// 辅助函数：将十六进制颜色转换为 RGB
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function hexToRgb(hex: string): [number, number, number] {
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const bigint = parseInt(hex.slice(1), 16);
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return [(bigint >> 16) & 255, (bigint >> 8) & 255, bigint & 255];
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}
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// 辅助函数：将 RGB 转换为十六进制颜色
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function rgbToHex(r: number, g: number, b: number): string {
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return `#${((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1)}`;
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}
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// 辅助函数：调整颜色亮度
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function adjustBrightness(hex: string, factor: number): string {
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const rgb = hexToRgb(hex);
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const newRgb = rgb.map((val) =>
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Math.max(0, Math.min(255, Math.round(val + (255 - val) * factor)))
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) as [number, number, number];
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return rgbToHex(...newRgb);
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}
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export function generateThemeColors(primary: string) {
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const colors: Record<string, string> = {
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primary,
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};
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// 生成浅色变体
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for (let i = 1; i <= 9; i++) {
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const factor = i * 0.1;
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colors[`primary-light-${i}`] = adjustBrightness(primary, factor);
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}
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// 生成深色变体
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colors["primary-dark-2"] = adjustBrightness(primary, -0.2);
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return colors;
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}
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export function applyTheme(colors: Record<string, string>) {
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const el = document.documentElement;
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Object.entries(colors).forEach(([key, value]) => {
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el.style.setProperty(`--el-color-${key}`, value);
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});
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}
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export function toggleDarkMode(isDark: boolean) {
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if (isDark) {
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document.documentElement.classList.add("dark");
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} else {
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document.documentElement.classList.remove("dark");
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}
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}
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