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| /*
| * @Date: 2024-03-23 09:49:06
| * @LastEditors: gaoshp
| * @LastEditTime: 2024-10-03 18:22:32
| * @FilePath: /cps-web/src/utils/color.js
| */
| // import seedrandom from 'seedrandom'
| export default {
| //hex颜色转rgb颜色
| HexToRgb(str) {
| str = str.replace("#", "")
| var hxs = str.match(/../g)
| for (var i = 0; i < 3; i++) hxs[i] = parseInt(hxs[i], 16)
| return hxs
| },
| //rgb颜色转hex颜色
| RgbToHex(a, b, c) {
| var hexs = [a.toString(16), b.toString(16), c.toString(16)]
| for (var i = 0; i < 3; i++) {
| if (hexs[i].length == 1) hexs[i] = "0" + hexs[i]
| }
| return "#" + hexs.join("");
| },
| //加深
| darken(color, level) {
| var rgbc = this.HexToRgb(color)
| for (var i = 0; i < 3; i++) rgbc[i] = Math.floor(rgbc[i] * (1 - level))
| return this.RgbToHex(rgbc[0], rgbc[1], rgbc[2])
| },
| //变淡
| lighten(color, level) {
| var rgbc = this.HexToRgb(color)
| for (var i = 0; i < 3; i++) rgbc[i] = Math.floor((255 - rgbc[i]) * level + rgbc[i])
| return this.RgbToHex(rgbc[0], rgbc[1], rgbc[2])
| },
| stringToColor(id) {
| const cssColorNames = [
| 'yellow',
| 'red',
| 'orange',
| 'purple',
| 'brown',
| 'green'
| ];
| const rng = new Math.seedrandom(id);
|
| // 生成一个0到1之间的随机数
| const randomNumber = rng();
|
| // 将随机数映射到140以内的整数范围内
| return cssColorNames[Math.floor(randomNumber * (cssColorNames.length - 1))];
|
| }
| }
|
|
