Rozmazani

package test;

import java.awt.*;
import java.awt.image.*;

public class Vodovky {

    public BufferedImage rozmaz(BufferedImage bi) {
        int width = bi.getWidth(), height = bi.getHeight(), rgb;
        BufferedImage out = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        Graphics g = out.getGraphics();
        g.drawImage(bi, 0, 0, null);
        for (int i = 0; i < width; i++) {
            for (int j = 0; j < height; j++) {
                rgb = bi.getRGB(i, j);
                g.setColor(new Color(rgb | (128<<24), true));
                g.drawRect(i-1, j-1, 2, 2);

                g.setColor(new Color(rgb | (64<<24), true));
                g.drawRect(i-2, j-2, 4, 4);

                g.setColor(new Color(rgb | (32<<24), true));
                g.drawRect(i-3, j-3, 6, 6);

                g.setColor(new Color(rgb | (16<<24), true));
                g.drawRect(i-4, j-4, 8, 8);

                g.setColor(new Color(rgb | (8<<24), true));
                g.drawRect(i-5, j-5, 10, 10);
            }
        }

        return out;
    }

}