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 4474819 27 * @summary Tests whether the PNGImageWriterSpi advertises that it is capable of 28 * writing images of TYPE_USHORT_565_RGB and TYPE_USHORT_555_RGB. The 29 * test fails if an 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 CanEncodeShort { 39 40 private static final int[] types = new int[] { 41 BufferedImage.TYPE_USHORT_565_RGB, 42 BufferedImage.TYPE_USHORT_555_RGB, 43 }; 44 45 private static final String[] typeNames = new String[] { 46 "TYPE_USHORT_565_RGB", 47 "TYPE_USHORT_555_RGB", 48 }; 49 50 public static void main(String[] args) { 51 for (int i = 0; i < types.length; i++) { 52 BufferedImage img = new BufferedImage(32, 32, types[i]); 53 54 ImageTypeSpecifier spec = 55 ImageTypeSpecifier.createFromRenderedImage(img); 56 57 Iterator writers = ImageIO.getImageWriters(spec, "png"); 58 59 if (!writers.hasNext()) { 60 throw new RuntimeException("Test failed: " + 61 "no PNG writer found for type " + 62 typeNames[i]); 63 } 64 } 65 } 66 }