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Add HarfBuzz for text shaping (complex scripts, font ligatures) #9961

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bruvzg opened this issue Jul 28, 2017 · 3 comments · Fixed by #41100
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Add HarfBuzz for text shaping (complex scripts, font ligatures) #9961

bruvzg opened this issue Jul 28, 2017 · 3 comments · Fixed by #41100
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archived feature proposal topic:core
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4.0

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@bruvzg
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bruvzg commented Jul 28, 2017

Change DynamicFont to use HarfBuzz (MIT license) to handle:

  1. Context-sensitive shaping and ligatures for complex scripts (Arabic, Devanagari, Thai etc.);
  2. Programming ligatures with fonts like Iosevka & Fira Code in script editor.

fonts

Related: #3081
@reduz
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reduz commented Jul 29, 2017

Would be ideal to just adapt the relevant code instead of using a pretty big library for it

@bruvzg
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bruvzg commented Aug 18, 2017

This is far from finished and a hell of a mess, but here's early in-progress screenshot (bidi display, language specific shaping, OT typographic features).

Test build:
test

3.0 alpha 1:
test3a

I'll probably make WIP PR next week.

@akien-mga akien-mga changed the title [Suggestion] Add HarfBuzz for text shaping Add HarfBuzz for text shaping Aug 18, 2017
@bruvzg bruvzg mentioned this issue Aug 22, 2017
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@akien-mga akien-mga mentioned this issue Sep 18, 2017
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@bruvzg bruvzg mentioned this issue Sep 6, 2018
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@NathanLovato NathanLovato mentioned this issue Oct 17, 2018
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@Calinou Calinou mentioned this issue Mar 24, 2019
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@Calinou Calinou mentioned this issue May 1, 2019
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@Calinou Calinou changed the title Add HarfBuzz for text shaping Add HarfBuzz for text shaping (complex scripts, font ligatures) May 13, 2020
@akien-mga
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Superseded by godotengine/godot-proposals#4.

@bruvzg bruvzg mentioned this issue Nov 10, 2020
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@akien-mga akien-mga added this to the 4.0 milestone Nov 10, 2020
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archived feature proposal topic:core
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[Complex Text Layouts] Implement TextServer interface. bruvzg/godot
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@akien-mga @vnen @reduz @bruvzg