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Legend hatching fixes #8575

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Merged
phobson merged 3 commits into from
May 8, 2017
Merged

Legend hatching fixes #8575

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4c46381
Use original face/edge color to create Poly legend.
QuLogic May 5, 2017
122bf46
Also copy hatch color when updating Patches.
QuLogic May 5, 2017
ae5bb59
Add test that hatching works in legends.
QuLogic May 5, 2017
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10 changes: 8 additions & 2 deletions lib/matplotlib/legend_handler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -592,6 +592,8 @@ class HandlerPolyCollection(HandlerBase):
"""
def _update_prop(self, legend_handle, orig_handle):
def first_color(colors):
if colors is None:
return None
colors = mcolors.to_rgba_array(colors)
if len(colors):
return colors[0]
Expand All @@ -602,8 +604,12 @@ def get_first(prop_array):
return prop_array[0]
else:
return None
legend_handle.set_edgecolor(first_color(orig_handle.get_edgecolor()))
legend_handle.set_facecolor(first_color(orig_handle.get_facecolor()))
edgecolor = getattr(orig_handle, '_original_edgecolor',
orig_handle.get_edgecolor())
legend_handle.set_edgecolor(first_color(edgecolor))
facecolor = getattr(orig_handle, '_original_facecolor',
orig_handle.get_facecolor())
legend_handle.set_facecolor(first_color(facecolor))
legend_handle.set_fill(orig_handle.get_fill())
legend_handle.set_hatch(orig_handle.get_hatch())
legend_handle.set_linewidth(get_first(orig_handle.get_linewidths()))
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1 change: 1 addition & 0 deletions lib/matplotlib/patches.py
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Original file line number Diff line number Diff line change
Expand Up @@ -200,6 +200,7 @@ def update_from(self, other):
self._facecolor = other._facecolor
self._fill = other._fill
self._hatch = other._hatch
self._hatch_color = other._hatch_color
# copy the unscaled dash pattern
self._us_dashes = other._us_dashes
self.set_linewidth(other._linewidth) # also sets dash properties
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Binary file added lib/matplotlib/tests/baseline_images/test_legend/hatching.pdf
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Binary file added lib/matplotlib/tests/baseline_images/test_legend/hatching.png
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