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.mov.atoms;
  
  import com.drew.lang.SequentialReader;
  import com.drew.lang.annotations.NotNull;
  import com.drew.metadata.mov.media.QuickTimeTextDirectory;
  
  import java.io.IOException;
  
  /**
   * https://developer.apple.com/library/content/documentation/QuickTime/QTFF/QTFFChap3/qtff3.html#//apple_ref/doc/uid/TP40000939-CH205-57428
   *
   * @author Payton Garland
   */
  public class TextSampleDescriptionAtom extends SampleDescriptionAtom<TextSampleDescriptionAtom.TextSampleDescription>
  {
      public TextSampleDescriptionAtom(SequentialReader reader, Atom atom) throws IOException
      {
          super(reader, atom);
      }
  
      @NotNull
      @Override
      TextSampleDescription getSampleDescription(SequentialReader reader) throws IOException
      {
          return new TextSampleDescription(reader);
      }
  
      public void addMetadata(QuickTimeTextDirectory directory)
      {
          if (sampleDescriptions.size() == 0) {
              return;
          }
  
          TextSampleDescription description = sampleDescriptions.get(0);
  
          directory.setBoolean(QuickTimeTextDirectory.TAG_AUTO_SCALE, (description.displayFlags & 0x0002) == 0x0002);
  
          directory.setBoolean(QuickTimeTextDirectory.TAG_MOVIE_BACKGROUND_COLOR, (description.displayFlags & 0x0008) == 0x0008);
  
          directory.setBoolean(QuickTimeTextDirectory.TAG_SCROLL_IN, (description.displayFlags & 0x0020) == 0x0020);
  
          directory.setBoolean(QuickTimeTextDirectory.TAG_SCROLL_OUT, (description.displayFlags & 0x0040) == 0x0040);
  
          directory.setString(QuickTimeTextDirectory.TAG_HORIZONTAL_SCROLL, ((description.displayFlags & 0x0080) == 0x0080) ? "Horizontal" : "Vertical");
  
          directory.setString(QuickTimeTextDirectory.TAG_REVERSE_SCROLL, ((description.displayFlags & 0x0100) == 0x0100) ? "Reverse" : "Normal");
  
          directory.setBoolean(QuickTimeTextDirectory.TAG_CONTINUOUS_SCROLL, (description.displayFlags & 0x0200) == 0x0200);
  
          directory.setBoolean(QuickTimeTextDirectory.TAG_DROP_SHADOW, (description.displayFlags & 0x1000) == 0x1000);
  
          directory.setBoolean(QuickTimeTextDirectory.TAG_ANTI_ALIAS, (description.displayFlags & 0x2000) == 0x2000);
  
          directory.setBoolean(QuickTimeTextDirectory.TAG_KEY_TEXT, (description.displayFlags & 0x4000) == 0x4000);
  
          switch (description.textJustification) {
              case (0):
                  directory.setString(QuickTimeTextDirectory.TAG_JUSTIFICATION, "Left");
                  break;
              case (1):
                  directory.setString(QuickTimeTextDirectory.TAG_JUSTIFICATION, "Center");
                  break;
              case (-1):
                  directory.setString(QuickTimeTextDirectory.TAG_JUSTIFICATION, "Right");
          }
  
          directory.setIntArray(QuickTimeTextDirectory.TAG_BACKGROUND_COLOR, description.backgroundColor);
          directory.setLong(QuickTimeTextDirectory.TAG_DEFAULT_TEXT_BOX, description.defaultTextBox);
          directory.setInt(QuickTimeTextDirectory.TAG_FONT_NUMBER, description.fontNumber);
  
          switch (description.fontFace) {
              case (0x0001):
                  directory.setString(QuickTimeTextDirectory.TAG_FONT_FACE, "Bold");
                  break;
              case (0x0002):
                  directory.setString(QuickTimeTextDirectory.TAG_FONT_FACE, "Italic");
                  break;
              case (0x0004):
                  directory.setString(QuickTimeTextDirectory.TAG_FONT_FACE, "Underline");
                  break;
              case (0x0008):
                  directory.setString(QuickTimeTextDirectory.TAG_FONT_FACE, "Outline");
                  break;
              case (0x0010):
                  directory.setString(QuickTimeTextDirectory.TAG_FONT_FACE, "Shadow");
                  break;
              case (0x0020):
                  directory.setString(QuickTimeTextDirectory.TAG_FONT_FACE, "Condense");
                  break;
              case (0x0040):
                  directory.setString(QuickTimeTextDirectory.TAG_FONT_FACE, "Extend");
          }
  
          directory.setIntArray(QuickTimeTextDirectory.TAG_FOREGROUND_COLOR, description.foregroundColor);
          directory.setString(QuickTimeTextDirectory.TAG_NAME, description.textName);
      }
  
      static class TextSampleDescription extends SampleDescription
      {
          int displayFlags;
          int textJustification;
          int[] backgroundColor;
          long defaultTextBox;
          int fontNumber;
          int fontFace;
          int[] foregroundColor;
          String textName;
  
          public TextSampleDescription(SequentialReader reader) throws IOException
          {
              super(reader);
  
              displayFlags = reader.getInt32();
              textJustification = reader.getInt32();
              backgroundColor = new int[]{reader.getUInt16(), reader.getUInt16(), reader.getUInt16()};
              defaultTextBox = reader.getInt64();
              reader.skip(8); // 64-bits of reserved space set to 0
              fontNumber = reader.getUInt16();
              fontFace = reader.getUInt16();
              reader.skip(1); // 8-bits of reserved space set to 0
              reader.skip(2); // 16-bits of reserved space set to 0
              foregroundColor = new int[]{reader.getUInt16(), reader.getUInt16(), reader.getUInt16()};
              textName = reader.getString(reader.getUInt8());
          }
      }
  }
  