mantao/Plots.jl
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Merge pull request #3377 from mmikhasenko/master

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guide label alignment
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Daniel Schwabeneder 2021-03-28 21:29:04 +02:00 committed by GitHub
commit 0a84ff8caf
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1 changed files with 36 additions and 8 deletions
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44
src/backends/gr.jl
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@ -571,6 +571,26 @@ end
gr_view_xcenter(viewport_plotarea) = 0.5 * (viewport_plotarea[1] + viewport_plotarea[2])
gr_view_ycenter(viewport_plotarea) = 0.5 * (viewport_plotarea[3] + viewport_plotarea[4])
gr_view_xposition(viewport_plotarea, position) = viewport_plotarea[1] + position * (viewport_plotarea[2] - viewport_plotarea[1])
gr_view_yposition(viewport_plotarea, position) = viewport_plotarea[3] + position * (viewport_plotarea[4] - viewport_plotarea[3])
function position(symb)
if symb == :top || symb == :right
return 0.95
elseif symb == :left || symb == :bottom
return 0.05
end
return 0.5
end
function alignment(symb)
if symb == :top || symb == :right
return GR.TEXT_HALIGN_RIGHT
elseif symb == :left || symb == :bottom
return GR.TEXT_HALIGN_LEFT
end
return GR.TEXT_HALIGN_CENTER
end
# --------------------------------------------------------------------------------------
@ -1492,21 +1512,29 @@ function gr_label_axis(sp, letter, viewport_plotarea)
if letter === :y
w = 0.03 + gr_axis_width(sp, axis)
GR.setcharup(-1, 0)
#
yposition = gr_view_yposition(viewport_plotarea, position(axis[:guidefontvalign]))
yalign = alignment(axis[:guidefontvalign])
#
if guide_position == :right || (guide_position == :auto && axis[:mirror])
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_BOTTOM)
gr_text(viewport_plotarea[2] + w, gr_view_ycenter(viewport_plotarea), axis[:guide])
GR.settextalign(yalign, GR.TEXT_VALIGN_BOTTOM)
gr_text(viewport_plotarea[2] + w, yposition, axis[:guide])
else
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_TOP)
gr_text(viewport_plotarea[1] - w, gr_view_ycenter(viewport_plotarea), axis[:guide])
GR.settextalign(yalign, GR.TEXT_VALIGN_TOP)
gr_text(viewport_plotarea[1] - w, yposition, axis[:guide])
end
else
h = 0.015 + gr_axis_height(sp, axis)
#
xposition = gr_view_xposition(viewport_plotarea, position(axis[:guidefonthalign]))
xalign = alignment(axis[:guidefonthalign])
#
if guide_position == :top || (guide_position == :auto && axis[:mirror])
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_TOP)
gr_text(gr_view_xcenter(viewport_plotarea), viewport_plotarea[4] + h, axis[:guide])
GR.settextalign(xalign, GR.TEXT_VALIGN_TOP)
gr_text(xposition, viewport_plotarea[4] + h, axis[:guide])
else
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_BOTTOM)
gr_text(gr_view_xcenter(viewport_plotarea), viewport_plotarea[3] - h, axis[:guide])
GR.settextalign(xalign, GR.TEXT_VALIGN_BOTTOM)
gr_text(xposition, viewport_plotarea[3] - h, axis[:guide])
end
end
GR.restorestate()