121 lines
3.8 KiB
Julia
121 lines
3.8 KiB
Julia
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# https://github.com/sisl/PGFPlots.jl
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function _initialize_backend(::PGFPlotsBackend; kw...)
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@eval begin
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import PGFPlots
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export PGFPlots
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# TODO: other initialization that needs to be eval-ed
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end
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# TODO: other initialization
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end
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# ---------------------------------------------------------------------------
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function _create_plot(pkg::PGFPlotsBackend; kw...)
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d = Dict{Symbol,Any}(kw)
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# TODO: create the window/canvas/context that is the plot within the backend (call it `o`)
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# TODO: initialize the plot... title, xlabel, bgcolor, etc
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Plot(nothing, pkg, 0, d, Dict[])
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end
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function _add_series(::PGFPlotsBackend, plt::Plot; kw...)
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d = Dict{Symbol,Any}(kw)
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# TODO: add one series to the underlying package
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push!(plt.seriesargs, d)
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plt
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end
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function _add_annotations{X,Y,V}(plt::Plot{PGFPlotsBackend}, anns::AVec{@compat(Tuple{X,Y,V})})
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# set or add to the annotation_list
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if haskey(plt.plotargs, :annotation_list)
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append!(plt.plotargs[:annotation_list], anns)
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else
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plt.plotargs[:annotation_list] = anns
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end
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end
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# ----------------------------------------------------------------
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function _before_update_plot(plt::Plot{PGFPlotsBackend})
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end
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# TODO: override this to update plot items (title, xlabel, etc) after creation
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function _update_plot(plt::Plot{PGFPlotsBackend}, d::Dict)
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end
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function _update_plot_pos_size(plt::AbstractPlot{PGFPlotsBackend}, d::Dict)
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end
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# ----------------------------------------------------------------
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# accessors for x/y data
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function Base.getindex(plt::Plot{PGFPlotsBackend}, i::Int)
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d = plt.seriesargs[i]
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d[:x], d[:y]
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end
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function Base.setindex!(plt::Plot{PGFPlotsBackend}, xy::Tuple, i::Integer)
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d = plt.seriesargs[i]
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d[:x], d[:y] = xy
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plt
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end
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# ----------------------------------------------------------------
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function _create_subplot(subplt::Subplot{PGFPlotsBackend}, 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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true
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end
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function _expand_limits(lims, plt::Plot{PGFPlotsBackend}, isx::Bool)
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# TODO: call expand limits for each plot data
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end
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function _remove_axis(plt::Plot{PGFPlotsBackend}, isx::Bool)
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# TODO: if plot is inner subplot, might need to remove ticks or axis labels
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end
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# ----------------------------------------------------------------
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# ----------------------------------------------------------------
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################# This is the important method to implement!!! #################
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function _make_pgf_plot(plt::Plot{PGFPlotsBackend})
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line_type = plt.seriesargs[1][:linetype]
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if line_type == :path
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plt.o = PGFPlots.Linear(plt.seriesargs[1][:x], plt.seriesargs[1][:y])
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elseif line_type == :scatter
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plt.o = PGFPlots.Scatter(plt.seriesargs[1][:x], plt.seriesargs[1][:y])
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elseif line_type == :steppost
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plt.o = PGFPlots.Linear(plt.seriesargs[1][:x], plt.seriesargs[1][:y], style="const plot")
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elseif line_type == :hist
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plt_hist = hist(plt.seriesargs[1][:y])
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plt.o = PGFPlots.Linear(plt_hist[1][1:end-1], plt_hist[2], style="ybar,fill=green", mark="none")
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elseif line_type == :bar
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plt.o = PGFPlots.Linear(plt.seriesargs[1][:x], plt.seriesargs[1][:y], style="ybar,fill=green", mark="none")
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end
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# TODO: convert plt.plotargs and plt.seriesargs into PGFPlots calls
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# TODO: return the PGFPlots object
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end
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function Base.writemime(io::IO, mime::MIME"image/svg+xml", plt::AbstractPlot{PGFPlotsBackend})
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plt.o = _make_pgf_plot(plt)
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writemime(io, mime, plt.o)
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end
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# function Base.writemime(io::IO, ::MIME"text/html", plt::AbstractPlot{PGFPlotsBackend})
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# end
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function Base.display(::PlotsDisplay, plt::AbstractPlot{PGFPlotsBackend})
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plt.o = _make_pgf_plot(plt)
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display(plt.o)
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end
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# function Base.display(::PlotsDisplay, plt::Subplot{PGFPlotsBackend})
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# # TODO: display/show the subplot
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# end
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