elite-matrix/lib/cjs/index.js
punkfairie 16fb9e9cb0 Fixes.
2023-05-14 11:22:32 -07:00

49 lines
1.5 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EliteMatrix = void 0;
class EliteMatrix {
constructor(matrixRed, matrixGreen, matrixBlue) {
this.red = matrixRed;
this.green = matrixGreen;
this.blue = matrixBlue;
}
/* ------------------------------------------------------------------------- filterColor ---- */
filterColor(color) {
let rgb;
// Convert hex to RGB.
if (typeof color === 'string') {
const red = parseInt(color.slice(1, 3), 16) / 255;
const green = parseInt(color.slice(3, 5), 16) / 255;
const blue = parseInt(color.slice(5, 7), 16) / 255;
rgb = [red, green, blue];
}
else {
rgb = color;
}
// Apply matrix filter.
let newColor = [];
let i = 0;
while (i < 3) {
newColor.push(this.red[i] * rgb[0] +
this.green[i] * rgb[1] +
this.blue[i] * rgb[2]);
i++;
}
newColor.forEach((n) => {
Math.max(Math.min(n, 1), 0);
});
// Return the same data type as user put in.
if (Array.isArray(color)) {
return newColor;
}
else {
let hex = '#';
newColor.forEach((n) => {
n *= 255;
hex += n.toString(16);
});
return hex;
}
}
}
exports.EliteMatrix = EliteMatrix;