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Asked: 2026-05-11T07:00:30+00:00

Here is my new code but it does not render external image, please help.

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Here is my new code but it does not render external image, please help.

//load libs import flash.net.*; import flash.geom.Matrix; import flash.display.*; import flash.events.*; import com.adobe.images.JPGEncoder;  function myLoader() {     var loader:Loader = new Loader();     loader.contentLoaderInfo.addEventListener(Event.COMPLETE, sketch);      var request:URLRequest = new URLRequest('http://www.sergiorodriguez.org/images/2008_5_FXD_VividBlack.jpg');     loader.load(request);     //addChild(loader);  }  //action for mouse  stage.addEventListener(MouseEvent.MOUSE_MOVE, moveCursor); Mouse.hide();  function moveCursor(event:MouseEvent):void{     pencil.x = event.stageX;     pencil.y = event.stageY; }   var canvas_mc;     canvas_mc = new MovieClip()  addChildAt(canvas_mc,0); canvas_mc.swapDepths  //draw area to sketch function sketch(e:Event):void{     //load bitmap and draw it to memory     var myBitmapData;         myBitmapData = new BitmapData(500, 500);         myBitmapData.draw(e);      //define matrix     var matrix;         matrix = new flash.geom.Matrix();      //start canvas     canvas_mc.graphics.beginBitmapFill(myBitmapData,matrix, true, true);     canvas_mc.graphics.drawRect(0, 0, 500, 500);     canvas_mc.graphics.endFill();      //listening  events     canvas_mc.addEventListener(MouseEvent.MOUSE_DOWN, startDrawing);     canvas_mc.addEventListener(MouseEvent.MOUSE_UP, stopDrawing);     canvas_mc.addEventListener(MouseEvent.MOUSE_MOVE, makeLine);     }         //mouse draws on press function startDrawing(event:MouseEvent):void{        canvas_mc.graphics.lineStyle(1, 0, 1);     canvas_mc.graphics.moveTo(mouseX, mouseY);     canvas_mc.addEventListener(MouseEvent.MOUSE_MOVE, makeLine); }  //mouse stops drawing on realese function stopDrawing(event:MouseEvent):void{     canvas_mc.removeEventListener(MouseEvent.MOUSE_MOVE, makeLine); }  //creates lines function makeLine(event:MouseEvent):void{     canvas_mc.graphics.lineTo(mouseX, mouseY);   }  //call function myLoader()  //start to save onto server var serverPath:String = ''; function createJPG(m:MovieClip, q:Number, fileName:String){     var jpgSource:BitmapData = new BitmapData (m.width, m.height);     jpgSource.draw(m);     var jpgEncoder:JPGEncoder = new JPGEncoder(q);     var jpgStream:ByteArray = jpgEncoder.encode(jpgSource);     var header:URLRequestHeader = new URLRequestHeader ('Content-type', 'application/octet-stream');     var jpgURLRequest:URLRequest = new URLRequest ( serverPath+'jpg_encoder_download.php?name=' + fileName + '.jpg');            jpgURLRequest.requestHeaders.push(header);                   jpgURLRequest.method = URLRequestMethod.POST;                    jpgURLRequest.data = jpgStream;      var jpgURLLoader:URLLoader = new URLLoader();        //jpgURLLoader.load(jpgURLRequest);          navigateToURL(jpgURLRequest, '_blank'); }  save_btn.addEventListener(MouseEvent.CLICK, saveBtnPress); save_btn.addEventListener(MouseEvent.ROLL_OVER, saveBtnOver); save_btn.addEventListener(MouseEvent.ROLL_OUT, saveBtnOut);  function saveBtnPress(e:Event):void{     createJPG(canvas_mc, 90, 'sketch'); }  function saveBtnOver(e:Event):void{      Mouse.show();     pencil.visible = false; }  function saveBtnOut(e:Event):void{       Mouse.hide();     pencil.visible = true; }
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1 Answer

  1. You need to wait for the image to load before you can draw it:

    public function LoaderExample() {     var loader:Loader = new Loader();     loader.contentLoaderInfo.addEventListener(Event.COMPLETE, handleComplete);      var request:URLRequest = new URLRequest('www.foo.com/image.jpg');     loader.load(request); }  public function handleComplete(e:Event):void {     //do stuff with the image here }
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