aida_front/src/tool/canvasGeneralCopy.js

import { 
	exportSele,
	JSRectUpdata,
	JSchangeType,
	JScanvasMouseDown,
	JScanvasMouseMove,
	JScreateCheck,
	JSSetTexture,
	JSSetRemoveImage,
 } from "@/tool/canvasDrawingCopy";
import { getMousePosition } from "@/tool/mdEvent";
import { file } from "jszip";
class MyCanvas {
	canvas=null
	constructor() {
		this.pencilList = {
			textFontFamilyList:[
				{ value: 'Arial', name: 'select font' },
				{ value: 'EN_slogan_art1', name: 'select font' },
				{ value: 'EN_slogan_art2', name: 'select font' },
				{ value: 'EN_slogan_art3', name: 'select font' },
				{ value: 'EN_slogan_art4', name: 'select font' },
				{ value: 'EN_slogan_art5', name: 'select font' },
				{ value: 'EN_slogan_art6', name: 'select font' },
				{ value: 'EN_slogan_art7', name: 'select font' },
				{ value: '微软雅黑', name: '请选择字体' },
				{ value: 'CN_slogan_art1', name: '请选择字体' },
				{ value: 'CN_slogan_art2', name: '请选择字体' },
				{ value: 'CN_slogan_art3', name: '请选择字体' },
				{ value: 'CN_slogan_art4', name: '请选择字体' },
				{ value: '华文行楷', name: '请选择字体' },
				{ value: '隶书', name: '请选择字体' },
			],
			brushList:[
				{
					value:'PencilBrush',
					url:'/image/brush/PencilBrush.jpg'
				},{
					value:'Marking',
					url:'/image/brush/PencilBrush-2.jpg'
				},{
					value:'InkBrush',
					url:'/image/brush/InkBrush.jpg'
				},{
					value:'CrayonBrush',
					url:'/image/brush/CrayonBrush.jpg'
				},{
					value:'RibbonBrush',
					url:'/image/brush/RibbonBrush.jpg'
				},{
					value:'MarkerBrush',
					url:'/image/brush/MarkerBrush.jpg'
				},{
					value:'WritingBrush',
					url:'/image/brush/WritingBrush.jpg'
				},{
					value:'LongfurBrush',
					url:'/image/brush/LongfurBrush.jpg'
				},{
					value:'SpraypaintBrush',
					url:'/image/brush/SpraypaintBrush.jpg'
				},
			]
		}
		this.canvasDomParent = null;
		this.canvas = MyCanvas.canvas;
		this.addPresent = {}
		this.canvasWH={
			width:0,
			height:0,
		}
		this.createPatterning = {//创建图形
			state:false,
			content:null,
			current:null,	//临时图形
			polyLineBtn:null,
			textDataShow:false,
		}
		this.mouse = {
			point:null,
			upPoint:null,
			isMovePostion:false,
			isDown:false,
			lastPosX:0,
			lastPosY:0,
		}
		this.keyboard={
			down:[]			
		}
		this.pencilbtnStyle ={//笔触图形
			background:'',
			width:0+'px',
			height:0+'px',
			display:'none',
			left:0+'px',
			top:0+'px',
		}
		this.layer = {
			list:[],
			selectLayer:{
				group:null,
				id:-1,
			},
			currentIndex:0,
		}
		this.liquefaction = {
			img:null,
			type:'',
			dashed:null,
		}
		this.clipPath = {
			isImg:false,
			img:null,
			clipGroup:null
		}
		this.dashed = {
			state:false,//用来判断鼠标是否移入dashed 如果移入就变为可拖拽
			isDrawingMode:false,//用来获取移入前是否是绘画模式
		}
		this.fontFamily = this.pencilList.textFontFamilyList[0].value
		this.createText=null
		this.pencilBtn = null;
		this.pencilType = null;
		this.canvasPencilColor = '#000000'
		this.colorHistoryList = ['rgb(0, 0, 0)']

		this.keyDown = [];//键盘按下
		this.oldOperation = ''
		//笔触
		this.brushwork = {
			value:'PencilBrush',
			width:{},
			color:'#000000',
			texture:0,
		}
		this.texture={
			value:0,
			list:[],
		}
		for (let index = 0; index < 20; index++) {
			this.texture.list.push({value:index,url:`/image/texture/texture${index}.webp`})
		}

		this._clipboard = null; //剪切板
		this.isLoadCanvas = false//撤回或者反撤回false为撤回
		this.reverseCanvasState=[];//撤回
		this.normalCanvasState=[];//反撤回
		this.canvasState = {}//当前内容
		this.operation = 'movePosition'
		this.operationMode = 'fill'
		this.setTimeOut = {//定时器
			color:null,
			width:null,
			colorHistory:null,
			canvasWH:null,
			updataLayer:null,
		}//给切换颜色设置防抖
		
	}
	async canvasInit (dom, val){//初始化
		this.canvasClear()
		this.canvasWH = val
		
		this.canvasDomParent = dom;
		var canvasDom = document.createElement("canvas");
		this.canvasDomParent.appendChild(canvasDom);

		MyCanvas.canvas = new fabric.Canvas(canvasDom, {
			backgroundColor: "rgba(230, 230, 230)",
			width: this.canvasWH.width,
			height: this.canvasWH.height,
			isDrawingMode: val.isDrawingMode, // 开启绘图模式
			selectionFullyContained: true,
			selectionKey:'ctrlKey',
			includeDefaultValues: false,//尚未测试 精简导出JSON
			// freeDrawingCursor: 'none',
			preserveObjectStacking:true,
		});
		// MyCanvas.canvas.freeDrawingCursor= 'none'

		this.initCanvasWH('init')
		fabric.Object.prototype.cornerSize = 10//选中后的操作按钮大小
		fabric.Object.prototype.transparentCorners = false //实心
		if(!fabric.Object.prototype.controls.deleteControl){//设置元素删除
			JSSetRemoveImage(this.deleteObject.bind(this))
		}else{
			fabric.Object.prototype.controls.deleteControl.mouseUpHandler = this.deleteObject.bind(this)
		}
		MyCanvas.canvas.on("object:modified", (event)=>{
			this.updateCanvasState('')
			this.updataLayer()
		});
		this.canvasKeyDown = this.canvasKeyDown.bind(this);
        this.canvasKeyUp = this.canvasKeyUp.bind(this);
		// let rect1 = new fabric.Rect({
		// 	left: 0,
		// 	top: 0,
		// 	width: 500,
		// 	height: 500,
		// 	fill: "red",
		// });
		// MyCanvas.canvas.add(rect1)
		// rect1.on('mouseover', function() {
		// 	// rect1.set({ fill: 'green' });  // 鼠标移入时改变颜色为绿色
		// 	// canvas.renderAll();  // 重新渲染画布
		// });
	
		// // 为矩形添加 mouseleave 事件
		// rect1.on('mouseout', function() {
		// 	// rect1.set({ fill: 'blue' });  // 鼠标移出时恢复颜色为蓝色
		// 	// canvas.renderAll();  // 重新渲染画布
		// });
		// return
		// rect1.filters.push(new fabric.Image.filters.Grayscale())
		// MyCanvas.canvas.add(rect1)
		// // MyCanvas.canvas.add(rect1)
		// let rect = new fabric.Rect({
		// 	left: 0,
		// 	top: 0,
		// 	width: MyCanvas.canvas.width,
		// 	height: MyCanvas.canvas.height,
		// 	inverted:true,
		// 	fill: "red",
		// });
		// // let rect2 = new fabric.Rect({
		// // 	width: MyCanvas.canvas.width,
		// // 	height: MyCanvas.canvas.height,
		// // 	fill:'#FFF'
		// // });
		// // // MyCanvas.canvas.add(rect2)
		// fabric.Image.fromURL('https://www.minio.aida.com.hk:12024/aida-collection-element/83/Moodboard/7a5fec0f-5a8c-4f1e-80c0-c4cda335d7c5.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=admin%2F20241112%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20241112T060752Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=25c5fa23dc447d1d06b4efeeec23454c797219df9c45d2cec231d0c8372754ce',(img)=>{
		// 	let scale = {
		// 		X:MyCanvas.canvas.width/img.width,
		// 		Y:MyCanvas.canvas.height/img.height
		// 	}
		// 	rect.set({
		// 		fill: new fabric.Pattern({
		// 			source: img.getElement(),  // 传入图片元素
		// 			repeat: 'no-repeat'        // 设置图片不重复
		// 		}),
		// 		clipPath : rect1
		// 	})
		// 	img.set({
		// 		scaleX:scale.X,
		// 		scaleY:scale.Y,
		// 		left:0,
		// 		top:0,
		// 	})
		// 	MyCanvas.canvas.add(rect)
		// },{ crossOrigin: "Anonymous" })
		// // // MyCanvas.canvas.add(rect1)
		// // // rect1.clipPath = group
		// // // MyCanvas.canvas.forEachObject((item) =>{
		// // // 	if(item.clipPath){
		// // // 		item.clipPath.add(rect2)
		// // // 		// item.clipPath = group
		// // // 	}
		// // // })
		// return

		MyCanvas.canvas.on("mouse:move", this.setCanvasMove.bind(this));
		MyCanvas.canvas.on("mouse:down",this.setCanvasDown.bind(this));
		MyCanvas.canvas.on("mouse:up",this.setCanvasUp.bind(this));
		MyCanvas.canvas.on("mouse:wheel",this.setCanvasWheel.bind(this));
		//双击
		MyCanvas.canvas.on("mouse:dblclick", event=>{
			if(this.operation == 'fold'){
				this.foldEnd('Enter')
			}
		});
		document.addEventListener('mousemove', this.mouseMove.bind(this));
		document.addEventListener('touchmove', this.touchmove.bind(this));
		document.addEventListener("keydown", this.canvasKeyDown);
		document.addEventListener("keyup", this.canvasKeyUp);
		initAligningGuidelines(MyCanvas.canvas, true);
		JSchangeType(MyCanvas.canvas,'init')
		// await this.createBg()
		await this.createLayer({str:'init'})//创建图层并且使用
		MyCanvas.canvas.on("object:added", (event)=>{
			this.addLayer(event)
		});
		this.canvas = MyCanvas.canvas;
		return MyCanvas.canvas
	}
	initCanvasWH(str){
		let scale
		if(this.canvasWH.width>this.canvasWH.height)scale = this.canvasDomParent.offsetWidth / this.canvasWH.width
		if(this.canvasWH.width<this.canvasWH.height)scale = this.canvasDomParent.offsetHeight / this.canvasWH.height
		if(this.canvasWH.width == this.canvasWH.height)scale = this.canvasDomParent.offsetHeight / this.canvasWH.height
		let x = this.canvasWH.width / 2
		let y = this.canvasWH.height / 2
		if(str == 'updata'){
			x = 0
			y = 0
			const vpt = MyCanvas.canvas.viewportTransform;
			vpt[4] = 0; // 更新水平偏移
			vpt[5] = 0; // 更新垂直偏移
		}
		MyCanvas.canvas.zoomToPoint(
			{ // 关键点
			x: x,
			y: y
			},
			scale
		)
		MyCanvas.canvas.setBackgroundColor({
			source:'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAAA3NCSVQICAjb4U/gAAAABlBMVEXMzMz////TjRV2AAAACXBIWXMAAArrAAAK6wGCiw1aAAAAHHRFWHRTb2Z0d2FyZQBBZG9iZSBGaXJld29ya3MgQ1M26LyyjAAAABFJREFUCJlj+M/AgBVhF/0PAH6/D/HkDxOGAAAAAElFTkSuQmCC',
			repeat: 'repeat',
			},MyCanvas.canvas.renderAll.bind(MyCanvas.canvas),
		)
	}
	mouseMove(event){
		let e = getMousePosition(event,false)
		this.setDomMove(e)
	}
	touchmove(event){
		let e = getMousePosition(event,true)
		this.setDomMove(e)
	}
	setDomMove(event){
		let canvasCenterBox = this.canvasDomParent;
		if(!canvasCenterBox)return
		let parentX = event.clientX - canvasCenterBox.getBoundingClientRect().left
		let parentY = event.clientY - canvasCenterBox.getBoundingClientRect().top
		this.pencilbtnStyle.left = parentX + "px"
		this.pencilbtnStyle.top =  parentY+'px'
	}
	//设置操作
	setOperation(str){

		this.operation = str
		MyCanvas.canvas.discardActiveObject();//取消所有选中边框
		if(this.createPatterning.state){
			MyCanvas.canvas.remove(this.createPatterning.current)
		}
		this.removeSetText()
		initAligningGuidelines(MyCanvas.canvas,false)
		MyCanvas.canvas.remove(this.createPatterning.polyLineBtn)
		if(str == 'pencil'){
			this.setPencil()
			this.pencilbtnStyle.display = `block`
			this.setCursor('none');
			MyCanvas.canvas.freeDrawingCursor = 'none'
		}else if(str == 'move'){
			JSchangeType(MyCanvas.canvas,'')
			MyCanvas.canvas.isDrawingMode = false
			this.pencilbtnStyle.display = `none`
			this.setCursor('grab');
		}else if(str == 'movePosition'){
			JSchangeType(MyCanvas.canvas,'init')
			initAligningGuidelines(MyCanvas.canvas,true)
			this.setMove()
			this.pencilbtnStyle.display = `none`
			this.setCursor('all-scroll');
			MyCanvas.canvas.isDrawingMode = false
		}else if(str == 'texture'){
			this.setTexture()
			this.pencilbtnStyle.display = `block`
			MyCanvas.canvas.freeDrawingCursor = 'none'
			this.setCursor('none');
		}else if(str == 'eraser'){
			this.setEraser()
			this.pencilbtnStyle.display = `block`
			MyCanvas.canvas.freeDrawingCursor = 'none'
			this.setCursor('none');
		}else if(str == 'text'){
			this.setMove()
			this.setText()
			JSchangeType(MyCanvas.canvas,'init')
			this.setCursor('text')
			this.pencilbtnStyle.display = `none`
		}else if(['zoomIn', 'zoomOut'].includes(str)){
			this.pencilbtnStyle.display = `none`
			if(str == 'zoomIn')this.setCursor('zoom-in');
			if(str == 'zoomOut')this.setCursor('zoom-out');
			MyCanvas.canvas.isDrawingMode = false
			MyCanvas.canvas.forEachObject((obj) =>{
				if(obj.type != 'group' && !obj.isType('path')){
					obj.selectable = false
				}
			});
		}else if(['dashedPencil', 'dashed'].includes(str)){
			this.setGroupGrid('all')
			MyCanvas.canvas.isDrawingMode = false
			this.pencilbtnStyle.display = `none`
			this.setCursor('crosshair')
			MyCanvas.canvas.freeDrawingCursor = 'crosshair'
			if(str == 'dashedPencil')this.setDashedPencil()
			MyCanvas.canvas.forEachObject((obj) =>{
				if(obj.type != 'group' && !obj.isType('path')){
					obj.selectable = false
				}
			});
		}else if(str){
			this.pencilbtnStyle.display = `none`
			this.setCursor('auto');
			MyCanvas.canvas.isDrawingMode = false
			MyCanvas.canvas.forEachObject((obj) =>{
				if(obj.type != 'group' && !obj.isType('path')){
					obj.selectable = false
				}
			});
		}
		if(str == 'dashed' || str == 'dashedPencil'){
		// if(str == 'dashed' || str == 'dashedPencil' || str != 'movePosition'){
			if(this.layer.selectLayer.group.custom.groupType == 'Grid')this.setGroupGrid('all')
			this.clipPath = {
				isImg:false,
				clipGroup:null,
				img:null,
			}
		}
	}
	setCursor(str){
		MyCanvas.canvas.defaultCursor = str;
		MyCanvas.canvas.moveCursor = str;
		MyCanvas.canvas.hoverCursor = str;
		MyCanvas.canvas.upperCanvasEl.style.cursor = str;
	}
	setCanvasMove = (event)=>{
		
		if(this.mouse.isMovePostion && this.operation == 'move') return this.setCanvasPosition(event)
		if(MyCanvas.canvas.isDrawingMode){
		}else{
			let getActiveObject = MyCanvas.canvas.getActiveObject()
			if(
				!this.clipPath.isImg && 
				this.mouse.isDown && 
				getActiveObject && 
				getActiveObject.custom.dashed && 
				this.layer.selectLayer.group.custom?.groupType == 'Grid' &&
				this.operation == 'movePosition'
			){
				this.setclipPathImg()
			}
			if(this.createPatterning.state){
				let str = this.operation
				if(this.operation == 'dashed')str = 'rect'
	 			JScanvasMouseMove(str,event,this.createPatterning.current,this.mouse.point,this.keyboard.down)
				MyCanvas.canvas.requestRenderAll()
	 		}
		}
	}
	setCanvasPosition(event){
		const e = event;
		const vpt = MyCanvas.canvas.viewportTransform;

		vpt[4] += e.pointer.x - this.mouse.lastPosX; // 更新水平偏移
		vpt[5] += e.pointer.y - this.mouse.lastPosY; // 更新垂直偏移

		MyCanvas.canvas.requestRenderAll(); // 请求重绘画布
		this.mouse.lastPosX = e.pointer.x;
		this.mouse.lastPosY = e.pointer.y;
	}
	// setRemoveDashed(){
	// 	MyCanvas.canvas.forEachObject((obj) =>{
	// 		if(obj.custom.dashed && obj._objects){
	// 			let rect = obj._objects.filter(item => item.type == 'rect')[0]
	// 			obj.remove(rect)
	// 			MyCanvas.canvas.renderAll();
	// 		}
	// 	});
	// }
	//设置再画布上按下
	setCanvasDown(event){
		if(event.target && event.target.custom?.dashed && ['dashedPencil', 'dashed'].includes(this.operation)){
			// if(MyCanvas.canvas.isDrawingMode){
			// 	MyCanvas.canvas.isDrawingMode = false;
			// }
			this.dashed.state = true
		}else if(!event.target?.custom?.dashed){
			// if(['dashedPencil'].includes(this.operation)){
			// 	MyCanvas.canvas.isDrawingMode = true;
			// }
			this.dashed.state = false
		}
		let dashedGroup = MyCanvas.canvas.getObjects().filter(obj => obj?.custom?.dashed)[0];
		if(this.dashed.state && (this.operation == 'dashed' || this.operation == 'dashedPencil') && dashedGroup)return
		if(!this.dashed.state && (this.operation == 'dashed' || this.operation == 'dashedPencil') && !event.target?.custom?.dashed && dashedGroup){
			MyCanvas.canvas.remove(dashedGroup)
		}
		if(this.operation == 'movePosition' && !event?.target?.custom?.dashed && this.layer.selectLayer.group.custom.groupType == 'Grid')this.setGroupGrid('all');

		//设置移动端按下添加元素
		this.mouse.isDown = true
		this.mouse.lastPosX = event.pointer.x;
		this.mouse.lastPosY = event.pointer.y;
		if(this.operation == 'move'){
			this.mouse.isMovePostion = true;
			this.setCursor('grabbing');
			return
		}
		if(this.operation == 'zoomIn' || this.operation == 'zoomOut'){
			this.setCanvasZoom(event)
			return
		}
		// this.setRemoveDashed()
		if(this.addPresent.upScaleChecked){//创建元素
			this.present.upScaleChecked = false
			this.present = {}
			let pointerVpt = canvas.restorePointerVpt(event.pointer)
			switch (currentType.value.type) {
				case 'colorBoards':
					let rect = setGroup(currentType.value.data)
					setCanvasColor(pointerVpt.y, pointerVpt.x,rect)
				break
				default :
					createImage(pointerVpt.y, pointerVpt.x,currentType.value.type)
				break
			}
			// 创建完元素，把当前操作的元素类型设置回 null
			currentType.value.type = null
			currentType.value.data = null
		}
		this.mouse.point = event.absolutePointer
		let arr = ['rect','line','circle','triangle','ellipse','fold','dashed']
		if(arr.indexOf(this.operation) > -1){
			JSchangeType(MyCanvas.canvas,this.operation)
			this.createPatterning.state = true
			MyCanvas.canvas.forEachObject((obj) =>{
				obj.set('selectable', false);  // 禁用选中
			});
			if(this.createPatterning.current && this.operation == 'fold'){
				MyCanvas.canvas.skipTargetFind = false
				this.createPatterning.current.points.push({
					x: this.mouse.point.x,
					y: this.mouse.point.y
				})
			}else{
				let width = this.brushwork.width[this.operation]?this.brushwork.width[this.operation]:20
				let data = {
					str:this.operation,
					width,
					selectable:true,
				}
				if(this.operation == 'dashed'){
					width = 1 / MyCanvas.canvas.getZoom()
					data = {
						fill:'transparent',
						strokeDashArray: [width*3, width*3],
						width,
						radius:0,
						str:'rect',
						selectable:true,
					}
				}else if(this.operation == 'rect'){
					data.width = 0
				}
				this.createPatterning.current = JScanvasMouseDown(event,data)
				if(this.operation == 'dashed')this.createPatterning.current.set({custom:{dashed:true}})
				MyCanvas.canvas.add(this.createPatterning.current)
				if(this.operation == 'fold'){
					this.createPatterning.polyLineBtn = JScreateCheck(event)
					this.createPatterning.polyLineBtn.on('mousedown',this.foldEnd.bind(this))
					MyCanvas.canvas.add(this.createPatterning.polyLineBtn)
				}
			}
		}else{
			// var clickedObject = event.target;
			// if (clickedObject instanceof fabric.Textbox && this.operation != 'text') {
			// 	this.createPatterning.textDataShow = true
			// 	this.createText = clickedObject
			// 	console.log(1);
			// }else{
			// 	console.log(2);
			// 	this.createPatterning.textDataShow = false
			// 	this.createText = {}
			// }
			// this.createPatterning.state = false
		}
	}
	setTextData(obj){
		this.fontFamily = obj.fontFamily
		this.brushwork.width['text'] = obj.fontSize
		this.brushwork.color = obj.fill
	}
	async setCanvasUp(event){
		this.mouse.isDown = false
		if(this.mouse.isMovePostion){
			this.mouse.isMovePostion = false
			this.setCursor('grab');
			return
		}
		if(this.operation == 'eraser')return this.updataLayer()
		this.mouse.upPoint = event.absolutePointer
		if(MyCanvas.canvas.isDrawingMode){
			setTimeout(() => {
				// pencilbtnStyle.value.display = `none`
				this.updateCanvasState()
			}, 100);
		}else{
			// event.target && (event.target.bringToFront())//设置优先级
		}
		if(this.createPatterning.state){
			switch (this.operation) {
				case 'line':
					this.createPatterning.current.set({stroke: this.brushwork.color})
				break
				case 'fold':
					// this.createPatterning.current.set({stroke: this.brushwork.color})
				break
				default :
					if(JSON.stringify(this.mouse.point) == JSON.stringify(this.mouse.upPoint)){
						MyCanvas.canvas.remove(this.createPatterning.current)
						return
					}
					if(this.operation == 'dashed'){

						this.createPatterning.current.set({fill: 'transparent'})
					}else if(this.operationMode == 'fill'){
						this.createPatterning.current.set({fill: this.brushwork.color})
					}else if (this.operationMode == 'border'){
						this.createPatterning.current.set({fill: 'transparent',stroke: this.brushwork.color,strokeWidth: this.brushwork.width[this.operation]?this.brushwork.width[this.operation]:20})
					}
				break
			}
			if(this.operation == 'fold'){
				MyCanvas.canvas.forEachObject((obj) =>{
					if(this.isSelectable(obj)){
						obj.selectable = true
					}else{
						obj.selectable = false
					}
				});
				MyCanvas.canvas.bringToFront(this.createPatterning.polyLineBtn);//设置优先级最高
			}else if(this.operation){
				this.createPatterning.state = false
				MyCanvas.canvas.renderAll();
				if(this.operation == 'dashed'){
					await this.setDashed(this.createPatterning.current)
				}else{
					this.addLayer({target:this.createPatterning?.current})
					this.setOperation('movePosition')
				}
				this.clearPatterning()//临时图形置为空并且添加撤回对象里面
			}
		}
	}
	
	async setclipPathImg(){//裁剪图片
		if(!this.clipPath.clipGroup)return
		this.clipPath.isImg = true
		let clipPathElement = this.clipPath.clipGroup._objects.filter(obj => obj.custom)[0]
		let imgBG = MyCanvas.canvas.getObjects().filter(obj => obj.custom.isSelectable && obj.type == 'rect')[0];
		let position = {
			left:this.clipPath.clipGroup?.left - (imgBG.left?imgBG.left:0),
			top:this.clipPath.clipGroup?.top - (imgBG.top?imgBG.top:0),
			width:this.clipPath.clipGroup?.width,
			height:this.clipPath.clipGroup?.height,
		}
		// await this.setGroupGrid()
		//添加裁剪后的图片
		let elements = MyCanvas.canvas.getObjects().filter(obj => this.isAddToLayer(obj));
		let imgData = await this.groupToImg(elements,position,'clipPath')
		let img = await this.createImage({minioUrl:imgData})
		img.set({
			scaleX:1,
			scaleY:1,
			left:0 - position.width/2,
			top:0 - position.height/2,
		})
		img.clipPath = clipPathElement
		this.clipPath.clipGroup.insertAt(img)
		//裁剪
		this.layer.selectLayer.group.custom.groupType = 'Grid'
		clipPathElement.clone(cloned=>{
			cloned.set({left:position.left,top:position.top,strokeWidth:0})
			if(imgBG?.custom?.state != 'success')this.setClipPath(imgBG,cloned)
		})
	}
	setDashedPencil(){
		MyCanvas.canvas.isDrawingMode = true
		let pencil = new fabric.Test(MyCanvas.canvas,{}); //普通笔
		MyCanvas.canvas.freeDrawingBrush = pencil
	}
	async setDashed(obj){
		MyCanvas.canvas.remove(obj)
		let position = {
			left:obj.left,
			top:obj.top,
			width:obj.width,
			height:obj.height,
		}
		await obj.clone((cloned)=>{
			let {width,height,left,top} = position
			cloned.set({
				custom:{
					dashed:true
				}
			})
			// cloned.set({left:cloned.strokeWidth/2,top:cloned.strokeWidth/2})
			let group = new fabric.Group([cloned],{
				left:left + cloned.strokeWidth/2,
				top:top + cloned.strokeWidth/2,
				width,height,
				custom:{
					dashed:true
				}
			})
			console.log(223);
			MyCanvas.canvas.add(group)
		})
	}
	async setGridOrObject(id,str){
		this.layer.list.forEach((item) => {
			if(item.id == id)item.groupType = str
		})
		await this.lookingLayer(id).then(rv=>{
			rv.custom.groupType = str
		})
		if(str == 'Grid'){
			await this.setGroupGrid()
		}else{
			await this.setGroupGrid('all')
		}
		this.setOperation('movePosition')
	}
	async copyLayer(id){
		let createId = new Date().getTime()
		let elements = MyCanvas.canvas.getObjects().filter(obj => obj.custom.layerId == id)
		let copyElements = []
		for (let i = 0; i < elements.length; i++) {
			await new Promise((resolve, reject) => {
				let item = elements[i]
				item.clone((clonedObj)=>{
					this.setClone(item,clonedObj)
					clonedObj.custom.layerId = createId
					copyElements.push(clonedObj)
					resolve('')
				})
			})
		}
		await this.createLayer({id:createId})
		copyElements.forEach( item=>MyCanvas.canvas.add(item))
	}
	async setGroupGrid(str){//group变为图片
		// MyCanvas.canvas.discardActiveObject();//取消所有选中边框
		let elements = MyCanvas.canvas.getObjects().filter(obj => this.isAddToLayer(obj) && !obj.custom.dashed && obj.type);
		if(str == 'all'){
			elements = MyCanvas.canvas.getObjects().filter(obj => this.isAddToLayer(obj) && obj.type);
		}
		let layerBg = elements.filter(obj => obj.custom.isSelectable)[0]
		let scaleXY = {
			scaleX:layerBg?.scaleX?layerBg?.scaleX:1,
			scaleY:layerBg?.scaleY?layerBg?.scaleY:1,
			width:layerBg?.width?layerBg?.width:MyCanvas.canvas.width,
			height:layerBg?.height?layerBg?.height:MyCanvas.canvas.height,
		}
		let imgData = await this.groupToImg(elements,{},'setGrid',scaleXY)
		let img = await this.createImage({minioUrl:imgData})
		elements.forEach((obj) =>{
			if(obj.custom.isSelectable){
			}else{
				MyCanvas.canvas.remove(obj)
			}
		});
		if(layerBg){
			layerBg.custom.state = ''
			delete layerBg.eraser
			layerBg.set({
				scaleX:1,
				scaleY:1,
				width: scaleXY.width * scaleXY.scaleX,
				height: scaleXY.height * scaleXY.scaleY,
				clipPath:null,
				fill: new fabric.Pattern({
					source: img.getElement(),  // 传入图片元素
					repeat: 'no-repeat'        // 设置图片不重复
				}),
				hasBorders: true,
				hasControls: true
			})
			this.setGroupStyle(layerBg)
		}else{
			const rect = new fabric.Rect({
				// left:0,
				// top:0,
				width: MyCanvas.canvas.width,
				height: MyCanvas.canvas.height,
				strokeWidth:0,
				fill: new fabric.Pattern({
					source: img.getElement(),  // 传入图片元素
					repeat: 'no-repeat'        // 设置图片不重复
				}),
				custom:{
					isSelectable:true,
				},
				hasBorders: true,
				hasControls: true
			});
			this.setGroupStyle(rect)
			MyCanvas.canvas.add(rect)
		}
		MyCanvas.canvas.renderAll() // 刷新画布，改变group的visible属性，必须通过刷新画布，才能应用新属性值
	}
	//液化
	getLiquefactionImgObj(){
		return new Promise(async (resolve, reject) => {
			let img,str = null
			const activeObject = this.canvas.getActiveObject(); // 获取选中的对象
			let dashedGroup = MyCanvas.canvas.getObjects().filter(obj => obj.custom.dashed)[0];

			if (activeObject && activeObject.type === 'image' && 
				activeObject.custom.type == 'upImgFiles'
			){
				img = activeObject
				this.liquefaction.type = 'upImgFiles'

			}else if(dashedGroup){//判断选取是否存在
				if(
					dashedGroup._objects.filter(item => item.type == 'image').length == 0 && 
					this.layer.selectLayer.group.custom.groupType == 'Grid'
				){
					await this.setclipPathImg()
				}else if(dashedGroup._objects.filter(item => item.type == 'image').length == 0){
					resolve()
					return
				}
				await new Promise((resolve, reject) => {
					dashedGroup.clone(async (cloned)=>{
						this.setClone(dashedGroup,cloned)
						this.liquefaction.dashed = dashedGroup
						this.liquefaction.type = 'dashed'
						cloned._objects = cloned._objects.filter(item => item.type == 'image')
						img = await cloned.toDataURL()
						resolve()
					})
				})
			}else if(this.layer.selectLayer.group.custom.groupType == 'Grid'){//判断当前图层是否可以做为液化图片
				let bg  = this.canvas.getObjects().filter(item => item.custom?.isSelectable)[0]
				img = bg.fill.source.src
				this.liquefaction.type = 'layer'
			}
			this.liquefaction.img = img
			resolve(this.liquefaction)
		})
		
	}
	async setLiquefactionImgObj(liquefaction,data){
		if(liquefaction.type == 'upImgFiles'){
			await new Promise((resolve, reject) => {
				liquefaction.img.setSrc(data, (value)=>{
					delete liquefaction.img.minioUrl
					resolve()
				})
			})
		}else if(liquefaction.type == 'dashed'){
			if(liquefaction.dashed){
				await new Promise((resolve, reject) => {
					liquefaction.dashed._objects = liquefaction.dashed._objects.filter(item => item.type != 'image')
					fabric.Image.fromURL(data, (value)=>{
						value.set({
							left:-liquefaction.dashed.width/2,	
							top:-liquefaction.dashed.height/2,
						})
						liquefaction.dashed.insertAt(value)
						resolve()
					})
				})
				// canvasObj.addDashedImg(value)
			}
		}else if(liquefaction.type == 'layer'){
			let bg = this.canvas.getObjects().filter(item => item.custom?.isSelectable)[0]
			let img = await this.createImage({minioUrl:data})
			bg.set({
				fill: new fabric.Pattern({
					source: img.getElement(),  // 传入图片元素
					repeat: 'no-repeat'        // 设置图片不重复
				}),
			})
		}
		MyCanvas.canvas.renderAll();
		this.updateCanvasState()
	}
	//end液化
	setGroupStyle(obj){
		obj.set({
			borderColor:'#4584ff',
			cornerStrokeColor :'#4584ff',
			cornerStyle:'circle'
		})
		obj.setControlsVisibility({
			mtr:false,
			deleteControl:false
		})
		// obj.controls.deleteControl.mouseUpHandler = null
	}
	setClipPath(img,clipPath){
		let imgScale = {
			pX:(img?.scaleX?img.scaleX:1),
			pY:(img?.scaleY?img.scaleY:1),
		}
		clipPath.set({
			left: clipPath.left - img.width*imgScale.pX/2,
			top: clipPath.top - img.height*imgScale.pY/2,
			inverted:true,
		})
		img.set({clipPath:clipPath})
		img.custom.state = 'success'
		MyCanvas.canvas.renderAll() // 刷新画布，改变group的visible属性，必须通过刷新画布，才能应用新属性值
	}
	async groupToImg(elements,imgData,type,scaleXY){
		let temporar = this.temporarilyExport(scaleXY)
		let bg  = elements.filter(item => item.custom?.isSelectable)[0]
		let xy = {
			x:bg?.left?bg?.left:0,
			y:bg?.top?bg?.top:0,
		}
		for (let index = 0; index < elements.length; index++) {
			const item = elements[index];
			await new Promise((resolve, reject) => {
				item.clone((cloned)=>{
					this.setClone(item,cloned)
					if(item.custom?.dashed && item._objects){
						cloned._objects = cloned._objects.filter(item => item.type == 'image')
					}
					// if(type == 'setGrid'){
						cloned.set({
							left: cloned.left - xy.x,
							top: cloned.top - xy.y,
						})
					// }
					if(cloned.custom?.layerId != -1){
						temporar.add(cloned)
					}
					resolve()
				})
			})
		}
		let data = temporar.toDataURL(imgData);
		this.closeTemporarilyExport(temporar)
		return data
	}
	setCanvasWheel(opt){
		const delta = opt.e.deltaY // 滚轮，向上滚一下是 -100，向下滚一下是 100
		let zoom = MyCanvas.canvas.getZoom() // 获取画布当前缩放值
		zoom *= 0.999 ** delta
		if (zoom > 20) zoom = 20
		if (zoom < 0.01) zoom = 0.01
		MyCanvas.canvas.zoomToPoint(
			{ // 关键点
			x: opt.e.offsetX,
			y: opt.e.offsetY
			},
			zoom
		)
		opt.e.preventDefault()
		opt.e.stopPropagation()
		this.setPencilWidth()
	}
	foldEnd(key){
		MyCanvas.canvas.skipTargetFind = true
		let points = this.createPatterning.current.points
		if(key == 'Enter'){
		}else{
			points.pop()
		}
		points.pop()
		this.createPatterning.state = false
		MyCanvas.canvas.remove(this.createPatterning.current)
		MyCanvas.canvas.remove(this.createPatterning.polyLineBtn)
		let polyline = new fabric.Polyline(points, {
			fill: this.operationMode == 'fill'? this.brushwork.color : 'transparent',
			stroke: this.brushwork.color,
			strokeWidth:this.brushwork.width[this.operation]?this.brushwork.width[this.operation]:20,
			// selection:false,
		})
		polyline.set({
			left:polyline.left+polyline.strokeWidth / 2,
			top:polyline.top+polyline.strokeWidth / 2,
		})
		MyCanvas.canvas.add(polyline)
		this.clearPatterning()//临时图形置为空并且添加撤回对象里面
		// this.layerAddElement(polyline)
	}
	clearPatterning(){
		if(this.createPatterning.state){
			MyCanvas.canvas.remove(this.createPatterning.current)
		}
		this.createPatterning.current = null
		MyCanvas.canvas.remove(this.createPatterning.polyLineBtn)
		this.updateCanvasState()
	}
	textureValueChange = (value)=>{
		this.texture.value = value
		this.setTexture()
	}
	setOperationMode(str){
		this.operationMode = str
	}
	brushworkChange = (value)=>{
		this.brushwork.value = value
		this.setPencil()
	}
	setLayerIndex(str){//设置优先级
		var activeObject = MyCanvas.canvas.getActiveObject();
		switch (str) {
			case 'Front':
				MyCanvas.canvas.bringToFront(activeObject)//顶层
				// this.layer.selectLayer.group.bringToFront(activeObject)
			break
			case 'Back':
				MyCanvas.canvas.sendToBack(activeObject)//底层
				// this.layer.selectLayer.group.sendToBack(activeObject)
			break
			case 'Forward':
				MyCanvas.canvas.bringForward(activeObject)
				// this.layer.selectLayer.group.bringForward(activeObject)
			break
			case 'Backwards':
				MyCanvas.canvas.sendBackwards(activeObject)
				// this.layer.selectLayer.group.sendBackwards(activeObject)
			break
		}

	}
	setPencil(){
		let pencil
		MyCanvas.canvas.isDrawingMode = true//开启绘画模式
		if(this.brushwork.value == 'PencilBrush'){
			pencil = new fabric.PencilBrush(MyCanvas.canvas,{}); //普通笔
		}else if(this.brushwork.value == 'Marking'){
			pencil = new fabric.PencilBrush(MyCanvas.canvas,); //记号笔
		}else if(this.brushwork.value == 'InkBrush'){
			pencil = new fabric.InkBrush(MyCanvas.canvas,{}); //油画笔
		}else if(this.brushwork.value=='CrayonBrush'){
			pencil = new fabric.CrayonBrush(MyCanvas.canvas,{}); //蜡笔
		}else if(this.brushwork.value == 'RibbonBrush'){
			pencil = new fabric.RibbonBrush(MyCanvas.canvas,{width: 1,}); //色带
		}else if(this.brushwork.value == 'MarkerBrush'){
			pencil = new fabric.MarkerBrush(MyCanvas.canvas,{}); //书写笔
			// pencil = new fabric.PenBrush(MyCanvas.canvas,{}); //书写笔
		}else if(this.brushwork.value == 'WritingBrush'){
			pencil = new fabric.WritingBrush(MyCanvas.canvas,{}); //毛笔
		}else if(this.brushwork.value == 'LongfurBrush'){
			pencil = new fabric.LongfurBrush(MyCanvas.canvas,{width: 1,}); //色带
		}else if(this.brushwork.value == 'SpraypaintBrush'){
			pencil = new fabric.SpraypaintBrush(MyCanvas.canvas,{}); //长毛刷
		}
		
		MyCanvas.canvas.freeDrawingBrush = pencil
		if(this.brushwork.value == 'RibbonBrush' || this.brushwork.value == 'LongfurBrush'){
			MyCanvas.canvas.freeDrawingBrush.width = 1;
		}
		if(this.brushwork.value == 'Marking'){
			MyCanvas.canvas.freeDrawingBrush.color = this.hexToRgba(this.brushwork.color,.5);
		// }else if(this.brushwork.value == 'InkBrush'){
		// 	canvas.freeDrawingBrush.color = this.hexToRgba(this.brushwork.color,.2);
		}else{
			MyCanvas.canvas.freeDrawingBrush.color = this.hexToRgba(this.brushwork.color,1);
		}
		this.setPencilWidth()
		this.pencilbtnStyle.background = this.brushwork.color
		MyCanvas.canvas.freeDrawingBrush.isEraser = false
	}
	setCanvasZoom(opt){
		let zoom = MyCanvas.canvas.getZoom() // 获取画布当前缩放值
		let num = -100
		if(this.operation == 'zoomOut') num = 100
		zoom *= 0.999 ** num
		if (zoom > 20) zoom = 20
		if (zoom < 0.01) zoom = 0.01
		// MyCanvas.canvas.setDimensions(MyCanvas.canvas.width *= zoom,MyCanvas.canvas.height *= zoom)
		// MyCanvas.canvas.wrapperEl.style.zoom = zoom
		MyCanvas.canvas.zoomToPoint(
			{ // 关键点
			x: opt.pointer.x,
			y: opt.pointer.y
			},
			zoom
		)
		opt.e.preventDefault()
		opt.e.stopPropagation()
		this.setPencilWidth()
	}
	async addImage (imgData){
		let img = await this.createImage(imgData)
		let position = {
			// left: 0,
			// top:MyCanvas.canvas.wrapperEl.parentNode.scrollTop,
			left: MyCanvas.canvas.width/2,
			top: MyCanvas.canvas.height/2,
			
		}
		img.set({
			custom:{
				type:'upImgFiles'
			}
		})
		await this.createLayer({})
		this.setCanvasImage(img,position,"upImgFiles",imgData)
	}
	createImage(imgData){
		return new Promise((resolve, reject) => {
			fabric.Image.fromURL(imgData.minioUrl,(img) => {
				resolve(img)
			},{ crossOrigin: "Anonymous" })
		})
	}
	setImageWidth = (key,img)=>{
		const CW = MyCanvas.canvas.width
		const CH = MyCanvas.canvas.height
		let WH = CW>CH?'H':'W'
		let imgWidth; //这是设置画布等宽
		if(WH == 'W'){
			imgWidth = CW / 2;
		}else{
			let heightScale = (CH/2) / img.height
			imgWidth = img.width * heightScale
		}
		// let sketchGrouping = 6
		// if(key == 'upImgFiles'){
		// 	imgWidth = imgWidth / 8;
		// }else if (key == "printboardFiles") {
		// 	imgWidth = imgWidth / 14;
		// }else if (key == "sketchboardFiles"||key == 'moodboardFiles'||key == 'FinalizeImage') {
		// 	imgWidth =
		// 		(imgWidth -
		// 			(sketchGrouping - 1) * 20) /
		// 		sketchGrouping;
		// }else if (key == "likeDesignCollectionList") {
		// 	if(img){
		// 		let imgObj = JSON.parse(JSON.stringify(img))
		// 		let height = imgObj.height
		// 		imgObj.height = imgWidth / 8 * 1.8
		// 		let heightScale = imgObj.height / height
		// 		imgWidth = imgObj.width * heightScale
		// 	}
		// }else {
		// 	if(img){
		// 		let imgObj = JSON.parse(JSON.stringify(img))
		// 		if(imgObj.height > imgObj.width){
		// 			let heightScale = (MyCanvas.canvas.height/2) / imgObj.height
		// 			imgWidth = imgObj.width * heightScale
		// 		}else{
		// 			imgWidth /= 2
		// 		}
		// 	}
		// }
		return imgWidth
	}
	async setCanvasImage(img,position,key,data){
		let minioUrl = ''//表示收藏或者generate
		let imgUrl = data.imgUrl
		if (key == "likeDesignCollectionList") {
			imgUrl = data.designOutfitUrl;
		}
		let imgWidth = await this.setImageWidth(key,img); 
		if(imgUrl?.split('?')){
			// let url = imgUrl.split('?')[0]
			// var match = url.match(/^(?:https?:\/\/[^\/]+)\/(.*)/);
			// minioUrl = match[1]
			const { pathname } = new URL(imgUrl);
			const result = pathname.slice(1);
			minioUrl = result
		}
		let proportion = img.height / img.width; //计算图形宽高比例
		let scaleWH = imgWidth / img.width; //计算放到画布上缩小倍率
		let scale = {
			X: imgWidth / img.width,
			Y: (img.width * proportion * scaleWH) / img.height,
		}
		img.set({
			left:position.left - img.width*scale.X/2,
			top:position.top - img.height*scale.Y / 2,
			minioUrl,
			scaleX:scale.X,
			scaleY:scale.Y,
		});
		MyCanvas.canvas.add(img)
		this.updateCanvasState('')
	}
	setMove(){
		MyCanvas.canvas.isDrawingMode = false
		MyCanvas.canvas.forEachObject((obj) =>{
			if(this.isSelectable(obj)){
				obj.selectable = true
			}else{
				obj.selectable = false
			}
		});
		MyCanvas.canvas.renderAll() // 刷新画布，改变group的visible属性，必须通过刷新画布，才能应用新属性值
	}
	async setTexture(){
		MyCanvas.canvas.isDrawingMode = true//开启绘画模式
		let img = await JSSetTexture(this.texture.list[this.texture.value].url)
		let zoom = MyCanvas.canvas.getZoom() // 获取画布当前缩放值
		let patternBrush = new fabric.PatternBrush(MyCanvas.canvas)  
		patternBrush.source = img 
		patternBrush.width = Number(this.brushwork.width[this.operation]) / zoom; // 设置画笔大小 
		this.setPencilWidth()
		MyCanvas.canvas.freeDrawingBrush = patternBrush 
	}
	setEraser(){
		MyCanvas.canvas.isDrawingMode = true
		let eraser = new fabric.EraserBrush(MyCanvas.canvas) 
		MyCanvas.canvas.freeDrawingBrush = eraser
		this.pencilbtnStyle.background = '#fff'
		MyCanvas.canvas.freeDrawingBrush.isEraser = true
		this.setPencilWidth()
		MyCanvas.canvas.requestRenderAll();

	}
	hexToRgba(hex, alpha){
		const r = parseInt(hex.slice(1, 3), 16);
		const g = parseInt(hex.slice(3, 5), 16);
		const b = parseInt(hex.slice(5, 7), 16);
		return `rgba(${r}, ${g}, ${b}, ${alpha})`;
	}
	pencilColor(){
		if(this.createText?.set){
			this.setFontFamily()
			return
		}
		if(MyCanvas.canvas.freeDrawingBrush.isEraser){
		}else{
			this.pencilbtnStyle.background = this.brushwork.color
		}
		if(this.brushwork.value == 'Marking'){
			MyCanvas.canvas.freeDrawingBrush.color = this.hexToRgba(this.brushwork.color,.5);
		}else if(this.brushwork.value == 'InkBrush'){
			MyCanvas.canvas.freeDrawingBrush.color = this.hexToRgba(this.brushwork.color,.2);
		}else{
			MyCanvas.canvas.freeDrawingBrush.color = this.hexToRgba(this.brushwork.color,1);
		}
	}
	setFontFamily=()=>{
		if(this.createText.set){
			this.createText.set({
				fontFamily:this.fontFamily,
				fontSize:this.brushwork.width[this.operation]?this.brushwork.width[this.operation]:20,
				fill:this.brushwork.color,
			})
			MyCanvas.canvas.renderAll();
		}
	}
	setPencilColor(){//切换颜色给铅笔设置颜色
		clearTimeout(this.setTimeOut.color)
		clearTimeout(this.setTimeOut.colorHistory)
		this.setTimeOut.color = setTimeout(()=>{
			this.pencilColor()
		},200)
		this.setTimeOut.colorHistory = setTimeout(()=>{
			this.colorHistoryList.push(this.brushwork.color)
		},1000)
	}
	setCanvasWH = (str)=>{
		clearTimeout(this.setTimeOut.canvasWH)
		this.setTimeOut.canvasWH = setTimeout(()=>{
			MyCanvas.canvas.setWidth(this.canvasWH.width);
			MyCanvas.canvas.setHeight(this.canvasWH.height);
			// MyCanvas.canvas.width = this.canvasWH.width
			// MyCanvas.canvas.height = this.canvasWH.height
			this.initCanvasWH('updata')
		},1000)
	}
	setColorHistory = (value)=>{
		this.brushwork.color = value
		this.pencilColor()
	}
	setPencilWidth(){//切换颜色给铅笔设置颜色
		let zoom = MyCanvas.canvas.getZoom() // 获取画布当前缩放值
		clearTimeout(this.setTimeOut.width)
		this.setTimeOut.width = setTimeout(()=>{
			if(!this.brushwork.width[this.operation])this.brushwork.width[this.operation]=20
			// MyCanvas.canvas.freeDrawingBrush.width = Number(this.brushwork.width[this.operation]);
			let arr = ['PencilBrush','Marking']
			this.pencilbtnStyle.height = this.brushwork.width[this.operation]+'px'
			this.pencilbtnStyle.width = this.brushwork.width[this.operation]+'px'
			if(arr.indexOf(this.brushwork.value) > -1){
				MyCanvas.canvas.freeDrawingBrush.width = Number(this.brushwork.width[this.operation]) / zoom;
			}else{
				MyCanvas.canvas.freeDrawingBrush.width = Number(this.brushwork.width[this.operation]);
			}
			if((this.brushwork.value == 'LongfurBrush' || this.brushwork.value == 'RibbonBrush') && this.operation == 'pencil'){
				MyCanvas.canvas.freeDrawingBrush.width = 1;
				this.pencilbtnStyle.height = 1+'px'
				this.pencilbtnStyle.width = 1+'px'
			}
		},100)
	}
	//关闭u或者创建文字
	setTextFun(e){
		if(this.operation != 'text'){
			return
		}
		MyCanvas.canvas.forEachObject((obj) =>{
			if(obj.type == 'textbox' && !obj.text){
				MyCanvas.canvas.remove(obj);
			}
		});
		var clickedObject = e.target;
		if (clickedObject instanceof fabric.Textbox) {
			this.createText = clickedObject
			this.setTextData(this.createText)
		}else{
		
			var pointer = MyCanvas.canvas.getPointer(e.pointer);
			var x = pointer.x;
			var y = pointer.y;
			this.createText = new fabric.Textbox('', {
				left: x,
				top: y,
				width: 50,
				fontSize: this.brushwork.width[this.operation]?this.brushwork.width[this.operation]:20,
				fontFamily:this.fontFamily,
				fill:this.canvasPencilColor,

			})
			MyCanvas.canvas.add(this.createText)
			// this.layer.selectLayer.group.add(this.createText)
			this.createText.enterEditing();
			MyCanvas.canvas.setActiveObject(this.createText).renderAll();
			this.removeSetText()
		}
	}
	setText(){
		MyCanvas.canvas.on('mouse:down',(event)=>{
			if(this.operation == 'zoomIn' || this.operation == 'zoomOut'){
			}else{
				this.setTextFun(event)
			}
		})
	}
	removeSetText(){
		MyCanvas.canvas.off('mouse:down',this.setTextFun.bind(this))
	}
	// async createBg(){//
	// 	await new Promise((resolve, reject) => {
	// 		let url = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAAA3NCSVQICAjb4U/gAAAABlBMVEXMzMz////TjRV2AAAACXBIWXMAAArrAAAK6wGCiw1aAAAAHHRFWHRTb2Z0d2FyZQBBZG9iZSBGaXJld29ya3MgQ1M26LyyjAAAABFJREFUCJlj+M/AgBVhF/0PAH6/D/HkDxOGAAAAAElFTkSuQmCC'
	// 		fabric.Image.fromURL(url, (backgroundImage)=>{
	// 			backgroundImage.set({
	// 			})
	// 			const rect = new fabric.Rect({
	// 				left: 0,
	// 				top: 0,
	// 				width: MyCanvas.canvas.width,
	// 				height: MyCanvas.canvas.height,
	// 				fill:'#FFF',
	// 				// fill: new fabric.Pattern({
	// 				// 	source: backgroundImage.getElement(), // 使用图像元素作为填充
	// 				// 	repeat: 'repeat', // 设置为重复
	// 				// 	patternTransform: [this.canvasWH.width/this.canvasDomParent.offsetWidth, 0, 0, this.canvasWH.width/this.canvasDomParent.offsetWidth, 0, 0]
	// 				// }),
	// 			});
				
	// 			const group = new fabric.Group([rect], {
	// 				width: MyCanvas.canvas.width,
	// 				height: MyCanvas.canvas.height,
	// 				erasable:false,
	// 				selectable:false,
	// 			});
	// 			group.custom.layerId = -1
	// 			MyCanvas.canvas.add(group)
	// 			MyCanvas.canvas.clipPath = rect
	// 			resolve()
	// 		});
	// 	})
	// }
	createLayer(data){
		let {str,id} = data
		let canvasData = MyCanvas.canvas.toJSON(['selectable','minioUrl','custom']);
		return new Promise(async (resolve, reject) => {
			MyCanvas.canvas.discardActiveObject();
			if(!id)id = new Date().getTime()
			let index = this.layer.currentIndex += 1
			const rect = new fabric.Rect({
				left: -MyCanvas.canvas.width / 2,
				top: -MyCanvas.canvas.height / 2,
				// left:0,
				// top:0,
				width: MyCanvas.canvas.width,
				height: MyCanvas.canvas.height,
				strokeWidth:0,
				fill:'#FFF',
				custom:{
					layerId:id,
					isSelectable:true,
				},
				// erasable:false,
				selectable:false,
			});
			rect.clone((cloned)=>{
				rect.clipPath = cloned
			})
			const group = new fabric.Group([], {
				width: MyCanvas.canvas.width,
				height: MyCanvas.canvas.height,
				left:0,
				top:0,
				selectable:false,
				erasable:false,
				subTargetCheck:true,
				evented:false,
				// originX:'left', 
				// originY:'top',
				custom:{
					layerId:id,
					type:'layer' ,
					groupType:'Object',
					layerIndex:index,
					selectLayerIndex:(index) * 10000,
				}
			});
			if(str == 'init'){
				group.moveTo(group.custom.selectLayerIndex)
				group.add(rect)
				group.clone((cloned)=>{
					cloned.set({left:0,top:0})
					MyCanvas.canvas.clipPath = cloned
				})
			}
			MyCanvas.canvas.add(group)
			let img = group.toDataURL({
				width: MyCanvas.canvas.width,
				height: MyCanvas.canvas.height,
			})
			this.layer.list.unshift({
				name:`Layer${index}`,
				id,img,isShow:true,
				groupType:'Object',
				index,})
			await this.selectLayer(id)
			MyCanvas.canvas.renderAll();
			this.updateCanvasState()
			resolve(group)
		})
	}
	layerAddElement(obj){
		let group = this.layer.selectLayer.group
		obj.left = obj.left - group.width/2
		obj.top = obj.top - group.height/2
		group.add(obj)
		MyCanvas.canvas.remove(obj)
		this.updataLayerImg(this.layer.selectLayer.id,group.toDataURL({
			width: MyCanvas.canvas.width,
			height: MyCanvas.canvas.height
		}))
	}
	async addLayer(options){
		console.log(options);
		if(this.createPatterning.state)return
		this.clipPath.clipGroup = MyCanvas.canvas.getObjects().filter(obj => obj.custom?.dashed)?.[0];
		if (options.target.type === 'group' && options.target.custom?.layerId) return;
		if(!options.target?.custom?.layerId){
			if(options.target?.custom){
				options.target.custom.layerId = this.layer.selectLayer.id
			}else{
				options.target.set({custom:{layerId : this.layer.selectLayer.id}})
			}
		}
		//判断是否可以点击空白地方进行选中
		if(options.target?.custom?.dashed){
			options.target.set({perPixelTargetFind:false,erasable:false,hasBorders: false,hasControls: false})
			// MyCanvas.canvas.setActiveObject(options.target);
			MyCanvas.canvas.skipTargetFind = false
			this.setOperation('movePosition')
		}else if(options.target.type == 'textbox' || options.target?.custom.type == 'layer'){
			options.target.set({perPixelTargetFind:false})
		}else{
			options.target.set({perPixelTargetFind:true})
		}
		//设置优先级
		if(options.target?.custom?.isSelectable && (options.target?.type == 'rect')){
			options.target.custom.selectLayerIndex = this.layer.selectLayer.group.custom.layerIndex * 10000
		}else{
			options.target.custom.selectLayerIndex = this.layer.selectLayer.group.custom.selectLayerIndex += 1
			if(this.clipPath.clipGroup){
				this.clipPath.clipGroup.custom.selectLayerIndex = this.layer.selectLayer.group.custom.selectLayerIndex + 1
			}
		}
		if(options.target.isType('path'))options.target.selectable=false
		let arr = MyCanvas.canvas.getObjects().sort((a, b) =>{
			return a.custom.selectLayerIndex - b.custom.selectLayerIndex; 
		  });
		  arr.forEach((item,index)=>{
			item.moveTo(index)
		  })
		
		if(!options?.target?.custom?.dashed && this.layer.selectLayer.group.custom.groupType == 'Grid'){
			await new Promise((resolve, reject) => {
				console.log(this.clipPath.clipGroup);
				let clipPathElement = this.clipPath.clipGroup._objects.filter(obj => obj.custom?.dashed)[0]
				let clipPathLect = this.clipPath.clipGroup.left
				let clipPathTop = this.clipPath.clipGroup.top

				clipPathElement.clone((clipPathElementCloned)=>{
					clipPathElementCloned.set({
						// left:this.clipPath.clipGroup.left,
						// top:this.clipPath.clipGroup.top,
						left:clipPathLect,
						top:clipPathTop,
						absolutePositioned:true,
					})
					let optionLect = (options.target.left - this.clipPath.clipGroup.left) - this.clipPath.clipGroup.width/2
					let optionTop = (options.target.top - this.clipPath.clipGroup.top) - this.clipPath.clipGroup.height/2
					options.target.clone((cloned)=>{
						cloned.set({
							left:optionLect,
							top:optionTop,
							clipPath:clipPathElementCloned,
						})
						this.clipPath.clipGroup.add(cloned)
						console.log(this.clipPath.clipGroup);
						MyCanvas.canvas.remove(options.target)
						resolve()
					})
				})
			})
			
			// this.setGroupGrid('all')
		}
		
		MyCanvas.canvas.renderAll();

		this.updataLayer()
	}
	upLayerIndex(list){
		list.forEach((item,index)=>{
			let arr = MyCanvas.canvas.getObjects().filter(obj => obj.custom.layerId == item.id)
			arr.forEach((obj)=>{
				if(obj.custom.type == 'layer')obj.custom.layerIndex = item.index
				let selectLayerIndex = obj.custom.selectLayerIndex+''
				selectLayerIndex = selectLayerIndex.replace(/^\d/, item.index);
				obj.custom.selectLayerIndex = Number(selectLayerIndex)
			})
			// arrList.unshift(obj)
		})
		// this.layer.list = arrList
		let arr = MyCanvas.canvas.getObjects().sort((a, b) =>{
			return a.custom.selectLayerIndex - b.custom.selectLayerIndex; 
		});
		arr.forEach((item,index)=>item.moveTo(index))
	}
	updataLayer(){
		clearTimeout(this.setTimeOut.updataLayer)
		this.setTimeOut.updataLayer = setTimeout(async()=>{
			let elements
			elements = MyCanvas.canvas.getObjects().filter(obj => {
				return this.isAddToLayer(obj)
			});
			const group = new fabric.Group([], {
				width: this.layer.selectLayer.group.width,
				height: this.layer.selectLayer.group.height,
				erasable:false,
				selectable:false,
			});
			for (let i = 0; i < elements.length; i++) {
				await new Promise((resolve, reject) => {
					let item = elements[i]
					item.clone((clonedObj)=>{
						this.setClone(item,clonedObj)
						clonedObj.left = clonedObj.left - this.layer.selectLayer.group.width/2
						clonedObj.top = clonedObj.top - this.layer.selectLayer.group.height/2
						if(clonedObj.custom?.dashed){
							let clipPath = clonedObj._objects.filter(item => item.type != 'image')[0]
							clonedObj.remove(clipPath)
						}
						group.add(clonedObj)
						resolve('')
					})
				})
			}
			this.updataLayerImg(this.layer.selectLayer.id,group.toDataURL({
				width: this.layer.selectLayer.group.width,
				height: this.layer.selectLayer.group.height
				})
			)
		},500)
	}
	updataLayerImg(id,img){
	    this.layer.list.forEach(v => {
			if (v.id === id) {
				v.img = img
			}
	    })
	}
	async layerDelete(index,id){
		if(this.layer.list.length == 1)return
		for (let i = index; i < this.layer.list.length; i++) {
			this.layer.list[this.layer.list.length - i-1].index--
		}
		this.layer.list.splice(index,1)
		if(id == this.layer.selectLayer.id){
			MyCanvas.canvas.remove(this.layer.selectLayer.group)
			MyCanvas.canvas.forEachObject((obj) =>{
				if(obj.type != 'group' && obj.custom?.layerId == id){
					MyCanvas.canvas.remove(obj)
				}
			});
			this.layer.selectLayer.id = -1
			this.selectLayer(this.layer.list[this.layer.list.length - 1].id)
		}else{
			let group = await this.lookingLayer(id,'setLayerIndex')
			MyCanvas.canvas.remove(group)
		}
		this.updateCanvasState()
	}
	async selectLayer(id){
		await new Promise(async (resolve, reject) => {
			if(this.layer.selectLayer.id != -1){
				await this.mergeGroup()
			}
			let group = await this.lookingLayer(id,'setRubber')
			group.custom.selectLayerIndex = group.custom.layerIndex*10000
			this.layer.selectLayer.group = group
			this.layer.selectLayer.id = id
			await this.expandGroup()
			MyCanvas.canvas.renderAll() // 刷新画布，改变group的visible属性，必须通过刷新画布，才能应用新属性值
			this.setOperation('movePosition')
			resolve('')
		})
	}
	async mergeGroup(){
		const elements = MyCanvas.canvas.getObjects().filter(obj => this.isAddToLayer(obj));
		let isClipPath = MyCanvas.canvas.getObjects().filter(obj => obj.custom.dashed);
		if(isClipPath.length>0)await this.setGroupGrid('all')
		let group = await this.lookingLayer(this.layer.selectLayer.id,'setlayerIndex')
		group.set({visible:true})
		for (let index = 0; index < elements.length; index++) {
			const item = elements[index];
			await new Promise((resolve, reject) => {
				item.clone((v)=>{
					this.setClone(item,v)
					v.left = v.left - group.width/2
					v.top = v.top - group.height/2
					if(v.custom?.dashed){
						// MyCanvas.canvas.remove(item)
						// let img = v._objects.filter(item => item.type == 'image')[0]
						// if(img){
						// 	img.set({
						// 		left:v.left,
						// 		top:v.top,
						// 		custom:{
						// 			layerId:v.custom.layerId
						// 		}
						// 	})
						// 	group.add(img)
						// }
					}else{
						group.add(v)
					}
					resolve('')
				})
			})
		}
		elements.forEach(v => MyCanvas.canvas.remove(v))
	}
	async expandGroup(){
		const elements = this.layer.selectLayer.group._objects.filter(obj => this.isAddToLayer(obj));
		// fabric.util.enlivenObjects(elements, (clonedObjects) => {
		this.layer.selectLayer.group.set({visible:false})
		for (let index = 0; index < elements.length; index++) {
			const item = elements[index];
			await new Promise((resolve, reject) => {
				item.clone((v)=>{
					this.setClone(item,v)
					v.left = v.left + this.layer.selectLayer.group.width/2
					v.top = v.top + this.layer.selectLayer.group.height/2
					if(v.custom?.dashed){
						// this.layer.selectLayer.group._objects.remove(item)
						// let img = v._objects.filter(item => item.type == 'image')[0]
						// if(img){
						// 	img.set({
						// 		left:v.left,
						// 		top:v.top,
						// 		custom:{
						// 			layerId:v.custom.layerId
						// 		}
						// 	})
						// 	MyCanvas.canvas.add(img)
						// }
					}else{
						MyCanvas.canvas.add(v)
					}
					if(index == elements.length - 1){
						elements.forEach(v => this.layer.selectLayer.group.remove(v))
					}
					resolve()
				})
			})
		}
	}
	lookingLayer(id,str){
		return new Promise((resolve, reject) => {
			const groups = MyCanvas.canvas.getObjects()
			let group = null
			groups.forEach(v => {
				if(str && v?.custom?.type === 'layer' && (str == 'setlayerIndex' || str == 'setRubber')){
					let layerIndex = v?.custom?.layerIndex * 10000
					v.moveTo(layerIndex)
				}
				if(v?.custom?.layerId == id){
					if(str && str == 'setRubber'){
						v.set({erasable:'deep'})
					}
					
				}else if(v?.custom?.type === 'layer'){
					v.set({erasable:false})
				}
				if (v?.custom?.layerId === id && v?.custom?.type === 'layer') {
					group = v
				}
			})
			resolve(group)
		})
		
	}
	canvasKeyUp(event){
		this.keyDown = this.keyDown.filter((item) => {
			if(item.code !== 'AltLeft'){
				if(this.oldOperation)this.setOperation(this.oldOperation)
			}
			return event.code !== item;
		})
	}
	async layerShowHide(id,item){
		// console.log(id);

		item.isShow = !item.isShow
		MyCanvas.canvas.forEachObject((obj)=>{
			if(obj.custom.layerId == id)obj.visible = item.isShow
		})
		MyCanvas.canvas.renderAll() // 刷新画布，改变group的visible属性，必须通过刷新画布，才能应用新属性值

	}
	canvasKeyDown(event){
		if(this.keyDown.indexOf(event.key)>-1){
		}else{
			this.keyDown.push(event.code)
			if(event.key === 'Enter' && this.operation == 'fold'){
				this.foldEnd('Enter')
			}else if(event.key === 'Delete'){
				this.deleteObject()
			}else if(this.keyDown.indexOf('ControlLeft') > -1 && this.keyDown.indexOf('KeyZ') > -1 && this.keyDown.indexOf('ShiftLeft') > -1){
				this.historyState('reverse')
			}else if(this.keyDown.indexOf('ControlLeft') > -1 && this.keyDown.indexOf('KeyZ') > -1){
				this.historyState('')
			}else if(this.keyDown.indexOf('ControlLeft') > -1 && this.keyDown.indexOf('KeyC') > -1){
				this.copy()
			}else if(this.keyDown.indexOf('ControlLeft') > -1 && this.keyDown.indexOf('KeyV') > -1){
				this.paste()
			}else if(this.keyDown.indexOf('AltLeft') > -1 && this.keyDown.length == 1 && this.operation != 'move'){
				this.oldOperation = this.operation
				this.setOperation('move')
			}
		}
	}
	canvasClear(){
		if(MyCanvas.canvas?.dispose)MyCanvas.canvas.dispose()
		let oldCanvasDom = this.canvasDomParent?.querySelector('.canvas-container')
		let oldCanvasDom1 =  this.canvasDomParent?.querySelector('canvas')
		if(oldCanvasDom)oldCanvasDom.remove()
		if(oldCanvasDom1)oldCanvasDom1.remove()
		this.reverseCanvasState=[];//撤回
		this.normalCanvasState=[];//反撤回
		MyCanvas.canvas = null
		this.canvas = null
		this.layer = {
			list:[],
			selectLayer:{
				group:null,
				id:-1,
			},
			currentIndex: 0,
		}
		this.mouse = {
			point:null,
			upPoint:null,
			isMovePostion:false,
			lastPosX:0,
			lastPosY:0,
		}
		this.brushwork = {
			value:'PencilBrush',
			width:{},
			color:'#000000',
			texture:0,
		}
		this.operation = 'movePosition'
		document.removeEventListener("keydown", this.canvasKeyDown);
		document.removeEventListener("keyup", this.canvasKeyUp);
		document.removeEventListener('mousemove', this.mouseMove);
		document.removeEventListener('touchmove', this.touchmove);
	
	}
	//删除选中元素
	deleteObject(){
		if(!MyCanvas.canvas.getActiveObjects()){
			return
		}
		let target = MyCanvas.canvas.getActiveObjects()
		target.forEach((item)=>{
			MyCanvas.canvas.fxRemove(item, {
				onComplete:()=>{
					MyCanvas.canvas.discardActiveObject(); // 丢弃当前选中的对象
					MyCanvas.canvas.renderAll(); // 重新渲染 Canvas
				}
			})
			MyCanvas.canvas.FX_DURATION = 200
			// MyCanvas.canvas.remove(item)
		})
		this.updataLayer()
		this.updateCanvasState('remove')
	}
	async getDashedImg(cloned){
		let position = {
			left:cloned?.left,
			top:cloned?.top,
			width:cloned?.width + cloned?.strokeWidth*2,
			height:cloned?.height + cloned?.strokeWidth*2,
		}
		let elements = MyCanvas.canvas.getObjects().filter(obj => this.isAddToLayer(obj));
		let imgData = await this.groupToImg(elements,position,'clipPath')//矩形裁剪图片
		let img = await this.createImage({minioUrl:imgData})
		// cloned._objects = cloned._objects.filter(item => item.type == 'image')
		let clipPathElement = cloned._objects.filter(obj => obj.type != 'image')[0]

		cloned.set({
			left:0,
			top:0,
			visible:true
		})
		img.set({
			left:position.left,
			top:position.top,
			clipPath:clipPathElement,
		})
		return img
	}
	//复制粘贴
	async copy(canvas){
		var activeObject=null;
		if(MyCanvas.canvas.getActiveObject()){
			activeObject = MyCanvas.canvas.getActiveObject()
		}else{
			activeObject = MyCanvas.canvas.getObjects().filter(obj => obj.custom.dashed)[0];
		}
		if(!activeObject){
			return
		}
		let copyObj = null
		await new Promise((resolve, reject) => {
			activeObject.clone(async (cloned)=>{
				this.setClone(activeObject,cloned)
				if(cloned.custom.dashed){
					copyObj = await this.getDashedImg(cloned)
				}else{
					copyObj = cloned
				}
				resolve()
			})
		})
		
		this._clipboard = copyObj;
	}
	async paste(){//粘贴
		if(!this._clipboard){
			return
		}
		await this.createLayer({})
		this._clipboard.clone(clonedObj => {
			// this.setClone(this._clipboard,clonedObj)
			MyCanvas.canvas.discardActiveObject() // 取消选择
			clonedObj.set({
				left: clonedObj.left,
				top: clonedObj.top,
				selectable: true
			})
			if (clonedObj.type === 'activeSelection') {
				// 活动选择需要一个对画布的引用
				clonedObj.forEachObject((obj)=>{
					MyCanvas.canvas.add(obj)
				})

				clonedObj.setCoords()
			} else {
				MyCanvas.canvas.add(clonedObj)
				// this.layer.selectLayer.group.add(clonedObj)
			}
			MyCanvas.canvas.setActiveObject(clonedObj)
			MyCanvas.canvas.requestRenderAll()
		})
		this._clipboard = null
		this.updateCanvasState()
	}
	isSelectable(obj){//判断元素是否允许选中
		return (obj.custom?.type != 'layer' && (!obj.custom?.isSelectable || this.layer.selectLayer.group.custom.groupType == 'Grid') && !obj.isType('path'))
		//isSelectable已废弃，现在isSelectable作为判断是否是背景来使用
		return (obj.custom?.type != 'layer' && !obj.isType('path'))
	}
	isAddToLayer(obj){//判断元素是否允许添加
		return(obj.custom?.type != 'layer' && obj.custom?.layerId == this.layer.selectLayer.id)
	}
	//撤回反撤回
	//设置画布监听修改添加事件，用来做撤回功能
	updateCanvasState(str){
		let canvasData = MyCanvas.canvas.toJSON(['custom','selectable','minioUrl','perPixelTargetFind','subTargetCheck','evented']);
		if(canvasData.clipPath){
			canvasData.clipPath.left = 0
			canvasData.clipPath.top = 0
		}
		let canvasAsJson = JSON.stringify(canvasData)
		let layerList = JSON.stringify(this.layer.list)
		let layerId = this.layer.selectLayer.id
		if(str == 'loadingCompleted'){
			// this.reverseCanvasState.push(canvasAsJson);
		}
		this.normalCanvasState.push({canvasAsJson,layerList,layerId});
		if (this.isLoadCanvas) {
			this.reverseCanvasState = []
			this.isLoadCanvas = false;
			this.canvasState = canvasAsJson
		}
	}
	//撤回
	async historyState(str){
		if(str == 'reverse' && this.reverseCanvasState.length > 0){//反撤回
			let obj = this.reverseCanvasState.pop()
			let layerList = JSON.parse(obj.layerList)
			this.layer.list = layerList
			this.layer.selectLayer.id = obj.layerId
			this.canvasState = obj.canvasAsJson
			this.normalCanvasState.push(obj);
		}else if(str == '' && this.normalCanvasState.length > 1){
			let obj = this.normalCanvasState.pop()
			let select = this.normalCanvasState[this.normalCanvasState.length-1]
			this.canvasState = select.canvasAsJson
			this.layer.list = JSON.parse(select.layerList)
			this.layer.selectLayer.id = select.layerId
			this.reverseCanvasState.push(obj);
			this.isLoadCanvas = true;
		}else{
			return
		}
		MyCanvas.canvas.loadFromJSON(this.canvasState, () => {});
		MyCanvas.canvas.setBackgroundColor({
			source:'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAAA3NCSVQICAjb4U/gAAAABlBMVEXMzMz////TjRV2AAAACXBIWXMAAArrAAAK6wGCiw1aAAAAHHRFWHRTb2Z0d2FyZQBBZG9iZSBGaXJld29ya3MgQ1M26LyyjAAAABFJREFUCJlj+M/AgBVhF/0PAH6/D/HkDxOGAAAAAElFTkSuQmCC',
			repeat: 'repeat',
			},MyCanvas.canvas.renderAll.bind(MyCanvas.canvas),
		)
	}
	temporarilyExport(data){
		let scaleXY = {
			scaleX:data?.scaleX?data?.scaleX:1,
			scaleY:data?.scaleY?data?.scaleY:1,
		}
		let width = data?.width || MyCanvas.canvas.width
		let height = data?.height || MyCanvas.canvas.height
		var canvasDom = document.createElement("canvas");
		let exportCanvas = new fabric.Canvas(canvasDom, {
			width:width*scaleXY.scaleX,
			height:height*scaleXY.scaleY,
			scaleX:scaleXY.scaleX,
			scaleY:scaleXY.scaleY,
			isDrawingMode: false, // 开启绘图模式
		});
		return exportCanvas
	}
	closeTemporarilyExport(temporar){
		if(temporar){
			temporar.wrapperEl.remove()
			temporar.dispose()
		}
	}
	setClone(obj,goal){
		if(obj.custom){
			goal.set({custom:JSON.parse(JSON.stringify(obj.custom))})
		}
		goal.perPixelTargetFind = obj.perPixelTargetFind
		goal.hasBorders = obj.hasBorders
		goal.hasControls = obj.hasControls
		goal.selectable = obj.selectable
		goal.erasable = obj.erasable
		if(obj.minioUrl)goal.minioUrl = obj.minioUrl
	}
	//导出
	selectExport(){
		let layer = this.layer.list.filter(item=>item.id == this.layer.selectLayer.id)[0]
		return layer.img
	}
	allExport(){
		let exportCanvas = this.temporarilyExport()
		MyCanvas.canvas.forEachObject((obj) =>{
			if(obj.custom?.layerId != -1){
				obj.clone((cloned)=>{
					this.setClone(obj,cloned)
					exportCanvas.add(cloned)
				})

			}
		});
		let data = exportCanvas.toDataURL("image/png");
		this.closeTemporarilyExport(exportCanvas)
		return data
	}
}
export default new MyCanvas()