Flex：平滑来自Flickr的动态图像

Posted 2021-02-26

Lee Brimelow show's how to smooth an image that is loading from Flickr.

<?xml version="1.0" encoding="utf-8"?>
<s:ItemRenderer xmlns:s="library://ns.adobe.com/flex/spark" xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:d="http://ns.adobe.com/fxg/2008/dt" xmlns:mx="library://ns.adobe.com/flex/halo">
 
    <fx:Script>
        <![CDATA[
            import mx.events.FlexEvent;
            import flash.net.navigateToURL;
            protected function image1_clickHandler(event:MouseEvent):void
            {
                navigateToURL(new URLRequest("http://www.flickr.com/photos/"+this.data.owner+"/"+this.data.id));
            }
 
            [Bindable]
            public var loaderContext:LoaderContext;
 
            private function imageInit():void {
 
                loaderContext = new LoaderContext();
                loaderContext.checkPolicyFile = true;
                im.load("http://farm"+data.farm+".static.flickr.com/"+data.server+"/"+data.id+"_"+data.secret+"_s.jpg");
            }
 
        ]]>
    </fx:Script>
 
    <s:states>
        <s:State name="normal"/>
        <s:State name="hovered"/>
        <s:State name="selected"/>
    </s:states>
 
    <mx:Image creationComplete="imageInit()" smoothBitmapContent="true" loaderContext="{loaderContext}" id="im" toolTip="{data.title}" 
              click="image1_clickHandler(event)" buttonMode="true" width="50" height="50" 
              d:userLabel="Layer 10 copy 4" x="0" y="0" maintainAspectRatio="false"/>
 
    <s:Rect d:userLabel="Item Highlight" width="50" height="50">
        <s:stroke>
            <s:SolidColorStroke weight="2" color.normal="0x666666" color.selected="0xFFFFFF" color.hovered="0xFFFFFF"/>
        </s:stroke>
    </s:Rect>
</s:ItemRenderer>