Martin Leitner created FOP-3171:
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Summary: Certain PNG images (grayscale, transparent) produce
broken PDF
Key: FOP-3171
URL: https://issues.apache.org/jira/browse/FOP-3171
Project: FOP
Issue Type: Bug
Components: image/png
Affects Versions: 2.8
Reporter: Martin Leitner
Attachments: document.fo, fop_2.6_ok.pdf, fop_2.7_ok.pdf,
fop_2.8_nok.pdf, fop_2.9_nok.pdf, number.png
Rendering the attached document, which references the also attached image,
produces a broken PDF in version 2.8 and 2.9. Depending on the PDF viewer, the
image is distorted, or is shown with a large black bar at the bottom, or is
shown three times, or is not shown at all. In some viewers, the content
following the image is not shown.
Up until version 2.7 the resulting PDF was fine. Generated PDFs are attached.
The image in question was auto-generated by a customer. If this cannot be fixed
easily, it may help to know what property of the image causes the problem for
finding a workaround.
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