Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
--- a/include/SDL_events.h Sat Jul 31 01:24:50 2010 +0400
+++ b/include/SDL_events.h Sat Jul 31 20:02:54 2010 +0400
@@ -288,15 +288,15 @@
Uint32 type; /**< ::SDL_FINGERMOTION OR
SDL_FINGERDOWN OR SDL_FINGERUP*/
Uint32 windowID; /**< The window with mouse focus, if any */
- long touchId; /**< The touch device id */
- long fingerId;
+ SDL_TouchID touchId; /**< The touch device id */
+ SDL_FingerID fingerId;
Uint8 state; /**< The current button state */
Uint8 padding1;
Uint8 padding2;
Uint8 padding3;
- float x;
- float y;
- int pressure;
+ Uint16 x;
+ Uint16 y;
+ Uint16 pressure;
} SDL_TouchFingerEvent;
@@ -307,7 +307,7 @@
{
Uint32 type; /**< ::SDL_TOUCHBUTTONUP OR SDL_TOUCHBUTTONDOWN */
Uint32 windowID; /**< The window with mouse focus, if any */
- long touchId; /**< The touch device index */
+ SDL_TouchID touchId; /**< The touch device index */
Uint8 state; /**< The current button state */
Uint8 button; /**< The button changing state */
Uint8 padding1;
@@ -323,7 +323,7 @@
{
Uint32 type; /**< ::SDL_MULTIGESTURE */
Uint32 windowID; /**< The window with mouse focus, if any */
- long touchId; /**< The touch device index */
+ SDL_TouchID touchId; /**< The touch device index */
float dTheta;
float dDist;
float x; //currently 0...1. Change to screen coords?
@@ -335,8 +335,8 @@
{
Uint32 type; /**< ::SDL_DOLLARGESTURE */
Uint32 windowID; /**< The window with mouse focus, if any */
- long touchId; /**< The touch device index */
- unsigned long gestureId;
+ SDL_TouchID touchId; /**< The touch device index */
+ SDL_GestureID gestureId;
float error;
/*
//TODO: Enable to give location?
--- a/include/SDL_gesture.h Sat Jul 31 01:24:50 2010 +0400
+++ b/include/SDL_gesture.h Sat Jul 31 20:02:54 2010 +0400
@@ -33,6 +33,9 @@
#include "SDL_error.h"
#include "SDL_video.h"
+#include "SDL_touch.h"
+
+
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
@@ -41,6 +44,7 @@
/* *INDENT-ON* */
#endif
+ typedef Uint64 SDL_GestureID;
/* Function prototypes */
@@ -49,7 +53,7 @@
*
*
*/
- extern DECLSPEC int SDLCALL SDL_RecordGesture(int touchId);
+ extern DECLSPEC int SDLCALL SDL_RecordGesture(SDL_TouchID touchId);
/**
@@ -65,7 +69,7 @@
*
*/
extern DECLSPEC int
- SDLCALL SDL_SaveDollarTemplate(unsigned long gestureId,SDL_RWops *src);
+ SDLCALL SDL_SaveDollarTemplate(SDL_GestureID gestureId,SDL_RWops *src);
/**
@@ -73,7 +77,8 @@
*
*
*/
- extern DECLSPEC int SDLCALL SDL_LoadDollarTemplates(int touchId, SDL_RWops *src);
+ extern DECLSPEC
+ int SDLCALL SDL_LoadDollarTemplates(SDL_TouchID touchId, SDL_RWops *src);
--- a/include/SDL_touch.h Sat Jul 31 01:24:50 2010 +0400
+++ b/include/SDL_touch.h Sat Jul 31 20:02:54 2010 +0400
@@ -42,15 +42,19 @@
#endif
+typedef Uint64 SDL_TouchID;
+typedef Uint64 SDL_FingerID;
+
+
struct SDL_Finger {
- long id;
- float x;
- float y;
- float xdelta;
- float ydelta;
- float last_x, last_y,last_pressure; /* the last reported coordinates */
+ SDL_FingerID id;
+ Uint16 x;
+ Uint16 y;
+ Uint16 xdelta;
+ Uint16 ydelta;
+ Uint16 last_x, last_y,last_pressure; /* the last reported coordinates */
SDL_bool down;
- float pressure;
+ Uint16 pressure;
};
typedef struct SDL_Touch SDL_Touch;
@@ -66,12 +70,13 @@
float pressure_max, pressure_min;
float x_max,x_min;
float y_max,y_min;
- float xres,yres,pressureres;
+ Uint16 xres,yres,pressureres;
+ float native_xres,native_yres,native_pressureres;
float tilt; /* for future use */
float rotation; /* for future use */
/* Data common to all touch */
- long id;
+ SDL_TouchID id;
SDL_Window *focus;
char *name;
@@ -95,7 +100,7 @@
*
*
*/
- extern DECLSPEC SDL_Touch* SDLCALL SDL_GetTouch(long id);
+ extern DECLSPEC SDL_Touch* SDLCALL SDL_GetTouch(SDL_TouchID id);
@@ -104,7 +109,8 @@
*
*
*/
- extern DECLSPEC SDL_Finger* SDLCALL SDL_GetFinger(SDL_Touch *touch, long id);
+ extern
+ DECLSPEC SDL_Finger* SDLCALL SDL_GetFinger(SDL_Touch *touch, SDL_FingerID id);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
--- a/src/events/SDL_gesture.c Sat Jul 31 01:24:50 2010 +0400
+++ b/src/events/SDL_gesture.c Sat Jul 31 20:02:54 2010 +0400
@@ -46,7 +46,7 @@
typedef struct {
Point p;
float pressure;
- int id;
+ SDL_FingerID id;
} Finger;
@@ -71,7 +71,7 @@
} DollarTemplate;
typedef struct {
- int id;
+ SDL_GestureID id;
Point res;
Point centroid;
TouchPoint gestureLast[MAXFINGERS];
@@ -87,7 +87,7 @@
int numGestureTouches = 0;
SDL_bool recordAll;
-int SDL_RecordGesture(int touchId) {
+int SDL_RecordGesture(SDL_TouchID touchId) {
int i;
if(touchId < 0) recordAll = SDL_TRUE;
for(i = 0;i < numGestureTouches; i++) {
@@ -143,7 +143,7 @@
return rtrn;
}
-int SDL_SaveDollarTemplate(unsigned long gestureId, SDL_RWops *src) {
+int SDL_SaveDollarTemplate(SDL_GestureID gestureId, SDL_RWops *src) {
int i,j;
for(i = 0; i < numGestureTouches; i++) {
GestureTouch* touch = &gestureTouch[i];
@@ -185,7 +185,7 @@
return -1;
}
-int SDL_LoadDollarTemplates(int touchId, SDL_RWops *src) {
+int SDL_LoadDollarTemplates(SDL_TouchID touchId, SDL_RWops *src) {
if(src == NULL) return 0;
int i,loaded = 0;
GestureTouch *touch = NULL;
@@ -394,7 +394,7 @@
return 0;
}
-GestureTouch * SDL_GetGestureTouch(int id) {
+GestureTouch * SDL_GetGestureTouch(SDL_TouchID id) {
int i;
for(i = 0;i < numGestureTouches; i++) {
//printf("%i ?= %i\n",gestureTouch[i].id,id);
@@ -414,7 +414,8 @@
return SDL_PushEvent(&event) > 0;
}
-int SDL_SendGestureDollar(GestureTouch* touch,int gestureId,float error) {
+int SDL_SendGestureDollar(GestureTouch* touch,
+ SDL_GestureID gestureId,float error) {
SDL_Event event;
event.dgesture.type = SDL_DOLLARGESTURE;
event.dgesture.touchId = touch->id;
@@ -429,7 +430,7 @@
}
-int SDL_SendDollarRecord(GestureTouch* touch,int gestureId) {
+int SDL_SendDollarRecord(GestureTouch* touch,SDL_GestureID gestureId) {
SDL_Event event;
event.dgesture.type = SDL_DOLLARRECORD;
event.dgesture.touchId = touch->id;
@@ -489,7 +490,7 @@
&bestTempl,inTouch);
if(bestTempl >= 0){
//Send Event
- int gestureId = inTouch->dollarTemplate[bestTempl].hash;
+ unsigned long gestureId = inTouch->dollarTemplate[bestTempl].hash;
SDL_SendGestureDollar(inTouch,gestureId,error);
printf("Dollar error: %f\n",error);
}
--- a/src/events/SDL_gesture_c.h Sat Jul 31 01:24:50 2010 +0400
+++ b/src/events/SDL_gesture_c.h Sat Jul 31 20:02:54 2010 +0400
@@ -26,7 +26,7 @@
extern void SDL_GestureProcessEvent(SDL_Event* event);
-extern int SDL_RecordGesture(int touchId);
+extern int SDL_RecordGesture(SDL_TouchID touchId);
extern int SDL_GestureAddTouch(SDL_Touch* touch);
--- a/src/events/SDL_touch.c Sat Jul 31 01:24:50 2010 +0400
+++ b/src/events/SDL_touch.c Sat Jul 31 20:02:54 2010 +0400
@@ -42,7 +42,7 @@
}
SDL_Touch *
-SDL_GetTouch(long id)
+SDL_GetTouch(SDL_TouchID id)
{
int index = SDL_GetTouchIndexId(id);
if (index < 0 || index >= SDL_num_touch) {
@@ -61,7 +61,7 @@
}
int
-SDL_GetFingerIndexId(SDL_Touch* touch,long fingerid)
+SDL_GetFingerIndexId(SDL_Touch* touch,SDL_FingerID fingerid)
{
int i;
for(i = 0;i < touch->num_fingers;i++)
@@ -72,7 +72,7 @@
SDL_Finger *
-SDL_GetFinger(SDL_Touch* touch,long id)
+SDL_GetFinger(SDL_Touch* touch,SDL_FingerID id)
{
int index = SDL_GetFingerIndexId(touch,id);
if(index < 0 || index >= touch->num_fingers)
@@ -82,7 +82,7 @@
int
-SDL_GetTouchIndexId(long id)
+SDL_GetTouchIndexId(SDL_TouchID id)
{
int index;
SDL_Touch *touch;
@@ -139,6 +139,8 @@
SDL_touchPads[index]->relative_mode = SDL_FALSE;
SDL_touchPads[index]->flush_motion = SDL_FALSE;
+ SDL_touchPads[index]->xres = (1<<(16-1));
+ SDL_touchPads[index]->yres = (1<<(16-1));
//Do I want this here? Probably
SDL_GestureAddTouch(SDL_touchPads[index]);
@@ -146,7 +148,7 @@
}
void
-SDL_DelTouch(long id)
+SDL_DelTouch(SDL_TouchID id)
{
int index = SDL_GetTouchIndexId(id);
SDL_Touch *touch = SDL_GetTouch(id);
@@ -189,7 +191,7 @@
return SDL_num_touch;
}
SDL_Window *
-SDL_GetTouchFocusWindow(long id)
+SDL_GetTouchFocusWindow(SDL_TouchID id)
{
SDL_Touch *touch = SDL_GetTouch(id);
@@ -200,7 +202,7 @@
}
void
-SDL_SetTouchFocus(long id, SDL_Window * window)
+SDL_SetTouchFocus(SDL_TouchID id, SDL_Window * window)
{
int index = SDL_GetTouchIndexId(id);
SDL_Touch *touch = SDL_GetTouch(id);
@@ -250,12 +252,12 @@
}
int
-SDL_AddFinger(SDL_Touch* touch,SDL_Finger finger)
+SDL_AddFinger(SDL_Touch* touch,SDL_Finger *finger)
{
int index;
SDL_Finger **fingers;
//printf("Adding Finger...\n");
- if (SDL_GetFingerIndexId(touch,finger.id) != -1) {
+ if (SDL_GetFingerIndexId(touch,finger->id) != -1) {
SDL_SetError("Finger ID already in use");
}
@@ -282,14 +284,14 @@
SDL_OutOfMemory();
return -1;
}
- *(touch->fingers[index]) = finger;
+ *(touch->fingers[index]) = *finger;
touch->num_fingers++;
return index;
}
int
-SDL_DelFinger(SDL_Touch* touch,long fingerid)
+SDL_DelFinger(SDL_Touch* touch,SDL_FingerID fingerid)
{
int index = SDL_GetFingerIndexId(touch,fingerid);
SDL_Finger* finger = SDL_GetFinger(touch,fingerid);
@@ -307,7 +309,8 @@
int
-SDL_SendFingerDown(long id, long fingerid, SDL_bool down, float x, float y, float pressure)
+SDL_SendFingerDown(SDL_TouchID id, SDL_FingerID fingerid, SDL_bool down,
+ float xin, float yin, float pressurein)
{
int posted;
SDL_Touch* touch = SDL_GetTouch(id);
@@ -315,11 +318,15 @@
if(!touch) {
return SDL_TouchNotFoundError(id);
}
-
+ //scale to Integer coordinates
+ Uint16 x = (xin+touch->x_min)*(touch->xres)/(touch->native_xres);
+ Uint16 y = (yin+touch->y_min)*(touch->yres)/(touch->native_yres);
+ Uint16 pressure = (yin+touch->pressure_min)*(touch->pressureres)/(touch->native_pressureres);
if(down) {
SDL_Finger *finger = SDL_GetFinger(touch,fingerid);
+ SDL_Finger nf;
if(finger == NULL) {
- SDL_Finger nf;
+
nf.id = fingerid;
nf.x = x;
nf.y = y;
@@ -330,11 +337,11 @@
nf.last_y = y;
nf.last_pressure = pressure;
nf.down = SDL_FALSE;
- SDL_AddFinger(touch,nf);
+ SDL_AddFinger(touch,&nf);
finger = &nf;
}
else if(finger->down) return 0;
- if(x < 0 || y < 0) return 0; //should defer if only a partial input
+ if(xin < touch->x_min || yin < touch->y_min) return 0; //should defer if only a partial input
posted = 0;
if (SDL_GetEventState(SDL_FINGERDOWN) == SDL_ENABLE) {
SDL_Event event;
@@ -367,8 +374,8 @@
}
int
-SDL_SendTouchMotion(long id, long fingerid, int relative,
- float x, float y, float pressure)
+SDL_SendTouchMotion(SDL_TouchID id, SDL_FingerID fingerid, int relative,
+ float xin, float yin, float pressurein)
{
int index = SDL_GetTouchIndexId(id);
SDL_Touch *touch = SDL_GetTouch(id);
@@ -381,6 +388,12 @@
if (!touch) {
return SDL_TouchNotFoundError(id);
}
+
+ //scale to Integer coordinates
+ Uint16 x = (xin+touch->x_min)*(touch->xres)/(touch->native_xres);
+ Uint16 y = (yin+touch->y_min)*(touch->yres)/(touch->native_yres);
+ Uint16 pressure = (yin+touch->pressure_min)*(touch->pressureres)/(touch->native_pressureres);
+ printf("(%f,%f) --> (%i,%i)",xin,yin,x,y);
if(touch->flush_motion) {
return 0;
}
@@ -395,9 +408,9 @@
x = (finger->last_x + x);
y = (finger->last_y + y);
} else {
- if(x < 0) x = finger->last_x; /*If movement is only in one axis,*/
- if(y < 0) y = finger->last_y; /*The other is marked as -1*/
- if(pressure < 0) pressure = finger->last_pressure;
+ if(xin < touch->x_min) x = finger->last_x; /*If movement is only in one axis,*/
+ if(yin < touch->y_min) y = finger->last_y; /*The other is marked as -1*/
+ if(pressurein < touch->pressure_min) pressure = finger->last_pressure;
xrel = x - finger->last_x;
yrel = y - finger->last_y;
}
@@ -448,6 +461,7 @@
event.tfinger.fingerId = fingerid;
event.tfinger.x = x;
event.tfinger.y = y;
+
event.tfinger.pressure = pressure;
event.tfinger.state = touch->buttonstate;
event.tfinger.windowID = touch->focus ? touch->focus->id : 0;
@@ -460,7 +474,7 @@
}
}
int
-SDL_SendTouchButton(long id, Uint8 state, Uint8 button)
+SDL_SendTouchButton(SDL_TouchID id, Uint8 state, Uint8 button)
{
SDL_Touch *touch = SDL_GetTouch(id);
int posted;
@@ -509,7 +523,7 @@
}
char *
-SDL_GetTouchName(long id)
+SDL_GetTouchName(SDL_TouchID id)
{
SDL_Touch *touch = SDL_GetTouch(id);
if (!touch) {
@@ -518,7 +532,7 @@
return touch->name;
}
-int SDL_TouchNotFoundError(long id) {
+int SDL_TouchNotFoundError(SDL_TouchID id) {
printf("ERROR: Cannot send touch on non-existent device with id: %li make sure SDL_AddTouch has been called\n",id);
printf("ERROR: There are %i touches installed with Id's:\n",SDL_num_touch);
int i;
--- a/src/events/SDL_touch_c.h Sat Jul 31 01:24:50 2010 +0400
+++ b/src/events/SDL_touch_c.h Sat Jul 31 20:02:54 2010 +0400
@@ -34,13 +34,13 @@
extern SDL_Touch *SDL_GetTouchIndex(int index);
/* Get the touch with id = id */
-extern SDL_Touch *SDL_GetTouch(long id);
+extern SDL_Touch *SDL_GetTouch(SDL_TouchID id);
/*Get the finger at an index */
extern SDL_Finger *SDL_GetFingerIndex(SDL_Touch *touch, int index);
/* Get the finger with id = id */
-extern SDL_Finger *SDL_GetFinger(SDL_Touch *touch,long id);
+extern SDL_Finger *SDL_GetFinger(SDL_Touch *touch,SDL_FingerID id);
/* Add a touch, possibly reattaching at a particular index (or -1),
@@ -49,30 +49,30 @@
/* Remove a touch at an index, clearing the slot for later */
-extern void SDL_DelTouch(long id);
+extern void SDL_DelTouch(SDL_TouchID id);
/* Set the touch focus window */
-extern void SDL_SetTouchFocus(long id, SDL_Window * window);
+extern void SDL_SetTouchFocus(SDL_TouchID id, SDL_Window * window);
/* Send a touch motion event for a touch */
-extern int SDL_SendTouchMotion(long id, long fingerid,
+extern int SDL_SendTouchMotion(SDL_TouchID id, SDL_FingerID fingerid,
int relative, float x, float y, float z);
/* Send a touch down/up event for a touch */
-extern int SDL_SendFingerDown(long id, long fingerid, SDL_bool down,
- float x, float y, float pressure);
+extern int SDL_SendFingerDown(SDL_TouchID id, SDL_FingerID fingerid,
+ SDL_bool down, float x, float y, float pressure);
/* Send a touch button event for a touch */
-extern int SDL_SendTouchButton(long id, Uint8 state, Uint8 button);
+extern int SDL_SendTouchButton(SDL_TouchID id, Uint8 state, Uint8 button);
/* Shutdown the touch subsystem */
extern void SDL_TouchQuit(void);
/* Get the index of a touch device */
-extern int SDL_GetTouchIndexId(long id);
+extern int SDL_GetTouchIndexId(SDL_TouchID id);
/* Print a debug message for a nonexistent touch */
-extern int SDL_TouchNotFoundError(long id);
+extern int SDL_TouchNotFoundError(SDL_TouchID id);
#endif /* _SDL_touch_c_h */
--- a/src/video/cocoa/SDL_cocoawindow.m Sat Jul 31 01:24:50 2010 +0400
+++ b/src/video/cocoa/SDL_cocoawindow.m Sat Jul 31 20:02:54 2010 +0400
@@ -304,13 +304,13 @@
touch.id = touchId;
touch.x_min = 0;
touch.x_max = 1;
- touch.xres = touch.x_max - touch.x_min;
+ touch.native_xres = touch.x_max - touch.x_min;
touch.y_min = 0;
touch.y_max = 1;
- touch.yres = touch.y_max - touch.y_min;
+ touch.native_yres = touch.y_max - touch.y_min;
touch.pressure_min = 0;
touch.pressure_max = 1;
- touch.pressureres = touch.pressure_max - touch.pressure_min;
+ touch.native_pressureres = touch.pressure_max - touch.pressure_min;
if (SDL_AddTouch(&touch, "") < 0) {
continue;
--- a/src/video/uikit/SDL_uikitview.m Sat Jul 31 01:24:50 2010 +0400
+++ b/src/video/uikit/SDL_uikitview.m Sat Jul 31 20:02:54 2010 +0400
@@ -58,13 +58,13 @@
touch.x_min = 0;
touch.x_max = frame.size.width;
- touch.xres = touch.x_max - touch.x_min;
+ touch.native_xres = touch.x_max - touch.x_min;
touch.y_min = 0;
touch.y_max = frame.size.height;
- touch.yres = touch.y_max - touch.y_min;
+ touch.native_yres = touch.y_max - touch.y_min;
touch.pressure_min = 0;
touch.pressure_max = 1;
- touch.pressureres = touch.pressure_max - touch.pressure_min;
+ touch.native_pressureres = touch.pressure_max - touch.pressure_min;
touchId = SDL_AddTouch(&touch, "IPHONE SCREEN");
--- a/src/video/x11/SDL_eventtouch.c Sat Jul 31 01:24:50 2010 +0400
+++ b/src/video/x11/SDL_eventtouch.c Sat Jul 31 20:02:54 2010 +0400
@@ -56,9 +56,6 @@
touch.pressure_max = 0;
touch.pressure_min = 0;
touch.id = event;
-
-
-
touch.driverdata = SDL_malloc(sizeof(EventTouchData));
@@ -76,19 +73,17 @@
ioctl(data->eventStream,EVIOCGABS(0),abs);
touch.x_min = abs[1];
touch.x_max = abs[2];
- touch.xres = touch.x_max - touch.x_min;
+ touch.native_xres = touch.x_max - touch.x_min;
ioctl(data->eventStream,EVIOCGABS(ABS_Y),abs);
touch.y_min = abs[1];
touch.y_max = abs[2];
- touch.yres = touch.y_max - touch.y_min;
+ touch.native_yres = touch.y_max - touch.y_min;
ioctl(data->eventStream,EVIOCGABS(ABS_PRESSURE),abs);
touch.pressure_min = abs[1];
touch.pressure_max = abs[2];
- touch.pressureres = touch.pressure_max - touch.pressure_min;
-
+ touch.native_pressureres = touch.pressure_max - touch.pressure_min;
SDL_AddTouch(&touch, tstr);
-
}
vendor = -1;
product = -1;
--- a/touchTest/Iphone Test/touchTestIPhone2/touchTestIPhone/main.c Sat Jul 31 01:24:50 2010 +0400
+++ b/touchTest/Iphone Test/touchTestIPhone2/touchTestIPhone/main.c Sat Jul 31 20:02:54 2010 +0400
@@ -335,7 +335,7 @@
case SDL_MOUSEMOTION:
mousx = event.motion.x;
mousy = event.motion.y;
- break;
+ break;
case SDL_MOUSEBUTTONDOWN:
bstatus |= (1<<(event.button.button-1));
break;
@@ -344,7 +344,7 @@
break;
case SDL_FINGERMOTION:
;
- printf("Finger: %li,x: %f, y: %f\n",event.tfinger.fingerId,
+ printf("Finger: %li,x: %i, y: %i\n",event.tfinger.fingerId,
event.tfinger.x,event.tfinger.y);
SDL_Touch* inTouch = SDL_GetTouch(event.tfinger.touchId);
//SDL_Finger* inFinger = SDL_GetFinger(inTouch,event.tfinger.fingerId);
@@ -353,10 +353,8 @@
break;
if(i == MAXFINGERS) break;
if(inTouch > 0) {
- finger[i].p.x = ((float)event.tfinger.x)/
- inTouch->xres;
- finger[i].p.y = ((float)event.tfinger.y)/
- inTouch->yres;
+ finger[i].p.x = ((float)event.tfinger.x)/inTouch->xres;
+ finger[i].p.y = ((float)event.tfinger.y)/inTouch->yres;
finger[i].pressure =
((float)event.tfinger.pressure)/inTouch->pressureres;
@@ -372,7 +370,7 @@
break;
case SDL_FINGERDOWN:
- printf("Finger: %li down - x: %f, y: %f\n",event.tfinger.fingerId,
+ printf("Finger: %li down - x: %i, y: %i\n",event.tfinger.fingerId,
event.tfinger.x,event.tfinger.y);
for(i = 0;i<MAXFINGERS;i++)
@@ -384,7 +382,7 @@
finger[i].p.y = event.tfinger.y;
break;
case SDL_FINGERUP:
- printf("Figner: %li up - x: %f, y: %f\n",event.tfinger.fingerId,
+ printf("Figner: %li up - x: %i, y: %i\n",event.tfinger.fingerId,
event.tfinger.x,event.tfinger.y);
for(i = 0;i<MAXFINGERS;i++)
if(index2fingerid[i] == event.tfinger.fingerId) {