001/*
002 * $RCSfile: PCXImageWriterSpi.java,v $
003 *
004 * 
005 * Copyright (c) 2007 Sun Microsystems, Inc. All  Rights Reserved.
006 * 
007 * Redistribution and use in source and binary forms, with or without
008 * modification, are permitted provided that the following conditions
009 * are met: 
010 * 
011 * - Redistribution of source code must retain the above copyright 
012 *   notice, this  list of conditions and the following disclaimer.
013 * 
014 * - Redistribution in binary form must reproduce the above copyright
015 *   notice, this list of conditions and the following disclaimer in 
016 *   the documentation and/or other materials provided with the
017 *   distribution.
018 * 
019 * Neither the name of Sun Microsystems, Inc. or the names of 
020 * contributors may be used to endorse or promote products derived 
021 * from this software without specific prior written permission.
022 * 
023 * This software is provided "AS IS," without a warranty of any 
024 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND 
025 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, 
026 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
027 * EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL 
028 * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF 
029 * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
030 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR 
031 * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
032 * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
033 * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
034 * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
035 * POSSIBILITY OF SUCH DAMAGES. 
036 * 
037 * You acknowledge that this software is not designed or intended for 
038 * use in the design, construction, operation or maintenance of any 
039 * nuclear facility. 
040 *
041 * $Revision: 1.1 $
042 * $Date: 2007/09/05 00:21:08 $
043 * $State: Exp $
044 */
045package com.github.jaiimageio.impl.plugins.pcx;
046
047import java.awt.image.DataBuffer;
048import java.awt.image.SampleModel;
049import java.awt.image.SinglePixelPackedSampleModel;
050import java.util.Locale;
051
052import javax.imageio.IIOException;
053import javax.imageio.ImageTypeSpecifier;
054import javax.imageio.ImageWriter;
055import javax.imageio.spi.ImageWriterSpi;
056import javax.imageio.spi.ServiceRegistry;
057
058import com.github.jaiimageio.impl.common.PackageUtil;
059
060public class PCXImageWriterSpi extends ImageWriterSpi {
061    private static String [] readerSpiNames =
062        {"com.github.jaiimageio.impl.plugins.pcx.PCXImageReaderSpi"};
063    private static String[] formatNames = {"pcx", "PCX"};
064    private static String[] extensions = {"pcx"};
065    private static String[] mimeTypes = {
066        "image/pcx", "image/x-pcx", "image/x-windows-pcx", "image/x-pc-paintbrush"
067    };
068    private boolean registered = false;
069
070    public PCXImageWriterSpi() {
071        super(PackageUtil.getVendor(),
072              PackageUtil.getVersion(),
073              formatNames,
074              extensions,
075              mimeTypes,
076              "com.github.jaiimageio.impl.plugins.pcx.PCXImageWriter",
077              STANDARD_OUTPUT_TYPE,
078              readerSpiNames,
079              false,
080              null, null, null, null,
081              true,
082              null,
083              null,
084              null, null);
085    }
086
087    public String getDescription(Locale locale) {
088        String desc = PackageUtil.getSpecificationTitle() + 
089            " PCX Image Writer";  
090        return desc;
091    }
092
093    public void onRegistration(ServiceRegistry registry, Class category) {
094        if (registered) {
095            return;
096        }
097        
098        registered = true;
099    }
100
101    public boolean canEncodeImage(ImageTypeSpecifier type) {
102        int dataType= type.getSampleModel().getDataType();
103        if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
104            return false;
105       
106        SampleModel sm = type.getSampleModel();
107        int numBands = sm.getNumBands();
108        if (!(numBands == 1 || numBands == 3))
109            return false;
110        
111        if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
112            return false;
113        
114        if (dataType > DataBuffer.TYPE_BYTE && !(sm instanceof SinglePixelPackedSampleModel))
115            return false;
116        
117        return true;
118    }
119
120    public ImageWriter createWriterInstance(Object extension)
121        throws IIOException {
122        return new PCXImageWriter(this);
123    }
124}