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Fix swapped min/max stem darkening amounts

This commit is contained in:
Patrick Walton 2017-11-11 09:38:28 -08:00
parent 575d4c2366
commit d90d3af21b
1 changed files with 2 additions and 2 deletions
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4
demo/client/src/text.ts
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@ -23,7 +23,7 @@ export const BUILTIN_FONT_URI: string = "/otf/demo";
const STEM_DARKENING_FACTORS: glmatrix.vec2 = glmatrix.vec2.clone([0.0121, 0.0121 * 1.25]);
// Likewise.
const MIN_STEM_DARKENING_AMOUNT: glmatrix.vec2 = glmatrix.vec2.clone([0.3, 0.3]);
const MAX_STEM_DARKENING_AMOUNT: glmatrix.vec2 = glmatrix.vec2.clone([0.3, 0.3]);
// This value is a subjective cutoff. Above this ppem value, no stem darkening is performed.
const MAX_STEM_DARKENING_PIXELS_PER_EM: number = 48.0;
@ -386,7 +386,7 @@ export function computeStemDarkeningAmount(pixelsPerEm: number, pixelsPerUnit: n
return amount;
glmatrix.vec2.scale(amount, STEM_DARKENING_FACTORS, pixelsPerEm);
glmatrix.vec2.max(amount, amount, MIN_STEM_DARKENING_AMOUNT);
glmatrix.vec2.min(amount, amount, MAX_STEM_DARKENING_AMOUNT);
glmatrix.vec2.scale(amount, amount, 1.0 / pixelsPerUnit);
return amount;
}