protected void drawGridBackground(Canvas c){
  if (mDrawGridBackground) {
    c.drawRect(mViewPortHandler.getContentRect(),mGridBackgroundPaint);
  }
  if (mDrawBorders) {
    c.drawRect(mViewPortHandler.getContentRect(),mBorderPaint);
  }
}

protected void drawGridBackground ( Canvas c ) { if ( mDrawGridBackground ) { c . drawRect ( mViewPortHandler . getContentRect ( ) , mGridBackgroundPaint ) ; } if ( mDrawBorders ) { c . drawRect ( mViewPortHandler . getContentRect ( ) , mBorderPaint ) ; } }
draws the grid background
