import { ElMessage } from 'element-plus'; /** * hex颜色转rgb颜色 * @param str 颜色值字符串 * @returns 返回处理后的颜色值 */ export function hexToRgb(str: any) { let hexs: any = ''; let reg = /^\#?[0-9A-Fa-f]{6}$/; if (!reg.test(str)) return ElMessage.warning('输入错误的hex'); str = str.replace('#', ''); hexs = str.match(/../g); for (let i = 0; i < 3; i++) hexs[i] = parseInt(hexs[i], 16); return hexs; } /** * rgb颜色转Hex颜色 * @param r 代表红色 * @param g 代表绿色 * @param b 代表蓝色 * @returns 返回处理后的颜色值 */ export function rgbToHex(r: any, g: any, b: any) { let reg = /^\d{1,3}$/; if (!reg.test(r) || !reg.test(g) || !reg.test(b)) return ElMessage.warning('输入错误的rgb颜色值'); let hexs = [r.toString(16), g.toString(16), b.toString(16)]; for (let i = 0; i < 3; i++) if (hexs[i].length == 1) hexs[i] = `0${hexs[i]}`; return `#${hexs.join('')}`; } /** * 加深颜色值 * @param color 颜色值字符串 * @param level 加深的程度,限0-1之间 * @returns 返回处理后的颜色值 */ export function getDarkColor(color: string, level: number) { let reg = /^\#?[0-9A-Fa-f]{6}$/; if (!reg.test(color)) return ElMessage.warning('输入错误的hex颜色值'); let rgb = hexToRgb(color); for (let i = 0; i < 3; i++) rgb[i] = Math.floor(rgb[i] * (1 - level)); return rgbToHex(rgb[0], rgb[1], rgb[2]); } /** * 变浅颜色值 * @param color 颜色值字符串 * @param level 加深的程度,限0-1之间 * @returns 返回处理后的颜色值 */ export function getLightColor(color: string, level: number) { let reg = /^\#?[0-9A-Fa-f]{6}$/; if (!reg.test(color)) return ElMessage.warning('输入错误的hex颜色值'); let rgb = hexToRgb(color); for (let i = 0; i < 3; i++) rgb[i] = Math.floor((255 - rgb[i]) * level + rgb[i]); return rgbToHex(rgb[0], rgb[1], rgb[2]); }