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catching error during messy RGBA colour handling #221

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Merged
merged 4 commits into from
Jan 31, 2018
Merged

catching error during messy RGBA colour handling #221

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8a38582
catching error during messy RGBA colour handling
Jan 31, 2018
c6b065c
added commet
Jan 31, 2018
5bef379
array before squeeze not necessary
Jan 31, 2018
5ec3f3e
Merge branch 'master' into dark_colour
nschloe Jan 31, 2018
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12 changes: 10 additions & 2 deletions matplotlib2tikz/legend.py
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Original file line number Diff line number Diff line change
Expand Up @@ -202,8 +202,16 @@ def draw_legend(data, obj):
# Set color of lines in legend
for handle in obj.legendHandles:
try:
data, legend_color, _ = mycol.mpl_color2xcolor(data,
handle.get_color())
# when using matplotlib colours like "darkred" or "darkorange",
# `handle.get_color` will create nested RGBA codes
# e.g. `[[ 0.54509804, 0., 0., 1.]]` which casuse mpl to throw an error.
# catch this error, `numpy.squeeze` the colour code and try again
try:
data, legend_color, _ = mycol.mpl_color2xcolor(
data, handle.get_color())
except ValueError:
data, legend_color, _ = mycol.mpl_color2xcolor(
data, numpy.squeeze(handle.get_color()))
data['legend colors'].append('\\addlegendimage{no markers, %s}\n'
% legend_color)
except AttributeError:
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