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Allow saving I;16 images as PPM

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This commit is contained in:
Andrew Murray 2024-07-13 13:00:58 +10:00
parent 6a9acfa5ca
commit 8e730e17ae
2 changed files with 3 additions and 1 deletions
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2
Tests/test_file_ppm.py
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@ -95,7 +95,9 @@ def test_16bit_pgm_write(tmp_path: Path) -> None:
with Image.open("Tests/images/16_bit_binary.pgm") as im:
filename = str(tmp_path / "temp.pgm")
im.save(filename, "PPM")
assert_image_equal_tofile(im, filename)
im.convert("I;16").save(filename, "PPM")
assert_image_equal_tofile(im, filename)

2
src/PIL/PpmImagePlugin.py
View File

@ -333,7 +333,7 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
rawmode, head = "1;I", b"P4"
elif im.mode == "L":
rawmode, head = "L", b"P5"
elif im.mode == "I":
elif im.mode in ("I", "I;16"):
rawmode, head = "I;16B", b"P5"
elif im.mode in ("RGB", "RGBA"):
rawmode, head = "RGB", b"P6"