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notes about %ImageData, and use better var names

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This commit is contained in:
Yay295 2023-03-02 14:21:17 -06:00
parent dd985b2a5e
commit 4f9c3847e8
1 changed files with 18 additions and 6 deletions
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24
src/PIL/EpsImagePlugin.py
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@ -320,20 +320,32 @@ class EpsImageFile(ImageFile.ImageFile):
elif bytes_mv[:11] == b"%ImageData:":
# Check for an "ImageData" descriptor
# Encoded bitmapped image.
x, y, bi, mo = byte_arr[11:bytes_read].split(None, 7)[:4]
# Values:
# columns
# rows
# bit depth
# mode (1: L, 2: LAB, 3: RGB, 4: CMYK)
# number of padding channels
# block size (number of bytes per row per channel)
# binary/ascii (1: binary, 2: ascii)
# data start identifier (the image data follows after a single line
# consisting only of this quoted value)
image_data_values = byte_arr[11:bytes_read].split(None, 7)
columns, rows, bit_depth, mode_id = [
int(value) for value in image_data_values[:4]
]
if int(bi) == 1:
if bit_depth == 1:
self.mode = "1"
elif int(bi) == 8:
elif bit_depth == 8:
try:
self.mode = self.mode_map[int(mo)]
self.mode = self.mode_map[mode_id]
except ValueError:
break
else:
break
self._size = int(x), int(y)
self._size = columns, rows
return
bytes_read = 0