Java BufferedImage Equal imagesAreEqual(String referenceImagePath, String capturedImagePath, int x, int y, int w, int h)

Description

images Are Equal

License

Open Source License

Declaration

public static boolean imagesAreEqual(String referenceImagePath, String capturedImagePath, int x, int y, int w,
            int h) 

Method Source Code

//package com.java2s;
/*/*from   ww w.  j  a  va2  s .  c  o  m*/
 * @(#) ImageUtils.java
 *
 * This code is part of the JAviator project: javiator.cs.uni-salzburg.at
 * Copyright (c) 2009  Clemens Krainer
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

import java.awt.image.BufferedImage;
import java.awt.image.Raster;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;

public class Main {
    public static boolean imagesAreEqual(String referenceImagePath, String capturedImagePath, int x, int y, int w,
            int h) {
        BufferedImage referenceImage = null;
        BufferedImage capturedImage;
        try {
            referenceImage = ImageIO
                    .read(Thread.currentThread().getContextClassLoader().getResourceAsStream(referenceImagePath));
            capturedImage = ImageIO.read(new File(capturedImagePath));
        } catch (IOException e) {
            e.printStackTrace();
            return false;
        }

        Raster referenceImageRaster = referenceImage.getData();
        Raster capturedImageRaster = capturedImage.getData();
        //      System.out.println ("ImageUtils.imagesAreEqual: reference image width=" + referenceImage.getWidth() + ", height=" + referenceImage.getHeight());
        //      System.out.println ("ImageUtils.imagesAreEqual: captured image width=" + capturedImage.getWidth() + ", height=" + capturedImage.getHeight());

        int[] referencePixels = referenceImageRaster.getPixels(x, y, w, h, (int[]) null);
        int[] capturedPixels = capturedImageRaster.getPixels(x, y, w, h, (int[]) null);

        if (referencePixels.length != capturedPixels.length)
            return false;

        int failures = 0;
        for (int k = 0; k < referencePixels.length; k++)
            if (referencePixels[k] != capturedPixels[k])
                ++failures;

        if (failures > 0) {
            //         System.out.println ("ImageUtils.imagesAreEqual: failures=" + failures + "/" + referencePixels.length + ", name=" + capturedImagePath);
            return false;
        }

        return true;
    }
}

Related

1. bufferedImagesEqual(final BufferedImage img1, final BufferedImage img2)
2. equals(BufferedImage a, BufferedImage b)
3. equals(BufferedImage img1, BufferedImage img2)
4. equals(final BufferedImage image1, final BufferedImage image2)
5. imagesAreEqual(BufferedImage image1, BufferedImage image2)
6. imagesEqual(File file1, File file2)
7. imgEquals(File imgRef, File img)