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Return copy on Image crop if crop dimensions match Image dimensions

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Andrew Murray 2017-03-31 13:02:56 +11:00
parent 2152b26515
commit 4dd7b94338
1 changed files with 11 additions and 8 deletions
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19
PIL/Image.py
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@ -1032,6 +1032,9 @@ class Image(object):
x0, y0, x1, y1 = map(int, map(round, box)) x0, y0, x1, y1 = map(int, map(round, box))
if x0 == 0 and y0 == 0 and (x1, y1) == self.size:
return self.copy()
if x1 < x0: if x1 < x0:
x1 = x0 x1 = x0
if y1 < y0: if y1 < y0:
@ -1520,16 +1523,16 @@ class Image(object):
def remap_palette(self, dest_map, source_palette=None): def remap_palette(self, dest_map, source_palette=None):
""" """
Rewrites the image to reorder the palette. Rewrites the image to reorder the palette.
:param dest_map: A list of indexes into the original palette. :param dest_map: A list of indexes into the original palette.
e.g. [1,0] would swap a two item palette, and list(range(255)) e.g. [1,0] would swap a two item palette, and list(range(255))
is the identity transform. is the identity transform.
:param source_palette: Bytes or None. :param source_palette: Bytes or None.
:returns: An :py:class:`~PIL.Image.Image` object. :returns: An :py:class:`~PIL.Image.Image` object.
""" """
from . import ImagePalette from . import ImagePalette
if self.mode not in ("L", "P"): if self.mode not in ("L", "P"):
raise ValueError("illegal image mode") raise ValueError("illegal image mode")
@ -1538,7 +1541,7 @@ class Image(object):
source_palette = self.im.getpalette("RGB")[:768] source_palette = self.im.getpalette("RGB")[:768]
else: # L-mode else: # L-mode
source_palette = bytearray(i//3 for i in range(768)) source_palette = bytearray(i//3 for i in range(768))
palette_bytes = b"" palette_bytes = b""
new_positions = [0]*256 new_positions = [0]*256
@ -1591,8 +1594,8 @@ class Image(object):
size=len(palette_bytes)) size=len(palette_bytes))
return m_im return m_im
def resize(self, size, resample=NEAREST): def resize(self, size, resample=NEAREST):
""" """
@ -2615,7 +2618,7 @@ def register_decoder(name, decoder):
:param decoder: A callable(mode, args) that returns an :param decoder: A callable(mode, args) that returns an
ImageFile.PyDecoder object ImageFile.PyDecoder object
.. versionadded:: 4.1.0 .. versionadded:: 4.1.0
""" """
DECODERS[name] = decoder DECODERS[name] = decoder