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     8143562
27 * @summary Test verifies whether getRawImageType API returns proper raw
28 *          image type when color space is of type YCbCr.
29 * @run     main JpegRawImageTypeTest
30 */
31
32import java.io.File;
33import java.util.Iterator;
34import javax.imageio.ImageIO;
35import javax.imageio.ImageReader;
36import javax.imageio.ImageTypeSpecifier;
37import javax.imageio.stream.ImageInputStream;
38
39public class JpegRawImageTypeTest {
40
41    public static void main(String[] args) throws Exception {
42
43        //nomarkers.jpg has YCbCr color space
44        String fileName = "nomarkers.jpg";
45        String sep = System.getProperty("file.separator");
46        String dir = System.getProperty("test.src", ".");
47        String filePath = dir+sep+fileName;
48        System.out.println("Test file: " + filePath);
49        File imageFile = new File(filePath);
50
51        ImageInputStream inputStream = ImageIO.
52            createImageInputStream(imageFile);
53        Iterator<ImageReader> readers = ImageIO.getImageReaders(inputStream);
54
55        if(readers.hasNext()) {
56            ImageReader reader = readers.next();
57            reader.setInput(inputStream);
58
59            ImageTypeSpecifier typeSpecifier = reader.getRawImageType(0);
60            //check if ImageTypeSpecifier is null for YCbCr JPEG Image
61            if (typeSpecifier == null) {
62                throw new RuntimeException("ImageReader returns null raw image"
63                    + " type");
64            }
65        }
66    }
67}
68