683 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			683 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /**
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|  * Created with JetBrains PhpStorm.
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|  * User: xuheng
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|  * Date: 12-5-22
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|  * Time: 上午11:38
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|  * To change this template use File | Settings | File Templates.
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|  */
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| var scrawl = function (options) {
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|     options && this.initOptions(options);
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| };
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| (function () {
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|     var canvas = $G("J_brushBoard"),
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|         context = canvas.getContext('2d'),
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|         drawStep = [], //undo redo存储
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|         drawStepIndex = 0; //undo redo指针
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| 
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|     scrawl.prototype = {
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|         isScrawl: false, //是否涂鸦
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|         brushWidth: -1, //画笔粗细
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|         brushColor: "", //画笔颜色
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| 
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|         initOptions: function (options) {
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|             var me = this;
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|             me.originalState(options);//初始页面状态
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|             me._buildToolbarColor(options.colorList);//动态生成颜色选择集合
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| 
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|             me._addBoardListener(options.saveNum);//添加画板处理
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|             me._addOPerateListener(options.saveNum);//添加undo redo clearBoard处理
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|             me._addColorBarListener();//添加颜色选择处理
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|             me._addBrushBarListener();//添加画笔大小处理
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|             me._addEraserBarListener();//添加橡皮大小处理
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|             me._addAddImgListener();//添加增添背景图片处理
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|             me._addRemoveImgListenter();//删除背景图片处理
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|             me._addScalePicListenter();//添加缩放处理
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|             me._addClearSelectionListenter();//添加清楚选中状态处理
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| 
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|             me._originalColorSelect(options.drawBrushColor);//初始化颜色选中
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|             me._originalBrushSelect(options.drawBrushSize);//初始化画笔选中
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|             me._clearSelection();//清楚选中状态
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|         },
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| 
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|         originalState: function (options) {
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|             var me = this;
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| 
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|             me.brushWidth = options.drawBrushSize;//同步画笔粗细
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|             me.brushColor = options.drawBrushColor;//同步画笔颜色
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| 
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|             context.lineWidth = me.brushWidth;//初始画笔大小
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|             context.strokeStyle = me.brushColor;//初始画笔颜色
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|             context.fillStyle = "transparent";//初始画布背景颜色
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|             context.lineCap = "round";//去除锯齿
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|             context.fill();
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|         },
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|         _buildToolbarColor: function (colorList) {
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|             var tmp = null, arr = [];
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|             arr.push("<table id='J_colorList'>");
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|             for (var i = 0, color; color = colorList[i++];) {
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|                 if ((i - 1) % 5 == 0) {
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|                     if (i != 1) {
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|                         arr.push("</tr>");
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|                     }
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|                     arr.push("<tr>");
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|                 }
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|                 tmp = '#' + color;
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|                 arr.push("<td><a title='" + tmp + "' href='javascript:void(0)' style='background-color:" + tmp + "'></a></td>");
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|             }
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|             arr.push("</tr></table>");
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|             $G("J_colorBar").innerHTML = arr.join("");
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|         },
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| 
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|         _addBoardListener: function (saveNum) {
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|             var me = this,
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|                 margin = 0,
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|                 startX = -1,
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|                 startY = -1,
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|                 isMouseDown = false,
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|                 isMouseMove = false,
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|                 isMouseUp = false,
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|                 buttonPress = 0, button, flag = '';
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| 
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|             margin = parseInt(domUtils.getComputedStyle($G("J_wrap"), "margin-left"));
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|             drawStep.push(context.getImageData(0, 0, context.canvas.width, context.canvas.height));
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|             drawStepIndex += 1;
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| 
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|             domUtils.on(canvas, ["mousedown", "mousemove", "mouseup", "mouseout"], function (e) {
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|                 button = browser.webkit ? e.which : buttonPress;
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|                 switch (e.type) {
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|                     case 'mousedown':
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|                         buttonPress = 1;
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|                         flag = 1;
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|                         isMouseDown = true;
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|                         isMouseUp = false;
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|                         isMouseMove = false;
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|                         me.isScrawl = true;
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|                         startX = e.clientX - margin;//10为外边距总和
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|                         startY = e.clientY - margin;
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|                         context.beginPath();
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|                         break;
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|                     case 'mousemove' :
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|                         if (!flag && button == 0) {
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|                             return;
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|                         }
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|                         if (!flag && button) {
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|                             startX = e.clientX - margin;//10为外边距总和
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|                             startY = e.clientY - margin;
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|                             context.beginPath();
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|                             flag = 1;
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|                         }
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|                         if (isMouseUp || !isMouseDown) {
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|                             return;
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|                         }
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|                         var endX = e.clientX - margin,
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|                             endY = e.clientY - margin;
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| 
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|                         context.moveTo(startX, startY);
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|                         context.lineTo(endX, endY);
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|                         context.stroke();
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|                         startX = endX;
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|                         startY = endY;
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|                         isMouseMove = true;
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|                         break;
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|                     case 'mouseup':
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|                         buttonPress = 0;
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|                         if (!isMouseDown) return;
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|                         if (!isMouseMove) {
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|                             context.arc(startX, startY, context.lineWidth, 0, Math.PI * 2, false);
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|                             context.fillStyle = context.strokeStyle;
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|                             context.fill();
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|                         }
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|                         context.closePath();
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|                         me._saveOPerate(saveNum);
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|                         isMouseDown = false;
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|                         isMouseMove = false;
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|                         isMouseUp = true;
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|                         startX = -1;
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|                         startY = -1;
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|                         break;
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|                     case 'mouseout':
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|                         flag = '';
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|                         buttonPress = 0;
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|                         if (button == 1) return;
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|                         context.closePath();
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|                         break;
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|                 }
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|             });
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|         },
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|         _addOPerateListener: function (saveNum) {
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|             var me = this;
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|             domUtils.on($G("J_previousStep"), "click", function () {
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|                 if (drawStepIndex > 1) {
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|                     drawStepIndex -= 1;
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|                     context.clearRect(0, 0, context.canvas.width, context.canvas.height);
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|                     context.putImageData(drawStep[drawStepIndex - 1], 0, 0);
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|                     me.btn2Highlight("J_nextStep");
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|                     drawStepIndex == 1 && me.btn2disable("J_previousStep");
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|                 }
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|             });
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|             domUtils.on($G("J_nextStep"), "click", function () {
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|                 if (drawStepIndex > 0 && drawStepIndex < drawStep.length) {
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|                     context.clearRect(0, 0, context.canvas.width, context.canvas.height);
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|                     context.putImageData(drawStep[drawStepIndex], 0, 0);
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|                     drawStepIndex += 1;
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|                     me.btn2Highlight("J_previousStep");
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|                     drawStepIndex == drawStep.length && me.btn2disable("J_nextStep");
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|                 }
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|             });
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|             domUtils.on($G("J_clearBoard"), "click", function () {
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|                 context.clearRect(0, 0, context.canvas.width, context.canvas.height);
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|                 drawStep = [];
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|                 me._saveOPerate(saveNum);
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|                 drawStepIndex = 1;
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|                 me.isScrawl = false;
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|                 me.btn2disable("J_previousStep");
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|                 me.btn2disable("J_nextStep");
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|                 me.btn2disable("J_clearBoard");
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|             });
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|         },
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|         _addColorBarListener: function () {
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|             var me = this;
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|             domUtils.on($G("J_colorBar"), "click", function (e) {
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|                 var target = me.getTarget(e),
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|                     color = target.title;
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|                 if (!!color) {
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|                     me._addColorSelect(target);
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| 
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|                     me.brushColor = color;
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|                     context.globalCompositeOperation = "source-over";
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|                     context.lineWidth = me.brushWidth;
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|                     context.strokeStyle = color;
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|                 }
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|             });
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|         },
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|         _addBrushBarListener: function () {
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|             var me = this;
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|             domUtils.on($G("J_brushBar"), "click", function (e) {
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|                 var target = me.getTarget(e),
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|                     size = browser.ie ? target.innerText : target.text;
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|                 if (!!size) {
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|                     me._addBESelect(target);
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| 
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|                     context.globalCompositeOperation = "source-over";
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|                     context.lineWidth = parseInt(size);
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|                     context.strokeStyle = me.brushColor;
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|                     me.brushWidth = context.lineWidth;
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|                 }
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|             });
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|         },
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|         _addEraserBarListener: function () {
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|             var me = this;
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|             domUtils.on($G("J_eraserBar"), "click", function (e) {
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|                 var target = me.getTarget(e),
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|                     size = browser.ie ? target.innerText : target.text;
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|                 if (!!size) {
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|                     me._addBESelect(target);
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| 
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|                     context.lineWidth = parseInt(size);
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|                     context.globalCompositeOperation = "destination-out";
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|                     context.strokeStyle = "#FFF";
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|                 }
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|             });
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|         },
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|         _addAddImgListener: function () {
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|             var file = $G("J_imgTxt");
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|             if (!window.FileReader) {
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|                 $G("J_addImg").style.display = 'none';
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|                 $G("J_removeImg").style.display = 'none';
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|                 $G("J_sacleBoard").style.display = 'none';
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|             }
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|             domUtils.on(file, "change", function (e) {
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|                 var frm = file.parentNode;
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|                 addMaskLayer(lang.backgroundUploading);
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| 
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|                 var target = e.target || e.srcElement,
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|                     reader = new FileReader();
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|                 reader.onload = function (evt) {
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|                     var target = evt.target || evt.srcElement;
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|                     ue_callback(target.result, 'SUCCESS');
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|                 };
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|                 reader.readAsDataURL(target.files[0]);
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|                 frm.reset();
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|             });
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|         },
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|         _addRemoveImgListenter: function () {
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|             var me = this;
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|             domUtils.on($G("J_removeImg"), "click", function () {
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|                 $G("J_picBoard").innerHTML = "";
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|                 me.btn2disable("J_removeImg");
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|                 me.btn2disable("J_sacleBoard");
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|             });
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|         },
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|         _addScalePicListenter: function () {
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|             domUtils.on($G("J_sacleBoard"), "click", function () {
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|                 var picBoard = $G("J_picBoard"),
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|                     scaleCon = $G("J_scaleCon"),
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|                     img = picBoard.children[0];
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| 
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|                 if (img) {
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|                     if (!scaleCon) {
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|                         picBoard.style.cssText = "position:relative;z-index:999;" + picBoard.style.cssText;
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|                         img.style.cssText = "position: absolute;top:" + (canvas.height - img.height) / 2 + "px;left:" + (canvas.width - img.width) / 2 + "px;";
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|                         var scale = new ScaleBoy();
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|                         picBoard.appendChild(scale.init());
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|                         scale.startScale(img);
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|                     } else {
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|                         if (scaleCon.style.visibility == "visible") {
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|                             scaleCon.style.visibility = "hidden";
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|                             picBoard.style.position = "";
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|                             picBoard.style.zIndex = "";
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|                         } else {
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|                             scaleCon.style.visibility = "visible";
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|                             picBoard.style.cssText += "position:relative;z-index:999";
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|                         }
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|                     }
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|                 }
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|             });
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|         },
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|         _addClearSelectionListenter: function () {
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|             var doc = document;
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|             domUtils.on(doc, 'mousemove', function (e) {
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|                 if (browser.ie && browser.version < 11)
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|                     doc.selection.clear();
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|                 else
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|                     window.getSelection().removeAllRanges();
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|             });
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|         },
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|         _clearSelection: function () {
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|             var list = ["J_operateBar", "J_colorBar", "J_brushBar", "J_eraserBar", "J_picBoard"];
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|             for (var i = 0, group; group = list[i++];) {
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|                 domUtils.unSelectable($G(group));
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|             }
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|         },
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| 
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|         _saveOPerate: function (saveNum) {
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|             var me = this;
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|             if (drawStep.length <= saveNum) {
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|                 if (drawStepIndex < drawStep.length) {
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|                     me.btn2disable("J_nextStep");
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|                     drawStep.splice(drawStepIndex);
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|                 }
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|                 drawStep.push(context.getImageData(0, 0, context.canvas.width, context.canvas.height));
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|                 drawStepIndex = drawStep.length;
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|             } else {
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|                 drawStep.shift();
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|                 drawStep.push(context.getImageData(0, 0, context.canvas.width, context.canvas.height));
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|                 drawStepIndex = drawStep.length;
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|             }
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|             me.btn2Highlight("J_previousStep");
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|             me.btn2Highlight("J_clearBoard");
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|         },
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| 
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|         _originalColorSelect: function (title) {
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|             var colorList = $G("J_colorList").getElementsByTagName("td");
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|             for (var j = 0, cell; cell = colorList[j++];) {
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|                 if (cell.children[0].title.toLowerCase() == title) {
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|                     cell.children[0].style.opacity = 1;
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|                 }
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|             }
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|         },
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|         _originalBrushSelect: function (text) {
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|             var brushList = $G("J_brushBar").children;
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|             for (var i = 0, ele; ele = brushList[i++];) {
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|                 if (ele.tagName.toLowerCase() == "a") {
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|                     var size = browser.ie ? ele.innerText : ele.text;
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|                     if (size.toLowerCase() == text) {
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|                         ele.style.opacity = 1;
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|                     }
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|                 }
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|             }
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|         },
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|         _addColorSelect: function (target) {
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|             var me = this,
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|                 colorList = $G("J_colorList").getElementsByTagName("td"),
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|                 eraserList = $G("J_eraserBar").children,
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|                 brushList = $G("J_brushBar").children;
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| 
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|             for (var i = 0, cell; cell = colorList[i++];) {
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|                 cell.children[0].style.opacity = 0.3;
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|             }
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|             for (var k = 0, ele; ele = brushList[k++];) {
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|                 if (ele.tagName.toLowerCase() == "a") {
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|                     ele.style.opacity = 0.3;
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|                     var size = browser.ie ? ele.innerText : ele.text;
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|                     if (size.toLowerCase() == this.brushWidth) {
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|                         ele.style.opacity = 1;
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|                     }
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|                 }
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|             }
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|             for (var j = 0, node; node = eraserList[j++];) {
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|                 if (node.tagName.toLowerCase() == "a") {
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|                     node.style.opacity = 0.3;
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|                 }
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|             }
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| 
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|             target.style.opacity = 1;
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|             target.blur();
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|         },
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|         _addBESelect: function (target) {
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|             var brushList = $G("J_brushBar").children;
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|             var eraserList = $G("J_eraserBar").children;
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| 
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|             for (var i = 0, ele; ele = brushList[i++];) {
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|                 if (ele.tagName.toLowerCase() == "a") {
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|                     ele.style.opacity = 0.3;
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|                 }
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|             }
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|             for (var j = 0, node; node = eraserList[j++];) {
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|                 if (node.tagName.toLowerCase() == "a") {
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|                     node.style.opacity = 0.3;
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|                 }
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|             }
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| 
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|             target.style.opacity = 1;
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|             target.blur();
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|         },
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|         getCanvasData: function () {
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|             var picContainer = $G("J_picBoard"),
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|                 img = picContainer.children[0];
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|             if (img) {
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|                 var x, y;
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|                 if (img.style.position == "absolute") {
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|                     x = parseInt(img.style.left);
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|                     y = parseInt(img.style.top);
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|                 } else {
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|                     x = (picContainer.offsetWidth - img.width) / 2;
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|                     y = (picContainer.offsetHeight - img.height) / 2;
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|                 }
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|                 context.globalCompositeOperation = "destination-over";
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|                 context.drawImage(img, x, y, img.width, img.height);
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|             } else {
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|                 context.globalCompositeOperation = "destination-atop";
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|                 context.fillStyle = "#fff";//重置画布背景白色
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|                 context.fillRect(0, 0, canvas.width, canvas.height);
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|             }
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|             try {
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|                 return canvas.toDataURL("image/png").substring(22);
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|             } catch (e) {
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|                 return "";
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|             }
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|         },
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|         btn2Highlight: function (id) {
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|             var cur = $G(id);
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|             cur.className.indexOf("H") == -1 && (cur.className += "H");
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|         },
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|         btn2disable: function (id) {
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|             var cur = $G(id);
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|             cur.className.indexOf("H") != -1 && (cur.className = cur.className.replace("H", ""));
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|         },
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|         getTarget: function (evt) {
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|             return evt.target || evt.srcElement;
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|         }
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|     };
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| })();
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| 
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| var ScaleBoy = function () {
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|     this.dom = null;
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|     this.scalingElement = null;
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| };
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| (function () {
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|     function _appendStyle() {
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|         var doc = document,
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|             head = doc.getElementsByTagName('head')[0],
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|             style = doc.createElement('style'),
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|             cssText = '.scale{visibility:hidden;cursor:move;position:absolute;left:0;top:0;width:100px;height:50px;background-color:#fff;font-size:0;line-height:0;opacity:.4;filter:Alpha(opacity=40);}'
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|                 + '.scale span{position:absolute;left:0;top:0;width:6px;height:6px;background-color:#006DAE;}'
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|                 + '.scale .hand0, .scale .hand7{cursor:nw-resize;}'
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|                 + '.scale .hand1, .scale .hand6{left:50%;margin-left:-3px;cursor:n-resize;}'
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|                 + '.scale .hand2, .scale .hand4, .scale .hand7{left:100%;margin-left:-6px;}'
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|                 + '.scale .hand3, .scale .hand4{top:50%;margin-top:-3px;cursor:w-resize;}'
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|                 + '.scale .hand5, .scale .hand6, .scale .hand7{margin-top:-6px;top:100%;}'
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|                 + '.scale .hand2, .scale .hand5{cursor:ne-resize;}';
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|         style.type = 'text/css';
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| 
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|         try {
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|             style.appendChild(doc.createTextNode(cssText));
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|         } catch (e) {
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|             style.styleSheet.cssText = cssText;
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|         }
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|         head.appendChild(style);
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|     }
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| 
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|     function _getDom() {
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|         var doc = document,
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|             hand,
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|             arr = [],
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|             scale = doc.createElement('div');
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| 
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|         scale.id = 'J_scaleCon';
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|         scale.className = 'scale';
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|         for (var i = 0; i < 8; i++) {
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|             arr.push("<span class='hand" + i + "'></span>");
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|         }
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|         scale.innerHTML = arr.join("");
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|         return scale;
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|     }
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| 
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|     var rect = [
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|         //[left, top, width, height]
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|         [1, 1, -1, -1],
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|         [0, 1, 0, -1],
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|         [0, 1, 1, -1],
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|         [1, 0, -1, 0],
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|         [0, 0, 1, 0],
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|         [1, 0, -1, 1],
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|         [0, 0, 0, 1],
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|         [0, 0, 1, 1]
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|     ];
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|     ScaleBoy.prototype = {
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|         init: function () {
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|             _appendStyle();
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|             var me = this,
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|                 scale = me.dom = _getDom();
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| 
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|             me.scaleMousemove.fp = me;
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|             domUtils.on(scale, 'mousedown', function (e) {
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|                 var target = e.target || e.srcElement;
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|                 me.start = {x: e.clientX, y: e.clientY};
 | |
|                 if (target.className.indexOf('hand') != -1) {
 | |
|                     me.dir = target.className.replace('hand', '');
 | |
|                 }
 | |
|                 domUtils.on(document.body, 'mousemove', me.scaleMousemove);
 | |
|                 e.stopPropagation ? e.stopPropagation() : e.cancelBubble = true;
 | |
|             });
 | |
|             domUtils.on(document.body, 'mouseup', function (e) {
 | |
|                 if (me.start) {
 | |
|                     domUtils.un(document.body, 'mousemove', me.scaleMousemove);
 | |
|                     if (me.moved) {
 | |
|                         me.updateScaledElement({
 | |
|                             position: {x: scale.style.left, y: scale.style.top},
 | |
|                             size: {w: scale.style.width, h: scale.style.height}
 | |
|                         });
 | |
|                     }
 | |
|                     delete me.start;
 | |
|                     delete me.moved;
 | |
|                     delete me.dir;
 | |
|                 }
 | |
|             });
 | |
|             return scale;
 | |
|         },
 | |
|         startScale: function (objElement) {
 | |
|             var me = this, Idom = me.dom;
 | |
| 
 | |
|             Idom.style.cssText = 'visibility:visible;top:' + objElement.style.top + ';left:' + objElement.style.left + ';width:' + objElement.offsetWidth + 'px;height:' + objElement.offsetHeight + 'px;';
 | |
|             me.scalingElement = objElement;
 | |
|         },
 | |
|         updateScaledElement: function (objStyle) {
 | |
|             var cur = this.scalingElement,
 | |
|                 pos = objStyle.position,
 | |
|                 size = objStyle.size;
 | |
|             if (pos) {
 | |
|                 typeof pos.x != 'undefined' && (cur.style.left = pos.x);
 | |
|                 typeof pos.y != 'undefined' && (cur.style.top = pos.y);
 | |
|             }
 | |
|             if (size) {
 | |
|                 size.w && (cur.style.width = size.w);
 | |
|                 size.h && (cur.style.height = size.h);
 | |
|             }
 | |
|         },
 | |
|         updateStyleByDir: function (dir, offset) {
 | |
|             var me = this,
 | |
|                 dom = me.dom, tmp;
 | |
| 
 | |
|             rect['def'] = [1, 1, 0, 0];
 | |
|             if (rect[dir][0] != 0) {
 | |
|                 tmp = parseInt(dom.style.left) + offset.x;
 | |
|                 dom.style.left = me._validScaledProp('left', tmp) + 'px';
 | |
|             }
 | |
|             if (rect[dir][1] != 0) {
 | |
|                 tmp = parseInt(dom.style.top) + offset.y;
 | |
|                 dom.style.top = me._validScaledProp('top', tmp) + 'px';
 | |
|             }
 | |
|             if (rect[dir][2] != 0) {
 | |
|                 tmp = dom.clientWidth + rect[dir][2] * offset.x;
 | |
|                 dom.style.width = me._validScaledProp('width', tmp) + 'px';
 | |
|             }
 | |
|             if (rect[dir][3] != 0) {
 | |
|                 tmp = dom.clientHeight + rect[dir][3] * offset.y;
 | |
|                 dom.style.height = me._validScaledProp('height', tmp) + 'px';
 | |
|             }
 | |
|             if (dir === 'def') {
 | |
|                 me.updateScaledElement({position: {x: dom.style.left, y: dom.style.top}});
 | |
|             }
 | |
|         },
 | |
|         scaleMousemove: function (e) {
 | |
|             var me = arguments.callee.fp,
 | |
|                 start = me.start,
 | |
|                 dir = me.dir || 'def',
 | |
|                 offset = {x: e.clientX - start.x, y: e.clientY - start.y};
 | |
| 
 | |
|             me.updateStyleByDir(dir, offset);
 | |
|             arguments.callee.fp.start = {x: e.clientX, y: e.clientY};
 | |
|             arguments.callee.fp.moved = 1;
 | |
|         },
 | |
|         _validScaledProp: function (prop, value) {
 | |
|             var ele = this.dom,
 | |
|                 wrap = $G("J_picBoard");
 | |
| 
 | |
|             value = isNaN(value) ? 0 : value;
 | |
|             switch (prop) {
 | |
|                 case 'left':
 | |
|                     return value < 0 ? 0 : (value + ele.clientWidth) > wrap.clientWidth ? wrap.clientWidth - ele.clientWidth : value;
 | |
|                 case 'top':
 | |
|                     return value < 0 ? 0 : (value + ele.clientHeight) > wrap.clientHeight ? wrap.clientHeight - ele.clientHeight : value;
 | |
|                 case 'width':
 | |
|                     return value <= 0 ? 1 : (value + ele.offsetLeft) > wrap.clientWidth ? wrap.clientWidth - ele.offsetLeft : value;
 | |
|                 case 'height':
 | |
|                     return value <= 0 ? 1 : (value + ele.offsetTop) > wrap.clientHeight ? wrap.clientHeight - ele.offsetTop : value;
 | |
|             }
 | |
|         }
 | |
|     };
 | |
| })();
 | |
| 
 | |
| //后台回调
 | |
| function ue_callback(url, state) {
 | |
|     var doc = document,
 | |
|         picBorard = $G("J_picBoard"),
 | |
|         img = doc.createElement("img");
 | |
| 
 | |
|     //图片缩放
 | |
|     function scale(img, max, oWidth, oHeight) {
 | |
|         var width = 0, height = 0, percent, ow = img.width || oWidth, oh = img.height || oHeight;
 | |
|         if (ow > max || oh > max) {
 | |
|             if (ow >= oh) {
 | |
|                 if (width = ow - max) {
 | |
|                     percent = (width / ow).toFixed(2);
 | |
|                     img.height = oh - oh * percent;
 | |
|                     img.width = max;
 | |
|                 }
 | |
|             } else {
 | |
|                 if (height = oh - max) {
 | |
|                     percent = (height / oh).toFixed(2);
 | |
|                     img.width = ow - ow * percent;
 | |
|                     img.height = max;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     //移除遮罩层
 | |
|     removeMaskLayer();
 | |
|     //状态响应
 | |
|     if (state == "SUCCESS") {
 | |
|         picBorard.innerHTML = "";
 | |
|         img.onload = function () {
 | |
|             scale(this, 300);
 | |
|             picBorard.appendChild(img);
 | |
| 
 | |
|             var obj = new scrawl();
 | |
|             obj.btn2Highlight("J_removeImg");
 | |
|             //trace 2457
 | |
|             obj.btn2Highlight("J_sacleBoard");
 | |
|         };
 | |
|         img.src = url;
 | |
|     } else {
 | |
|         alert(state);
 | |
|     }
 | |
| }
 | |
| 
 | |
| //去掉遮罩层
 | |
| function removeMaskLayer() {
 | |
|     var maskLayer = $G("J_maskLayer");
 | |
|     maskLayer.className = "maskLayerNull";
 | |
|     maskLayer.innerHTML = "";
 | |
|     dialog.buttons[0].setDisabled(false);
 | |
| }
 | |
| 
 | |
| //添加遮罩层
 | |
| function addMaskLayer(html) {
 | |
|     var maskLayer = $G("J_maskLayer");
 | |
|     dialog.buttons[0].setDisabled(true);
 | |
|     maskLayer.className = "maskLayer";
 | |
|     maskLayer.innerHTML = html;
 | |
| }
 | |
| 
 | |
| //执行确认按钮方法
 | |
| function exec(scrawlObj) {
 | |
|     if (scrawlObj.isScrawl) {
 | |
|         addMaskLayer(lang.scrawlUpLoading);
 | |
|         var base64 = scrawlObj.getCanvasData();
 | |
|         if (!!base64) {
 | |
|             var options = {
 | |
|                 timeout: 100000,
 | |
|                 headers: editor.options.serverHeaders || {},
 | |
|                 onsuccess: function (xhr) {
 | |
|                     if (!scrawlObj.isCancelScrawl) {
 | |
|                         var responseObj;
 | |
|                         responseObj = eval("(" + xhr.responseText + ")");
 | |
|                         if (responseObj.state === "SUCCESS") {
 | |
|                             var imgObj = {},
 | |
|                                 url = editor.options.scrawlUrlPrefix + responseObj.url;
 | |
|                             imgObj.src = url;
 | |
|                             imgObj._src = url;
 | |
|                             imgObj.alt = responseObj.original || '';
 | |
|                             editor.execCommand("insertImage", imgObj);
 | |
|                             dialog.close();
 | |
|                             // 触发上传涂鸦事件
 | |
|                             editor.fireEvent("uploadsuccess", {
 | |
|                                 res: responseObj,
 | |
|                                 type: 'scrawl'
 | |
|                             });
 | |
|                         } else {
 | |
|                             alert(responseObj.state);
 | |
|                         }
 | |
| 
 | |
|                     }
 | |
|                 },
 | |
|                 onerror: function () {
 | |
|                     alert(lang.imageError);
 | |
|                     dialog.close();
 | |
|                 }
 | |
|             };
 | |
|             options[editor.getOpt('scrawlFieldName')] = base64;
 | |
| 
 | |
|             var actionUrl = editor.getActionUrl(editor.getOpt('scrawlActionName')),
 | |
|                 params = utils.serializeParam(editor.queryCommandValue('serverparam')) || '',
 | |
|                 url = utils.formatUrl(actionUrl + (actionUrl.indexOf('?') == -1 ? '?' : '&') + params);
 | |
|             ajax.request(url, options);
 | |
|         }
 | |
|     } else {
 | |
|         addMaskLayer(lang.noScarwl + "   <input type='button' value='" + lang.continueBtn + "'  onclick='removeMaskLayer()'/>");
 | |
|     }
 | |
| }
 | |
| 
 | 
