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- "use strict";
- exports.__esModule = true;
- exports["default"] = void 0;
- function colorToInt(color) {
- return Math.round(color * 255);
- }
- function convertToInt(red, green, blue) {
- return colorToInt(red) + "," + colorToInt(green) + "," + colorToInt(blue);
- }
- function hslToRgb(hue, saturation, lightness, convert) {
- if (convert === void 0) {
- convert = convertToInt;
- }
- if (saturation === 0) {
- // achromatic
- return convert(lightness, lightness, lightness);
- }
- // formulae from https://en.wikipedia.org/wiki/HSL_and_HSV
- var huePrime = (hue % 360 + 360) % 360 / 60;
- var chroma = (1 - Math.abs(2 * lightness - 1)) * saturation;
- var secondComponent = chroma * (1 - Math.abs(huePrime % 2 - 1));
- var red = 0;
- var green = 0;
- var blue = 0;
- if (huePrime >= 0 && huePrime < 1) {
- red = chroma;
- green = secondComponent;
- } else if (huePrime >= 1 && huePrime < 2) {
- red = secondComponent;
- green = chroma;
- } else if (huePrime >= 2 && huePrime < 3) {
- green = chroma;
- blue = secondComponent;
- } else if (huePrime >= 3 && huePrime < 4) {
- green = secondComponent;
- blue = chroma;
- } else if (huePrime >= 4 && huePrime < 5) {
- red = secondComponent;
- blue = chroma;
- } else if (huePrime >= 5 && huePrime < 6) {
- red = chroma;
- blue = secondComponent;
- }
- var lightnessModification = lightness - chroma / 2;
- var finalRed = red + lightnessModification;
- var finalGreen = green + lightnessModification;
- var finalBlue = blue + lightnessModification;
- return convert(finalRed, finalGreen, finalBlue);
- }
- var _default = exports["default"] = hslToRgb;
- module.exports = exports.default;
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