flash 在线视频拍照并且保存图片

下面几段代码列出了as 2.0 as 3.0的摄像头拍照功能的实现代码，最后一个由as 3.0 +jsp的实现在线拍照片后再把拍得的照片进行保存到本地或数据的代码。

方法一 as 2.0

cam= Camera.get(); //抓取当前默认的摄像头图像

MyCam.attachVideo(cam);

方法二 as 2.0

var my_video:Video;
my_video.clear()
my_video._x=100;
my_video._y=40;
var my_cam:Camera = Camera.get();
my_cam.setMode(180, 140, 10, true);
my_video.attachVideo(my_cam);
shutter.onRelease = function() {
    myBitmap = new flash.display.BitmapData(160, 120, true, 0);
    myBitmap.draw(my_video);
    var tempObj = _root.createEmptyMovieClip("photo", 100);
    tempObj._x = 300;
    tempObj._y = 40;
    tempObj._width= 180;
    tempObj._height = 240;
    tempObj.attachBitmap(myBitmap, 1, "always", true);
};

方法三 as 3.0

myCam = Camera.get();
myCam.setMode(266,200,10);
my_video.attachVideo(myCam);

3 ，以下代码实现图片的获得和上传
import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.ColorTransform;

class PrintScreen {

public var addListener:Function
public var broadcastMessage:Function

private var id: Number;
public var record:LoadVars;

function PrintScreen(){
   AsBroadcaster.initialize( this );
}
public function print(mc:MovieClip, w:Number, h:Number){
   broadcastMessage("onStart", mc);
   w = Math.floor(w);
   h = Math.floor(h);
   var bmp:BitmapData = new BitmapData(w, h, false);
   record = new LoadVars();
   record.width = w
   record.height = h
   record.cols   = 0
   record.rows   = 0
   bmp.draw(mc);
   id = setInterval(copysource, 1, this, mc, bmp);
}

private function copysource(scope, movie, bit){
   var pixel:Number
   var str_pixel:String
   scope.record["px" + scope.record.rows] = new Array();
   for(var a = 0; a < bit.width; a++){
    pixel     = bit.getPixel(a, scope.record.rows )
    str_pixel = pixel.toString(16)
    scope.record["px" + scope.record.rows].push(str_pixel)
   }

   scope.record.rows += 1
   if(scope.record.rows >= bit.height){
    clearInterval(scope.id)
    bit.dispose();
   }
}
}

最后再加上一个拍照后再保存到服务器吧。jsp版式

String width = request.getParameter("width");
String height = request.getParameter("height");
int w = Integer.parseInt(width);
   int h = Integer.parseInt(height);
try {
    OutputStream fos = response.getOutputStream();
    BufferedImage bf = new BufferedImage(w, h,
      BufferedImage.TYPE_INT_RGB);

    for (int i = 0; i < bf.getHeight(); i++) {
     String data = request.getParameter("px" + i);
     String[] ds = data.split(",");
     for (int j = 0; j < bf.getWidth(); j++) {
      int d = Integer.parseInt(ds[j], 16);
      bf.setRGB(j, i, d);
     }
    }

    ImageWriter writer = null;
    ImageTypeSpecifier type = ImageTypeSpecifier
      .createFromRenderedImage(bf);
    Iterator iter = ImageIO.getImageWriters(type, "jpg");
    if (iter.hasNext()) {
     writer = (ImageWriter) iter.next();
    }
    if (writer == null) {
     return null;
    }
    IIOImage iioImage = new IIOImage(bf, null, null);
    ImageWriteParam param = writer.getDefaultWriteParam();

param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);

param.setCompressionQuality(0.2f);

    // save to file
    ImageOutputStream outputStream2 = ImageIO
      .createImageOutputStream(response.getOutputStream());
    writer.setOutput(outputStream2);
    writer.write(null, iioImage, param);

fos.close();

   } catch (Exception e) {
    e.printStackTrace();
   }
System.out.println("w = " + w + ",h=" + h);
response.setContentType("image/jpeg");
return null;

补充：flash教程,As3.0