Flex4 合成图片另存为到硬盘

发布时间：2020-12-15 04:50:20 所属栏目：百科来源：网络整理

导读：Xml代码 ? xml version = "1.0" encoding = "utf-8" ? ? s:Application xmlns:fx = "http://ns.adobe.com/mxml/2009" ?? ????? xmlns:s = "library://ns.adobe.com/flex/spark" ?? ????? xmlns:mx = "library://ns.adobe.com/flex/mx" minWidth = "955" minH

Xml代码

<?xml version="1.0" encoding="utf-8"?>?
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"??
????? xmlns:s="library://ns.adobe.com/flex/spark"??
????? xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"?
????? creationComplete="application1_creationCompleteHandler(event)" width="660" height="800">?
<fx:Declarations>?
? ?
???
</fx:Declarations>?
<fx:Script>?
? <![CDATA[
?? import flash.net.FileReference;
??
?? import mx.events.FlexEvent;
?? import mx.graphics.ImageSnapshot;
?? import mx.graphics.codec.JPEGEncoder;
??
?? import spark.events.IndexChangeEvent;
??
?? private var file:FileReference;
?? private var ImageArray:Array;
?? private var bitMapArray:Array;
?? private var currentMoveImage:Image;
?? private var dx:Number;
?? private var dy:Number;
?? private var qyX:Number = 10;
?? private var qyY:Number = 210;
?? private var qyWidth:Number = 640;
?? private var qyHeight:Number = 400;
?? private var bitmapdata:BitmapData;
??
?? [Embed(source='1.gif')]
?? private var gif1:Class;
??
?? [Embed(source='2.gif')]
?? private var gif2:Class;
??
?? [Embed(source='3.gif')]
?? private var gif3:Class;
??
?? [Embed(source='4.gif')]
?? private var gif4:Class;
??
?? [Embed(source='5.gif')]
?? private var gif5:Class;
??
?? [Embed(source='6.gif')]
?? private var gif6:Class;
??
?? [Embed(source='7.gif')]
?? private var gif7:Class;
??
?? [Embed(source='8.gif')]
?? private var gif8:Class;
??
?? [Embed(source='9.gif')]
?? private var gif9:Class;
??
?? [Embed(source='10.gif')]
?? private var gif10:Class;
??
?? [Bindable]private var imgArray:Array = [
??? {imgSource:gif1},
??? {imgSource:gif2},
??? {imgSource:gif3},
??? {imgSource:gif4},
??? {imgSource:gif5},
??? {imgSource:gif6},
??? {imgSource:gif7},
??? {imgSource:gif8},
??? {imgSource:gif9},
??? {imgSource:gif10}
?????????????? ]
??
??
?? /**
??? *点击另存为方法
??? */
?? protected function saveas_clickHandler(event:MouseEvent):void
?? {
??? bitmapdata = new BitmapData(qyWidth,qyHeight);
??? var l:int = bitMapArray.length;
??? for(var i:int = 0;i<l;i++)
??? {
???? var bit:Bitmap = bitMapArray[i];
???? currentMoveImage = ImageArray[i];
???? var bitdata:BitmapData = bit.bitmapData;
???? var rect:Rectangle = new Rectangle(0,currentMoveImage.width,currentMoveImage.height);
???? var point:Point = new Point(currentMoveImage.x-qyX,currentMoveImage.y-qyY);
???? bitmapdata.copyPixels(bitdata,rect,point);
??? }
??? saveImg.source = new Bitmap(bitmapdata);
??? var timer:Timer = new Timer(10,1);
??? timer.addEventListener(TimerEvent.TIMER_COMPLETE,onTimerComplete);
??? timer.start();
?? }
??
?? /**
??? *延时10毫秒等待数据加载完
??? */
?? private function onTimerComplete(event:TimerEvent):void
?? {
??? var imgData:ImageSnapshot = ImageSnapshot.captureImage(saveImg,0);
??? file.save(imgData.data,"image.png");
?? }
??
?? /**
??? *点击清除
??? */
?? private function clearImg(event:MouseEvent):void
?? {
??? for(var i:int = 0;i<ImageArray.length;i++)
??? {
???? this.removeElement(ImageArray[i]);
??? }
??? ImageArray = [];
??? bitMapArray = [];
?? }
??
?? private function onChange(event:IndexChangeEvent):void
?? {
??? var obj:Object = list.selectedItem;
??? var bit:Bitmap = new obj.imgSource();
??? bitMapArray.push(bit);
??? var img:Image = new Image();
??? img.source = obj.imgSource;
??? img.y = 220;
??? img.x = 20;
??? img.buttonMode = true;
??? img.addEventListener(MouseEvent.MOUSE_DOWN,onDown);
??? ImageArray.push(img);
??? this.addElement(img);
??? list.selectedIndex = -1;
?? }
?? /**
??? *鼠标按下
??? */
?? private function onDown(event:MouseEvent):void
?? {
??? currentMoveImage = event.target as Image;
??? dx = mouseX - currentMoveImage.x;
??? dy = mouseY - currentMoveImage.y;
??? this.stage.addEventListener(MouseEvent.MOUSE_MOVE,onMove);
??? this.stage.addEventListener(MouseEvent.MOUSE_UP,onUp);
?? }
?? /**
??? *鼠标移动实现图片拖动
??? */
?? private function onMove(event:MouseEvent):void
?? {
??? currentMoveImage.x = mouseX-dx;
??? currentMoveImage.y = mouseY-dy;
??? if(currentMoveImage.x<qyX){
???? currentMoveImage.x = qyX+1;
??? }
??? if(currentMoveImage.x+currentMoveImage.width>qyWidth+qyX){
???? currentMoveImage.x = qyWidth+qyX-1-currentMoveImage.width;
??? }
??? if(currentMoveImage.y<qyY){
???? currentMoveImage.y = qyY+1;
??? }
??? if(currentMoveImage.y+currentMoveImage.height>(qyHeight+qyY)){
???? currentMoveImage.y = qyHeight+qyY-1-currentMoveImage.height;
??? }
?? }
?? /**
??? *鼠标抬起移除事件
??? */
?? private function onUp(event:MouseEvent):void
?? {
??? this.stage.removeEventListener(MouseEvent.MOUSE_MOVE,onMove);
??? this.stage.removeEventListener(MouseEvent.MOUSE_UP,onUp);
??? currentMoveImage = null;
?? }
?? protected function application1_creationCompleteHandler(event:FlexEvent):void
?? {
??? //创建上传下载文件对象
??? file = new FileReference();
??? //实例化数组盛放创建完得图片
??? ImageArray = new Array();
??? bitMapArray = new Array();
???
??? saveImg.width = qyWidth;
??? saveImg.height = qyHeight;
??? k.graphics.lineStyle(1,0x222222,1);
??? k.graphics.drawRect(qyX,qyY,qyWidth,qyHeight);
??? k.graphics.endFill();
?? }
? ]]>?
</fx:Script>?
<s:Label x="23" y="10" text="请选择图片进行拼图" height="23" color="#F70606" fontFamily="宋体" fontSize="15"/>?
<s:List x="23" y="30" width="611" itemRenderer="imgRender" height="158" id="list" change="onChange(event)">?
? <s:layout>?
?? <s:HorizontalLayout/>?
? </s:layout>?
? <s:dataProvider>?
?? <s:ArrayCollection source="{imgArray}"/>?
? </s:dataProvider>?
</s:List>?
<s:Button x="11" y="653" label="另存为" id="saveas" click="saveas_clickHandler(event)" visible="true"/>?
<mx:Image id="saveImg" visible="false"/>?
<s:SpriteVisualElement id="k"/>?
<s:Button x="104" y="653" label="清除" click="clearImg(event)"/>?
</s:Application>?

zhuan zi :http://632408004.iteye.com/blog/940881

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