JIANG
32 lines
702 B
TypeScript
32 lines
702 B
TypeScript
export interface ParsedColor {
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r: number;
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g: number;
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b: number;
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a?: number;
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}
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/**
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* 将颜色字符串解析为包含红色、绿色、蓝色和 alpha 分量的对象。
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*/
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export function parseColor(color: string): ParsedColor {
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const match = color.match(
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/rgba?\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*([\d.]+))?\s*\)/
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);
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if (match) {
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return {
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r: parseInt(match[1], 10),
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g: parseInt(match[2], 10),
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b: parseInt(match[3], 10),
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a: match[4] ? parseFloat(match[4]) : 1,
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};
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}
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const hex = color.replace("#", "");
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return {
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r: parseInt(hex.slice(0, 2), 16),
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g: parseInt(hex.slice(2, 4), 16),
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b: parseInt(hex.slice(4, 6), 16),
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};
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}
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