Preview shows squashed image in PDF's signed with PAdES signatures
Originator: | mkrens | ||
Number: | rdar://37869269 | Date Originated: | February 25 2018, 7:11 PM |
Status: | Open | Resolved: | |
Product: | Preview | Product Version: | Preview Version 10.0 (944.4) |
Classification: | Reproducible: | Yes |
Summary: Preview shows incorrect image width and height for the visual representation of a PAdES signature. Steps to Reproduce: Open the attached PDF in Preview Expected Results: See the screenshot of Adobe Reader DC compared to Preview. Also all other readers we've tried show the image correctly. Actual Results: The bounding box of the signature seems to be correct (when you select the signature). However the image inside of the bounding box is squashed. See screenshots. Version/Build: Preview Version 10.0 (944.4) but also happens in older versions. Configuration: Both settings of 'Define 100% scale as:' give the same results. simple_pdf.pdf is the original unsigned file for reference. simple_pdf.pdf_python_appended_after_signature_1.pdf is the file that shows the wrong image. signature_stamp.png is the image that is used in the visual representation of the signature.
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