DrawView.java 文件源码

/**
 * Update the path with which we'll clip this view
 */
private void updateClipPath() {
  mPath = new Path();

  TMP_RECT.set(
      getLeft(),
      getTop(),
      getRight(),
      getBottom());

  // set the path
  mPath.addRoundRect(
      TMP_RECT,
      mClipRadius,
      mClipRadius,
      Path.Direction.CW);
}