SMTG.cpp File Reference

#include "SMTG.h"
#include <windows.h>
#include <math.h>
#include <stdio.h>

Data Structures
struct	tagSGParameter
struct	tagSGTouch
struct	tagSGTouchSet
struct	tagSGTouchStroke
struct	tagSGEvent
struct	tagSGEventList
struct	tagSGNFingerTap
Defines
#define	SG_MAX_TOUCH   255
#define	SG_MAX_STROKE   2000
#define	SG_MAX_EVENT   100
#define	NO_GESTURE   -1
#define	RAD2DEG   (180.0f/3.141592f)
#define	DEG2RAD   (3.141592f/180.0f)
Typedefs
typedef struct tagSGParameter	SGParameter
typedef struct tagSGTouch	SGTouch
typedef struct tagSGTouchSet	SGTouchSet
typedef struct tagSGTouchStroke	SGTouchStroke
typedef struct tagSGEvent	SGEvent
typedef struct tagSGEventList	SGEventList
typedef struct tagSGNFingerTap	SGNFingerTap
Enumerations
enum	SGGesture {   SG_ETAP, SG_EDTAP, SG_EPINCH, SG_EROTATE,   SG_NFINGERMOVE, SG_NFINGERSWIPE, SG_NFINGERHOLD }
enum	SGState { SG_STATE_IDLE = 0, SG_STATE_TOUCH = 1 }
enum	SGInterpreterState {   SG_INTERPRETER_STATE_PRETOUCH = 0, SG_INTERPRETER_STATE_IDLE = 1, SG_INTERPRETER_STATE_1FINGER_MOVE = 2, SG_INTERPRETER_STATE_2FINGER_MOVE = 3,   SG_INTERPRETER_STATE_ROTATION = 4, SG_INTERPRETER_STATE_PINCH = 5 }
Functions
void	initializeSGParameter (void)
void	initializeSGTouchSet (void)
void	initializeSGTouchStroke (void)
void	initializeSGEventLish (void)
void	initializeSGNFingerTap (void)
void	InitializeSMTG (void)
void	sg_updatetouchset ()
void	sg_blobstotouchset (int nBlobsSize, int *pid, float *pfx, float *pfy, float *pfdx, float *pfdy)
void	sg_statemachine ()
void	find_firstandlast_index (int &f_index, int &l_index, int max_touch)
void	euclidian_distance (float &dx, float &dy, float &pd, int f_index, int l_index)
void	save_nfingertap (bool _flag, float _cx, float _cy, int _ntouch)
bool	judge_Nfinger_tap (float d, int f_index, int l_index, int ntouch)
bool	check_Nfinger_tap ()
bool	check_Nfinger_swipe ()
bool	judge_Nfinger_swipe (float dx, float dy, float d, int f_index, int l_index, int ntouch)
int	check_same_id (float *pdx, float *pdy)
float	compute_cos_theta (float dx0, float dy0, float dx1, float dy1)
bool	judge_Nfinger_move (float *pcos_theta, int nfinger, float cx, float cy, float dx, float dy)
bool	check_Nfinger_move ()
bool	check_pinch_and_rotation ()
int	sg_scale (void)
int	sg_rotate (void)
void	sgRecognizeGesture (int nBlobsSize, int *pid, float *pfx, float *pfy, float *pfdx, float *pfdy)
void	sgInterpreteGesture (int application)
void	interpreter_magic_mt_trackpad ()
void	interpreter_starcraft2 ()
void	sg_mtp_interpreter_statemachine ()
void	sg_mtpETAP (int index)
void	sg_mtpEDTAP (int index)
void	sg_mtpNFINGERMOVE (int index)
void	sg_mtpNFINGERSWIPE (int index)
void	sg_mtpEPINCH (int index)
void	sg_mtpEROTATE (int index)
void	sg_mtpNFINGERHOLD (int index)
void	sg_mtp1FingerTap_move ()
void	sg_mtp1FingerDTap_move ()
void	sg_mtpETAP_1touch (int index)
void	sg_mtpETAP_2touch (int index)
void	sg_mtpETAP_3touch (int index)
void	sg_mtpETAP_4touch (int index)
void	sg_mtpEDTAP_1touch (int index)
void	sg_mtpNFINGERSWIPE_2touch (int index)
void	sg_mtpNFINGERSWIPE_3touch (int index)
void	sg_mtpNFINGERSWIPE_4touch (int index)
void	sg_mtp_PRETOUCH_NFINGERSWIPE_2touch ()
void	sg_mtp_PRETOUCH_NFINGERSWIPE_3touch ()
void	sg_mtp_PRETOUCH_NFINGERSWIPE_4touch ()
void	sg_star2ETAP (int index)
void	sg_star2EDTAP (int index)
void	sg_star2EPINCH (int index)
void	sg_star2EROTATE (int index)
void	sg_star2NFINGERMOVE (int index)
void	sg_star2NFINGERSWIPE (int index)
void	sg_star2NFINGERHOLD (int index)
void	wm_Lbutton_down (int index)
void	wm_Lbutton_up (int index)
void	wm_Rbutton_down (int index)
void	wm_Rbutton_up (int index)
void	wm_mouse_move (int index)
void	wm_mouse_wheel (int index)
void	wm_mtp_rotation (int index)
void	scroll_up ()
void	scroll_down ()
void	scroll_left ()
void	scroll_right ()
void	middle_button_up ()
void	SetCoordinateMode (int mode)
Variables
SGParameter	SG_PARAMETER
SGTouchSet	SG_NEW_TOUCHSET
SGTouchSet	SG_OLD_TOUCHSET
SGTouchStroke	SG_TOUCH_STROKE
SGEventList	SG_EVENT_LIST
SGNFingerTap	SG_NFINGERTAP = {false, 0.0f, 0.0f, 0, 0}
SGState	SG_STATE = SG_STATE_IDLE
SGInterpreterState	SG_INTERPRETER_STATE = SG_INTERPRETER_STATE_PRETOUCH
unsigned long	SG_PRETOUCH_START_TIME = 0
float	ABSOLUTE_COORDINATE_X = 0.0f
float	ABSOLUTE_COORDINATE_Y = 0.0f
float	ACCUMULATION_DEGREE = 0.0f
float	ACCUMULATION_SCALE = 1.0f
int	SG_ANGLE
int	SG_OLD_ANGLE
float	SG_SCALE
float	SG_OLD_SCALE
unsigned long	TWOFMOVE_OLD_T = GetTickCount()
unsigned long	ONEFMOVE_START_T = 0
unsigned long	TWOFMOVE_START_T = 0
bool	ABSOLUTE_MODE = true
bool	RELATIVE_MODE = false
int	ALIVE_ETAP_NUMTOUCH = -1
int	ALIVE_EDTAP_NUMTOUCH = -1
int	ALIVE_SWIPE_NUMTOUCH = -1
int	ALIVE_SWIPE_DEGREE = -1

---

Define Documentation

#define DEG2RAD   (3.141592f/180.0f)

#define NO_GESTURE   -1

#define RAD2DEG   (180.0f/3.141592f)

#define SG_MAX_EVENT   100

#define SG_MAX_STROKE   2000

#define SG_MAX_TOUCH   255

---

Typedef Documentation

typedef struct tagSGEvent SGEvent

typedef struct tagSGEventList SGEventList

typedef struct tagSGNFingerTap SGNFingerTap

typedef struct tagSGParameter SGParameter

typedef struct tagSGTouch SGTouch

typedef struct tagSGTouchSet SGTouchSet

typedef struct tagSGTouchStroke SGTouchStroke

---

Enumeration Type Documentation

enum SGGesture

Enumerator:

SG_ETAP
SG_EDTAP
SG_EPINCH
SG_EROTATE
SG_NFINGERMOVE
SG_NFINGERSWIPE
SG_NFINGERHOLD

enum SGInterpreterState

Enumerator:

SG_INTERPRETER_STATE_PRETOUCH
SG_INTERPRETER_STATE_IDLE
SG_INTERPRETER_STATE_1FINGER_MOVE
SG_INTERPRETER_STATE_2FINGER_MOVE
SG_INTERPRETER_STATE_ROTATION
SG_INTERPRETER_STATE_PINCH

enum SGState

Enumerator:

SG_STATE_IDLE
SG_STATE_TOUCH

---

Function Documentation

bool check_Nfinger_move

(

)

bool check_Nfinger_swipe

(

)

bool check_Nfinger_tap

(

)

bool check_pinch_and_rotation

(

)

int check_same_id	(	float *	pdx,
		float *	pdy
	)

float compute_cos_theta	(	float	dx0,
		float	dy0,
		float	dx1,
		float	dy1
	)

void euclidian_distance	(	float &	dx,
		float &	dy,
		float &	pd,
		int	f_index,
		int	l_index
	)

void find_firstandlast_index	(	int &	f_index,
		int &	l_index,
		int	max_touch
	)

void initializeSGEventLish

(

void

)

void initializeSGNFingerTap

(

void

)

void initializeSGParameter

(

void

)

void initializeSGTouchSet

(

void

)

void initializeSGTouchStroke

(

void

)

void InitializeSMTG

(

void

)

void interpreter_magic_mt_trackpad

(

)

void interpreter_starcraft2

(

)

bool judge_Nfinger_move	(	float *	pcos_theta,
		int	nfinger,
		float	cx,
		float	cy,
		float	dx,
		float	dy
	)

bool judge_Nfinger_swipe	(	float	dx,
		float	dy,
		float	d,
		int	f_index,
		int	l_index,
		int	ntouch
	)

bool judge_Nfinger_tap	(	float	d,
		int	f_index,
		int	l_index,
		int	ntouch
	)

void middle_button_up

(

)

void save_nfingertap	(	bool	_flag,
		float	_cx,
		float	_cy,
		int	_ntouch
	)

void scroll_down

(

)

void scroll_left

(

)

void scroll_right

(

)

void scroll_up

(

)

void SetCoordinateMode

(

int

mode )

void sg_blobstotouchset	(	int	nBlobsSize,
		int *	pid,
		float *	pfx,
		float *	pfy,
		float *	pfdx,
		float *	pfdy
	)

void sg_mtp1FingerDTap_move

(

)

void sg_mtp1FingerTap_move

(

)

void sg_mtp_interpreter_statemachine

(

)

void sg_mtp_PRETOUCH_NFINGERSWIPE_2touch

(

)

void sg_mtp_PRETOUCH_NFINGERSWIPE_3touch

(

)

void sg_mtp_PRETOUCH_NFINGERSWIPE_4touch

(

)

void sg_mtpEDTAP

(

int

index )

void sg_mtpEDTAP_1touch

(

int

index )

void sg_mtpEPINCH

(

int

index )

void sg_mtpEROTATE

(

int

index )

void sg_mtpETAP

(

int

index )

void sg_mtpETAP_1touch

(

int

index )

void sg_mtpETAP_2touch

(

int

index )

void sg_mtpETAP_3touch

(

int

index )

void sg_mtpETAP_4touch

(

int

index )

void sg_mtpNFINGERHOLD

(

int

index )

void sg_mtpNFINGERMOVE

(

int

index )

void sg_mtpNFINGERSWIPE

(

int

index )

void sg_mtpNFINGERSWIPE_2touch

(

int

index )

void sg_mtpNFINGERSWIPE_3touch

(

int

index )

void sg_mtpNFINGERSWIPE_4touch

(

int

index )

int sg_rotate

(

void

)

int sg_scale

(

void

)

void sg_star2EDTAP

(

int

index )

void sg_star2EPINCH

(

int

index )

void sg_star2EROTATE

(

int

index )

void sg_star2ETAP

(

int

index )

void sg_star2NFINGERHOLD

(

int

index )

void sg_star2NFINGERMOVE

(

int

index )

void sg_star2NFINGERSWIPE

(

int

index )

void sg_statemachine

(

)

void sg_updatetouchset

(

)

void sgInterpreteGesture

(

int

application )

void sgRecognizeGesture	(	int	nBlobsSize,
		int *	pid,
		float *	pfx,
		float *	pfy,
		float *	pfdx,
		float *	pfdy
	)

void wm_Lbutton_down

(

int

index )

void wm_Lbutton_up

(

int

index )

void wm_mouse_move

(

int

index )

void wm_mouse_wheel

(

int

index )

void wm_mtp_rotation

(

int

index )

void wm_Rbutton_down

(

int

index )

void wm_Rbutton_up

(

int

index )

---

Variable Documentation

float ABSOLUTE_COORDINATE_X = 0.0f

float ABSOLUTE_COORDINATE_Y = 0.0f

bool ABSOLUTE_MODE = true

float ACCUMULATION_DEGREE = 0.0f

float ACCUMULATION_SCALE = 1.0f

int ALIVE_EDTAP_NUMTOUCH = -1

int ALIVE_ETAP_NUMTOUCH = -1

int ALIVE_SWIPE_DEGREE = -1

int ALIVE_SWIPE_NUMTOUCH = -1

unsigned long ONEFMOVE_START_T = 0

bool RELATIVE_MODE = false

int SG_ANGLE

SGEventList SG_EVENT_LIST

SGInterpreterState SG_INTERPRETER_STATE = SG_INTERPRETER_STATE_PRETOUCH

SGTouchSet SG_NEW_TOUCHSET

SGNFingerTap SG_NFINGERTAP = {false, 0.0f, 0.0f, 0, 0}

int SG_OLD_ANGLE

float SG_OLD_SCALE

SGTouchSet SG_OLD_TOUCHSET

SGParameter SG_PARAMETER

unsigned long SG_PRETOUCH_START_TIME = 0

float SG_SCALE

SGState SG_STATE = SG_STATE_IDLE

SGTouchStroke SG_TOUCH_STROKE

unsigned long TWOFMOVE_OLD_T = GetTickCount()

unsigned long TWOFMOVE_START_T = 0