/* * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /** * @test * @bug 8143562 * @summary Test verifies whether getRawImageType API returns proper raw * image type when color space is of type YCbCr. * @run main JpegRawImageTypeTest */ import java.io.File; import java.util.Iterator; import javax.imageio.ImageIO; import javax.imageio.ImageReader; import javax.imageio.ImageTypeSpecifier; import javax.imageio.stream.ImageInputStream; public class JpegRawImageTypeTest { public static void main(String[] args) throws Exception { //nomarkers.jpg has YCbCr color space String fileName = "nomarkers.jpg"; String sep = System.getProperty("file.separator"); String dir = System.getProperty("test.src", "."); String filePath = dir+sep+fileName; System.out.println("Test file: " + filePath); File imageFile = new File(filePath); ImageInputStream inputStream = ImageIO. createImageInputStream(imageFile); Iterator<ImageReader> readers = ImageIO.getImageReaders(inputStream); if(readers.hasNext()) { ImageReader reader = readers.next(); reader.setInput(inputStream); ImageTypeSpecifier typeSpecifier = reader.getRawImageType(0); //check if ImageTypeSpecifier is null for YCbCr JPEG Image if (typeSpecifier == null) { throw new RuntimeException("ImageReader returns null raw image" + " type"); } } } }