Merge remote-tracking branch 'upstream/main'

frontend/node_modules/zrender/src/graphic/shape/Circle.ts

@@ -0,0 +1,38 @@
+/**
+ * 圆形
+ */
+
+import Path, { PathProps } from '../Path';
+
+export class CircleShape {
+    cx = 0
+    cy = 0
+    r = 0
+}
+
+export interface CircleProps extends PathProps {
+    shape?: Partial<CircleShape>
+}
+class Circle extends Path<CircleProps> {
+
+    shape: CircleShape
+
+    constructor(opts?: CircleProps) {
+        super(opts);
+    }
+
+    getDefaultShape() {
+        return new CircleShape();
+    }
+
+    buildPath(ctx: CanvasRenderingContext2D, shape: CircleShape) {
+        // Use moveTo to start a new sub path.
+        // Or it will be connected to other subpaths when in CompoundPath
+        ctx.moveTo(shape.cx + shape.r, shape.cy);
+        ctx.arc(shape.cx, shape.cy, shape.r, 0, Math.PI * 2);
+    }
+};
+
+Circle.prototype.type = 'circle';
+
+export default Circle;