fix

src/component/Canvas/CanvasEditor/utils/helper.js

@@ -933,6 +933,23 @@ export function calculateCenterPoint(W, H, currentX, currentY, currentAngleDeg)
 	const Cy = currentY + (W / 2) * sinCurrent + (H / 2) * cosCurrent;
 	return { x: Cx, y: Cy };
 }
+/**
+ * 根据中心点坐标计算左上角坐标
+ * @param {number} W - 宽度
+ * @param {number} H - 高度
+ * @param {number} centerX - 中心点x坐标
+ * @param {number} centerY - 中心点y坐标
+ * @param {number} currentAngleDeg - 当前角度(度)
+ * @returns {Object} 左上角坐标 {x, y}
+*/
+export function calculateTopLeftPoint(W, H, centerX, centerY, currentAngleDeg) {
+	const currentAngle = (currentAngleDeg * Math.PI) / 180;
+	const cosCurrent = Math.cos(currentAngle);
+	const sinCurrent = Math.sin(currentAngle);
+	const Cx = centerX + (W / 2) * cosCurrent - (H / 2) * sinCurrent;
+	const Cy = centerY + (W / 2) * sinCurrent + (H / 2) * cosCurrent;
+	return { x: Cx, y: Cy };
+}