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Discard first byte if not 0xFF (for issue #630)

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This commit is contained in:
hugovk 2014-05-05 22:09:57 +03:00
parent 73eafbb55f
commit e835dd70a1
1 changed files with 12 additions and 7 deletions
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19
PIL/JpegImagePlugin.py
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@ -290,24 +290,29 @@ class JpegImageFile(ImageFile.ImageFile):
while True:
s = s + self.fp.read(1)
i = i16(s)
i = i8(s)
if i == 0xFF:
s = s + self.fp.read(1)
i = i16(s)
else:
# Skip non-0xFF junk
s = "\xff"
continue
if i in MARKER:
name, description, handler = MARKER[i]
# print hex(i), name, description
if handler is not None:
handler(self, i)
if i == 0xFFDA: # start of scan
if i == 0xFFDA: # start of scan
rawmode = self.mode
if self.mode == "CMYK":
rawmode = "CMYK;I" # assume adobe conventions
self.tile = [("jpeg", (0,0) + self.size, 0, (rawmode, ""))]
rawmode = "CMYK;I" # assume adobe conventions
self.tile = [("jpeg", (0, 0) + self.size, 0, (rawmode, ""))]
# self.__offset = self.fp.tell()
break
s = self.fp.read(1)
elif i == 0 or i == 65535:
elif i == 0 or i == 0xFFFF:
# padded marker or junk; move on
s = "\xff"
else: