Regression: CGImageSource doesn't render background image of certain PDFs
Originator: | oliver.drobnik | ||
Number: | rdar://45338633 | Date Originated: | 17 Oct 2018 |
Status: | Open | Resolved: | |
Product: | macOS SDK | Product Version: | 10.14 (18A391) |
Classification: | Serious Bug | Reproducible: | Always |
Area: Core Graphics Summary: CGImageSource as of Mohave is no longer able to render the background images for certain PDFs coming out of Adobe Illustrator. This is a regression because on earlier macOS versions this worked fine. Steps to Reproduce: Build&run the provided sample app on Mohave Expected Results: - you should see the background image with the woman Actual Results: - you only see some text and boxes in the foreground, the background where the image with the woman should be, is left blank - On the console you see the output: [Cocoanetics.CGImageSourcePDFBug] img_alphamerge_stage: Assertion failed - unknown source alpha Version/Build: macOS 10.14 (18A391)
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The PDFs with which CoreGraphics has a problem with actually come out of Adobe InDesign CC2018, not Illustrator as I originally wrote.