001: /*
002: * $RCSfile: GIFImageMetadataFormat.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: 1.1 $
042: * $Date: 2006/03/24 22:30:10 $
043: * $State: Exp $
044: */
045:
046: package com.sun.media.imageioimpl.plugins.gif;
047:
048: import java.util.Arrays;
049: import javax.imageio.ImageTypeSpecifier;
050: import javax.imageio.metadata.IIOMetadataFormat;
051: import javax.imageio.metadata.IIOMetadataFormatImpl;
052:
053: public class GIFImageMetadataFormat extends IIOMetadataFormatImpl {
054:
055: private static IIOMetadataFormat instance = null;
056:
057: private GIFImageMetadataFormat() {
058: super (GIFImageMetadata.nativeMetadataFormatName,
059: CHILD_POLICY_SOME);
060:
061: // root -> ImageDescriptor
062: addElement("ImageDescriptor",
063: GIFImageMetadata.nativeMetadataFormatName,
064: CHILD_POLICY_EMPTY);
065: addAttribute("ImageDescriptor", "imageLeftPosition",
066: DATATYPE_INTEGER, true, null, "0", "65535", true, true);
067: addAttribute("ImageDescriptor", "imageTopPosition",
068: DATATYPE_INTEGER, true, null, "0", "65535", true, true);
069: addAttribute("ImageDescriptor", "imageWidth", DATATYPE_INTEGER,
070: true, null, "1", "65535", true, true);
071: addAttribute("ImageDescriptor", "imageHeight",
072: DATATYPE_INTEGER, true, null, "1", "65535", true, true);
073: addBooleanAttribute("ImageDescriptor", "interlaceFlag", false,
074: false);
075:
076: // root -> LocalColorTable
077: addElement("LocalColorTable",
078: GIFImageMetadata.nativeMetadataFormatName, 2, 256);
079: addAttribute("LocalColorTable", "sizeOfLocalColorTable",
080: DATATYPE_INTEGER, true, null, Arrays
081: .asList(GIFStreamMetadata.colorTableSizes));
082: addBooleanAttribute("LocalColorTable", "sortFlag", false, false);
083:
084: // root -> LocalColorTable -> ColorTableEntry
085: addElement("ColorTableEntry", "LocalColorTable",
086: CHILD_POLICY_EMPTY);
087: addAttribute("ColorTableEntry", "index", DATATYPE_INTEGER,
088: true, null, "0", "255", true, true);
089: addAttribute("ColorTableEntry", "red", DATATYPE_INTEGER, true,
090: null, "0", "255", true, true);
091: addAttribute("ColorTableEntry", "green", DATATYPE_INTEGER,
092: true, null, "0", "255", true, true);
093: addAttribute("ColorTableEntry", "blue", DATATYPE_INTEGER, true,
094: null, "0", "255", true, true);
095:
096: // root -> GraphicControlExtension
097: addElement("GraphicControlExtension",
098: GIFImageMetadata.nativeMetadataFormatName,
099: CHILD_POLICY_EMPTY);
100: addAttribute("GraphicControlExtension", "disposalMethod",
101: DATATYPE_STRING, true, null, Arrays
102: .asList(GIFImageMetadata.disposalMethodNames));
103: addBooleanAttribute("GraphicControlExtension", "userInputFlag",
104: false, false);
105: addBooleanAttribute("GraphicControlExtension",
106: "transparentColorFlag", false, false);
107: addAttribute("GraphicControlExtension", "delayTime",
108: DATATYPE_INTEGER, true, null, "0", "65535", true, true);
109: addAttribute("GraphicControlExtension",
110: "transparentColorIndex", DATATYPE_INTEGER, true, null,
111: "0", "255", true, true);
112:
113: // root -> PlainTextExtension
114: addElement("PlainTextExtension",
115: GIFImageMetadata.nativeMetadataFormatName,
116: CHILD_POLICY_EMPTY);
117: addAttribute("PlainTextExtension", "textGridLeft",
118: DATATYPE_INTEGER, true, null, "0", "65535", true, true);
119: addAttribute("PlainTextExtension", "textGridTop",
120: DATATYPE_INTEGER, true, null, "0", "65535", true, true);
121: addAttribute("PlainTextExtension", "textGridWidth",
122: DATATYPE_INTEGER, true, null, "1", "65535", true, true);
123: addAttribute("PlainTextExtension", "textGridHeight",
124: DATATYPE_INTEGER, true, null, "1", "65535", true, true);
125: addAttribute("PlainTextExtension", "characterCellWidth",
126: DATATYPE_INTEGER, true, null, "1", "65535", true, true);
127: addAttribute("PlainTextExtension", "characterCellHeight",
128: DATATYPE_INTEGER, true, null, "1", "65535", true, true);
129: addAttribute("PlainTextExtension", "textForegroundColor",
130: DATATYPE_INTEGER, true, null, "0", "255", true, true);
131: addAttribute("PlainTextExtension", "textBackgroundColor",
132: DATATYPE_INTEGER, true, null, "0", "255", true, true);
133:
134: // root -> ApplicationExtensions
135: addElement("ApplicationExtensions",
136: GIFImageMetadata.nativeMetadataFormatName, 1,
137: Integer.MAX_VALUE);
138:
139: // root -> ApplicationExtensions -> ApplicationExtension
140: addElement("ApplicationExtension", "ApplicationExtensions",
141: CHILD_POLICY_EMPTY);
142: addAttribute("ApplicationExtension", "applicationID",
143: DATATYPE_STRING, true, null);
144: addAttribute("ApplicationExtension", "authenticationCode",
145: DATATYPE_STRING, true, null);
146: addObjectValue("ApplicationExtension", byte.class, 0,
147: Integer.MAX_VALUE);
148:
149: // root -> CommentExtensions
150: addElement("CommentExtensions",
151: GIFImageMetadata.nativeMetadataFormatName, 1,
152: Integer.MAX_VALUE);
153:
154: // root -> CommentExtensions -> CommentExtension
155: addElement("CommentExtension", "CommentExtensions",
156: CHILD_POLICY_EMPTY);
157: addAttribute("CommentExtension", "value", DATATYPE_STRING,
158: true, null);
159: }
160:
161: public boolean canNodeAppear(String elementName,
162: ImageTypeSpecifier imageType) {
163: return true;
164: }
165:
166: public static synchronized IIOMetadataFormat getInstance() {
167: if (instance == null) {
168: instance = new GIFImageMetadataFormat();
169: }
170: return instance;
171: }
172: }
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