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Do not set ColorSpace for JPXDecode since it is optional

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This commit is contained in:
Andrew Murray 2023-08-03 22:07:36 +10:00
parent ddfb7ef14b
commit 6ca38552c9
1 changed files with 5 additions and 7 deletions
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12
src/PIL/PdfImagePlugin.py
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@ -152,17 +152,17 @@ def _save(im, fp, filename, save_all=False):
)
else:
filter = "DCTDecode"
colorspace = PdfParser.PdfName("DeviceGray")
dict_obj["ColorSpace"] = PdfParser.PdfName("DeviceGray")
procset = "ImageB" # grayscale
elif im.mode == "L":
filter = "DCTDecode"
# params = f"<< /Predictor 15 /Columns {width-2} >>"
colorspace = PdfParser.PdfName("DeviceGray")
dict_obj["ColorSpace"] = PdfParser.PdfName("DeviceGray")
procset = "ImageB" # grayscale
elif im.mode == "P":
filter = "ASCIIHexDecode"
palette = im.getpalette()
colorspace = [
dict_obj["ColorSpace"] = [
PdfParser.PdfName("Indexed"),
PdfParser.PdfName("DeviceRGB"),
255,
@ -171,16 +171,15 @@ def _save(im, fp, filename, save_all=False):
procset = "ImageI" # indexed color
elif im.mode == "RGB":
filter = "DCTDecode"
colorspace = PdfParser.PdfName("DeviceRGB")
dict_obj["ColorSpace"] = PdfParser.PdfName("DeviceRGB")
procset = "ImageC" # color images
elif im.mode == "RGBA":
filter = "JPXDecode"
colorspace = PdfParser.PdfName("DeviceRGB")
procset = "ImageC" # color images
dict_obj["SMaskInData"] = 1
elif im.mode == "CMYK":
filter = "DCTDecode"
colorspace = PdfParser.PdfName("DeviceCMYK")
dict_obj["ColorSpace"] = PdfParser.PdfName("DeviceCMYK")
procset = "ImageC" # color images
decode = [1, 0, 1, 0, 1, 0, 1, 0]
else:
@ -232,7 +231,6 @@ def _save(im, fp, filename, save_all=False):
Filter=filter,
Decode=decode,
DecodeParms=params,
ColorSpace=colorspace,
**dict_obj,
)