pgfplotsx_linestyles = KW(
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:solid => "solid",
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:dash => "dashed",
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:dot => "dotted",
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:dashdot => "dashdotted",
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:dashdotdot => "dashdotdotted",
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)
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const _pgfplotsx_markers = KW(
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:none => "none",
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:cross => "+",
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:xcross => "x",
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:+ => "+",
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:x => "x",
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:utriangle => "triangle*",
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:dtriangle => "triangle*",
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:circle => "*",
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:rect => "square*",
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:star5 => "star",
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:star6 => "asterisk",
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:diamond => "diamond*",
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:pentagon => "pentagon*",
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:hline => "-",
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:vline => "|"
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)
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const _pgfplotsx_legend_pos = KW(
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:bottomleft => "south west",
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:bottomright => "south east",
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:topright => "north east",
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:topleft => "north west",
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:outertopright => "outer north east",
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)
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const _pgfx_series_extrastyle = KW(
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:steppre => "const plot mark right",
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:stepmid => "const plot mark mid",
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:steppost => "const plot",
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:sticks => "ycomb",
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:ysticks => "ycomb",
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:xsticks => "xcomb",
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)
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const _pgfx_framestyles = [:box, :axes, :origin, :zerolines, :grid, :none]
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const _pgfx_framestyle_defaults = Dict(:semi => :box)
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# we use the anchors to define orientations for example to align left
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# one needs to use the right edge as anchor
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const _pgfx_annotation_halign = KW(
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:center => "",
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:left => "right",
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:right => "left"
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)
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## --------------------------------------------------------------------------------------
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function pgfx_framestyle(style::Symbol)
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if style in _pgfx_framestyles
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return style
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else
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default_style = get(_pgfx_framestyle_defaults, style, :axes)
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@warn("Framestyle :$style is not (yet) supported by the PGFPlots backend. :$default_style was cosen instead.")
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default_style
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end
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end
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pgfx_thickness_scaling(plt::Plot) = plt[:thickness_scaling]
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pgfx_thickness_scaling(sp::Subplot) = pgfx_thickness_scaling(sp.plt)
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pgfx_thickness_scaling(series) = pgfx_thickness_scaling(series[:subplot])
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function pgfx_fillstyle(plotattributes, i = 1)
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cstr = get_fillcolor(plotattributes, i)
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a = alpha(cstr)
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fa = get_fillalpha(plotattributes, i)
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if fa !== nothing
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a = fa
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end
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PGFPlotsX.Options("fill" => cstr, "fill opacity" => a)
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end
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function pgfx_linestyle(linewidth::Real, color, α = 1, linestyle = "solid")
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cstr = plot_color(color, α)
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a = alpha(cstr)
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return PGFPlotsX.Options(
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"color" => cstr,
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"draw opacity" => a,
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"line width" => linewidth,
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get(_pgfplotsx_linestyles, linestyle, "solid") => nothing
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)
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end
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function pgfx_linestyle(plotattributes, i = 1)
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lw = pgfx_thickness_scaling(plotattributes) * get_linewidth(plotattributes, i)
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lc = get_linecolor(plotattributes, i)
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la = get_linealpha(plotattributes, i)
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ls = get_linestyle(plotattributes, i)
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return pgfx_linestyle(lw, lc, la, ls)
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end
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function pgfx_font(fontsize, thickness_scaling = 1, font = "\\selectfont")
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fs = fontsize * thickness_scaling
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return string("{\\fontsize{", fs, " pt}{", 1.3fs, " pt}", font, "}")
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end
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function pgfx_marker(plotattributes, i = 1)
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shape = _cycle(plotattributes[:markershape], i)
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cstr = plot_color(get_markercolor(plotattributes, i), get_markeralpha(plotattributes, i))
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a = alpha(cstr)
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cstr_stroke = plot_color(get_markerstrokecolor(plotattributes, i), get_markerstrokealpha(plotattributes, i))
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a_stroke = alpha(cstr_stroke)
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return PGFPlotsX.Options(
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"mark" => get(_pgfplotsx_markers, shape, "*"),
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"mark size" => pgfx_thickness_scaling(plotattributes) * 0.5 * _cycle(plotattributes[:markersize], i),
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"mark options" => PGFPlotsX.Options(
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"color" => cstr_stroke,
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"draw opacity" => a_stroke,
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"fill" => cstr,
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"fill opacity" => a,
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"line width" => pgfx_thickness_scaling(plotattributes) * _cycle(plotattributes[:markerstrokewidth], i),
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"rotate" => (shape == :dtriangle ? 180 : 0),
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get(_pgfplotsx_linestyles, _cycle(plotattributes[:markerstrokestyle], i), "solid") => nothing
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)
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)
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end
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function pgfx_add_annotation!(o, x, y, val, thickness_scaling = 1)
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# Construct the style string.
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# Currently supports color and orientation
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cstr = val.font.color
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a = alpha(cstr)
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push!(o, ["\\node",
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PGFPlotsX.Options(
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get(_pgfx_annotation_halign,val.font.halign,"") => nothing,
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"color" => cstr,
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"draw opacity" => convert(Float16, a),
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"rotate" => val.font.rotation,
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"font" => pgfx_font(val.font.pointsize, thickness_scaling)
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),
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" at ",
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PGFPlotsX.Coordinate(x, y),
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"{$(val.str).};"
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])
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end
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## --------------------------------------------------------------------------------------
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# TODO: translate these if needed
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function pgf_series(sp::Subplot, series::Series)
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plotattributes = series.plotattributes
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st = plotattributes[:seriestype]
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series_collection = PGFPlotsX.Plot[]
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# function args
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args = if st == :contour
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plotattributes[:z].surf, plotattributes[:x], plotattributes[:y]
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elseif is3d(st)
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plotattributes[:x], plotattributes[:y], plotattributes[:z]
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elseif st == :straightline
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straightline_data(series)
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elseif st == :shape
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shape_data(series)
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elseif ispolar(sp)
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theta, r = plotattributes[:x], plotattributes[:y]
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rad2deg.(theta), r
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else
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plotattributes[:x], plotattributes[:y]
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end
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# PGFPlots can't handle non-Vector?
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# args = map(a -> if typeof(a) <: AbstractVector && typeof(a) != Vector
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# collect(a)
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# else
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# a
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# end, args)
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if st in (:contour, :histogram2d)
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style = []
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kw = KW()
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push!(style, pgf_linestyle(plotattributes))
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push!(style, pgf_marker(plotattributes))
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push!(style, "forget plot")
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kw[:style] = join(style, ',')
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func = if st == :histogram2d
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PGFPlots.Histogram2
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else
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kw[:labels] = series[:contour_labels]
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kw[:levels] = series[:levels]
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PGFPlots.Contour
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end
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push!(series_collection, func(args...; kw...))
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else
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# series segments
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segments = iter_segments(series)
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for (i, rng) in enumerate(segments)
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style = []
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kw = KW()
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push!(style, pgf_linestyle(plotattributes, i))
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push!(style, pgf_marker(plotattributes, i))
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if st == :shape
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push!(style, pgf_fillstyle(plotattributes, i))
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end
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# add to legend?
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if i == 1 && sp[:legend] != :none && should_add_to_legend(series)
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if plotattributes[:fillrange] !== nothing
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push!(style, "forget plot")
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push!(series_collection, pgf_fill_legend_hack(plotattributes, args))
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else
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kw[:legendentry] = plotattributes[:label]
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if st == :shape # || plotattributes[:fillrange] !== nothing
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push!(style, "area legend")
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end
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end
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else
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push!(style, "forget plot")
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end
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seg_args = (arg[rng] for arg in args)
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# include additional style, then add to the kw
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if haskey(_pgf_series_extrastyle, st)
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push!(style, _pgf_series_extrastyle[st])
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end
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kw[:style] = join(style, ',')
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# add fillrange
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if series[:fillrange] !== nothing && st != :shape
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push!(series_collection, pgf_fillrange_series(series, i, _cycle(series[:fillrange], rng), seg_args...))
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end
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# build/return the series object
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func = if st == :path3d
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PGFPlots.Linear3
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elseif st == :scatter
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PGFPlots.Scatter
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else
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PGFPlots.Linear
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end
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push!(series_collection, func(seg_args...; kw...))
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end
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end
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series_collection
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end
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function pgfx_fillrange_series(series, i, fillrange, args...)
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st = series[:seriestype]
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opt = PGFPlotsX.Options()
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push!(opt, "line width" => 0)
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push!(opt, "draw opacity" => 0)
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push!(opt, pgfx_fillopt(series, i))
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push!(opt, pgfx_marker(series, i))
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push!(opt, "forget plot" => nothing)
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if haskey(_pgfx_series_extraopt, st)
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push!(opt, _pgfx_series_extrastyle[st] => nothing)
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end
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func = is3d(series) ? PGFPlotsX.Plot3 : PGFPlotsX.Plot
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return func(opt, pgfx_fillrange_args(fillrange, args...)...)
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end
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function pgfx_fillrange_args(fillrange, x, y)
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n = length(x)
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x_fill = [x; x[n:-1:1]; x[1]]
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y_fill = [y; _cycle(fillrange, n:-1:1); y[1]]
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return x_fill, y_fill
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end
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function pgfx_fillrange_args(fillrange, x, y, z)
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n = length(x)
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x_fill = [x; x[n:-1:1]; x[1]]
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y_fill = [y; y[n:-1:1]; x[1]]
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z_fill = [z; _cycle(fillrange, n:-1:1); z[1]]
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return x_fill, y_fill, z_fill
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end
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function pgf_fill_legend_hack(plotattributes, args)
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style = []
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kw = KW()
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push!(style, pgf_linestyle(plotattributes, 1))
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push!(style, pgf_marker(plotattributes, 1))
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push!(style, pgf_fillstyle(plotattributes, 1))
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push!(style, "area legend")
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kw[:legendentry] = plotattributes[:label]
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kw[:style] = join(style, ',')
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st = plotattributes[:seriestype]
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func = if st == :path3d
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PGFPlots.Linear3
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elseif st == :scatter
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PGFPlots.Scatter
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else
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PGFPlots.Linear
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end
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return func(([arg[1]] for arg in args)...; kw...)
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end
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# --------------------------------------------------------------------------------------
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function pgfx_axis!(opt::PGFPlotsX.Options, sp::Subplot, letter)
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axis = sp[Symbol(letter,:axis)]
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# turn off scaled ticks
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push!(opt, "scaled $(letter) ticks" => "false",
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string(letter,:label) => axis[:guide],
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)
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# set to supported framestyle
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framestyle = pgfx_framestyle(sp[:framestyle])
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# axis label position
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labelpos = ""
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if letter == :x && axis[:guide_position] == :top
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labelpos = "at={(0.5,1)},above,"
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elseif letter == :y && axis[:guide_position] == :right
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labelpos = "at={(1,0.5)},below,"
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end
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# Add label font
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cstr = plot_color(axis[:guidefontcolor])
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α = alpha(cstr)
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push!(opt, string(letter, "label style") => PGFPlotsX.Options(
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labelpos => nothing,
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"font" => pgfx_font(axis[:guidefontsize], pgfx_thickness_scaling(sp)),
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"color" => cstr,
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"draw opacity" => α,
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"rotate" => axis[:guidefontrotation],
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)
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)
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# flip/reverse?
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axis[:flip] && push!(opt, "$letter dir" => "reverse")
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# scale
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scale = axis[:scale]
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if scale in (:log2, :ln, :log10)
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push!(opt, string(letter,:mode) => "log")
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scale == :ln || push!(opt, "log basis $letter" => "$(scale == :log2 ? 2 : 10)")
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end
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# ticks on or off
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if axis[:ticks] in (nothing, false, :none) || framestyle == :none
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push!(opt, "$(letter)majorticks" => "false")
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end
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# grid on or off
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if axis[:grid] && framestyle != :none
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push!(opt, "$(letter)majorgrids" => "true")
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else
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push!(opt, "$(letter)majorgrids" => "false")
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end
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# limits
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# TODO: support zlims
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if letter != :z
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lims = ispolar(sp) && letter == :x ? rad2deg.(axis_limits(sp, :x)) : axis_limits(sp, letter)
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push!( opt,
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string(letter,:min) => lims[1],
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string(letter,:max) => lims[2]
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)
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end
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if !(axis[:ticks] in (nothing, false, :none, :native)) && framestyle != :none
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ticks = get_ticks(sp, axis)
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#pgf plot ignores ticks with angle below 90 when xmin = 90 so shift values
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tick_values = ispolar(sp) && letter == :x ? [rad2deg.(ticks[1])[3:end]..., 360, 405] : ticks[1]
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push!(opt, string(letter, "tick") => string("{", join(tick_values,","), "}"))
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if axis[:showaxis] && axis[:scale] in (:ln, :log2, :log10) && axis[:ticks] == :auto
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# wrap the power part of label with }
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tick_labels = Vector{String}(undef, length(ticks[2]))
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for (i, label) in enumerate(ticks[2])
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base, power = split(label, "^")
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power = string("{", power, "}")
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tick_labels[i] = string(base, "^", power)
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end
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push!(opt, string(letter, "ticklabels") => string("{\$", join(tick_labels,"\$,\$"), "\$}"))
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elseif axis[:showaxis]
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tick_labels = ispolar(sp) && letter == :x ? [ticks[2][3:end]..., "0", "45"] : ticks[2]
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if axis[:formatter] in (:scientific, :auto)
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tick_labels = string.("\$", convert_sci_unicode.(tick_labels), "\$")
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tick_labels = replace.(tick_labels, Ref("×" => "\\times"))
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end
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push!(opt, string(letter, "ticklabels") => string("{", join(tick_labels,","), "}"))
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else
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push!(opt, string(letter, "ticklabels") => "{}")
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end
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push!(opt, string(letter, "tick align") => (axis[:tick_direction] == :out ? "outside" : "inside"))
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cstr = plot_color(axis[:tickfontcolor])
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α = alpha(cstr)
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push!(opt, string(letter, "ticklabel style") => PGFPlotsX.Options(
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"font" => pgfx_font(axis[:tickfontsize], pgfx_thickness_scaling(sp)),
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"color" => cstr,
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"draw opacity" => α,
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"rotate" => axis[:tickfontrotation]
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)
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)
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push!(opt, string(letter, " grid style") => pgfx_linestyle(pgfx_thickness_scaling(sp) * axis[:gridlinewidth], axis[:foreground_color_grid], axis[:gridalpha], axis[:gridstyle])
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)
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end
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# framestyle
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if framestyle in (:axes, :origin)
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axispos = framestyle == :axes ? "left" : "middle"
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if axis[:draw_arrow]
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push!(opt, string("axis ", letter, " line") => axispos)
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else
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# the * after line disables the arrow at the axis
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push!(opt, string("axis ", letter, " line*") => axispos)
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end
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end
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if framestyle == :zerolines
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push!(opt, string("extra ", letter, " ticks") => "0")
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push!(opt, string("extra ", letter, " tick labels") => "")
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push!(opt, string("extra ", letter, " tick style") => PGFPlotsX.Options(
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"grid" => "major",
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"major grid style" => pgfx_linestyle(pgfx_thickness_scaling(sp), axis[:foreground_color_border], 1.0)
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)
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)
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end
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if !axis[:showaxis]
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push!(opt, "separate axis lines")
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end
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if !axis[:showaxis] || framestyle in (:zerolines, :grid, :none)
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push!(opt, string(letter, " axis line style") => "{draw opacity = 0}")
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else
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push!(opt, string(letter, " axis line style") => pgfx_linestyle(pgfx_thickness_scaling(sp), axis[:foreground_color_border], 1.0)
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)
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end
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end
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# --------------------------------------------------------------------------------------
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# display calls this and then _display, its called 3 times for plot(1:5)
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let n_calls = 0
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function _series_updated(plt::Plot{PGFPlotsXBackend}, series::Series)
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n_calls = 0
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end
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function _update_plot_object(plt::Plot{PGFPlotsXBackend})
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if n_calls === 0
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plt.o = PGFPlotsX.GroupPlot()
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for sp in plt.subplots
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bb = bbox(sp)
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legpos = sp[:legend]
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if haskey(_pgfplotsx_legend_pos, legpos)
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legpos = _pgfplotsx_legend_pos[legpos]
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end
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cstr = plot_color(sp[:background_color_legend])
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a = alpha(cstr)
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axis_opt = PGFPlotsX.Options(
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"height" => string(height(bb)),
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"width" => string(width(bb)),
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"title" => sp[:title],
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"legend style" => PGFPlotsX.Options(
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pgfx_linestyle(pgfx_thickness_scaling(sp), sp[:foreground_color_legend], 1.0, "solid") => nothing,
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"fill" => cstr,
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"font" => pgfx_font(sp[:legendfontsize], pgfx_thickness_scaling(sp))
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)
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)
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for letter in (:x, :y, :z)
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if letter != :z || is3d(sp)
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pgfx_axis!(axis_opt, sp, letter)
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end
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end
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axis = PGFPlotsX.Axis(
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axis_opt
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)
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for series in series_list(sp)
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opt = series.plotattributes
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st = series[:seriestype]
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series_opt = PGFPlotsX.Options(
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"color" => opt[:linecolor]
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)
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segments = iter_segments(series)
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segment_opt = PGFPlotsX.Options()
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for (i, rng) in enumerate(segments)
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segment_opt = merge( segment_opt, pgfx_linestyle(opt, i) )
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segment_opt = merge( segment_opt, pgfx_marker(opt, i) )
|
||
if st == :shape
|
||
segment_opt = merge( segment_opt, pgfx_fillstyle(opt, i) )
|
||
end
|
||
# TODO: is this necessary?
|
||
# seg_args = (arg[rng] for arg in args)
|
||
# TODO: translate this
|
||
# # add fillrange
|
||
# if series[:fillrange] !== nothing && st != :shape
|
||
# push!(series_collection, pgf_fillrange_series(series, i, _cycle(series[:fillrange], rng), seg_args...))
|
||
# end
|
||
end
|
||
#include additional style
|
||
if haskey(_pgfx_series_extrastyle, st)
|
||
push!(series_opt, _pgfx_series_extrastyle[st] => nothing)
|
||
end
|
||
# TODO: different seriestypes, histogramms, contours, etc.
|
||
# TODO: colorbars
|
||
# TODO: gradients
|
||
if is3d(series)
|
||
series_func = opt -> PGFPlotsX.Plot3(opt,
|
||
PGFPlotsX.Coordinates(series[:x],series[:y],series[:z])
|
||
)
|
||
else
|
||
series_func = opt -> PGFPlotsX.Plot(opt,
|
||
PGFPlotsX.Coordinates(series[:x],series[:y])
|
||
)
|
||
end
|
||
series_plot = series_func(
|
||
merge(series_opt, segment_opt),
|
||
)
|
||
# add series annotations
|
||
anns = series[:series_annotations]
|
||
for (xi,yi,str,fnt) in EachAnn(anns, series[:x], series[:y])
|
||
pgfx_add_annotation!(series_plot, xi, yi, PlotText(str, fnt), pgfx_thickness_scaling(series))
|
||
end
|
||
push!( axis, series_plot )
|
||
if opt[:label] != "" && sp[:legend] != :none && should_add_to_legend(series)
|
||
push!( axis, PGFPlotsX.LegendEntry( opt[:label] )
|
||
)
|
||
end
|
||
end
|
||
push!( plt.o, axis )
|
||
end
|
||
end
|
||
n_calls += 1
|
||
end
|
||
|
||
function _show(io::IO, mime::MIME"image/svg+xml", plt::Plot{PGFPlotsXBackend})
|
||
show(io, mime, plt.o)
|
||
end
|
||
|
||
function _show(io::IO, mime::MIME"application/pdf", plt::Plot{PGFPlotsXBackend})
|
||
show(io, mime, plt.o)
|
||
end
|
||
|
||
function _show(io::IO, mime::MIME"image/png", plt::Plot{PGFPlotsXBackend})
|
||
show(io, mime, plt.o)
|
||
end
|
||
|
||
function _show(io::IO, mime::MIME"application/x-tex", plt::Plot{PGFPlotsXBackend})
|
||
PGFPlotsX.print_tex(plt.o)
|
||
end
|
||
|
||
function _display(plt::Plot{PGFPlotsXBackend})
|
||
# fn = string(tempname(),".svg")
|
||
# PGFPlotsX.pgfsave(fn, plt.o)
|
||
# open_browser_window(fn)
|
||
plt.o
|
||
end
|