public override bool OnScale(ScaleGestureDetector detector)
{
_view._scaleFactor *= detector.ScaleFactor;
_view._scaleFactor = Math.Max(1.0f, Math.Min(_view._scaleFactor, 5.0f));
_view._maxWidth = _view._width - (_view._width * _view._scaleFactor);
_view._maxHeight = _view._height - (_view._height * _view._scaleFactor);
_view.Invalidate();
return(true);
}
public override bool OnScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY)
{
base.OnScroll(e1, e2, distanceX, distanceY);
if (_view._scaleFactor > 1)
{
//if (((_view.ScrollX * _view._scaleFactor) < _view.Width) || ((_view.ScrollY * _view._scaleFactor) < _view.Height))
//{
_view.ScrollBy((int)distanceX, (int)distanceY);
_view.Invalidate();
//}
}
else
{
var left = _view.Left;
var width = _view.Width;
var top = _view.Top;
if (left - _view.ScrollX != 0 || top - _view.ScrollY != 0)
{
_view.ScrollBy(left - _view.ScrollX, top - _view.ScrollY);
_view.Invalidate();
}
}
return(true);
}