1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @bug     8041501
  27  * @summary Test verifies if there is no JFIF & EXIF header
  28  *          and sampling factor is same of JPEG image, then
  29  *          imageIO should not override colorspace determined
  30  *          in IJG library.
  31  * @run     main JpegImageColorSpaceTest
  32  */
  33 
  34 import java.awt.Color;
  35 import java.awt.image.BufferedImage;
  36 import java.io.File;
  37 import javax.imageio.ImageIO;
  38 
  39 public class JpegImageColorSpaceTest {
  40 
  41     public static void main(String args[]) throws Exception {
  42 
  43         String fileName = "nomarkers.jpg";
  44         String sep = System.getProperty("file.separator");
  45         String dir = System.getProperty("test.src", ".");
  46         String filePath = dir+sep+fileName;
  47         System.out.println("Test file: " + filePath);
  48         File imageFile = new File(filePath);
  49 
  50         BufferedImage bufferedImage = ImageIO.read(imageFile);
  51 
  52         for (int i = 0; i < bufferedImage.getWidth(); i++) {
  53             for(int j = 0; j < bufferedImage.getHeight(); j++) {
  54                 /*
  55                 * Since image is white we check individual pixel values from
  56                 * BufferedImage to verify if ImageIO.read() is done with proper
  57                 * color space or not.
  58                 */
  59                 if (bufferedImage.getRGB(i, j) != Color.white.getRGB()) {
  60                     // color space is not proper
  61                     throw new RuntimeException("ColorSpace is not determined "
  62                             + "properly by ImageIO");
  63                }
  64             }
  65         }
  66     }
  67 }