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Merge pull request #3164 from radarhere/fill

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Improved Image.transform documentation
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Hugo 2018-06-14 09:27:37 +03:00 committed by GitHub
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src/PIL/Image.py
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@ -2101,6 +2101,20 @@ class Image(object):
:py:attr:`PIL.Image.QUAD` (map a quadrilateral to a rectangle), or
:py:attr:`PIL.Image.MESH` (map a number of source quadrilaterals
in one operation).
It may also be an :py:class:`~PIL.Image.ImageTransformHandler`
object::
class Example(Image.ImageTransformHandler):
def transform(size, method, data, resample, fill=1):
# Return result
It may also be an object with a :py:meth:`~method.getdata` method
that returns a tuple supplying new **method** and **data** values::
class Example(object):
def getdata(self):
method = Image.EXTENT
data = (0, 0, 100, 100)
return method, data
:param data: Extra data to the transformation method.
:param resample: Optional resampling filter. It can be one of
:py:attr:`PIL.Image.NEAREST` (use nearest neighbour),
@ -2108,6 +2122,9 @@ class Image(object):
environment), or :py:attr:`PIL.Image.BICUBIC` (cubic spline
interpolation in a 4x4 environment). If omitted, or if the image
has mode "1" or "P", it is set to :py:attr:`PIL.Image.NEAREST`.
:param fill: If **method** is an
:py:class:`~PIL.Image.ImageTransformHandler` object, this is one of
the arguments passed to it. Otherwise, it is unused.
:param fillcolor: Optional fill color for the area outside the transform
in the output image.
:returns: An :py:class:`~PIL.Image.Image` object.