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Merge pull request #888 from jheinen/master

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gr: added support for legend title
This commit is contained in:
Josef Heinen 2017-06-04 10:04:15 +02:00 committed by GitHub
commit 21c384fcdd
1 changed files with 12 additions and 1 deletions
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13
src/backends/gr.jl
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@ -20,7 +20,7 @@ const _gr_attr = merge_with_base_supported([
:title, :window_title,
:guide, :lims, :ticks, :scale, :flip,
:tickfont, :guidefont, :legendfont,
:grid, :legend, :colorbar,
:grid, :legend, :legendtitle, :colorbar,
:marker_z, :levels,
:ribbon, :quiver,
:orientation,
@ -980,6 +980,11 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
w = 0
i = 0
n = 0
if sp[:legendtitle] != nothing
tbx, tby = gr_inqtext(0, 0, string(sp[:legendtitle]))
w = tbx[3] - tbx[1]
n += 1
end
for series in series_list(sp)
should_add_to_legend(series) || continue
n += 1
@ -1003,6 +1008,12 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
GR.setlinewidth(1)
GR.drawrect(xpos - 0.08, xpos + w + 0.02, ypos + dy, ypos - dy * n)
i = 0
if sp[:legendtitle] != nothing
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_HALF)
gr_set_textcolor(sp[:foreground_color_legend])
gr_text(xpos - 0.03 + 0.5*w, ypos, string(sp[:legendtitle]))
ypos -= dy
end
for series in series_list(sp)
should_add_to_legend(series) || continue
st = series[:seriestype]