content: /*
   * Copyright (C) 2008 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;
  
  import android.graphics.BaseCanvas;
  import android.graphics.Canvas;
  import android.graphics.Paint;
  
  /**
   * Please implement this interface if your CharSequence can do quick draw/measure/widths
   * calculations from an internal array.
   *
   * @hide
   */
  public interface GraphicsOperations extends CharSequence {
      /**
       * Just like {@link Canvas#drawText}.
       */
      void drawText(BaseCanvas c, int start, int end,
              float x, float y, Paint p);
  
      /**
       * Just like {@link Canvas#drawTextRun}.
       */
      void drawTextRun(BaseCanvas c, int start, int end, int contextStart, int contextEnd,
              float x, float y, boolean isRtl, Paint p);
  
      /**
       * Just like {@link Paint#measureText}.
       */
      float measureText(int start, int end, Paint p);
  
      /**
       * Just like {@link Paint#getTextWidths}.
       */
      public int getTextWidths(int start, int end, float[] widths, Paint p);
  
      /**
       * Just like {@link Paint#getTextRunAdvances}.
       */
      float getTextRunAdvances(int start, int end, int contextStart, int contextEnd,
              boolean isRtl, float[] advances, int advancesIndex, Paint paint);
  
      /**
       * Just like {@link Paint#getTextRunCursor}.
       */
      int getTextRunCursor(int contextStart, int contextEnd, boolean isRtl, int offset,
              int cursorOpt, Paint p);
  }
  