001/*
002 * $RCSfile: WBMPMetadata.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: 2006/03/21 00:27:22 $
043 * $State: Exp $
044 */
045
046package com.github.jaiimageio.impl.plugins.wbmp;
047
048import javax.imageio.metadata.IIOMetadata;
049import javax.imageio.metadata.IIOMetadataFormatImpl;
050import javax.imageio.metadata.IIOMetadataNode;
051
052import org.w3c.dom.Node;
053
054import com.github.jaiimageio.impl.common.ImageUtil;
055
056public class WBMPMetadata extends IIOMetadata {
057
058    public static final String nativeMetadataFormatName =
059        "com_sun_media_imageio_plugins_wbmp_image_1.0";
060
061    public int wbmpType;
062    
063    public int width;
064    public int height;
065
066    public WBMPMetadata() {
067        super(true,
068              nativeMetadataFormatName,
069              "com.github.jaiimageio.impl.plugins.wbmp.WBMPMetadataFormat",
070              null, null);
071    }
072
073    public boolean isReadOnly() {
074        return true;
075    }
076    
077    public Node getAsTree(String formatName) {
078        if (formatName.equals(nativeMetadataFormatName)) {
079            return getNativeTree();
080        } else if (formatName.equals
081                   (IIOMetadataFormatImpl.standardMetadataFormatName)) {
082            return getStandardTree();
083        } else {
084            throw new IllegalArgumentException(I18N.getString("WBMPMetadata0"));
085        }
086    }
087
088    private Node getNativeTree() {
089        IIOMetadataNode root =
090            new IIOMetadataNode(nativeMetadataFormatName);
091
092        addChildNode(root, "WBMPType", new Integer(wbmpType));
093        addChildNode(root, "Width", new Integer(width));
094        addChildNode(root, "Height", new Integer(height));
095        
096        return root;
097    }
098
099    public void setFromTree(String formatName, Node root) {
100        throw new IllegalStateException(I18N.getString("WBMPMetadata1"));
101    }
102
103    public void mergeTree(String formatName, Node root) {
104        throw new IllegalStateException(I18N.getString("WBMPMetadata1"));
105    }
106
107    public void reset() {
108        throw new IllegalStateException(I18N.getString("WBMPMetadata1"));
109    }
110
111    private IIOMetadataNode addChildNode(IIOMetadataNode root,
112                                         String name,
113                                         Object object) {
114        IIOMetadataNode child = new IIOMetadataNode(name);
115        if (object != null) {
116            child.setUserObject(object);
117            child.setNodeValue(ImageUtil.convertObjectToString(object));
118        }
119        root.appendChild(child);
120        return child;
121    }
122    
123    
124    protected IIOMetadataNode getStandardChromaNode() {
125
126        IIOMetadataNode node = new IIOMetadataNode("Chroma");
127
128        IIOMetadataNode subNode = new IIOMetadataNode("ColorSpaceType");
129        subNode.setAttribute("name", "GRAY");
130        node.appendChild(subNode);
131
132        subNode = new IIOMetadataNode("NumChannels");
133        subNode.setAttribute("value", "1");
134        node.appendChild(subNode);
135
136        subNode = new IIOMetadataNode("BlackIsZero");
137        subNode.setAttribute("value", "TRUE");
138        node.appendChild(subNode);
139
140        return node;
141    }
142
143    
144    protected IIOMetadataNode getStandardDataNode() {
145        IIOMetadataNode node = new IIOMetadataNode("Data");
146
147        IIOMetadataNode subNode = new IIOMetadataNode("SampleFormat");
148        subNode.setAttribute("value", "UnsignedIntegral");
149        node.appendChild(subNode);
150
151        subNode = new IIOMetadataNode("BitsPerSample");
152        subNode.setAttribute("value", "1");
153        node.appendChild(subNode);
154
155        return node;
156    }
157
158    protected IIOMetadataNode getStandardDimensionNode() {
159        IIOMetadataNode dimension_node = new IIOMetadataNode("Dimension");
160        IIOMetadataNode node = null; // scratch node
161
162        // PixelAspectRatio not in image
163
164        node = new IIOMetadataNode("ImageOrientation");
165        node.setAttribute("value", "Normal");
166        dimension_node.appendChild(node);
167
168        return dimension_node;
169    }
170
171}