content: /*
   * Copyright 2002-2019 Drew Noakes and contributors
   *
   *    Licensed under the Apache License, Version 2.0 (the "License");
   *    you may not use this file except in compliance with the License.
   *    You may obtain a copy of the License at
   *
   *        https://www.apache.org/licenses/LICENSE-2.0
   *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   *
   * More information about this project is available at:
   *
   *    https://drewnoakes.com/code/exif/
   *    https://github.com/drewnoakes/metadata-extractor
   */
  package com.drew.metadata.gif;
  
  import com.drew.lang.annotations.NotNull;
  import com.drew.metadata.Directory;
  
  import java.util.HashMap;
  
  /**
   * @author Drew Noakes https://drewnoakes.com
   */
  @SuppressWarnings("WeakerAccess")
  public class GifHeaderDirectory extends Directory
  {
      public static final int TAG_GIF_FORMAT_VERSION = 1;
      public static final int TAG_IMAGE_WIDTH = 2;
      public static final int TAG_IMAGE_HEIGHT = 3;
      public static final int TAG_COLOR_TABLE_SIZE = 4;
      public static final int TAG_IS_COLOR_TABLE_SORTED = 5;
      public static final int TAG_BITS_PER_PIXEL = 6;
      public static final int TAG_HAS_GLOBAL_COLOR_TABLE = 7;
      /**
       * @deprecated use {@link #TAG_BACKGROUND_COLOR_INDEX} instead.
       */
      @Deprecated
      public static final int TAG_TRANSPARENT_COLOR_INDEX = 8;
      public static final int TAG_BACKGROUND_COLOR_INDEX = 8;
      public static final int TAG_PIXEL_ASPECT_RATIO = 9;
  
      @NotNull
      private static final HashMap<Integer, String> _tagNameMap = new HashMap<Integer, String>();
  
      static {
          _tagNameMap.put(TAG_GIF_FORMAT_VERSION, "GIF Format Version");
          _tagNameMap.put(TAG_IMAGE_HEIGHT, "Image Height");
          _tagNameMap.put(TAG_IMAGE_WIDTH, "Image Width");
          _tagNameMap.put(TAG_COLOR_TABLE_SIZE, "Color Table Size");
          _tagNameMap.put(TAG_IS_COLOR_TABLE_SORTED, "Is Color Table Sorted");
          _tagNameMap.put(TAG_BITS_PER_PIXEL, "Bits per Pixel");
          _tagNameMap.put(TAG_HAS_GLOBAL_COLOR_TABLE, "Has Global Color Table");
          _tagNameMap.put(TAG_BACKGROUND_COLOR_INDEX, "Background Color Index");
          _tagNameMap.put(TAG_PIXEL_ASPECT_RATIO, "Pixel Aspect Ratio");
      }
  
      public GifHeaderDirectory()
      {
          this.setDescriptor(new GifHeaderDescriptor(this));
      }
  
      @Override
      @NotNull
      public String getName()
      {
          return "GIF Header";
      }
  
      @Override
      @NotNull
      protected HashMap<Integer, String> getTagNameMap()
      {
          return _tagNameMap;
      }
  }
  