<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"
 creationComplete="init();"
 >
 <mx:Script>
  <![CDATA[
   import org.gif.encoder.GIFEncoder;
   import com.saeasoft.util.UploadPostHelper;
   import mx.collections.ArrayCollection;
   import mx.graphics.codec.PNGEncoder;
   import mx.graphics.codec.JPEGEncoder;
   import mx.graphics.codec.IImageEncoder;
   
   import mx.printing.FlexPrintJobScaleType;
   import mx.printing.PrintAdvancedDataGrid;
   import mx.printing.FlexPrintJob;
   
   private var imageType:String = "JPEG";
   
   private var imageTypeArray : ArrayCollection = new ArrayCollection([
    {label : "jpeg", data: 'jpeg'},
    {label : "png", data: 'png'},
    {label : "gif", data: 'gif'}
   ]);
   
   private var bitmapData:BitmapData;
   
   private function init():void{
    draw();
   }
   var bitmap:Bitmap;
   private function draw():void{
    var canvas:Sprite = new Sprite();
    var bitmapData:BitmapData = new BitmapData(500, 500, false, 0xffffffff);
    bitmap = new Bitmap(bitmapData);
    bitmapData.fillRect(new Rectangle(0,0,100,100), 0x000000);
    bitmapData.fillRect(new Rectangle(100,10,200,200), 0x000000);
    canvas.addChild(bitmap);
    content.addChild(canvas); 
   }
      
   private function saveImage():void
   {
    var imageEncoder:IImageEncoder;
    var gifImageEncoder : GIFEncoder;
    if(imageType.toUpperCase() == "JPEG") imageEncoder = new JPEGEncoder(); 
    else if(imageType.toUpperCase() == "PNG") imageEncoder = new PNGEncoder();
    else if(imageType.toUpperCase() == "GIF") gifImageEncoder = new GIFEncoder();
    var byteArray:ByteArray;
    if(imageType.toUpperCase() == "GIF" ){
     gifImageEncoder.start();
     gifImageEncoder.setRepeat(0);
     gifImageEncoder.addFrame(bitmap.bitmapData);
     gifImageEncoder.finish();
     byteArray = gifImageEncoder.stream;
    }else{
     byteArray = imageEncoder.encode(bitmap.bitmapData);
    }    
    var fileName:String = "desiredfilename." + imageType; //저장할 파일 이름이다. 아무거나 적자!
    
    byteArray.position=0;
    var fr:FileReference = new FileReference();
    fr.addEventListener(Event.COMPLETE, eventSaveComplete);
                fr.save(byteArray, fileName );
    /*
    var uploadPath:String = "/servlet/FlexUpload"
    var parameters:URLVariables = new URLVariables();
    parameters.method = "id";
    parameters.userId = "2000321";
    
    var urlRequest:URLRequest = new URLRequest();
    urlRequest.url = uploadPath;
    urlRequest.contentType = 'multipart/form-data; boundary=' + UploadPostHelper.getBoundary();
    urlRequest.method = URLRequestMethod.POST;
    urlRequest.data = UploadPostHelper.getPostData(fileName, byteArray, null ,parameters);
    urlRequest.requestHeaders.push( new URLRequestHeader( 'Cache-Control', 'no-cache' ) );
    
    //var encoder : Base64Encoder = new Base64Encoder();
    var urlLoader:URLLoader = new URLLoader();
    urlLoader.dataFormat = URLLoaderDataFormat.BINARY;
    urlLoader.addEventListener(Event.COMPLETE, onComplate);
    urlLoader.addEventListener(IOErrorEvent.IO_ERROR, onError);
    urlLoader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, onError);
    urlLoader.load(urlRequest);
    */
   }
   
   private function eventSaveComplete(e:Event):void{
    trace("완료");
   }
   
   private function onComplate(e:Event):void{
    var loader:URLLoader = URLLoader(e.target);
    var bytedata:ByteArray = loader.data;
    var strData:String = bytedata.toString();
    trace( strData)
   }
   
   private function onError(e:ErrorEvent):void{
    trace('error');
   }
   
   /**
    * 페이지 인쇄
    **/
   private function printPage():void {
             var myPrintJob:PrintJob = new PrintJob();
             var options:PrintJobOptions = new PrintJobOptions();
             options.printAsBitmap = true;
             myPrintJob.start();
             try {
                 myPrintJob.addPage(content, null, options);
             }
             catch(e:Error) {
                 trace ("Had problem adding the page to print job: " + e);
             }
             try{
              myPrintJob.send();
             }catch (e:Error) {
                 trace ("Had problem printing: " + e);   
             }
         }
        
         private function changeImageTypeHandler(e:Event):void{
          imageType = ComboBox(e.target).selectedItem.data;
         }
  ]]>
 </mx:Script>
 <mx:Canvas width="100%" height="100%">
  <mx:UIComponent id="content" />
  <mx:ControlBar width="100%">
   <mx:Button label="print" click="printPage()"/>
   <mx:ComboBox id="imageCombo" dataProvider="{imageTypeArray}" change="changeImageTypeHandler(event)"/>
   <mx:Button label="image save" click="saveImage()"/>
  </mx:ControlBar>
 </mx:Canvas>
</mx:Application>