Allocate and initialize the rotate gesture structure.
#include "gestures/rotate.h"
gesture_rotate_t* rotate_gesture_alloc(rotate_params_t *params,
gesture_callback_f callback,
struct gestures_set *set)
A pointer to the rotate gesture parameters.
The function to invoke when the rotate gesture changes state.
A pointer to the gesture set to add this rotate gesture to.
This function allocates a new rotate gesture data structure and initializes it with the specified parameters and callback function, and adds it to the specified gesture set.
A pointer to an initialized rotate gesture.