@tsparticles/plugin-rgb-color/browser/RgbColorManager.js

tsParticles RGB color plugin

import { getRangeValue, parseAlpha, } from "@tsparticles/engine";
var RgbIndexes;
(function (RgbIndexes) {
    RgbIndexes[RgbIndexes["r"] = 1] = "r";
    RgbIndexes[RgbIndexes["g"] = 2] = "g";
    RgbIndexes[RgbIndexes["b"] = 3] = "b";
    RgbIndexes[RgbIndexes["a"] = 5] = "a";
})(RgbIndexes || (RgbIndexes = {}));
const rgbRegex = /rgba?\(\s*(\d{1,3})\s*[\s,]\s*(\d{1,3})\s*[\s,]\s*(\d{1,3})\s*([\s,]\s*(0|1|0?\.\d+|(\d{1,3})%)\s*)?\)/i;
export class RgbColorManager {
    accepts(input) {
        return input.startsWith("rgb");
    }
    handleColor(color) {
        const colorValue = color.value, rgbColor = colorValue.rgb ?? color.value;
        if (!("r" in rgbColor) || !("g" in rgbColor) || !("b" in rgbColor)) {
            return;
        }
        return rgbColor;
    }
    handleRangeColor(color) {
        const colorValue = color.value, rgbColor = colorValue.rgb ?? color.value;
        if (!("r" in rgbColor) || !("g" in rgbColor) || !("b" in rgbColor)) {
            return;
        }
        return {
            r: getRangeValue(rgbColor.r),
            g: getRangeValue(rgbColor.g),
            b: getRangeValue(rgbColor.b),
        };
    }
    parseString(input) {
        if (!this.accepts(input)) {
            return;
        }
        const result = rgbRegex.exec(input), radix = 10, minLength = 4, defaultAlpha = 1;
        return result
            ? {
                a: result.length > minLength ? parseAlpha(result[RgbIndexes.a]) : defaultAlpha,
                b: parseInt(result[RgbIndexes.b] ?? "0", radix),
                g: parseInt(result[RgbIndexes.g] ?? "0", radix),
                r: parseInt(result[RgbIndexes.r] ?? "0", radix),
            }
            : undefined;
    }
}