The issue of Subtitle Edit software with some Arabic fonts.

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#9,972 5 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
38/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
csharp
Domain
desktop, internationalization

Research direction

Reproduce the problem in Subtitle Edit's generate transparent video with subtitle feature using an Arabic or Persian font that relies on the calt or rclt OpenType features. Trace the rendering path used by that feature and compare its output with correctly shaped text. Done means Arabic and Persian subtitles render correctly with those fonts.

Written by the indexing model from the issue text.

Description

Hello. Some Arabic/Persian font use opentype features calt or rclt to improve the rendering of letters.
Image

The problem occurs when I try to use Arabic or Persian fonts with the generate transparent video with subtitle feature.
if these features are not enabled through the software, the text may be displayed incorrectly.

Image
Dominant language
C#
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Forks
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Avg merge
1h 19m
Merged PRs (30d)
782

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