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Corrected alpha_composite args documentation

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Andrew Murray 2017-07-16 17:37:51 +10:00 committed by wiredfool
parent bbde1fe682
commit 619d706eba
1 changed files with 10 additions and 10 deletions
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20
PIL/Image.py
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@ -1069,7 +1069,7 @@ class Image(object):
_decompression_bomb_check((x1, y1)) _decompression_bomb_check((x1, y1))
return im.crop((x0, y0, x1, y1)) return im.crop((x0, y0, x1, y1))
def draft(self, mode, size): def draft(self, mode, size):
""" """
Configures the image file loader so it returns a version of the Configures the image file loader so it returns a version of the
@ -1381,12 +1381,12 @@ class Image(object):
onto this image. onto this image.
:param im: image to composite over this one :param im: image to composite over this one
:param dest: Optional 2 tuple (top, left) specifying the upper :param dest: Optional 2 tuple (left, top) specifying the upper
left corner in this (destination) image. left corner in this (destination) image.
:param source: Optional 2 (top, left) tuple for the upper left :param source: Optional 2 (left, top) tuple for the upper left
corner in the overlay source image, or 4 tuple (top, left, bottom, corner in the overlay source image, or 4 tuple (left, top, right,
right) for the bounds of the source rectangle bottom) for the bounds of the source rectangle
Performance Note: Not currently implemented in-place in the core layer. Performance Note: Not currently implemented in-place in the core layer.
""" """
@ -1406,7 +1406,7 @@ class Image(object):
if len(source) == 2: if len(source) == 2:
source = source + im.size source = source + im.size
# over image, crop if it's not the whole thing. # over image, crop if it's not the whole thing.
if source == (0,0) + im.size: if source == (0,0) + im.size:
overlay = im overlay = im
else: else:
@ -1414,16 +1414,16 @@ class Image(object):
# target for the paste # target for the paste
box = dest + (dest[0] + overlay.width, dest[1] + overlay.height) box = dest + (dest[0] + overlay.width, dest[1] + overlay.height)
# destination image. don't copy if we're using the whole image. # destination image. don't copy if we're using the whole image.
if dest == (0,0) + self.size: if dest == (0,0) + self.size:
background = self background = self
else: else:
background = self.crop(box) background = self.crop(box)
result = alpha_composite(background, overlay) result = alpha_composite(background, overlay)
self.paste(result, box) self.paste(result, box)
def point(self, lut, mode=None): def point(self, lut, mode=None):
""" """
Maps this image through a lookup table or function. Maps this image through a lookup table or function.