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tldraw

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A tiny little drawing editor.

19 lines (18 loc) 514 B
const memo = {}; function getRgba(colorString) { if (memo[colorString]) { return memo[colorString]; } const canvas = document.createElement("canvas"); const context = canvas.getContext("2d"); context.fillStyle = colorString; context.fillRect(0, 0, 1, 1); const [r, g, b, a] = context.getImageData(0, 0, 1, 1).data; const result = new Float32Array([r / 255, g / 255, b / 255, a / 255]); memo[colorString] = result; return result; } export { getRgba }; //# sourceMappingURL=getRgba.mjs.map