| /* |
| * Copyright (c) 2001, 2004, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.imageio.plugins.gif; |
| |
| import java.util.Arrays; |
| import javax.imageio.ImageTypeSpecifier; |
| import javax.imageio.metadata.IIOMetadataFormat; |
| import javax.imageio.metadata.IIOMetadataFormatImpl; |
| |
| public class GIFStreamMetadataFormat extends IIOMetadataFormatImpl { |
| |
| private static IIOMetadataFormat instance = null; |
| |
| private GIFStreamMetadataFormat() { |
| super(GIFStreamMetadata.nativeMetadataFormatName, |
| CHILD_POLICY_SOME); |
| |
| // root -> Version |
| addElement("Version", GIFStreamMetadata.nativeMetadataFormatName, |
| CHILD_POLICY_EMPTY); |
| addAttribute("Version", "value", |
| DATATYPE_STRING, true, null, |
| Arrays.asList(GIFStreamMetadata.versionStrings)); |
| |
| // root -> LogicalScreenDescriptor |
| addElement("LogicalScreenDescriptor", |
| GIFStreamMetadata.nativeMetadataFormatName, |
| CHILD_POLICY_EMPTY); |
| addAttribute("LogicalScreenDescriptor", "logicalScreenWidth", |
| DATATYPE_INTEGER, true, null, |
| "1", "65535", true, true); |
| addAttribute("LogicalScreenDescriptor", "logicalScreenHeight", |
| DATATYPE_INTEGER, true, null, |
| "1", "65535", true, true); |
| addAttribute("LogicalScreenDescriptor", "colorResolution", |
| DATATYPE_INTEGER, true, null, |
| "1", "8", true, true); |
| addAttribute("LogicalScreenDescriptor", "pixelAspectRatio", |
| DATATYPE_INTEGER, true, null, |
| "0", "255", true, true); |
| |
| // root -> GlobalColorTable |
| addElement("GlobalColorTable", |
| GIFStreamMetadata.nativeMetadataFormatName, |
| 2, 256); |
| addAttribute("GlobalColorTable", "sizeOfGlobalColorTable", |
| DATATYPE_INTEGER, true, null, |
| Arrays.asList(GIFStreamMetadata.colorTableSizes)); |
| addAttribute("GlobalColorTable", "backgroundColorIndex", |
| DATATYPE_INTEGER, true, null, |
| "0", "255", true, true); |
| addBooleanAttribute("GlobalColorTable", "sortFlag", |
| false, false); |
| |
| // root -> GlobalColorTable -> ColorTableEntry |
| addElement("ColorTableEntry", "GlobalColorTable", |
| CHILD_POLICY_EMPTY); |
| addAttribute("ColorTableEntry", "index", |
| DATATYPE_INTEGER, true, null, |
| "0", "255", true, true); |
| addAttribute("ColorTableEntry", "red", |
| DATATYPE_INTEGER, true, null, |
| "0", "255", true, true); |
| addAttribute("ColorTableEntry", "green", |
| DATATYPE_INTEGER, true, null, |
| "0", "255", true, true); |
| addAttribute("ColorTableEntry", "blue", |
| DATATYPE_INTEGER, true, null, |
| "0", "255", true, true); |
| } |
| |
| public boolean canNodeAppear(String elementName, |
| ImageTypeSpecifier imageType) { |
| return true; |
| } |
| |
| public static synchronized IIOMetadataFormat getInstance() { |
| if (instance == null) { |
| instance = new GIFStreamMetadataFormat(); |
| } |
| return instance; |
| } |
| } |