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2119530
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2010-01-22T18:30:44.983
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2010-01-22T18:30:44.983
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text
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rhtx was on the right track, but there is no easy way to center the image control with his solution. After some testing I came up with the following to solve this problem. I hope it saves you all some time. Here is the code for the custom component based on a group that contains the image control. <pre><code><s:Group xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/halo" creationComplete="group1_creationCompleteHandler(event)" > <fx:Script> <![CDATA[ public function assignImage(imgUrl:String):void { imgA.source = imgUrl; imgA.visible = true; } protected function group1_creationCompleteHandler(event:FlexEvent):void { this.addEventListener(ResizeEvent.RESIZE, SinglePageViewer_resizeHandler); } protected function group1_resizeHandler(event:ResizeEvent):void { updateImageDimensionsAndPosition(this.width, this.height); } private function updateImageDimensionsAndPosition(w:Number, h:Number):void { var aspect:Number = imgA.width / imgA.height; var containerAspect:Number = w / h; if ( isNaN(aspect) == false ) { if (aspect <= containerAspect) { imgA.height = h; imgA.width = aspect * imgA.height; } else { imgA.width = w; imgA.height = imgA.width / aspect; } // If you want to horizontally center the image, uncomment the following /* var oldX:Number = imgA.x; var newX:Number = w/2 - imgA.width/2; if ( (oldX != newX) && (newX > 0) ) { imgA.x = newX; } */ } } ]]> </fx:Script> <s:Image id="imgA" visible="false" top="0" maintainAspectRatio="true" /> </s:Group> </code></pre> The only other part is in the main application you must specify a maxWidth and maxHeight for the custom component. <pre><code><components.myCustomImageGroup id="cig" maxWidth="500" maxHeight="400" /> </code></pre>
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1. POFlex4, centering and resizing a image inside a group container
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1. USJason
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1. POFlex4, centering and resizing a image inside a group container
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