7ac137bfc1
* [x] I have followed the instructions in the PR template Splitting this out from the Parley work as requested. This removes `FontImage` and makes the font atlas use a `ColorImage`. It converts alpha to coverage at glyph-drawing time, not at delta-upload time. This doesn't do much now, but will allow for color emoji rendering once we start using Parley. I've changed things around so that we pass in `text_alpha_to_coverage` to the `Fonts` the same way we do with `pixels_per_point` and `max_texture_side`, reusing the existing code to check if the setting differs and recreating the font atlas if so. I'm not quite sure why this wasn't done in the first place. I've left `ImageData` as an enum for now, in case we want to add support for more texture pixel formats in the future (which I personally think would be worthwhile). If you'd like, I can just remove that enum entirely. |
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