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2026-10-17 12:09:36 -04:00
commit 56046a63fc
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+import { Factory } from "../Factory.js";
+import { Shape } from "../Shape.js";
+import { getNumberValidator } from "../Validators.js";
+import { _registerNode } from "../Global.js";
+const PIx2 = Math.PI * 2;
+/**
+ * Ring constructor
+ * @constructor
+ * @augments Konva.Shape
+ * @memberof Konva
+ * @param {Object} config
+ * @param {Number} config.innerRadius
+ * @param {Number} config.outerRadius
+ * @@shapeParams
+ * @@nodeParams
+ * @example
+ * var ring = new Konva.Ring({
+ *   innerRadius: 40,
+ *   outerRadius: 80,
+ *   fill: 'red',
+ *   stroke: 'black',
+ *   strokeWidth: 5
+ * });
+ */
+export class Ring extends Shape {
+    _getStrokePadding() {
+        return super._getStrokePadding(1);
+    }
+    _sceneFunc(context) {
+        const innerRadius = Math.abs(this.innerRadius()), outerRadius = Math.abs(this.outerRadius());
+        context.beginPath();
+        context.arc(0, 0, innerRadius, 0, PIx2, false);
+        context.moveTo(outerRadius, 0);
+        context.arc(0, 0, outerRadius, PIx2, 0, true);
+        context.closePath();
+        context.fillStrokeShape(this);
+    }
+    getSelfRect() {
+        const radius = Math.max(Math.abs(this.innerRadius()), Math.abs(this.outerRadius()));
+        return { x: -radius, y: -radius, width: radius * 2, height: radius * 2 };
+    }
+    getWidth() {
+        return Math.abs(this.outerRadius()) * 2;
+    }
+    getHeight() {
+        return Math.abs(this.outerRadius()) * 2;
+    }
+    setWidth(width) {
+        this.outerRadius(width / 2);
+    }
+    setHeight(height) {
+        this.outerRadius(height / 2);
+    }
+}
+Ring.prototype.className = 'Ring';
+Ring.prototype._centroid = true;
+Ring.prototype._attrsAffectingSize = ['innerRadius', 'outerRadius'];
+_registerNode(Ring, true);
+/**
+ * get/set innerRadius
+ * @method
+ * @name Konva.Ring#innerRadius
+ * @param {Number} innerRadius
+ * @returns {Number}
+ * @example
+ * // get inner radius
+ * var innerRadius = ring.innerRadius();
+ *
+ * // set inner radius
+ * ring.innerRadius(20);
+ */
+Factory.addGetterSetter(Ring, 'innerRadius', 0, getNumberValidator());
+/**
+ * get/set outerRadius
+ * @name Konva.Ring#outerRadius
+ * @method
+ * @param {Number} outerRadius
+ * @returns {Number}
+ * @example
+ * // get outer radius
+ * var outerRadius = ring.outerRadius();
+ *
+ * // set outer radius
+ * ring.outerRadius(20);
+ */
+Factory.addGetterSetter(Ring, 'outerRadius', 0, getNumberValidator());