flex用图像给按钮做皮肤

<?xml version="1.0" encoding="utf-8"?>

<s:SparkButtonSkin xmlns:fx="http://ns.adobe.com/mxml/2009" 
             xmlns:s="library://ns.adobe.com/flex/spark" 
             xmlns:fb="http://ns.adobe.com/flashbuilder/2009"
             minWidth="42" minHeight="30" 
             alpha.disabled="0.5">
     
    <fx:Metadata>
        <![CDATA[ 
        /** 
         * @copy spark.skins.spark.ApplicationSkin#hostComponent
         */
        [HostComponent("spark.components.Button")]
        ]]>
    </fx:Metadata>
	<fx:Declarations>
		
	</fx:Declarations>
    
    <!-- states -->
    <s:states>
        <s:State name="up" />
        <s:State name="over" />
        <s:State name="down" />
        <s:State name="disabled" />
    </s:states>
    <s:Rect left="0" right="0" top="0" bottom="0">
		<s:fill>
		    <s:BitmapFill source.up="@Embed('images/1_130927114244_1.png')" smooth="true" fillMode="scale"/>
		</s:fill>
	</s:Rect>
    
</s:SparkButtonSkin>