1

2026-09-24 16:25:22 +08:00
commit 7428184f01
1198 changed files with 314515 additions and 0 deletions
@@ -0,0 +1,58 @@
+import { RGBA } from "../interface";
+export function hexToRgb(sColors : string) : RGBA | null {
+	if (sColors == "") {
+		return null
+	}
+	let reg = /^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3}|[A-Fa-f0-9]{8})$/;
+	let sColor : string = sColors.toLowerCase();
+
+	if (sColor != '' && reg.test(sColor)) {
+		if (sColor.length == 4) {
+			let sColorNew = "#";
+			for (let i = 1; i < 4; i += 1) {
+				sColorNew += sColor.slice(i, i + 1).concat(sColor.slice(i, i + 1));
+			}
+			sColor = sColorNew;
+		}
+
+		//处理六位的颜色值
+		let sColorChange : number[] = [];
+		sColorChange.push(parseInt(sColor.substring(1, 3), 16));
+		sColorChange.push(parseInt(sColor.substring(3, 5), 16));
+		sColorChange.push(parseInt(sColor.substring(5, 7), 16));
+		if (sColor.length == 9) {
+			sColorChange.push(parseInt(sColor.substring(7, 9), 16) / 255);
+		}
+		return {
+			r: sColorChange[0],
+			g: sColorChange[1],
+			b: sColorChange[2],
+			a: sColorChange.length == 4 ? sColorChange[3] : 1
+		} as RGBA
+	} else if (/^(rgb|RGB|rgba|RGBA)/.test(sColor)) {
+		let arr : string[] = sColor.replace(/(?:\(|\)|rgba|rgb|RGB|RGBA)*/g, "").split(",")
+		let p : number[] = arr.map((val : string) : number => parseInt(val));
+		
+		if (p.length < 3) {
+			return {
+				r: 0,
+				g: 0,
+				b: 0,
+				a: 1
+			} as RGBA
+		}
+		if (p.length == 3) {
+			p.add(1)
+			
+		}
+		
+		return {
+			r: p[0],
+			g: p[1],
+			b: p[2],
+			a: arr.length==3?p[3]:parseFloat(arr[3])
+		} as RGBA
+	}
+
+	return null;
+}