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pex-color

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Color utilities (css, p3, hex, hsl, hsv, hwb, lab, lch, xyz, okhsl, okhsv, oklab, oklch, hpluv, hsluv, lchuv, bytes) for PEX.

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import { fromXYZD65, toXYZD65 } from "./xyz.js"; import { rgbToLinear, linearToRgb, linearP3ToXyzD65, xyzD65ToLinearP3, } from "./utils.js"; /** * @typedef {number[]} p3 r, g, b values (DCI-P3 color gamut, D65 whitepoint, sRGB gamma curve). * * All components in the range 0 <= x <= 1 * @see {@link https://drafts.csswg.org/css-color/#color-conversion-code} */ /** * Updates a color based on P3 values and alpha using D65 standard illuminant. * @alias module:pex-color.fromP3 * @param {import("./color.js").color} color * @param {number} r * @param {number} g * @param {number} b * @param {number} a * @returns {import("./color.js").color} */ export function fromP3(color, r, g, b, a) { rgbToLinear(r, g, b, color); linearP3ToXyzD65(color[0], color[1], color[2], color); return fromXYZD65(color, color[0], color[1], color[2], a); } /** * Returns a P3 representation of a given color using D65 standard illuminant. * @alias module:pex-color.toP3 * @param {import("./color.js").color} color * @param {Array} out * @returns {p3} */ export function toP3(color, out = []) { toXYZD65(color, out); xyzD65ToLinearP3(out[0], out[1], out[2], out); return linearToRgb(out[0], out[1], out[2], out); }