/**
	Company:		Shout3D LLC
	Project:		Shout3D 2.0 Sample Code
	Class:			InvertSceneEffect
	Date:			March 23, 2000
	Description:	A simple example of a PostRenderEffect that inverts the colors of the scene.
	(C) Copyright Shout3D LLC. - 1997-2001 - All rights reserved
 */

package custom_nodes;
import shout3d.core.*;
import shout3d.*;
import java.awt.Graphics;

/**
 * InvertSceneEffect
 *
 * @author Dave Westwood
 */

public class InvertSceneEffect extends PostRenderEffect {

	/**
	 * Constructs a default InvertSceneEffect node.
	 */
	public InvertSceneEffect() {}

    public void filter(Graphics offScreenGraphics, int surface_pixel_bits[], float z_buffer[], int deviceWidth, int deviceHeight) {
		if (surface_pixel_bits == null)
			return;
        for (int i=0;i<surface_pixel_bits.length;i++){
            surface_pixel_bits[i] = 0xff000000 +
                                    ((255-((surface_pixel_bits[i]>>16)&0xff))<<16) +    // invert red
                                    ((255-((surface_pixel_bits[i]>>8)&0xff))<<8) +      // invert green
                                    ((255-((surface_pixel_bits[i])&0xff)));             // invert blue
        }
    }
}