mantao/Plots.jl
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Improved background color handling

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This commit is contained in:
Josef Heinen 2016-02-16 09:18:08 +01:00
parent 51eeed3d50
commit a3d4e05b0e
1 changed files with 19 additions and 4 deletions
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23
src/backends/gr.jl
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@ -81,6 +81,14 @@ function gr_display(plt::Plot{GRPackage}, clear=true, update=true,
end end
GR.selntran(1) GR.selntran(1)
GR.restorestate() GR.restorestate()
c = getColor(d[:background_color])
if 0.21 * c.r + 0.72 * c.g + 0.07 * c.b < 0.5
fg = convert(Int, GR.inqcolorfromrgb(1-c.r, 1-c.g, 1-c.b))
else
fg = 1
end
else
fg = 1
end end
extrema = zeros(2, 4) extrema = zeros(2, 4)
@ -191,8 +199,10 @@ function gr_display(plt::Plot{GRPackage}, clear=true, update=true,
if axes_2d if axes_2d
diag = sqrt((viewport[2] - viewport[1])^2 + (viewport[4] - viewport[3])^2) diag = sqrt((viewport[2] - viewport[1])^2 + (viewport[4] - viewport[3])^2)
GR.setlinewidth(1) GR.setlinewidth(1)
GR.setlinecolorind(fg)
charheight = max(0.018 * diag, 0.01) charheight = max(0.018 * diag, 0.01)
GR.setcharheight(charheight) GR.setcharheight(charheight)
GR.settextcolorind(fg)
ticksize = 0.0075 * diag ticksize = 0.0075 * diag
GR.grid(xtick, ytick, 0, 0, majorx, majory) GR.grid(xtick, ytick, 0, 0, majorx, majory)
if num_axes == 1 if num_axes == 1
@ -209,12 +219,14 @@ function gr_display(plt::Plot{GRPackage}, clear=true, update=true,
if get(d, :title, "") != "" if get(d, :title, "") != ""
GR.savestate() GR.savestate()
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_TOP) GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_TOP)
GR.settextcolorind(fg)
GR.text(0.5 * (viewport[1] + viewport[2]), min(ratio, 1), d[:title]) GR.text(0.5 * (viewport[1] + viewport[2]), min(ratio, 1), d[:title])
GR.restorestate() GR.restorestate()
end end
if get(d, :xlabel, "") != "" if get(d, :xlabel, "") != ""
GR.savestate() GR.savestate()
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_BOTTOM) GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_BOTTOM)
GR.settextcolorind(fg)
GR.text(0.5 * (viewport[1] + viewport[2]), 0, d[:xlabel]) GR.text(0.5 * (viewport[1] + viewport[2]), 0, d[:xlabel])
GR.restorestate() GR.restorestate()
end end
@ -222,6 +234,7 @@ function gr_display(plt::Plot{GRPackage}, clear=true, update=true,
GR.savestate() GR.savestate()
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_TOP) GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_TOP)
GR.setcharup(-1, 0) GR.setcharup(-1, 0)
GR.settextcolorind(fg)
GR.text(0, 0.5 * (viewport[3] + viewport[4]), d[:ylabel]) GR.text(0, 0.5 * (viewport[3] + viewport[4]), d[:ylabel])
GR.restorestate() GR.restorestate()
end end
@ -229,6 +242,7 @@ function gr_display(plt::Plot{GRPackage}, clear=true, update=true,
GR.savestate() GR.savestate()
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_TOP) GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_TOP)
GR.setcharup(1, 0) GR.setcharup(1, 0)
GR.settextcolorind(fg)
GR.text(1, 0.5 * (viewport[3] + viewport[4]), d[:yrightlabel]) GR.text(1, 0.5 * (viewport[3] + viewport[4]), d[:yrightlabel])
GR.restorestate() GR.restorestate()
end end
@ -483,13 +497,13 @@ function gr_display(plt::Plot{GRPackage}, clear=true, update=true,
end end
px = viewport[2] - 0.05 - w px = viewport[2] - 0.05 - w
py = viewport[4] - 0.06 py = viewport[4] - 0.06
dy = 0.03 * sqrt((viewport[2] - viewport[1])^2 + (viewport[4] - viewport[3])^2)
GR.setfillintstyle(GR.INTSTYLE_SOLID) GR.setfillintstyle(GR.INTSTYLE_SOLID)
GR.setfillcolorind(0) GR.setfillcolorind(0)
GR.fillrect(px - 0.08, px + w + 0.02, py + 0.03, py - 0.03 * length(plt.seriesargs)) GR.fillrect(px - 0.08, px + w + 0.02, py + dy, py - dy * length(plt.seriesargs))
GR.setlinetype(1) GR.setlinetype(1)
GR.setlinecolorind(1)
GR.setlinewidth(1) GR.setlinewidth(1)
GR.drawrect(px - 0.08, px + w + 0.02, py + 0.03, py - 0.03 * length(plt.seriesargs)) GR.drawrect(px - 0.08, px + w + 0.02, py + dy, py - dy * length(plt.seriesargs))
haskey(d, :linewidth) && GR.setlinewidth(d[:linewidth]) haskey(d, :linewidth) && GR.setlinewidth(d[:linewidth])
i = 0 i = 0
for p in plt.seriesargs for p in plt.seriesargs
@ -514,8 +528,9 @@ function gr_display(plt::Plot{GRPackage}, clear=true, update=true,
lab = p[:label] lab = p[:label]
end end
GR.settextalign(GR.TEXT_HALIGN_LEFT, GR.TEXT_VALIGN_HALF) GR.settextalign(GR.TEXT_HALIGN_LEFT, GR.TEXT_VALIGN_HALF)
GR.settextcolorind(1)
GR.text(px, py, lab) GR.text(px, py, lab)
py -= 0.03 py -= dy
end end
GR.selntran(1) GR.selntran(1)
GR.restorestate() GR.restorestate()