273 lines
7.5 KiB
Julia
273 lines
7.5 KiB
Julia
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# https://github.com/nolta/Winston.jl
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# credit goes to https://github.com/jverzani for contributing to the first draft of this backend implementation
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supported_attrs(::WinstonBackend) = merge_with_base_supported([
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:annotations,
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:linecolor,
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:fillrange,
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:fillcolor,
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:label,
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:legend,
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:seriescolor, :seriesalpha,
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:linestyle,
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:linewidth,
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:markershape,
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:markercolor,
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:markersize,
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:bins,
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:title,
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:window_title,
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:guide, :lims, :scale,
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])
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supported_types(::WinstonBackend) = [:path, :scatter, :bar]
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supported_styles(::WinstonBackend) = [:auto, :solid, :dash, :dot, :dashdot]
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supported_markers(::WinstonBackend) = [:none, :auto, :rect, :circle, :diamond, :utriangle, :dtriangle, :cross, :xcross, :star5]
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supported_scales(::WinstonBackend) = [:identity, :log10]
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is_subplot_supported(::WinstonBackend) = false
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# --------------------------------------------------------------------------------------
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function _initialize_backend(::WinstonBackend; kw...)
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@eval begin
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# ENV["WINSTON_OUTPUT"] = "gtk"
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warn("Winston is no longer supported... many features will likely be broken.")
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import Winston, Gtk
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export Winston, Gtk
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end
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end
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# ---------------------------------------------------------------------------
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## dictionaries for conversion of Plots.jl names to Winston ones.
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const winston_linestyle = KW(:solid=>"solid",
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:dash=>"dash",
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:dot=>"dotted",
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:dashdot=>"dotdashed"
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)
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const winston_marker = KW(:none=>".",
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:rect => "square",
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:circle=>"circle",
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:diamond=>"diamond",
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:utriangle=>"triangle",
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:dtriangle=>"down-triangle",
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:cross => "plus",
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:xcross => "cross",
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:star5 => "asterisk"
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)
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function _before_update(plt::Plot{WinstonBackend})
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Winston.ghf(plt.o)
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end
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# ---------------------------------------------------------------------------
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function _create_backend_figure(plt::Plot{WinstonBackend})
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Winston.FramedPlot(
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title = plt.attr[:title],
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xlabel = plt.attr[:xguide],
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ylabel = plt.attr[:yguide]
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)
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end
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copy_remove(d::KW, s::Symbol) = delete!(copy(d), s)
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function addRegressionLineWinston(d::KW, wplt)
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xs, ys = regressionXY(d[:x], d[:y])
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Winston.add(wplt, Winston.Curve(xs, ys, kind="dotted"))
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end
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function getWinstonItems(plt::Plot)
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if isa(plt.o, Winston.FramedPlot)
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wplt = plt.o
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window, canvas = nothing, nothing
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else
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window, canvas, wplt = plt.o
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end
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window, canvas, wplt
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end
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function _series_added(plt::Plot{WinstonBackend}, series::Series)
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d = series.d
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window, canvas, wplt = getWinstonItems(plt)
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# until we call it normally, do the hack
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if d[:seriestype] == :bar
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d = barHack(;d...)
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end
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e = KW()
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e[:color] = getColor(d[:linecolor])
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e[:linewidth] = d[:linewidth]
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e[:kind] = winston_linestyle[d[:linestyle]]
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e[:symbolkind] = winston_marker[d[:markershape]]
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# markercolor # same choices as `color`, or :match will set the color to be the same as `color`
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e[:symbolsize] = d[:markersize] / 5
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# pos # (Int,Int), move the enclosing window to this position
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# screen # Integer, move enclosing window to this screen number (for multiscreen desktops)
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## lintype :path, :step, :stepinverted, :sticks, :dots, :none, :histogram2d, :hexbin, :histogram, :bar
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if d[:seriestype] == :none
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Winston.add(wplt, Winston.Points(d[:x], d[:y]; copy_remove(e, :kind)..., color=getColor(d[:markercolor])))
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elseif d[:seriestype] == :path
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x, y = d[:x], d[:y]
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Winston.add(wplt, Winston.Curve(x, y; e...))
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fillrange = d[:fillrange]
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if fillrange != nothing
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if isa(fillrange, AbstractVector)
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y2 = fillrange
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else
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y2 = Float64[fillrange for yi in y]
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end
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Winston.add(wplt, Winston.FillBetween(x, y, x, y2, fillcolor=getColor(d[:fillcolor])))
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end
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elseif d[:seriestype] == :scatter
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if d[:markershape] == :none
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d[:markershape] = :circle
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end
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# elseif d[:seriestype] == :step
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# fn = Winston.XXX
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# elseif d[:seriestype] == :stepinverted
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# fn = Winston.XXX
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elseif d[:seriestype] == :sticks
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Winston.add(wplt, Winston.Stems(d[:x], d[:y]; e...))
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# elseif d[:seriestype] == :dots
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# fn = Winston.XXX
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# elseif d[:seriestype] == :histogram2d
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# fn = Winston.XXX
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# elseif d[:seriestype] == :hexbin
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# fn = Winston.XXX
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elseif d[:seriestype] == :histogram
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hst = hist(d[:y], d[:bins])
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Winston.add(wplt, Winston.Histogram(hst...; copy_remove(e, :bins)...))
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# elseif d[:seriestype] == :bar
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# # fn = Winston.XXX
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else
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error("seriestype $(d[:seriestype]) not supported by Winston.")
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end
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# markershape
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if d[:markershape] != :none
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Winston.add(wplt, Winston.Points(d[:x], d[:y]; copy_remove(e, :kind)..., color=getColor(d[:markercolor])))
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end
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# optionally add a regression line
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d[:smooth] && d[:seriestype] != :histogram && addRegressionLineWinston(d, wplt)
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# push!(plt.seriesargs, d)
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# plt
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end
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# ----------------------------------------------------------------
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const _winstonNames = KW(
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:xlims => :xrange,
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:ylims => :yrange,
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:xscale => :xlog,
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:yscale => :ylog,
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)
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function _update_plot_object(plt::Plot{WinstonBackend}, d::KW)
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window, canvas, wplt = getWinstonItems(plt)
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for k in (:xguide, :yguide, :title, :xlims, :ylims)
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if haskey(d, k)
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Winston.setattr(wplt, string(get(_winstonNames, k, k)), d[k])
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end
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end
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for k in (:xscale, :yscale)
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if haskey(d, k)
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islogscale = d[k] == :log10
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Winston.setattr(wplt, (k == :xscale ? :xlog : :ylog), islogscale)
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end
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end
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end
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# ----------------------------------------------------------------
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function createWinstonAnnotationObject(plt::Plot{WinstonBackend}, x, y, val::AbstractString)
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Winston.text(x, y, val)
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end
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function _add_annotations(plt::Plot{WinstonBackend}, anns::AVec{Tuple{X,Y,V}}) where {X,Y,V}
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for ann in anns
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createWinstonAnnotationObject(plt, ann...)
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end
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end
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# ----------------------------------------------------------------
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# function _create_subplot(subplt::Subplot{WinstonBackend}, isbefore::Bool)
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# # TODO: build the underlying Subplot object. this is where you might layout the panes within a GUI window, for example
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# end
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# ----------------------------------------------------------------
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function addWinstonLegend(plt::Plot, wplt)
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if plt.attr[:legend] != :none
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Winston.legend(wplt, [sd[:label] for sd in plt.seriesargs])
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end
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end
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function Base.show(io::IO, ::MIME"image/png", plt::AbstractPlot{WinstonBackend})
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window, canvas, wplt = getWinstonItems(plt)
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addWinstonLegend(plt, wplt)
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show(io, "image/png", wplt)
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end
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function Base.display(::PlotsDisplay, plt::Plot{WinstonBackend})
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window, canvas, wplt = getWinstonItems(plt)
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if window == nothing
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if Winston.output_surface != :gtk
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error("Gtk is the only supported display for Winston in Plots. Set `output_surface = gtk` in src/Winston.ini")
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end
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# initialize window
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w,h = plt.attr[:size]
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canvas = Gtk.GtkCanvasLeaf()
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window = Gtk.GtkWindowLeaf(canvas, plt.attr[:window_title], w, h)
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plt.o = (window, canvas, wplt)
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end
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addWinstonLegend(plt, wplt)
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Winston.display(canvas, wplt)
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Gtk.showall(window)
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end
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# function Base.display(::PlotsDisplay, subplt::Subplot{WinstonBackend})
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# # TODO: display/show the Subplot object
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# end
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