feat: 添加控笔页

miniprogram/chinesePages/shared/drawUtils.ts

@@ -42,10 +42,10 @@ export function getScalingTransform(
 }
 
 /**
- * SVG 路径解析与绘制（支持 M/L/Q/Z 命令）
+ * SVG 路径解析与绘制（支持 M/L/Q/C/Z 命令）
  */
 export function drawSvgPath(ctx: RenderingContext, pathD: string) {
-    const commandRegex = /([MLQZ])([^MLQZ]*?)(?=[MLQZ]|$)/gi;
+    const commandRegex = /([MLQCZ])([^MLQCZ]*?)(?=[MLQCZ]|$)/gi;
     const commands: Array<{ cmd: string; coords: string }> = [];
     let match;
     while ((match = commandRegex.exec(pathD)) !== null) {
@@ -69,6 +69,11 @@ export function drawSvgPath(ctx: RenderingContext, pathD: string) {
             case 'Q':
                 if (v.length >= 4) ctx.quadraticCurveTo(v[0], v[1], v[2], v[3]);
                 break;
+            case 'C':
+                if (v.length >= 6) {
+                    ctx.bezierCurveTo(v[0], v[1], v[2], v[3], v[4], v[5]);
+                }
+                break;
             case 'Z':
                 ctx.closePath();
                 break;