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Add tests for ensureContrastRatioRgba

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Daniel Imms
2019-11-12 11:05:58 -08:00
parent db090c70de
commit 20b0a95bb0
2 changed files with 55 additions and 3 deletions
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src/browser/Color.ts
+2 -2
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@@ -133,7 +133,7 @@ export function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number):
fgB -= Math.max(0, Math.ceil(fgB * 0.1));
cr = contrastRatio(rgbRelativeLuminance2(fgR, fgB, fgG), rgbRelativeLuminance2(bgR, bgG, bgB));
}
return fgR << 24 | fgG << 16 | fgB << 8 | 0xFF;
return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;
}
export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {
@@ -153,5 +153,5 @@ export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number)
fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));
cr = contrastRatio(rgbRelativeLuminance2(fgR, fgB, fgG), rgbRelativeLuminance2(bgR, bgG, bgB));
}
return fgR << 24 | fgG << 16 | fgB << 8 | 0xFF;
return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;
}