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refactor(es modules): migrate colorUtils

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Azgaar 2022-06-26 01:49:41 +03:00
parent 364f33975f
commit b425a9daf6
12 changed files with 63 additions and 49 deletions
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33
utils/colorUtils.js
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@ -1,33 +0,0 @@
"use strict";
// FMG utils related to colors
// convert RGB color string to HEX without #
function toHEX(rgb) {
if (rgb.charAt(0) === "#") return rgb;
rgb = rgb.match(/^rgba?[\s+]?\([\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?/i);
return rgb && rgb.length === 4
? "#" +
("0" + parseInt(rgb[1], 10).toString(16)).slice(-2) +
("0" + parseInt(rgb[2], 10).toString(16)).slice(-2) +
("0" + parseInt(rgb[3], 10).toString(16)).slice(-2)
: "";
}
// return array of standard shuffled colors
function getColors(number) {
const c12 = ["#dababf", "#fb8072", "#80b1d3", "#fdb462", "#b3de69", "#fccde5", "#c6b9c1", "#bc80bd", "#ccebc5", "#ffed6f", "#8dd3c7", "#eb8de7"];
const cRB = d3.scaleSequential(d3.interpolateRainbow);
const colors = d3.shuffle(d3.range(number).map(i => (i < 12 ? c12[i] : d3.color(cRB((i - 12) / (number - 12))).hex())));
return colors;
}
function getRandomColor() {
return d3.color(d3.scaleSequential(d3.interpolateRainbow)(Math.random())).hex();
}
// mix a color with a random color
function getMixedColor(color, mix = 0.2, bright = 0.3) {
const c = color && color[0] === "#" ? color : getRandomColor(); // if provided color is not hex (e.g. harching), generate random one
return d3.color(d3.interpolate(c, getRandomColor())(mix)).brighter(bright).hex();
}