content: /*
   * Copyright (C) 2006 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 android.text.style;
  
  import android.annotation.NonNull;
  import android.os.Parcel;
  import android.text.ParcelableSpan;
  import android.text.TextPaint;
  import android.text.TextUtils;
  
  /**
   * The span that moves the position of the text baseline higher.
   * <p>
   * The span can be used like this:
   * <pre>{@code
   *  SpannableString string = new SpannableString("1st example");
   *string.setSpan(new SuperscriptSpan(), 1, 3, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);}</pre>
   * <img src="{@docRoot}reference/android/images/text/style/superscriptspan.png" />
   * <figcaption>Text with <code>SuperscriptSpan</code>.</figcaption>
   * Note: Since the span affects the position of the text, if the text is on the first line of a
   * TextView, it may appear cut. This can be avoided by decreasing the text size with an {@link
   * AbsoluteSizeSpan}
   */
  public class SuperscriptSpan extends MetricAffectingSpan implements ParcelableSpan {
      /**
       * Creates a {@link SuperscriptSpan}.
       */
      public SuperscriptSpan() {
      }
  
      /**
       * Creates a {@link SuperscriptSpan} from a parcel.
       */
      public SuperscriptSpan(@NonNull Parcel src) {
      }
  
      @Override
      public int getSpanTypeId() {
          return getSpanTypeIdInternal();
      }
  
      /** @hide */
      @Override
      public int getSpanTypeIdInternal() {
          return TextUtils.SUPERSCRIPT_SPAN;
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(@NonNull Parcel dest, int flags) {
          writeToParcelInternal(dest, flags);
      }
  
      /** @hide */
      @Override
      public void writeToParcelInternal(@NonNull Parcel dest, int flags) {
      }
  
      @Override
      public void updateDrawState(@NonNull TextPaint textPaint) {
          textPaint.baselineShift += (int) (textPaint.ascent() / 2);
      }
  
      @Override
      public void updateMeasureState(@NonNull TextPaint textPaint) {
          textPaint.baselineShift += (int) (textPaint.ascent() / 2);
      }
  }
  