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Tom Archer

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  1. PDF issue with WorkSans variable font

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    5 comments  ·  Adobe InDesign: Bugs » PDF Export  ·  Admin →
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    Under Review  ·  amaarora responded

    Thanks for reporting. We will review the issue shortly.

    -InDesign Team

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    Tom Archer commented  · 

    In regards to the OVERLAP_SIMPLE flag, find OVERLAP_SIMPLE at https://docs.microsoft.com/en-us/typography/opentype/spec/glyf

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    Tom Archer commented  · 

    Here's a link to the .ttf https://drive.google.com/file/d/1bE9F8Gxf1w7DuUCY8R-KjpNWqgmZ5NmS/view?usp=sharing

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    Tom Archer commented  · 

    Variable fonts are incorrectly filled when exported to PDF format on Mac.

    Glyphs are shown without fault within InDesign itself (see vf_a_indesign.png). However, when exported to PDF format and opened on OSX, there is an issue with how overlapping contours are displayed (see indeisgn_a_pdf_mac.png). As you can see, where the contours overlap are not filled in correctly.

    After some testing, we have identified this as an Adobe problem on macOS (the issue also occurs when we export Illustrator files to PDF). We believe the problem stems from InDesign and Illustrator subsetting the variable font into different static font instances, but not setting the correct overlap parameters during this process.

    The reason the problem only occurs on OSX is that OSX expects static fonts to either have no overlaps, or the correct OVERLAP_SIMPLE flag in the glyf table, which Adobe apps are not setting correctly when subsetting variable fonts into static instances.

    See the attached ttf (AktivGroteskVF_AOnly.tff) for reproducibility.

    Tom Archer supported this idea  · 

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