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Fix parsing the J2K header

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This commit is contained in:
scaramallion 2024-03-25 17:39:21 +11:00
parent 901c13c4b1
commit 1f182ce8da
1 changed files with 2 additions and 2 deletions
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4
src/PIL/Jpeg2KImagePlugin.py
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@ -110,11 +110,11 @@ def _parse_codestream(fp):
xrsiz = [None] * csiz xrsiz = [None] * csiz
yrsiz = [None] * csiz yrsiz = [None] * csiz
for i in range(csiz): for i in range(csiz):
ssiz[i], xrsiz[i], yrsiz[i] = struct.unpack_from(">BBB", siz, 36 + 3 * i) ssiz[i], xrsiz[i], yrsiz[i] = struct.unpack_from(">BBB", siz, 38 + 3 * i)
size = (xsiz - xosiz, ysiz - yosiz) size = (xsiz - xosiz, ysiz - yosiz)
if csiz == 1: if csiz == 1:
if (yrsiz[0] & 0x7F) + 1 > 8: if (ssiz[0] & 0x7F) + 1 > 8:
mode = "I;16" mode = "I;16"
else: else:
mode = "L" mode = "L"