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No glyphs detected using hb_face_get_glyph_count() #3065

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mealdy opened this issue Jul 21, 2021 · 4 comments
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No glyphs detected using hb_face_get_glyph_count() #3065

mealdy opened this issue Jul 21, 2021 · 4 comments

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@mealdy
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mealdy commented Jul 21, 2021

By using the hb_face_get_glyph_count function to detect some font files, but it always returned 0. When I tried to outline some glyphs and I got empty data. These fonts can be opened in most programs such as Font Book, and can be parsed by most js libraries such as fontkitjs, opentype.js, Typr.js, etc.

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@behdad
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behdad commented Jul 22, 2021

Please attach a zip of one of the fonts. The link requires access.

@mealdy
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mealdy commented Jul 22, 2021 •
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Sorry, I've attached the font files. fonts_harfbuzz_test.zip

@behdad
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behdad commented Jul 22, 2021

I can reproduce. Debugging.

@behdad
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behdad commented Jul 22, 2021

The fonts have wrong (unsorted) table entries. I pushed a fix to handle them.

@behdad behdad closed this as completed in ba6db26 Jul 22, 2021
@behdad behdad mentioned this issue Aug 9, 2021
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@behdad @mealdy