001: /*
002: * $RCSfile: J2KImageWriterSpi.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: 1.2 $
042: * $Date: 2006/03/31 19:43:39 $
043: * $State: Exp $
044: */
045: package com.sun.media.imageioimpl.plugins.jpeg2000;
046:
047: import java.awt.image.DataBuffer;
048: import java.awt.image.SampleModel;
049:
050: import javax.imageio.spi.ImageWriterSpi;
051: import javax.imageio.spi.ServiceRegistry;
052: import javax.imageio.spi.IIORegistry;
053: import javax.imageio.ImageWriter;
054: import javax.imageio.ImageTypeSpecifier;
055: import javax.imageio.IIOException;
056:
057: import java.awt.image.ColorModel;
058: import java.awt.image.IndexColorModel;
059: import java.util.Locale;
060:
061: import com.sun.media.imageioimpl.common.PackageUtil;
062:
063: import com.sun.medialib.codec.jiio.Util;
064:
065: public class J2KImageWriterSpi extends ImageWriterSpi {
066: private static String[] readerSpiNames = { "com.sun.media.imageioimpl.plugins.jpeg2000.J2KImageReaderSpi" };
067: private static String[] formatNames = { "jpeg 2000", "JPEG 2000",
068: "jpeg2000", "JPEG2000" };
069: private static String[] extensions = { "jp2" }; // Should add jpx or jpm
070: private static String[] mimeTypes = { "image/jp2", "image/jpeg2000" };
071: private boolean registered = false;
072:
073: public J2KImageWriterSpi() {
074: super (
075: PackageUtil.getVendor(),
076: PackageUtil.getVersion(),
077: formatNames,
078: extensions,
079: mimeTypes,
080: "com.sun.media.imageioimpl.plugins.jpeg2000.J2KImageWriter",
081: STANDARD_OUTPUT_TYPE,
082: readerSpiNames,
083: false,
084: null,
085: null,
086: null,
087: null,
088: true,
089: "com_sun_media_imageio_plugins_jpeg2000_image_1.0",
090: "com.sun.media.imageioimpl.plugins.jpeg2000.J2KMetadataFormat",
091: null, null);
092: }
093:
094: public String getDescription(Locale locale) {
095: String desc = PackageUtil.getSpecificationTitle()
096: + " JPEG 2000 Image Writer";
097: return desc;
098: }
099:
100: public void onRegistration(ServiceRegistry registry, Class category) {
101: if (registered) {
102: return;
103: }
104:
105: registered = true;
106:
107: // Set pairwise ordering to give codecLib writer precedence.
108: Class codecLibWriterSPIClass = null;
109: try {
110: codecLibWriterSPIClass = Class
111: .forName("com.sun.media.imageioimpl.plugins.jpeg2000.J2KImageWriterCodecLibSpi");
112: } catch (Throwable t) {
113: // Ignore it.
114: }
115:
116: if (codecLibWriterSPIClass != null) {
117: Object codecLibWriterSPI = registry
118: .getServiceProviderByClass(codecLibWriterSPIClass);
119: if (codecLibWriterSPI != null) {
120: registry.setOrdering(category, codecLibWriterSPI, this );
121: }
122: }
123: }
124:
125: public boolean canEncodeImage(ImageTypeSpecifier type) {
126: SampleModel sm = type.getSampleModel();
127: if (sm.getNumBands() > 16384)
128: return false;
129: if (sm.getDataType() < DataBuffer.TYPE_BYTE
130: || sm.getDataType() > DataBuffer.TYPE_INT)
131: return false;
132: return true;
133: }
134:
135: public ImageWriter createWriterInstance(Object extension)
136: throws IIOException {
137: return new J2KImageWriter(this);
138: }
139: }
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