package {
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.MouseEvent;
    import flash.filters.BitmapFilter;
    import flash.filters.BitmapFilterQuality;
    import flash.filters.DropShadowFilter;

    public class DropShadowFilterExample extends Sprite {
        private var bgColor:uint = 0xFFCC00;
        private var size:uint    = 80;
        private var offset:uint  = 50;

        public function DropShadowFilterExample() {
            draw();
            var filter:BitmapFilter = getBitmapFilter();
            var myFilters:Array = new Array();
            myFilters.push(filter);
            filters = myFilters;
        }

        private function getBitmapFilter():BitmapFilter {
            var color:Number = 0x000000;
            var angle:Number = 45;
            var alpha:Number = 0.8;
            var blurX:Number = 8;
            var blurY:Number = 8;
            var distance:Number = 15;
            var strength:Number = 0.65;
            var inner:Boolean = false;
            var knockout:Boolean = false;
            var quality:Number = BitmapFilterQuality.HIGH;
            return new DropShadowFilter(distance,
                                        angle,
                                        color,
                                        alpha,
                                        blurX,
                                        blurY,
                                        strength,
                                        quality,
                                        inner,
                                        knockout);
        }

        private function draw():void {
            graphics.beginFill(bgColor);
            graphics.drawRect(offset, offset, size, size);
            graphics.endFill();
        }
    }
}