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Enabling background colour parameter on rotate

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Enabling the user to choose the background colour of the final rotated image rather than just black. 
parameter added: backgroundcolor
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storesource 2018-03-26 19:29:44 +05:30 committed by GitHub
parent 9386a414fc
commit a42beccee7
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1 changed files with 3 additions and 2 deletions
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src/PIL/Image.py
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@ -1749,7 +1749,7 @@ class Image(object):
return self._new(self.im.resize(size, resample, box)) return self._new(self.im.resize(size, resample, box))
def rotate(self, angle, resample=NEAREST, expand=0, center=None, def rotate(self, angle, resample=NEAREST, expand=0, center=None,
translate=None): translate=None, backgroundcolor=None):
""" """
Returns a rotated copy of this image. This method returns a Returns a rotated copy of this image. This method returns a
copy of this image, rotated the given number of degrees counter copy of this image, rotated the given number of degrees counter
@ -1771,6 +1771,7 @@ class Image(object):
:param center: Optional center of rotation (a 2-tuple). Origin is :param center: Optional center of rotation (a 2-tuple). Origin is
the upper left corner. Default is the center of the image. the upper left corner. Default is the center of the image.
:param translate: An optional post-rotate translation (a 2-tuple). :param translate: An optional post-rotate translation (a 2-tuple).
:param backgroundcolor: An optional color for the color outside the transformed image
:returns: An :py:class:`~PIL.Image.Image` object. :returns: An :py:class:`~PIL.Image.Image` object.
""" """
@ -1851,7 +1852,7 @@ class Image(object):
matrix) matrix)
w, h = nw, nh w, h = nw, nh
return self.transform((w, h), AFFINE, matrix, resample) return self.transform((w, h), AFFINE, matrix, resample, fillcolor=backgroundcolor)
def save(self, fp, format=None, **params): def save(self, fp, format=None, **params):
""" """