RandomJitter

import java.awt.image.BufferedImage;
import java.util.Random;

@SuppressWarnings("unused")
public class RandomJitter implements BaseFilter {
    private static final int DEGREE = 4;
    private static final int ITERATIONS = 3;
    private Random rnd;

    public RandomJitter() {
        rnd = new Random();
    }

    @Override
    public BufferedImage process(BufferedImage source) {
        BufferedImage slika = new BufferedImage(source.getWidth(), source.getHeight(), BufferedImage.TYPE_INT_RGB);
        for (int x = 0; x < source.getWidth(); x++)
        {
            for (int y = 0; y < source.getHeight(); y++)
            {
                slika.setRGB(x, y, source.getRGB(x, y));
            }
        }
        int c = 0;
        Random rnd = new Random();
        while (c++ < ITERATIONS)
        {
            for (int x = 0; x < source.getWidth(); x++)
            {
                for (int y = 0; y < source.getHeight(); y++)
                {
                    int degree = rnd.nextInt(DEGREE)-2;
                    int noviX = x + degree;
                    int noviY = y + degree;
                    if (noviX < 0)
                    {
                        noviX = 0;
                    }
                    else if (noviX >= source.getWidth())
                    {
                        noviX = source.getWidth() - 1;
                    }
                    if (noviY < 0)
                    {
                        noviY = 0;
                    }
                    else if (noviY >= source.getHeight())
                    {
                        noviY = source.getHeight() - 1;
                    }
                    slika.setRGB(noviX, noviY, source.getRGB(x, y));
                }
            }
        }
        return slika;
    }

}