package {

	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.geom.Point;

	[SWF(width=1200, height=600, backgroundColor=0x000000)]

	/**
	* Demonstrates how two images can be combines by using BitmapDta's merge() method.
	*/
	public class graphic_flex_image_effects_04_Flex_MergeTest extends graphic_flex_image_effects_04_Flex_DualImageTest {

		/**
		* Called after two images have been loaded by super class.
		* This creates a third image using merge() with loaded images.
		*/
		override protected function operateOnImages():void {
			var bitmap0:Bitmap = getChildAt(0) as Bitmap;
			var bitmap1:Bitmap = getChildAt(1) as Bitmap;
			var mergedData:BitmapData = new BitmapData(bitmap0.width, bitmap0.height);
			// first, draw in first image
			mergedData.draw(bitmap0);
			// second, merge data from second image
			mergedData.merge(bitmap1.bitmapData, mergedData.rect, new Point(), 0, 0xFF, 0x7F, 0);
			var bitmap:Bitmap = new Bitmap(mergedData);
			addChild(bitmap);
			// place to the right of loaded images
			bitmap.x = bitmap1.x + bitmap1.width;
		}

	}

}