Java BufferedImage Compare compare(BufferedImage p1, BufferedImage p2)

Description

compare

License

Apache License

Declaration

public static boolean compare(BufferedImage p1, BufferedImage p2) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.awt.image.BufferedImage;
import java.awt.image.Raster;

import java.util.*;

public class Main {
    public static int compare(byte[][] im1, byte[][] im2) {
        int ret = 0;
        for (int y = 0; y < im1.length; y++) {
            for (int x = 0; x < im1[0].length / 3; x++) {
                if (im1[y][x * 3 + 0] != im2[y][x * 3 + 0] || im1[y][x * 3 + 1] != im2[y][x * 3 + 1]
                        || im1[y][x * 3 + 2] != im2[y][x * 3 + 2])
                    ++ret;//from www  .  j a  v a2s.  c  om
            }
        }
        return ret;
    }

    public static boolean compare(BufferedImage p1, BufferedImage p2) {
        if (p1 == null) {
            return p2 == null;
        } else if (p2 == null) {
            return false;
        }

        Raster r1 = p1.getRaster();
        Raster r2 = p2.getRaster();

        return compare(r1, r2);
    }

    public static boolean compare(Raster r1, Raster r2) {
        if (r1.getWidth() != r2.getWidth() || r1.getHeight() != r2.getHeight()) {
            return false;
        }

        int[] b1 = new int[4];
        int[] b2 = new int[4];

        for (int y = 0; y < r1.getHeight(); y++) {
            for (int x = 0; x < r1.getWidth(); x++) {
                r1.getPixel(x, y, b1);
                r2.getPixel(x, y, b2);
                if (!Arrays.equals(b1, b2)) {
                    return false;
                }
            }
        }
        return true;
    }
}

Related

1. compare(BufferedImage a, BufferedImage b)
2. compareBufferedImages(BufferedImage bufferedImage1, BufferedImage bufferedImage2)
3. compareImage(BufferedImage biA, BufferedImage biB)
4. compareImage(BufferedImage img1, BufferedImage img2)
5. compareImage(BufferedImage img1, BufferedImage img2)