CircleLoaderExample.as

//AS3///////////////////////////////////////////////////////////////////////////
// seanhellwig@gmail.com
////////////////////////////////////////////////////////////////////////////////

package {
    import flash.display.Sprite;
    import flash.display.Loader;
    import flash.events.Event;
    import flash.events.ProgressEvent;
    import flash.text.TextFormat;
    import flash.net.URLRequest;

    import com.seanhellwig.preloaders.CirclePreloader;

    [SWF(width="650", height="650", backgroundColor="#FFFFFF", frameRate="30")]
    public class CircleLoaderExample extends Sprite {
            private var _loader:Loader = new Loader();
            private var _loaderTF:TextFormat;
            private var _circleLoader:CirclePreloader;
            private static const RADIUS:int = 300;
            
            //test image found on google images, using it because it is large in filesize.
            private static const TEST_IMAGE:String = "http://mms.space.swri.edu/MMSposter-large.jpg";


        public function CircleLoaderExample() { 

            _loaderTF = new TextFormat();
            _loaderTF.size = 125;
            
            _circleLoader = new CirclePreloader(0x000000, 25, 1.0, RADIUS, true, _loaderTF);
            this.addChild(_circleLoader);
            _loader.contentLoaderInfo.addEventListener(Event.OPEN, onOpen);
            _loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, onProgress);
            _loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onComplete);
            //extra url query string added for no caching purposes
            _loader.load(new URLRequest(TEST_IMAGE+"?"+new Date().toString()));
            
        }

        private function onOpen(e:Event):void{
                _circleLoader.reset();
                trace("init");
        }


        private function onProgress(e:ProgressEvent):void {
            _circleLoader.update(e.bytesLoaded, e.bytesTotal);
        }


        private function onComplete(e:Event):void{
            trace("load completed");
        }
    }
}