1 /* 2 * Copyright (c) 2002, 2017, 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 4528585 27 * @summary Tests whether the JPEGImageWriterSpi advertises that it is capable 28 * of writing images using an IndexColorModel. The test fails if an 29 * exception is thrown. 30 */ 31 32 import java.awt.image.BufferedImage; 33 import java.util.Iterator; 34 35 import javax.imageio.ImageIO; 36 import javax.imageio.ImageTypeSpecifier; 37 38 public class CanEncodeIndexed { 39 40 public static void main(String[] args) { 41 BufferedImage img = new BufferedImage(32, 32, 42 BufferedImage.TYPE_BYTE_INDEXED); 43 44 ImageTypeSpecifier spec = 45 ImageTypeSpecifier.createFromRenderedImage(img); 46 47 Iterator writers = ImageIO.getImageWriters(spec, "jpeg"); 48 49 if (!writers.hasNext()) { 50 throw new RuntimeException("Test failed: " + 51 "no JPEG writer found for " + 52 "image with IndexColorModel"); 53 } 54 } 55 }