feat: 优化选区功能，修复部分bug
This commit is contained in:
bighuixiang
@@ -67,6 +67,8 @@ import {
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} from "../utils/helper";
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import { message } from "ant-design-vue";
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import { fabric } from "fabric-with-all";
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import { getOriginObjectInfo } from "../utils/layerUtils";
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import { restoreFabricObject } from "../utils/objectHelper";
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/**
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* 图层管理器 - 负责管理画布上的所有图层
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@@ -333,52 +335,94 @@ export class LayerManager {
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});
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// 设置裁剪对象
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layers.forEach((layer) => {
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layers.forEach(async (layer) => {
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if (layer.clippingMask) {
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const activeObject = this.canvas.getActiveObject();
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if (activeObject?._objects?.length > 1) {
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console.log(activeObject?._objects?.length);
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return false; // 如果是多选对象，则不设置裁剪路径
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}
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// 反序列化 clippingMask
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const clippingMaskFabricObject = await restoreFabricObject(
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layer.clippingMask,
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this.canvas
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);
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clippingMaskFabricObject.clipPath = null;
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clippingMaskFabricObject.set({
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// 设置绝对定位
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// ...getOriginObjectInfo(layer.clippingMask), // 恢复原定位
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absolutePositioned: true,
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});
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// const activeObject = this.canvas.getActiveObject();
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// if (activeObject?._objects?.length > 1) {
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// const { object } = findObjectById(
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// this.canvas,
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// layer.clippingMask?.id
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// );
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// if (!object) return;
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// const tempClipPath = fabric.util.object.clone(object);
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// tempClipPath.clipPath = null;
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// tempClipPath.set({
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// // 设置绝对定位
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// ...getOriginObjectInfo(layer.clippingMask), // 恢复原定位
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// absolutePositioned: true,
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// });
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// activeObject.clipPath = tempClipPath;
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// // 确保选择组正确渲染
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// // activeObject.setCoords();
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// console.log(activeObject?._objects?.length);
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// return; // 如果是多选对象，则不设置裁剪路径
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// }
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// 如果是组图层 则给所有子对象设置裁剪对象
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if (layer.type === LayerType.GROUP || layer.children?.length > 0) {
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layer.children.forEach((childLayer) => {
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const { object } = findObjectById(
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this.canvas,
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layer.clippingMask?.id
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);
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if (object) {
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const tempClipPath = fabric.util.object.clone(object);
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tempClipPath.clipPath = null;
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tempClipPath.set({
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// 设置绝对定位
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// ...layer.clippingMask, // 恢复原定位
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absolutePositioned: true,
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});
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if (clippingMaskFabricObject) {
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const childObj = this.canvas
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.getObjects()
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.find((o) => o.layerId === childLayer.id);
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if (childObj) {
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childObj.clipPath = tempClipPath;
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childObj.clipPath = clippingMaskFabricObject;
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}
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}
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// const { object } = findObjectById(
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// this.canvas,
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// layer.clippingMask?.id
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// );
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// if (object) {
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// const tempClipPath = fabric.util.object.clone(object);
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// tempClipPath.clipPath = null;
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// tempClipPath.set({
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// // 设置绝对定位
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// // ...layer.clippingMask, // 恢复原定位
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// ...getOriginObjectInfo(layer.clippingMask),
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// absolutePositioned: true,
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// });
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// const childObj = this.canvas
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// .getObjects()
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// .find((o) => o.layerId === childLayer.id);
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// if (childObj) {
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// childObj.clipPath = tempClipPath;
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// }
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// }
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});
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} else {
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const { object } = findObjectById(
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this.canvas,
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layer.clippingMask?.id
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);
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if (object) {
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const tempClipPath = fabric.util.object.clone(object);
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tempClipPath.clipPath = null; // 确保克隆的遮罩没有clipPath
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tempClipPath.set({
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// 设置绝对定位
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// ...layer.clippingMask, // 恢复原定位
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absolutePositioned: true,
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});
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obj.clipPath = tempClipPath;
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}
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} else if (clippingMaskFabricObject) {
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obj.clipPath = clippingMaskFabricObject;
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}
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// {
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// // const { object } = findObjectById(
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// // this.canvas,
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// // layer.clippingMask?.id
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// // );
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// // if (object) {
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// // const tempClipPath = fabric.util.object.clone(object);
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// // tempClipPath.clipPath = null; // 确保克隆的遮罩没有clipPath
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// // tempClipPath.set({
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// // // 设置绝对定位
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// // // ...layer.clippingMask, // 恢复原定位
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// // ...getOriginObjectInfo(layer.clippingMask),
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// // absolutePositioned: true,
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// // });
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// // obj.clipPath = tempClipPath;
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// // }
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// }
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}
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});
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}
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@@ -932,17 +976,16 @@ export class LayerManager {
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// 设置激活当前图层下画布中的所有对象，并变成选择组
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setAllActiveGroupLayerCanvasObject(layer) {
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// 获取当前图层下所有元素
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let layerMask = null;
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// 选择当前组下所有画布元素
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const allObjects = layer.children.reduce((acc, child) => {
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// 如果子图层有fabricObjects，则添加到结果数组
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child?.fabricObjects?.forEach((obj) => {
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const { object } = findObjectById(this.canvas, obj.id);
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if (object) {
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if (!layerMask) {
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layerMask = fabric.util.object.clone(object.clipPath);
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}
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object.clipPath = null; // 确保克隆的遮罩没有clipPath
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// if (!layerMask) {
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// layerMask = fabric.util.object.clone(object.clipPath);
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// }
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// object.clipPath = null; // 确保克隆的遮罩没有clipPath
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acc.push(object);
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}
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});
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@@ -950,10 +993,10 @@ export class LayerManager {
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if (child?.fabricObject) {
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const { object } = findObjectById(this.canvas, child?.fabricObject.id);
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if (object) {
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if (!layerMask) {
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layerMask = fabric.util.object.clone(object.clipPath);
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}
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object.clipPath = null; // 确保克隆的遮罩没有clipPath
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// if (!layerMask) {
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// layerMask = fabric.util.object.clone(object.clipPath);
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// }
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// object.clipPath = null; // 确保克隆的遮罩没有clipPath
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acc.push(object);
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}
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}
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@@ -967,17 +1010,48 @@ export class LayerManager {
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// 如果有对象，创建选择组
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this.canvas.discardActiveObject(); // 取消当前活动对象
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this.canvas.renderAll(); // 确保画布渲染
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// const { object } = findObjectById(this.canvas, layer.clippingMask?.id);
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// 选中多个对象,不是创建组
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// 多个对象时创建活动选择组
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const activeSelection = new fabric.ActiveSelection(allObjects, {
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let activeSelection = new fabric.ActiveSelection(allObjects, {
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canvas: this.canvas,
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});
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activeSelection.clipPath = layerMask; // 保留第一个对象的裁剪路径
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// if (object) {
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// const tempClipPath = fabric.util.object.clone(object);
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// tempClipPath.clipPath = null;
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// tempClipPath.set({
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// // 设置绝对定位
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// // ...layer.clippingMask, // 恢复原定位
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// ...getOriginObjectInfo(layer.clippingMask),
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// absolutePositioned: true,
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// });
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// activeSelection.clipPath = tempClipPath; // 保留第一个对象的裁剪路径
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// }
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// // 监听选择取消事件，恢复原始裁剪路径
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// const restoreClipPaths = () => {
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// allObjects.forEach((obj) => {
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// if (obj._originalClipPath !== undefined) {
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// obj.clipPath = obj._originalClipPath;
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// delete obj._originalClipPath;
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// }
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// });
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// this.canvas.off("selection:cleared", restoreClipPaths);
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// this.canvas.off("selection:updated", restoreClipPaths);
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// };
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// this.canvas.on("selection:cleared", restoreClipPaths);
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// this.canvas.on("selection:updated", restoreClipPaths);
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// 设置活动选择组的属性
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this.canvas.setActiveObject(activeSelection);
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this.canvas.renderAll();
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activeSelection = null; // 清理引用，避免内存泄漏
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// 确保选择组正确渲染
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// activeSelection.setCoords();
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}
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}
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