I believe most people just go ahead and load again because the file
should be in the browser cache once it has been loaded.
I would also be interested in the performance effects of each method.
Steve
On 1/29/08, ronnlixx <[EMAIL PROTECTED]> wrote:
> Say i have 400 objects that contain the same loaded png, whats the
> suggested way to avoid loading the same asset repeatedly?
>
> Here's what I did, don't know if it's nuts though.
> To avoid loading the same png every time I made a singleton of the
> PhotoFrame class and return a copy of the origional png as a bitmap.
> It works, don't know the performace difference between using a new
> Loader vs creating cloned bitmaps each iteration.
> What is the suggested way to avoid loading the same asset multiple
> times?
>
>
> for (var i:int=0; i < 400; i++){
> new Photo(photoXML, PhotoFrame.getInstance().frame);
> }
>
> public class PhotoFrame extends Sprite
> {
> private static var instance:PhotoFrame = null;
> private var _loader:Loader = null;
>
> public function PhotoFrame(){
> _loader = new Loader();
> _loader.contentLoaderInfo.addEventListener(Event.COMPLETE,
> onFrameLoaded);
>
> _loader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR,
> onLoadError);
> _loader.load( new URLRequest("frame.png") );
> }
>
> public static function getInstance():PhotoFrame{
> if(instance == null) instance = new PhotoFrame();
> return instance as PhotoFrame;
> }
>
> public function get frame():Bitmap{
> var image:Bitmap = Bitmap(_loader.content);
> return new Bitmap(image.bitmapData.clone());
> }
>
> private function onLoadError(e:IOErrorEvent):void{
> trace(e.text);
> }
>
> private function onFrameLoaded(e:Event):void{
> trace('loaded');
> }
> }
>
>
> public class Photo extends EventDispatcher
> {
> private var _frame:PhotoFrame;
>
> public function Photo(photoXML:XML, frame:PhotoFrame){
> _frame = frame;
> addChild(_frame);
> //...
> }
>
> }
>
>
>
>
>
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