get_velocity

Description:

public bool get_velocity (out double velocity_x, out double velocity_y)

Gets the current velocity.

If the gesture is recognized, this function returns true and fills in velocity_x and velocity_y with the recorded velocity, as per the last events processed.

Parameters:

this	a `GtkGestureSwipe`
velocity_x	return value for the velocity in the X axis, in pixels/sec
velocity_y	return value for the velocity in the Y axis, in pixels/sec

Returns:

whether velocity could be calculated