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Merge pull request #7317 from radarhere/pdf_alpha

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Set SMaskInData to 1 for LA PDFs
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Andrew Murray 2023-08-04 23:54:20 +10:00 committed by GitHub
commit fc99a5871e
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1 changed files with 1 additions and 1 deletions
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src/PIL/PdfImagePlugin.py
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@ -162,8 +162,8 @@ def _save(im, fp, filename, save_all=False):
elif im.mode == "LA": elif im.mode == "LA":
filter = "JPXDecode" filter = "JPXDecode"
# params = f"<< /Predictor 15 /Columns {width-2} >>" # params = f"<< /Predictor 15 /Columns {width-2} >>"
colorspace = PdfParser.PdfName("DeviceGray")
procset = "ImageB" # grayscale procset = "ImageB" # grayscale
dict_obj["SMaskInData"] = 1
elif im.mode == "P": elif im.mode == "P":
filter = "ASCIIHexDecode" filter = "ASCIIHexDecode"
palette = im.getpalette() palette = im.getpalette()