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<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
    
<mx:Script>
        
<![CDATA[
            import mx.graphics.codec.PNGEncoder;
            import mx.graphics.codec.JPEGEncoder;
            import mx.utils.Base64Encoder;
            private var encoder:Base64Encoder;
            private var encodeTarget:ByteArray;
            
            private function loadImage():void
            {
                indentityImg.load(imageSrc.text);
            }
            
            private function encodeImage():void
            {                
                var bmp:Bitmap = indentityImg.content as Bitmap;
                var bmpData:BitmapData = bmp.bitmapData;
                switch("jpg"){
                    case "bmp":
                        encodeTarget = bmpData.getPixels(bmpData.rect);
                        break;
                    case "jpg":
                        var jpg:JPEGEncoder = new JPEGEncoder(100);
                        encodeTarget = jpg.encode(bmpData);
                        break;
                    case "png":
                        var png:PNGEncoder = new PNGEncoder();
                        encodeTarget = png.encode(bmpData);
                        break;
                }
                
                encodeTarget.position = 0;
                
                encoder = new Base64Encoder();
                encoder.insertNewLines = false;
                encoder.reset();
                encoder.encodeBytes(encodeTarget,0,encodeTarget.length);
                resultTxt.text = encoder.flush();
            }
        
]]>
    
</mx:Script>
    
<mx:Image id="indentityImg" x="10" y="64" width="187" height="112" source="image2.jpg"/>
    
<mx:Button x="458" y="5" label="fetch" click="loadImage()"/>
    
<mx:Button x="260" y="169" label="encode" click="encodeImage()"/>
    
<mx:TextArea x="10" y="210" width="317" height="158" id="resultTxt" wordWrap="true" editable="false"/>
    
<mx:Label x="10" y="184" text="result" width="115"/>
    
<mx:TextInput id="imageSrc" x="10" y="5" width="425" editable="true">
        
<mx:text>http://avatar.profile.csdn.net/7/B/4/1_remote_roamer.jpg</mx:text>
    
</mx:TextInput>    
    
</mx:Application>
posted on 2009-04-28 11:29 单飞 阅读(301) 评论(0)  编辑  收藏 所属分类: flex

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