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Add ability to place legend label next to final datapoint in GR via legend=:label

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wfrgra 2020-03-30 20:02:06 +11:00
parent a1116f8e3b
commit ae009cd53f
2 changed files with 12 additions and 2 deletions
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2
src/args.jl
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@ -1252,7 +1252,7 @@ function convertLegendValue(val::Symbol)
:best :best
elseif val in (:no, :none) elseif val in (:no, :none)
:none :none
elseif val in (:right, :left, :top, :bottom, :inside, :best, :legend, :topright, :topleft, :bottomleft, :bottomright, :outertopright, :outertopleft, :outertop, :outerright, :outerleft, :outerbottomright, :outerbottomleft, :outerbottom) elseif val in (:right, :left, :top, :bottom, :inside, :best, :legend, :topright, :topleft, :bottomleft, :bottomright, :outertopright, :outertopleft, :outertop, :outerright, :outerleft, :outerbottomright, :outerbottomleft, :outerbottom, :label)
val val
else else
error("Invalid symbol for legend: $val") error("Invalid symbol for legend: $val")

12
src/backends/gr.jl
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@ -1043,6 +1043,9 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
viewport_plotarea[3] += legendh + 0.04 viewport_plotarea[3] += legendh + 0.04
end end
end end
if sp[:legend] == :label
viewport_plotarea[2] -= legendw
end
# fill in the plot area background # fill in the plot area background
bg = plot_color(sp[:background_color_inside]) bg = plot_color(sp[:background_color_inside])
@ -1798,6 +1801,13 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
gr_text(GR.wctondc(xi, yi)..., str) gr_text(GR.wctondc(xi, yi)..., str)
end end
if sp[:legend] == :label && should_add_to_legend(series)
gr_set_font(legendfont(sp))
GR.settextalign(GR.TEXT_HALIGN_LEFT, GR.TEXT_VALIGN_HALF)
gr_set_textcolor(plot_color(sp[:legendfontcolor]))
(x_l,y_l) = GR.wctondc(x[end],y[end])
gr_text(x_l+.01,y_l,series[:label])
end
GR.restorestate() GR.restorestate()
end end
@ -1805,7 +1815,7 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
hascolorbar(sp) && gr_draw_colorbar(cbar, sp, get_clims(sp)) hascolorbar(sp) && gr_draw_colorbar(cbar, sp, get_clims(sp))
# add the legend # add the legend
if sp[:legend] != :none if !(sp[:legend] in(:none, :label))
GR.savestate() GR.savestate()
GR.selntran(0) GR.selntran(0)
GR.setscale(0) GR.setscale(0)