Rendering arbitrary-scale emojis using the Slug algorithm
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Lê Duy Quang
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Rendering arbitrary-scale emojis using the Slug algorithm is a technical blog article by Lê Duy Quang.
Technical blog post outlining how to render vector color fonts and emojis at arbitrary scale with Eric Lengyel's Slug algorithm via HarfBuzz GPU. Walks through single-color glyphs, COLRv0 layered flat color, and COLRv1 gradients with clip masks, transforms, and fragment-shader blending, with code snippets and a web demo. A post from the personal blog of Lê Duy Quang (leduyquang753).
It is aimed at advanced graphics programmers and matches the audience implied by Lê Duy Quang's other work.
The article is a free HTML blog post meant to be read in one sitting, with diagrams or code snippets embedded in the page.
It is useful when you want practical detail beyond a title or store listing and prefer primary-source explanation from the author or maintainer.
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