import java.awt.event.MouseEvent;

public class RemoveBackground extends PixelOperater{
	int[] backgroundPixelArray ;
	
	RemoveBackground(){
		super();
		setTitle("RemoveBackground");
		grabBackground();
	}
	
	public void grabBackground(){
		backgroundPixelArray = (int[]) ps.getPixelArray().clone();
	}
	
	public static void main(String[] args){
		RemoveBackground br = new RemoveBackground();
		br.startVideo();
	}

	public void performPixelOp(int _x, int _y){
		
		int[] rgb = ps.getPixel(_x,_y);
		int[] brgb = ps.getPixel(backgroundPixelArray,_x,_y);
		int diff = Math.abs(rgb[1]-brgb[1]) +Math.abs(rgb[2]-brgb[2])+Math.abs(rgb[3]-brgb[3]);
		if (diff < threshold){
			ps.setPixel(_x,_y,255,0,0,0);
		}
	}
	
	public void mouseReleased(MouseEvent e) {
		grabBackground();
		
	}
	

}