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 }