AppBase::OnGestureBegin

virtual void OnGestureBegin(unsigned window, UInt32 gestureMask, const Point<int>& pos, const PointF& translationDelta, const PointF& scaleDelta, float rotationDelta);

Description

OnGestureBegin is called to notify application about a manipulation/gesture being performed such as movement of fingers.

Parameters

Parameters	Description
unsigned window	_nt_
UInt32 gestureMask	A bit mask to indicate the gesture event.
const Point<int>& pos	The screen coordinates indicating the initial point of manipulation.
const PointF& translationDelta	The shift applied to the point.
const PointF& scaleDelta	The scale factor for zoom in/out.
float rotationDelta	The rotation angle in degrees.