@macrostrat/column-components/dist/chroma-js/src/io/css/rgb2css.js

React rendering primitives for stratigraphic columns

import "../../utils/type.js";
import unpack from "../../utils/unpack.js";
import last from "../../utils/last.js";
import hsl2css from "./hsl2css.js";
import rgb2hsl from "../hsl/rgb2hsl.js";
import lab2css from "./lab2css.js";
import rgb2lab from "../lab/rgb2lab.js";
import lch2css from "./lch2css.js";
import rgb2lch from "../lch/rgb2lch.js";
import rgb2oklab from "../oklab/rgb2oklab.js";
import oklab2css from "./oklab2css.js";
import rgb2oklch from "../oklch/rgb2oklch.js";
import oklch2css from "./oklch2css.js";
import { setLabWhitePoint, getLabWhitePoint } from "../lab/lab-constants.js";
const { round } = Math;
const rgb2css = (...args) => {
  const rgba = unpack(args, "rgba");
  let mode = last(args) || "rgb";
  if (mode.substr(0, 3) === "hsl") {
    return hsl2css(rgb2hsl(rgba), mode);
  }
  if (mode.substr(0, 3) === "lab") {
    const prevWhitePoint = getLabWhitePoint();
    setLabWhitePoint("d50");
    const cssColor = lab2css(rgb2lab(rgba), mode);
    setLabWhitePoint(prevWhitePoint);
    return cssColor;
  }
  if (mode.substr(0, 3) === "lch") {
    const prevWhitePoint = getLabWhitePoint();
    setLabWhitePoint("d50");
    const cssColor = lch2css(rgb2lch(rgba), mode);
    setLabWhitePoint(prevWhitePoint);
    return cssColor;
  }
  if (mode.substr(0, 5) === "oklab") {
    return oklab2css(rgb2oklab(rgba));
  }
  if (mode.substr(0, 5) === "oklch") {
    return oklch2css(rgb2oklch(rgba));
  }
  rgba[0] = round(rgba[0]);
  rgba[1] = round(rgba[1]);
  rgba[2] = round(rgba[2]);
  if (mode === "rgba" || rgba.length > 3 && rgba[3] < 1) {
    rgba[3] = "/ " + (rgba.length > 3 ? rgba[3] : 1);
    mode = "rgba";
  }
  return `${mode.substr(0, 3)}(${rgba.slice(0, mode === "rgb" ? 3 : 4).join(" ")})`;
};
export {
  rgb2css as default
};
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