content: /*
   * Copyright (C) 2007 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.graphics.drawable.shapes;
  
  import android.graphics.Canvas;
  import android.graphics.Outline;
  import android.graphics.Paint;
  
  import java.util.Objects;
  
  /**
   * Creates an arc shape. The arc shape starts at a specified angle and sweeps
   * clockwise, drawing slices of pie.
   * <p>
   * The arc can be drawn to a {@link Canvas} with its own
   * {@link #draw(Canvas, Paint)} method, but more graphical control is available
   * if you instead pass the ArcShape to a
   * {@link android.graphics.drawable.ShapeDrawable}.
   */
  public class ArcShape extends RectShape {
      private final float mStartAngle;
      private final float mSweepAngle;
  
      /**
       * ArcShape constructor.
       *
       * @param startAngle the angle (in degrees) where the arc begins
       * @param sweepAngle the sweep angle (in degrees). Anything equal to or
       *                   greater than 360 results in a complete circle/oval.
       */
      public ArcShape(float startAngle, float sweepAngle) {
          mStartAngle = startAngle;
          mSweepAngle = sweepAngle;
      }
  
      /**
       * @return the angle (in degrees) where the arc begins
       */
      public final float getStartAngle() {
          return mStartAngle;
      }
  
      /**
       * @return the sweep angle (in degrees)
       */
      public final float getSweepAngle() {
          return mSweepAngle;
      }
  
      @Override
      public void draw(Canvas canvas, Paint paint) {
          canvas.drawArc(rect(), mStartAngle, mSweepAngle, true, paint);
      }
  
      @Override
      public void getOutline(Outline outline) {
          // Since we don't support concave outlines, arc shape does not attempt
          // to provide an outline.
      }
  
      @Override
      public ArcShape clone() throws CloneNotSupportedException {
          return (ArcShape) super.clone();
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
          if (!super.equals(o)) {
              return false;
          }
          ArcShape arcShape = (ArcShape) o;
          return Float.compare(arcShape.mStartAngle, mStartAngle) == 0
              && Float.compare(arcShape.mSweepAngle, mSweepAngle) == 0;
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(super.hashCode(), mStartAngle, mSweepAngle);
      }
  }
  
  