[AS3]as3代码实现调用摄像头进行拍照的范例源代码

[AS3]as3代码实现调用摄像头进行拍照的范例源代码，as3拍照功能

package   
{ 
         
        import flash.display.Loader; 
        import flash.display.Sprite; 
        import flash.geom.ColorTransform; 
        import flash.geom.Matrix; 
        import flash.geom.Point; 
        import flash.geom.Rectangle; 
        import flash.media.Camera; 
        import flash.media.Video; 
        import flash.events.Event; 
        import flash.display.SimpleButton; 
        import fl.controls.Button; 
        import flash.events.MouseEvent; 
        import flash.events.ActivityEvent; 
        import flash.display.BitmapData; 
        import flash.display.Bitmap; 
        import flash.display.StageScaleMode; 
        import flash.events.DataEvent; 
        import flash.net.FileFilter; 
        import flash.net.FileReference; 
        import flash.utils.ByteArray; 
        import com.adobe.images.PNGEncoder; 
        import flash.net.URLLoader; 
        import flash.net.URLRequest; 
        import flash.events.IOErrorEvent; 
        import flash.net.URLRequestMethod; 
        import flash.events.ProgressEvent; 
        import cn.mococo.component.Alert; 
        import cn.mococo.DataManager; 
        import flash.net.URLLoaderDataFormat; 
        import flash.display.MovieClip; 
        import flash.utils.getTimer; 
         
        public class main extends Sprite 
        { 
                private var camera:Camera; 
                private var video:Video; 
                private var takePhotoBtn:Button; 
                private var savePhotoBtn:Button; 
                private var bitmap:Bitmap; 
                private var bitmapdata:BitmapData; 
                 
                private var vidBmpPoint:Point; 
        private var vidBmpRect:Rectangle; 
                 
                private var jpgencoder:PNGEncoder;// = new JPGEncoder(80); 
                private var bytesArr:ByteArray; 
                private var webURL:String = 'http://localhost/as3test/'; 
                 
                public function main()  
                { 
                        DataManager.STAGE_ROOT = this; 
                        addEventListener(Event.ADDED_TO_STAGE, init); 
                } 
                 
                private var w:int = 160; 
                private var h:int = 120; 
                private var file:FileReference; 
                private var fileFilter:FileFilter; 
                 
                private function init(e:Event):void 
                { 
                        if ( e.type == Event.ADDED_TO_STAGE ) 
                        { 
                                stage.scaleMode = StageScaleMode.NO_SCALE; 
                                removeEventListener(Event.ADDED_TO_STAGE, init); 
                                camera = Camera.getCamera(); 
                                camera.addEventListener(ActivityEvent.ACTIVITY, onActivity); 
                                camera.setMode(w, h, 20, true); 
                                camera.setQuality(0, 100); 
                                video = new Video(w,h); 
                                video.attachCamera(camera); 
                video.smoothing = true; 
                                video.x = 350 
                                video.y = 30; 
                                addChild(video); 
                                 
                                takePhotoBtn = new Button(); 
                                addChild(takePhotoBtn); 
                                takePhotoBtn.x = 30; 
                                takePhotoBtn.y = 10; 
                                takePhotoBtn.label = 'Take a photo!'; 
                                takePhotoBtn.addEventListener(MouseEvent.CLICK, takePhoto); 
                                 
                                savePhotoBtn = new Button(); 
                                addChild(savePhotoBtn); 
                                savePhotoBtn.x = 130; 
                                savePhotoBtn.y = 10; 
                                savePhotoBtn.label = 'Save this photo!'; 
                                savePhotoBtn.addEventListener(MouseEvent.CLICK, takePhoto); 
                        } 
                } 
                 
                private function selectHandler(e:Event):void 
                { 
                        var file:FileReference = FileReference(e.target); 
            trace("selectHandler: name=" + file.name); 
                        var uploadURL:URLRequest = new URLRequest(webURL + "upload.php"); 
            file.upload(uploadURL); 
                } 
                 
                private var ploader:Loader; 
                private function loadedHandler(e:DataEvent):void 
                { 
                        trace('ok:  ' + String(e.data).length); 
                        var s:String = String(e.data).substr(1); 
                        ploader = new Loader(); 
                        ploader.contentLoaderInfo.addEventListener(Event.COMPLETE, addPicture); 
                        trace('http://localhost/as3test/' + s); 
                        ploader.load(new URLRequest('http://localhost/as3test/' + s)); 
                } 
                 
                private function loaded(e:Event):void 
                { 
                        trace('loaded : ' + e.currentTarget); 
                } 
                 
                private function addPicture(e:Event):void 
                { 
                        trace('addPicture'); 
                        addChild(e.currentTarget.content); 
                } 
                 
                private function onActivity(e:ActivityEvent):void 
                { 
                        //trace(e.activating); 
                } 
                 
                import flash.display.BlendMode; 
                 
                private function takePhoto(e:MouseEvent):void 
                { 
                        if ( e.currentTarget == takePhotoBtn ) 
                        { 
                                bitmapdata = new BitmapData(150, 150, true, 0xff0000); 
                                bitmapdata.draw(video); 
                                bitmap = new Bitmap(bitmapdata); 
                                addChild(bitmap); 
                                bitmap.x = 350;// 60 + camera.width; 
                                bitmap.y = 230; 
                        } 
                        else 
                        { 
                                var mybitmapdata:BitmapData = new BitmapData(110, 110, true, 0xff0000); 
                                mybitmapdata.copyPixels(bitmap.bitmapData, new Rectangle(20, 20, 100, 100),new Point()); 
                                 
                                bytesArr = PNGEncoder.encode(mybitmapdata); 
                                var request:URLRequest = new URLRequest(); 
                                //data值就为图片编码数据ByteArray; 
                                request.data = bytesArr; 
                                request.url = webURL + "upload.php?FileName=" + getTimer(); 
                                request.method = URLRequestMethod.POST; 
                                //这个是关键,内容类型必须是下面文件流形式; 
                                request.contentType = "application/octet-stream"; 
                                var loader:URLLoader = new URLLoader(); 
                                loader.dataFormat = URLLoaderDataFormat.BINARY; 
                                loader.addEventListener(Event.COMPLETE, completeHandler); 
                                loader.addEventListener(ProgressEvent.PROGRESS, progressHandler);         
                                loader.load(request);    
                        } 
                } 
                 
                private function progressHandler(e:ProgressEvent):void 
                { 
                        //trace(int(Math.round(e.bytesLoaded / e.bytesTotal * 100))); 
                } 
                 
                private function completeHandler(e:Event):void 
                { 
                        var fileName:String = String(e.currentTarget.data);// + '.jpg'; 
                        trace('fileName: ' + fileName); 
                        Alert.show('保存成功'); 
                        var downloadURL:URLRequest = new URLRequest(); 
            downloadURL.url = webURL + fileName + "?" + Math.random(); 
                        trace('downloadURL: ' + downloadURL.url); 
            file = new FileReference(); 
            //file.download(downloadURL);Alert.show('保存成功'); 
                } 
        } 
         
} 

来源 http://bbs.9ria.com/thread-24194-1-1.html