content: /*
   * Copyright (C) 2020 The Android Open Source Project
   *
   * 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
   *
   *      http://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.
   *
   */
  package com.google.android.exoplayer2.text.span;
  
  /**
   * A styling span for horizontal text in a vertical context.
   *
   * <p>This is used in vertical text to write some characters in a horizontal orientation, known in
   * Japanese as tate-chu-yoko.
   *
   * <p>More information on <a
   * href="https://www.w3.org/TR/jlreq/#handling_of_tatechuyoko">tate-chu-yoko</a> and <a
   * href="https://developer.android.com/guide/topics/text/spans">span styling</a>.
   */
  // NOTE: There's no Android layout support for this, so this span currently doesn't extend any
  // styling superclasses (e.g. MetricAffectingSpan). The only way to render this styling is to
  // extract the spans and do the layout manually.
  public final class HorizontalTextInVerticalContextSpan implements LanguageFeatureSpan {}
  