[AS3]as3直接基于摄像头来做截屏功能

[AS3]as3直接基于摄像头来做截屏功能 

function savepicto21(e:MouseEvent):void//保存图片 
{ 
        //var bitmapdata:BitmapData = new BitmapData(video.width, video.height); 
        //bitmapdata.draw(video); 
        var jpgEncoder:JPGEncoder = new JPGEncoder(80); 
        //图片质量 
        var jpgStream:ByteArray = jpgEncoder.encode(bitmapdata); 
        var header:URLRequestHeader = new URLRequestHeader ("Content-type", "application/octet-stream"); 
        var jpgURLRequest = new URLRequest ("ben.php?name=camera.jpg"); //此web url请自行修改 
        jpgURLRequest.requestHeaders.push(header); 
        jpgURLRequest.method = URLRequestMethod.POST; 
        jpgURLRequest.data = jpgStream; 
        navigateToURL(jpgURLRequest,"_blank"); 
} 
function clickHandler(e:MouseEvent):void//保存图片 
{ 
        var bitmapdata:BitmapData = new BitmapData(video.width, video.height); 
        bitmapdata.draw(video); 
        var jpgEncoder:JPGEncoder = new JPGEncoder(80); 
        //图片质量 
        var jpgStream:ByteArray = jpgEncoder.encode(bitmapdata); 
        var header:URLRequestHeader = new URLRequestHeader ("Content-type", "application/octet-stream"); 
        var jpgURLRequest = new URLRequest ("http://127.0.0.1/news/ben.php?name=camera.jpg"); //此web url请自行修改 
        jpgURLRequest.requestHeaders.push(header); 
        jpgURLRequest.method = URLRequestMethod.POST; 
        jpgURLRequest.data = jpgStream; 
        navigateToURL(jpgURLRequest,"_blank"); 
} 
function clickHandler2(e:MouseEvent):void//保存图片 
{ 
        bitmapdata.draw(video); 
        var bm:Bitmap=new Bitmap(bitmapdata); 
        sh.addChild(bm); 
        
} 
 
 
 
var video:Video=new Video(400,300); 
var bitmapdata:BitmapData = new BitmapData(video.width, video.height); 
addChild(video); 
if(Camera.getCamera()==null){bent.text="摄像头不存在或其它程序占用该设备";} 
video.attachCamera(Camera.getCamera()); 
/*var btn:Sprite = new Sprite; 
btn.graphics.beginFill(0,1); 
btn.graphics.drawRoundRect(0,0,100,25,10); 
btn.x = 110; 
btn.y = 250; 
btn.buttonMode = true; 
btn.addEventListener(MouseEvent.CLICK, clickHandler); 
addChild(btn);*/ 
ben_but.addEventListener(MouseEvent.CLICK, clickHandler2); 
save.addEventListener(MouseEvent.CLICK, savepicto21);