getGridClippingRect method
Implementation
Rect getGridClippingRect() {
mGridClippingRect = Rect.fromLTRB(
viewPortHandler!.getContentRect().left - axis!.gridLineWidth,
viewPortHandler!.getContentRect().top - axis!.gridLineWidth,
viewPortHandler!.getContentRect().right,
viewPortHandler!.getContentRect().bottom);
return mGridClippingRect;
}