package{
import flash.display.*;
import flash.geom.*;
public class Main extends Sprite{
public function Main(){
var bitmapData:BitmapData = new BitmapData(200, 200);
bitmapData.fillRect(new Rectangle(0, 0, 100, 100), 0xFFFF0000);
bitmapData.fillRect(new Rectangle(100, 0, 100, 100), 0xFF00FF00);
bitmapData.fillRect(new Rectangle(0, 100, 100, 100), 0xFF0000FF);
bitmapData.fillRect(new Rectangle(100, 100, 100, 100), 0xFFFFFF00);
var bitmap:Bitmap = new Bitmap(bitmapData);
addChild(bitmap);
}
}
}