1 /*
   2  * Copyright (c) 2003, 2010, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.imageio.plugins.wbmp;
  27 
  28 import javax.imageio.spi.ImageWriterSpi;
  29 import javax.imageio.spi.ServiceRegistry;
  30 import javax.imageio.spi.IIORegistry;
  31 import javax.imageio.stream.ImageOutputStream;
  32 import javax.imageio.ImageWriter;
  33 import javax.imageio.ImageTypeSpecifier;
  34 import javax.imageio.IIOException;
  35 
  36 import java.awt.image.ColorModel;
  37 import java.awt.image.IndexColorModel;
  38 import java.awt.image.MultiPixelPackedSampleModel;
  39 import java.awt.image.SampleModel;
  40 import java.util.Locale;
  41 
  42 public class WBMPImageWriterSpi extends ImageWriterSpi {
  43     private static String [] readerSpiNames =
  44         {"com.sun.imageio.plugins.wbmp.WBMPImageReaderSpi"};
  45     private static String[] formatNames = {"wbmp", "WBMP"};
  46     private static String[] entensions = {"wbmp"};
  47     private static String[] mimeType = {"image/vnd.wap.wbmp"};
  48 
  49     private boolean registered = false;
  50 
  51     public WBMPImageWriterSpi() {
  52         super("Oracle Corporation",
  53               "1.0",
  54               formatNames,
  55               entensions,
  56               mimeType,
  57               "com.sun.imageio.plugins.wbmp.WBMPImageWriter",
  58               new Class<?>[] { ImageOutputStream.class },
  59               readerSpiNames,
  60               true,
  61               null, null, null, null,
  62               true,
  63               null, null, null, null);
  64     }
  65 
  66     public String getDescription(Locale locale) {
  67         return "Standard WBMP Image Writer";
  68     }
  69 
  70     public void onRegistration(ServiceRegistry registry,
  71                                Class<?> category) {
  72         if (registered) {
  73             return;
  74         }
  75 
  76         registered = true;
  77     }
  78 
  79     public boolean canEncodeImage(ImageTypeSpecifier type) {
  80         SampleModel sm = type.getSampleModel();
  81         if (!(sm instanceof MultiPixelPackedSampleModel))
  82             return false;
  83         if (sm.getSampleSize(0) != 1)
  84             return false;
  85 
  86         return true;
  87     }
  88 
  89     public ImageWriter createWriterInstance(Object extension)
  90         throws IIOException {
  91         return new WBMPImageWriter(this);
  92     }
  93 }