public FrescoVitoImageDecodeOptionsBuilder setFocusPoint(PointF focusPoint) {
    mFocusPoint = focusPoint;
    return getThis();
  }
Sets the target focus point for decoding.

@param focusPoint target focus point for decoding.
samples/showcase/src/main/java/com/facebook/fresco/samples/showcase/vito/FrescoVitoImageDecodeOptionsBuilder.java