1  import java.awt.Color;

  2  

  3  public class Negative

  4  {

  5     public static void main(String[] args)

  6     {

  7        Picture pic = new Picture();

  8        pic.load("queen-mary.png");

  9        for (int x = 0; x < pic.getWidth(); x++)

 10        {

 11           for (int y = 0; y < pic.getHeight(); y++)

 12           {

 13              Color original = pic.getColorAt(x, y);

 14              Color negative = new Color(255 - original.getRed(), 

 15                 255 - original.getGreen(), 

 16                 255 - original.getBlue());

 17              pic.setColorAt(x, y, negative);

 18           }

 19        }

 20     }

 21  }