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Allow array alpha for imshow #8183

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Allow array alpha for imshow #8183

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157fc86
Allow array alpha for imshow.
tillahoffmann Mar 2, 2017
8916fa9
Remove unnecessary logic branch.
tillahoffmann Mar 2, 2017
fd0ed02
Fix PEP8.
tillahoffmann Mar 3, 2017
c9c96ab
Only restore alpha channel if `_array_alpha` is given.
tillahoffmann Mar 3, 2017
f04266b
Merge remote-tracking branch 'upstream/master' into arrayalpha
tillahoffmann Mar 3, 2017
f6e788a
Rerender test images.
tillahoffmann Mar 3, 2017
efc8b74
Add test for array alpha.
tillahoffmann Mar 7, 2017
b9bce13
Update docstring.
tillahoffmann Mar 7, 2017
c5437e5
Merge remote-tracking branch 'upstream/master' into arrayalpha
tillahoffmann Mar 7, 2017
fdbc951
Trigger CI
tillahoffmann Mar 7, 2017
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Only restore alpha channel if _array_alpha is given.
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@tillahoffmann
tillahoffmann committed Mar 3, 2017
commit c9c96abc21dfe71b27761d31a96ca68c148d85f7
2 changes: 1 addition & 1 deletion lib/matplotlib/image.py
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Original file line number Diff line number Diff line change
Expand Up @@ -437,7 +437,7 @@ def _make_image(self, A, in_bbox, out_bbox, clip_bbox, magnification=1.0,
output = self.to_rgba(output, bytes=True, norm=False)

# Restore the alpha channel
if created_rgba_mask:
if created_rgba_mask and self._array_alpha is not None:
output[..., 3] = (output[..., 3] * hid_output[..., 3]).astype(
output.dtype
)
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