rotate.h File Reference

#include "gesturelib.h"
#include "recognizer.h"

Go to the source code of this file.

Data Structures
struct	rotate
	Data structure for rotate gesture data. More...

Typedefs
typedef struct rotate	rotate_t
	Data structure for rotate gesture data. More...

Functions
void	init_rotate ()
	Initialize rotate data structures. More...
void	recognize_rotate (const touch_event_t *event)
	Recognize rotate gesture. This gesture locks the number of fingers once any finger starts moving. More...
const rotate_t *	get_rotate ()
	Access array of rotate_t of size MAX_TOUCHES. More...
int	set_on_rotate (void(*listener)(const rotate_t *))
	Subscribe listener to rotate gesture updates. More...

Typedef Documentation

rotate_t

typedef struct rotate rotate_t

Data structure for rotate gesture data.

Function Documentation

get_rotate()

const rotate_t* get_rotate

(

)

Access array of rotate_t of size MAX_TOUCHES.

Returns

Pointer to first element of array of rotate_t of size MAX_TOUCHES

Definition at line 54 of file rotate.c.

init_rotate()

void init_rotate

(

)

Initialize rotate data structures.

Definition at line 9 of file rotate.c.

recognize_rotate()

void recognize_rotate

(

const touch_event_t *

event

)

Recognize rotate gesture. This gesture locks the number of fingers once any finger starts moving.

Parameters

event

touch event to recognize

Definition at line 19 of file rotate.c.

set_on_rotate()

int set_on_rotate

(

void(*)(const rotate_t *)

listener

)

Subscribe listener to rotate gesture updates.

Parameters

listener

accepts a const rotate_t*

Returns

0 if first listener, 1 if replacing existing listener

Definition at line 58 of file rotate.c.