googlefonts / googlefonts/fontations

Support hvgl outlines

Open
#1,369 1 comment 2 reactions 0 assignees View on GitHub
enhancement
Dominant language
Rust
Stars
826
Forks
75
Avg merge
22h 33m
Merged PRs (30d)
75

Description

The `hvgl` table was introduced by Apple with a new PingFang font family (PingFangUI.ttc). There isn't yet any official documentation of the format.

See also [FreeType issue](https://gitlab.freedesktop.org/freetype/freetype/-/issues/1281) and [Chromium issue](https://issues.chromium.org/issues/380313555).

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by reviewing the hvgl table reference in the issue and the linked FreeType and Chromium issues, since the format has no official documentation. Determine the outline data and the fontations entry point that should support it; done means hvgl outlines can be read and written correctly, with coverage verified by tests.

Written by the indexing model from the issue text.

Assessment

Domain
tooling
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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