001/*
002 * $RCSfile: BMPImageWriterSpi.java,v $
003 *
004 * 
005 * Copyright (c) 2005 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: 1.3 $
042 * $Date: 2006/03/31 19:43:38 $
043 * $State: Exp $
044 */
045package com.github.jaiimageio.impl.plugins.bmp;
046
047import java.awt.image.DataBuffer;
048import java.awt.image.SampleModel;
049import java.awt.image.SinglePixelPackedSampleModel;
050
051import javax.imageio.spi.ImageWriterSpi;
052import javax.imageio.spi.ServiceRegistry;
053import javax.imageio.spi.IIORegistry;
054import javax.imageio.ImageWriter;
055import javax.imageio.ImageTypeSpecifier;
056import javax.imageio.IIOException;
057
058import java.util.Locale;
059
060import com.github.jaiimageio.impl.common.ImageUtil;
061import com.github.jaiimageio.impl.common.PackageUtil;
062import com.github.jaiimageio.plugins.bmp.BMPImageWriteParam;
063
064public class BMPImageWriterSpi extends ImageWriterSpi {
065    private static String [] readerSpiNames =
066        {"com.github.jaiimageio.impl.plugins.bmp.BMPImageReaderSpi"};
067    private static String[] formatNames = {"bmp", "BMP"};
068    private static String[] extensions = {"bmp"};
069    private static String[] mimeTypes = {
070        "image/bmp", "image/x-bmp", "image/x-windows-bmp"
071    };
072    private boolean registered = false;
073
074    public BMPImageWriterSpi() {
075        super(PackageUtil.getVendor(),
076              PackageUtil.getVersion(),
077              formatNames,
078              extensions,
079              mimeTypes,
080              "com.github.jaiimageio.impl.plugins.bmp.BMPImageWriter",
081              STANDARD_OUTPUT_TYPE,
082              readerSpiNames,
083              false,
084              null, null, null, null,
085              true,
086              BMPMetadata.nativeMetadataFormatName,
087              "com.github.jaiimageio.impl.plugins.bmp.BMPMetadataFormat",
088              null, null);
089    }
090
091    public String getDescription(Locale locale) {
092        String desc = PackageUtil.getSpecificationTitle() + 
093            " BMP Image Writer";  
094        return desc;
095    }
096
097    public void onRegistration(ServiceRegistry registry,
098                               Class category) {
099        if (registered) {
100            return;
101        }
102        
103        registered = true;
104        
105        // By JDK 1.7, the BMPImageWriter will have been in JDK core for 
106        // atleast two FCS releases, so we can set JIIO's to lower priority
107        // With JDK 1.8, we can entirely de-register the JIIO one
108        ImageUtil.processOnRegistration(registry, category, "BMP", this,
109                                        8, 7); // JDK version 1.8, 1.7
110    }
111
112    public boolean canEncodeImage(ImageTypeSpecifier type) {
113        int dataType= type.getSampleModel().getDataType();
114        if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
115            return false;
116       
117        SampleModel sm = type.getSampleModel();
118        int numBands = sm.getNumBands();
119        if (!(numBands == 1 || numBands == 3))
120            return false;
121        
122        if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
123            return false;
124        
125        if (dataType > DataBuffer.TYPE_BYTE && 
126              !(sm instanceof SinglePixelPackedSampleModel))
127            return false;
128        
129        return true;
130    }
131
132    public ImageWriter createWriterInstance(Object extension)
133        throws IIOException {
134        return new BMPImageWriter(this);
135    }
136}