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Fixed Image.frombytes() for images with a zero dimension

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This commit is contained in:
Andrew Murray 2023-10-25 08:52:06 +11:00
parent d05ff5059f
commit 5071692039
2 changed files with 13 additions and 8 deletions
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4
Tests/test_image.py
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@ -906,6 +906,10 @@ class TestImage:
im = Image.new("RGB", size) im = Image.new("RGB", size)
assert im.tobytes() == b"" assert im.tobytes() == b""
@pytest.mark.parametrize("size", ((1, 0), (0, 1), (0, 0)))
def test_zero_frombytes(self, size):
Image.frombytes("RGB", size, b"")
def test_has_transparency_data(self): def test_has_transparency_data(self):
for mode in ("1", "L", "P", "RGB"): for mode in ("1", "L", "P", "RGB"):
im = Image.new(mode, (1, 1)) im = Image.new(mode, (1, 1))

17
src/PIL/Image.py
View File

@ -2967,15 +2967,16 @@ def frombytes(mode, size, data, decoder_name="raw", *args):
_check_size(size) _check_size(size)
# may pass tuple instead of argument list
if len(args) == 1 and isinstance(args[0], tuple):
args = args[0]
if decoder_name == "raw" and args == ():
args = mode
im = new(mode, size) im = new(mode, size)
im.frombytes(data, decoder_name, args) if im.width != 0 and im.height != 0:
# may pass tuple instead of argument list
if len(args) == 1 and isinstance(args[0], tuple):
args = args[0]
if decoder_name == "raw" and args == ():
args = mode
im.frombytes(data, decoder_name, args)
return im return im