mantao/Plots.jl
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proposed fix for math / multiline mix

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This commit is contained in:
t-bltg 2021-10-18 20:31:28 +02:00
parent 31d3bf3e06
commit d82e20ea7b
1 changed files with 28 additions and 3 deletions
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31
src/backends/gr.jl
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@ -1769,7 +1769,7 @@ function gr_label_axis_3d(sp, letter)
end
function gr_add_title(sp, viewport_plotarea, viewport_subplot)
if sp[:title] != ""
if (ttl = sp[:title]) != ""
GR.savestate()
gr_set_font(titlefont(sp), sp)
loc = sp[:titlelocation]
@ -1783,8 +1783,33 @@ function gr_add_title(sp, viewport_plotarea, viewport_subplot)
xpos = gr_view_xcenter(viewport_plotarea)
halign = GR.TEXT_HALIGN_CENTER
end
GR.settextalign(halign, GR.TEXT_VALIGN_TOP)
gr_text(xpos, viewport_subplot[4], sp[:title])
if ttl isa AbstractVector
if length(ttl) > 0
w, h = gr_text_size(ttl[1])
if halign == GR.TEXT_HALIGN_CENTER
xpos -= .5w
elseif halign == GR.TEXT_HALIGN_RIGHT
xpos -= w
end
GR.settextalign(GR.TEXT_HALIGN_LEFT, GR.TEXT_VALIGN_TOP)
x, y = xpos, viewport_subplot[4]
for t in ttl
length(t) == 0 && continue
for (j, st) in enumerate(split(t, '\n'))
if j > 1
x = xpos
y -= h
end
gr_text(x, y, st)
w, h = gr_text_size(st)
end
x += w
end
end
else
GR.settextalign(halign, GR.TEXT_VALIGN_TOP)
gr_text(xpos, viewport_subplot[4], ttl)
end
GR.restorestate()
end
end