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Support saving I;16L TIFF images (#9015)

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Hugo van Kemenade 2025-06-25 11:11:47 +01:00 committed by GitHub
commit 1e5eb3b29d
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2 changed files with 6 additions and 24 deletions
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23
Tests/test_file_tiff.py
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@ -49,25 +49,10 @@ class TestFileTiff:
assert im.size == (128, 128)
assert im.format == "TIFF"
hopper("1").save(filename)
with Image.open(filename):
pass
hopper("L").save(filename)
with Image.open(filename):
pass
hopper("P").save(filename)
with Image.open(filename):
pass
hopper("RGB").save(filename)
with Image.open(filename):
pass
hopper("I").save(filename)
with Image.open(filename):
pass
for mode in ("1", "L", "P", "RGB", "I", "I;16", "I;16L"):
hopper(mode).save(filename)
with Image.open(filename):
pass
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
def test_unclosed_file(self) -> None:

7
src/PIL/TiffImagePlugin.py
View File

@ -1680,7 +1680,7 @@ SAVE_INFO = {
"PA": ("PA", II, 3, 1, (8, 8), 2),
"I": ("I;32S", II, 1, 2, (32,), None),
"I;16": ("I;16", II, 1, 1, (16,), None),
"I;16S": ("I;16S", II, 1, 2, (16,), None),
"I;16L": ("I;16L", II, 1, 1, (16,), None),
"F": ("F;32F", II, 1, 3, (32,), None),
"RGB": ("RGB", II, 2, 1, (8, 8, 8), None),
"RGBX": ("RGBX", II, 2, 1, (8, 8, 8, 8), 0),
@ -1688,10 +1688,7 @@ SAVE_INFO = {
"CMYK": ("CMYK", II, 5, 1, (8, 8, 8, 8), None),
"YCbCr": ("YCbCr", II, 6, 1, (8, 8, 8), None),
"LAB": ("LAB", II, 8, 1, (8, 8, 8), None),
"I;32BS": ("I;32BS", MM, 1, 2, (32,), None),
"I;16B": ("I;16B", MM, 1, 1, (16,), None),
"I;16BS": ("I;16BS", MM, 1, 2, (16,), None),
"F;32BF": ("F;32BF", MM, 1, 3, (32,), None),
}
@ -1967,7 +1964,7 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
# we're storing image byte order. So, if the rawmode
# contains I;16, we need to convert from native to image
# byte order.
if im.mode in ("I;16B", "I;16"):
if im.mode in ("I;16", "I;16B", "I;16L"):
rawmode = "I;16N"
# Pass tags as sorted list so that the tags are set in a fixed order.