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Typing: Image.alphacomposite

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This commit is contained in:
Eric Soroos 2018-01-05 10:08:35 +00:00
parent 1f1b90f513
commit 42086c3a35
1 changed files with 12 additions and 6 deletions
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18
src/PIL/Image.py
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@ -1522,17 +1522,22 @@ class Image(object):
if min(dest) < 0: if min(dest) < 0:
raise ValueError("Destination must be non-negative") raise ValueError("Destination must be non-negative")
source_lurd = None # type: LURD
if len(source) == 2: if len(source) == 2:
source = source + im.size source_lurd = source + im.size # type: ignore
else:
source_lurd = source # type: ignore
# 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_lurd == (0,0) + im.size:
overlay = im overlay = im
else: else:
overlay = im.crop(source) overlay = im.crop(source_lurd)
# target for the paste # target for the paste
box = dest + (dest[0] + overlay.width, dest[1] + overlay.height) box = None # type: LURD
box = dest + (dest[0] + overlay.width, dest[1] + overlay.height) # type: ignore
# 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 box == (0,0) + self.size: if box == (0,0) + self.size:
@ -2338,8 +2343,9 @@ class Image(object):
class ImagePointHandler(object): class ImagePointHandler(object):
# used as a mixin by point transforms (for use with im.point) # used as a mixin by point transforms (for use with im.point)
pass def point(self, s):
# type (T) -> T
return s
class ImageTransformHandler(object): class ImageTransformHandler(object):
# used as a mixin by geometry transforms (for use with im.transform) # used as a mixin by geometry transforms (for use with im.transform)