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Replace css color rgb(...) by #...

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* it's faster to generate the color code in using a table for components
* it's very likely a way faster to parse (when setting the color in the canvas)
This commit is contained in:
Calixte Denizet 2020-10-30 14:51:50 +01:00
parent bf870bd2ac
commit 9d11b51a3e
6 changed files with 15 additions and 18 deletions
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13
src/shared/util.js
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@ -618,16 +618,13 @@ const IsEvalSupportedCached = {
},
};
const rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"];
const hexNumbers = [...Array(256).keys()].map(n =>
n.toString(16).padStart(2, "0")
);
class Util {
// makeCssRgb() can be called thousands of times. Using ´rgbBuf` avoids
// creating many intermediate strings.
static makeCssRgb(r, g, b) {
rgbBuf[1] = r;
rgbBuf[3] = g;
rgbBuf[5] = b;
return rgbBuf.join("");
static makeHexColor(r, g, b) {
return `#${hexNumbers[r]}${hexNumbers[g]}${hexNumbers[b]}`;
}
// Concatenates two transformation matrices together and returns the result.