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Merge pull request #3598 from t-bltg/legend

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Fix Latex sub/super-scripts in legends
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t-bltg 2021-07-04 15:34:44 +02:00 committed by GitHub
commit cdbafd60c8
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1 changed files with 7 additions and 6 deletions
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13
src/backends/gr.jl
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@ -1162,25 +1162,25 @@ function gr_legend_pos(theta::Real, leg, viewport_plotarea; axisclearance=nothin
end end
function gr_get_legend_geometry(viewport_plotarea, sp) function gr_get_legend_geometry(viewport_plotarea, sp)
legendn = 0 legendn = legendw = dy = 0
legendw = 0
if sp[:legend] != :none if sp[:legend] != :none
GR.savestate() GR.savestate()
GR.selntran(0) GR.selntran(0)
GR.setscale(0) GR.setscale(0)
if sp[:legendtitle] !== nothing if sp[:legendtitle] !== nothing
gr_set_font(legendtitlefont(sp), sp) gr_set_font(legendtitlefont(sp), sp)
legendn += 1
tbx, tby = gr_inqtext(0, 0, string(sp[:legendtitle])) tbx, tby = gr_inqtext(0, 0, string(sp[:legendtitle]))
legendw = tbx[3] - tbx[1] legendw = tbx[3] - tbx[1]
legendn += 1 dy = tby[3] - tby[1]
end end
gr_set_font(legendfont(sp), sp) gr_set_font(legendfont(sp), sp)
for series in series_list(sp) for series in series_list(sp)
should_add_to_legend(series) || continue should_add_to_legend(series) || continue
legendn += 1 legendn += 1
lab = series[:label] tbx, tby = gr_inqtext(0, 0, string(series[:label]))
tbx, tby = gr_inqtext(0, 0, string(lab))
legendw = max(legendw, tbx[3] - tbx[1]) # Holds text width right now legendw = max(legendw, tbx[3] - tbx[1]) # Holds text width right now
dy = max(dy, tby[3] - tby[1])
end end
GR.setscale(1) GR.setscale(1)
@ -1197,7 +1197,8 @@ function gr_get_legend_geometry(viewport_plotarea, sp)
x_legend_offset = (viewport_plotarea[2] - viewport_plotarea[1]) / 30 x_legend_offset = (viewport_plotarea[2] - viewport_plotarea[1]) / 30
y_legend_offset = (viewport_plotarea[4] - viewport_plotarea[3]) / 30 y_legend_offset = (viewport_plotarea[4] - viewport_plotarea[3]) / 30
dy = gr_point_mult(sp) * sp[:legendfontsize] * 1.75 dy *= get(sp[:extra_kwargs], :legend_hfactor, 1)
legendh = dy * legendn legendh = dy * legendn
return ( return (