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Only set row order when needed

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This commit is contained in:
Andrew Murray 2024-01-09 12:47:27 +11:00
parent 673eb9a845
commit 6c320323b4
1 changed files with 1 additions and 2 deletions
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3
src/PIL/PpmImagePlugin.py
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@ -311,7 +311,6 @@ class PpmDecoder(ImageFile.PyDecoder):
def _save(im, fp, filename):
row_order = 1
if im.mode == "1":
rawmode, head = "1;I", b"P4"
elif im.mode == "L":
@ -322,7 +321,6 @@ def _save(im, fp, filename):
rawmode, head = "RGB", b"P6"
elif im.mode == "F":
rawmode, head = "F;32F", b"Pf"
row_order = -1
else:
msg = f"cannot write mode {im.mode} as PPM"
raise OSError(msg)
@ -336,6 +334,7 @@ def _save(im, fp, filename):
fp.write(b"65535\n")
elif head == b"Pf":
fp.write(b"-1.0\n")
row_order = -1 if im.mode == "F" else 1
ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, 0, row_order))])