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.annotation.NonNull;
  import android.graphics.Canvas;
  import android.graphics.Paint;
  import android.graphics.Path;
  
  import java.util.Objects;
  
  /**
   * Creates geometric paths, utilizing the {@link android.graphics.Path} class.
   * <p>
   * The path can be drawn to a Canvas with its own draw() method,
   * but more graphical control is available if you instead pass
   * the PathShape to a {@link android.graphics.drawable.ShapeDrawable}.
   */
  public class PathShape extends Shape {
      private final float mStdWidth;
      private final float mStdHeight;
  
      private Path mPath;
  
      private float mScaleX; // cached from onResize
      private float mScaleY; // cached from onResize
  
      /**
       * PathShape constructor.
       *
       * @param path a Path that defines the geometric paths for this shape
       * @param stdWidth the standard width for the shape. Any changes to the
       *                 width with resize() will result in a width scaled based
       *                 on the new width divided by this width.
       * @param stdHeight the standard height for the shape. Any changes to the
       *                  height with resize() will result in a height scaled based
       *                  on the new height divided by this height.
       */
      public PathShape(@NonNull Path path, float stdWidth, float stdHeight) {
          mPath = path;
          mStdWidth = stdWidth;
          mStdHeight = stdHeight;
      }
  
      @Override
      public void draw(Canvas canvas, Paint paint) {
          canvas.save();
          canvas.scale(mScaleX, mScaleY);
          canvas.drawPath(mPath, paint);
          canvas.restore();
      }
  
      @Override
      protected void onResize(float width, float height) {
          mScaleX = width / mStdWidth;
          mScaleY = height / mStdHeight;
      }
  
      @Override
      public PathShape clone() throws CloneNotSupportedException {
          final PathShape shape = (PathShape) super.clone();
          shape.mPath = new Path(mPath);
          return shape;
      }
  
      @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;
          }
          PathShape pathShape = (PathShape) o;
          return Float.compare(pathShape.mStdWidth, mStdWidth) == 0
              && Float.compare(pathShape.mStdHeight, mStdHeight) == 0
              && Float.compare(pathShape.mScaleX, mScaleX) == 0
              && Float.compare(pathShape.mScaleY, mScaleY) == 0
              // Path does not have equals implementation but incase it gains one, use it here
              && Objects.equals(mPath, pathShape.mPath);
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(super.hashCode(), mStdWidth, mStdHeight, mPath, mScaleX, mScaleY);
      }
  }
  
  