sdl-ios-xcode: src/events/SDL

annotate src/events/SDL_gesture.c @ 4664:317a151b79ad

Bug fixes, now using RWops instead of File pointers.

author	Jim Grandpre <jim.tla@gmail.com>
date	Fri, 16 Jul 2010 20:48:43 -0400
parents	063b9455bd1a
children	c2493813a2f4

rev	line source
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	1 /*
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	4
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	9
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	13 Lesser General Public License for more details.
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	14
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	16 License along with this library; if not, write to the Free Software Founation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	17
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	18 Sam Lantinga
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	19 slouken@libsdl.org
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	20 */
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	21 #include "SDL_config.h"
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	22
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	23 /* General mouse handling code for SDL */
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	24
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	25 #include "SDL_events.h"
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	26 #include "SDL_events_c.h"
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	27 #include "SDL_gesture_c.h"
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	28
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	29 //TODO: Replace with malloc
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	30 #define MAXFINGERS 3
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	31 #define MAXTOUCHES 2
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	32 #define MAXTEMPLATES 4
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	33 #define MAXPATHSIZE 1024
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	34
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	35 #define DOLLARNPOINTS 64
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	36 #define DOLLARSIZE 256
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	37
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	38 //PHI = ((sqrt(5)-1)/2)
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	39 #define PHI 0.618033989
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	40
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	41 typedef struct {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	42 float x,y;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	43 } Point;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	44
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	45
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	46 typedef struct {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	47 Point p;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	48 float pressure;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	49 int id;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	50 } Finger;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	51
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	52
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	53 typedef struct {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	54 float length;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	55
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	56 int numPoints;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	57 Point p[MAXPATHSIZE];
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	58 } DollarPath;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	59
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	60
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	61 typedef struct {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	62 Finger f;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	63 Point cv;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	64 float dtheta,dDist;
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	65 DollarPath dollarPath;
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	66 } TouchPoint;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	67
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	68 typedef struct {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	69 Point path[DOLLARNPOINTS];
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	70 unsigned long hash;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	71 } DollarTemplate;
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	72
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	73 typedef struct {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	74 int id;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	75 Point res;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	76 Point centroid;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	77 TouchPoint gestureLast[MAXFINGERS];
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	78 int numDownFingers;
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	79
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	80 int numDollarTemplates;
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	81 DollarTemplate dollarTemplate[MAXTEMPLATES];
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	82
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	83 SDL_bool recording;
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	84 } GestureTouch;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	85
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	86 GestureTouch gestureTouch[MAXTOUCHES];
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	87 int numGestureTouches = 0;
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	88 SDL_bool recordAll;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	89
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	90 int SDL_RecordGesture(int touchId) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	91 int i;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	92 if(touchId < 0) recordAll = SDL_TRUE;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	93 for(i = 0;i < numGestureTouches; i++) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	94 if((touchId < 0) \|\| (gestureTouch[i].id == touchId)) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	95 gestureTouch[i].recording = SDL_TRUE;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	96 if(touchId >= 0)
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	97 return 1;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	98 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	99 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	100 return (touchId < 0);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	101 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	102
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	103 unsigned long SDL_HashDollar(Point* points) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	104 unsigned long hash = 5381;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	105 int i;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	106 for(i = 0;i < DOLLARNPOINTS; i++) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	107 hash = ((hash<<5) + hash) + points[i].x;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	108 hash = ((hash<<5) + hash) + points[i].y;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	109 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	110 return hash;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	111 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	112
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	113 int SaveTemplate(DollarTemplate templ, SDL_RWops src) {
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	114 if(src == NULL) return 0;
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	115 int i;
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	116
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	117 //No Longer storing the Hash, rehash on load
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	118 //fprintf(fp,"%lu ",templ->hash);
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	119 //if(SDL_RWops.write(src,&(templ->hash),sizeof(templ->hash),1) != 1) return 0;
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	120
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	121 /*
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	122 for(i = 0;i < DOLLARNPOINTS;i++) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	123 fprintf(fp,"%i %i ",(int)templ->path[i].x,(int)templ->path[i].y);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	124 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	125 fprintf(fp,"\n");
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	126 */
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	127 if(SDL_RWwrite(src,templ->path,sizeof(templ->path[0]),DOLLARNPOINTS) != DOLLARNPOINTS) return 0;
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	128 return 1;
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	129 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	130
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	131
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	132 int SDL_SaveAllDollarTemplates(SDL_RWops *src) {
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	133 int i,j,rtrn = 0;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	134 for(i = 0; i < numGestureTouches; i++) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	135 GestureTouch* touch = &gestureTouch[i];
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	136 for(j = 0;j < touch->numDollarTemplates; j++) {
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	137 rtrn += SaveTemplate(&touch->dollarTemplate[i],src);
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	138 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	139 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	140 return rtrn;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	141 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	142
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	143 int SDL_SaveDollarTemplate(unsigned long gestureId, SDL_RWops *src) {
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	144 int i,j;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	145 for(i = 0; i < numGestureTouches; i++) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	146 GestureTouch* touch = &gestureTouch[i];
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	147 for(j = 0;j < touch->numDollarTemplates; j++) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	148 if(touch->dollarTemplate[i].hash == gestureId) {
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	149 return SaveTemplate(&touch->dollarTemplate[i],src);
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	150 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	151 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	152 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	153 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	154
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	155 int SDL_LoadDollarTemplates(int touchId, SDL_RWops *src) {
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	156 if(src == NULL) return 0;
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	157 int i,loaded = 0;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	158 GestureTouch *touch = NULL;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	159 if(touchId >= 0) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	160 for(i = 0;i < numGestureTouches; i++)
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	161 if(gestureTouch[i].id == touchId)
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	162 touch = &gestureTouch[i];
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	163 if(touch == NULL) return -1;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	164 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	165
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	166 while(1) {
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	167 DollarTemplate templ;
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	168 //fscanf(fp,"%lu ",&templ.hash);
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	169 /*
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	170 for(i = 0;i < DOLLARNPOINTS; i++) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	171 int x,y;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	172 if(fscanf(fp,"%i %i ",&x,&y) != 2) break;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	173 templ.path[i].x = x;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	174 templ.path[i].y = y;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	175 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	176 fscanf(fp,"\n");
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	177 */
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	178 if(SDL_RWread(src,templ.path,sizeof(templ.path[0]),DOLLARNPOINTS) < DOLLARNPOINTS) break;
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	179
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	180 if(touchId >= 0) {
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	181 printf("Adding loaded gesture to 1 touch\n");
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	182 if(SDL_AddDollarGesture(touch,templ.path)) loaded++;
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	183 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	184 else {
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	185 printf("Adding to: %i touches\n",numGestureTouches);
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	186 for(i = 0;i < numGestureTouches; i++) {
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	187 touch = &gestureTouch[i];
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	188 printf("Adding loaded gesture to + touches\n");
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	189 //TODO: What if this fails?
317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	190 SDL_AddDollarGesture(touch,templ.path);
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	191 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	192 loaded++;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	193 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	194 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	195
4664 317a151b79ad Bug fixes, now using RWops instead of File pointers. Jim Grandpre <jim.tla@gmail.com> parents: 4659 diff changeset	196 return loaded;
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	197 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	198
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	199
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	200 //path is an already sampled set of points
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	201 //Returns the index of the gesture on success, or -1
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	202 int SDL_AddDollarGesture(GestureTouch* inTouch,Point* path) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	203 if(inTouch == NULL) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	204 if(numGestureTouches == 0) return -1;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	205 int i = 0;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	206 for(i = 0;i < numGestureTouches; i++) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	207 inTouch = &gestureTouch[i];
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	208 if(inTouch->numDollarTemplates < MAXTEMPLATES) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	209 DollarTemplate *templ =
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	210 &inTouch->dollarTemplate[inTouch->numDollarTemplates];
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	211 memcpy(templ->path,path,DOLLARNPOINTS*sizeof(Point));
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	212 templ->hash = SDL_HashDollar(templ->path);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	213 inTouch->numDollarTemplates++;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	214 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	215 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	216 return inTouch->numDollarTemplates - 1;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	217 }else if(inTouch->numDollarTemplates < MAXTEMPLATES) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	218 DollarTemplate *templ =
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	219 &inTouch->dollarTemplate[inTouch->numDollarTemplates];
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	220 memcpy(templ->path,path,DOLLARNPOINTS*sizeof(Point));
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	221 templ->hash = SDL_HashDollar(templ->path);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	222 inTouch->numDollarTemplates++;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	223 return inTouch->numDollarTemplates - 1;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	224 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	225 return -1;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	226 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	227
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	228
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	229
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	230
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	231 float dollarDifference(Point* points,Point* templ,float ang) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	232 // Point p[DOLLARNPOINTS];
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	233 float dist = 0;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	234 Point p;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	235 int i;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	236 for(i = 0; i < DOLLARNPOINTS; i++) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	237 p.x = points[i].x * cos(ang) - points[i].y * sin(ang);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	238 p.y = points[i].x * sin(ang) + points[i].y * cos(ang);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	239 dist += sqrt((p.x-templ[i].x)*(p.x-templ[i].x)+
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	240 (p.y-templ[i].y)*(p.y-templ[i].y));
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	241 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	242 return dist/DOLLARNPOINTS;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	243
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	244 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	245
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	246 float bestDollarDifference(Point* points,Point* templ) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	247 //------------BEGIN DOLLAR BLACKBOX----------------//
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	248 //-TRANSLATED DIRECTLY FROM PSUDEO-CODE AVAILABLE AT-//
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	249 //-"http://depts.washington.edu/aimgroup/proj/dollar/"-//
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	250 float ta = -M_PI/4;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	251 float tb = M_PI/4;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	252 float dt = M_PI/90;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	253 float x1 = PHIta + (1-PHI)tb;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	254 float f1 = dollarDifference(points,templ,x1);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	255 float x2 = (1-PHI)ta + PHItb;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	256 float f2 = dollarDifference(points,templ,x2);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	257 while(abs(ta-tb) > dt) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	258 if(f1 < f2) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	259 tb = x2;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	260 x2 = x1;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	261 f2 = f1;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	262 x1 = PHIta + (1-PHI)tb;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	263 f1 = dollarDifference(points,templ,x1);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	264 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	265 else {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	266 ta = x1;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	267 x1 = x2;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	268 f1 = f2;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	269 x2 = (1-PHI)ta + PHItb;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	270 f2 = dollarDifference(points,templ,x2);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	271 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	272 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	273 /*
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	274 if(f1 <= f2)
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	275 printf("Min angle (x1): %f\n",x1);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	276 else if(f1 > f2)
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	277 printf("Min angle (x2): %f\n",x2);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	278 */
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	279 return SDL_min(f1,f2);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	280 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	281
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	282 float dollarRecognize(DollarPath path,int bestTempl,GestureTouch touch) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	283
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	284 Point points[DOLLARNPOINTS];
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	285 int numPoints = dollarNormalize(path,points);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	286 int i;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	287
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	288 int bestDiff = 10000;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	289 *bestTempl = -1;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	290 for(i = 0;i < touch->numDollarTemplates;i++) {
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	291 int diff = bestDollarDifference(points,touch->dollarTemplate[i].path);
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	292 if(diff < bestDiff) {bestDiff = diff; *bestTempl = i;}
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	293 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	294 return bestDiff;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	295 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	296
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	297 //DollarPath contains raw points, plus (possibly) the calculated length
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	298 int dollarNormalize(DollarPath path,Point *points) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	299 int i;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	300 //Calculate length if it hasn't already been done
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	301 if(path.length <= 0) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	302 for(i=1;i<path.numPoints;i++) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	303 float dx = path.p[i ].x -
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	304 path.p[i-1].x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	305 float dy = path.p[i ].y -
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	306 path.p[i-1].y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	307 path.length += sqrt(dxdx+dydy);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	308 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	309 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	310
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	311
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	312 //Resample
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	313 float interval = path.length/(DOLLARNPOINTS - 1);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	314 float dist = 0;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	315
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	316 int numPoints = 0;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	317 Point centroid; centroid.x = 0;centroid.y = 0;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	318 //printf("(%f,%f)\n",path.p[path.numPoints-1].x,path.p[path.numPoints-1].y);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	319 for(i = 1;i < path.numPoints;i++) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	320 float d = sqrt((path.p[i-1].x-path.p[i].x)*(path.p[i-1].x-path.p[i].x)+
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	321 (path.p[i-1].y-path.p[i].y)*(path.p[i-1].y-path.p[i].y));
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	322 //printf("d = %f dist = %f/%f\n",d,dist,interval);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	323 while(dist + d > interval) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	324 points[numPoints].x = path.p[i-1].x +
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	325 ((interval-dist)/d)*(path.p[i].x-path.p[i-1].x);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	326 points[numPoints].y = path.p[i-1].y +
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	327 ((interval-dist)/d)*(path.p[i].y-path.p[i-1].y);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	328 centroid.x += points[numPoints].x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	329 centroid.y += points[numPoints].y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	330 numPoints++;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	331
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	332 dist -= interval;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	333 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	334 dist += d;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	335 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	336 if(numPoints < 1) return 0;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	337 centroid.x /= numPoints;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	338 centroid.y /= numPoints;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	339
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	340 //printf("Centroid (%f,%f)",centroid.x,centroid.y);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	341 //Rotate Points so point 0 is left of centroid and solve for the bounding box
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	342 float xmin,xmax,ymin,ymax;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	343 xmin = centroid.x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	344 xmax = centroid.x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	345 ymin = centroid.y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	346 ymax = centroid.y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	347
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	348 float ang = atan2(centroid.y - points[0].y,
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	349 centroid.x - points[0].x);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	350
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	351 for(i = 0;i<numPoints;i++) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	352 float px = points[i].x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	353 float py = points[i].y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	354 points[i].x = (px - centroid.x)*cos(ang) -
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	355 (py - centroid.y)*sin(ang) + centroid.x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	356 points[i].y = (px - centroid.x)*sin(ang) +
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	357 (py - centroid.y)*cos(ang) + centroid.y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	358
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	359
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	360 if(points[i].x < xmin) xmin = points[i].x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	361 if(points[i].x > xmax) xmax = points[i].x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	362 if(points[i].y < ymin) ymin = points[i].y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	363 if(points[i].y > ymax) ymax = points[i].y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	364 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	365
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	366 //Scale points to DOLLARSIZE, and translate to the origin
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	367 float w = xmax-xmin;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	368 float h = ymax-ymin;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	369
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	370 for(i=0;i<numPoints;i++) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	371 points[i].x = (points[i].x - centroid.x)*DOLLARSIZE/w;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	372 points[i].y = (points[i].y - centroid.y)*DOLLARSIZE/h;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	373 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	374 return numPoints;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	375 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	376
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	377 int SDL_GestureAddTouch(SDL_Touch* touch) {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	378 if(numGestureTouches >= MAXTOUCHES) return -1;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	379
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	380 gestureTouch[numGestureTouches].res.x = touch->xres;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	381 gestureTouch[numGestureTouches].res.y = touch->yres;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	382 gestureTouch[numGestureTouches].numDownFingers = 0;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	383
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	384 gestureTouch[numGestureTouches].res.x = touch->xres;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	385 gestureTouch[numGestureTouches].id = touch->id;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	386
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	387 gestureTouch[numGestureTouches].numDollarTemplates = 0;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	388
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	389 gestureTouch[numGestureTouches].recording = SDL_FALSE;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	390
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	391 numGestureTouches++;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	392 return 0;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	393 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	394
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	395 GestureTouch * SDL_GetGestureTouch(int id) {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	396 int i;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	397 for(i = 0;i < numGestureTouches; i++) {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	398 //printf("%i ?= %i\n",gestureTouch[i].id,id);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	399 if(gestureTouch[i].id == id) return &gestureTouch[i];
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	400 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	401 return NULL;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	402 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	403
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	404 int SDL_SendGestureMulti(GestureTouch* touch,float dTheta,float dDist) {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	405 SDL_Event event;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	406 event.mgesture.type = SDL_MULTIGESTURE;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	407 event.mgesture.touchId = touch->id;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	408 event.mgesture.x = touch->centroid.x;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	409 event.mgesture.y = touch->centroid.y;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	410 event.mgesture.dTheta = dTheta;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	411 event.mgesture.dDist = dDist;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	412 return SDL_PushEvent(&event) > 0;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	413 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	414
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	415 int SDL_SendGestureDollar(GestureTouch* touch,int gestureId,float error) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	416 SDL_Event event;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	417 event.dgesture.type = SDL_DOLLARGESTURE;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	418 event.dgesture.touchId = touch->id;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	419 /*
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	420 //TODO: Add this to give location of gesture?
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	421 event.mgesture.x = touch->centroid.x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	422 event.mgesture.y = touch->centroid.y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	423 */
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	424 event.dgesture.gestureId = gestureId;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	425 event.dgesture.error = error;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	426 return SDL_PushEvent(&event) > 0;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	427 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	428
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	429
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	430 int SDL_SendDollarRecord(GestureTouch* touch,int gestureId) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	431 SDL_Event event;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	432 event.dgesture.type = SDL_DOLLARRECORD;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	433 event.dgesture.touchId = touch->id;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	434 event.dgesture.gestureId = gestureId;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	435
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	436 return SDL_PushEvent(&event) > 0;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	437 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	438
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	439
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	440 void SDL_GestureProcessEvent(SDL_Event* event)
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	441 {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	442 if(event->type == SDL_FINGERMOTION \|\|
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	443 event->type == SDL_FINGERDOWN \|\|
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	444 event->type == SDL_FINGERUP) {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	445 GestureTouch* inTouch = SDL_GetGestureTouch(event->tfinger.touchId);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	446
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	447 //Shouldn't be possible
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	448 if(inTouch == NULL) return;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	449
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	450
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	451 float x = ((float)event->tfinger.x)/inTouch->res.x;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	452 float y = ((float)event->tfinger.y)/inTouch->res.y;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	453 int j,empty = -1;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	454
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	455 for(j = 0;j<inTouch->numDownFingers;j++) {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	456 if(inTouch->gestureLast[j].f.id != event->tfinger.fingerId) continue;
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	457 //Finger Up
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	458 if(event->type == SDL_FINGERUP) {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	459 inTouch->numDownFingers--;
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	460
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	461 if(inTouch->recording) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	462 inTouch->recording = SDL_FALSE;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	463 Point path[DOLLARNPOINTS];
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	464 dollarNormalize(inTouch->gestureLast[j].dollarPath,path);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	465 int index;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	466 if(recordAll) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	467 index = SDL_AddDollarGesture(NULL,path);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	468 int i;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	469 for(i = 0;i < numGestureTouches; i++)
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	470 gestureTouch[i].recording = SDL_FALSE;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	471 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	472 else {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	473 index = SDL_AddDollarGesture(inTouch,path);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	474 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	475
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	476 if(index >= 0) {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	477 SDL_SendDollarRecord(inTouch,inTouch->dollarTemplate[index].hash);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	478 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	479 else {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	480 SDL_SendDollarRecord(inTouch,-1);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	481 }
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	482 }
4659 063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	483 else {
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	484 int bestTempl;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	485 float error;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	486 error = dollarRecognize(inTouch->gestureLast[j].dollarPath,
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	487 &bestTempl,inTouch);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	488 if(bestTempl >= 0){
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	489 //Send Event
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	490 int gestureId = inTouch->dollarTemplate[bestTempl].hash;
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	491 SDL_SendGestureDollar(inTouch,gestureId,error);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	492 printf("Dollar error: %f\n",error);
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	493 }
063b9455bd1a Added some files I had previosuly missed Jim Grandpre <jim.tla@gmail.com> parents: 4658 diff changeset	494 }
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	495 inTouch->gestureLast[j] = inTouch->gestureLast[inTouch->numDownFingers];
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	496 break;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	497 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	498 else {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	499 float dx = x - inTouch->gestureLast[j].f.p.x;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	500 float dy = y - inTouch->gestureLast[j].f.p.y;
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	501 DollarPath* path = &inTouch->gestureLast[j].dollarPath;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	502 if(path->numPoints < MAXPATHSIZE) {
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	503 path->p[path->numPoints].x = x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	504 path->p[path->numPoints].y = y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	505 path->length += sqrt(dxdx + dydy);
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	506 path->numPoints++;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	507 }
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	508
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	509
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	510 inTouch->centroid.x += dx/inTouch->numDownFingers;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	511 inTouch->centroid.y += dy/inTouch->numDownFingers;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	512 if(inTouch->numDownFingers > 1) {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	513 Point lv; //Vector from centroid to last x,y position
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	514 Point v; //Vector from centroid to current x,y position
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	515 lv = inTouch->gestureLast[j].cv;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	516 float lDist = sqrt(lv.xlv.x + lv.ylv.y);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	517 //printf("lDist = %f\n",lDist);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	518 v.x = x - inTouch->centroid.x;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	519 v.y = y - inTouch->centroid.y;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	520 inTouch->gestureLast[j].cv = v;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	521 float Dist = sqrt(v.xv.x+v.yv.y);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	522 // cos(dTheta) = (v . lv)/(\|v\| * \|lv\|)
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	523
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	524 //Normalize Vectors to simplify angle calculation
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	525 lv.x/=lDist;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	526 lv.y/=lDist;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	527 v.x/=Dist;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	528 v.y/=Dist;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	529 float dtheta = atan2(lv.xv.y - lv.yv.x,lv.xv.x + lv.yv.y);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	530
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	531 float dDist = (Dist - lDist);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	532 if(lDist == 0) {dDist = 0;dtheta = 0;} //To avoid impossible values
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	533 inTouch->gestureLast[j].dDist = dDist;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	534 inTouch->gestureLast[j].dtheta = dtheta;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	535
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	536 //printf("dDist = %f, dTheta = %f\n",dDist,dtheta);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	537 //gdtheta = gdtheta.9 + dtheta.1;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	538 //gdDist = gdDist.9 + dDist.1
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	539 //knob.r += dDist/numDownFingers;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	540 //knob.ang += dtheta;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	541 //printf("thetaSum = %f, distSum = %f\n",gdtheta,gdDist);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	542 //printf("id: %i dTheta = %f, dDist = %f\n",j,dtheta,dDist);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	543 SDL_SendGestureMulti(inTouch,dtheta,dDist);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	544 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	545 else {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	546 inTouch->gestureLast[j].dDist = 0;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	547 inTouch->gestureLast[j].dtheta = 0;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	548 inTouch->gestureLast[j].cv.x = 0;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	549 inTouch->gestureLast[j].cv.y = 0;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	550 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	551 inTouch->gestureLast[j].f.p.x = x;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	552 inTouch->gestureLast[j].f.p.y = y;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	553 break;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	554 //pressure?
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	555 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	556 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	557
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	558 if(j == inTouch->numDownFingers) {
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	559 //printf("Finger Down!!!\n");
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	560 inTouch->numDownFingers++;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	561 inTouch->centroid.x = (inTouch->centroid.x*(inTouch->numDownFingers - 1)+
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	562 x)/inTouch->numDownFingers;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	563 inTouch->centroid.y = (inTouch->centroid.y*(inTouch->numDownFingers - 1)+
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	564 y)/inTouch->numDownFingers;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	565
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	566 inTouch->gestureLast[j].f.id = event->tfinger.fingerId;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	567 inTouch->gestureLast[j].f.p.x = x;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	568 inTouch->gestureLast[j].f.p.y = y;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	569 inTouch->gestureLast[j].cv.x = 0;
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	570 inTouch->gestureLast[j].cv.y = 0;
4658 454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	571
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	572 inTouch->gestureLast[j].dollarPath.length = 0;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	573 inTouch->gestureLast[j].dollarPath.p[0].x = x;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	574 inTouch->gestureLast[j].dollarPath.p[0].y = y;
454385d76845 Moved $1 Gestures into the SDL Library Jim Grandpre <jim.tla@gmail.com> parents: 4657 diff changeset	575 inTouch->gestureLast[j].dollarPath.numPoints = 1;
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	576 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	577 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	578 }
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	579
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	580 /* vi: set ts=4 sw=4 expandtab: */
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	581

Mercurial > sdl-ios-xcode

annotate src/events/SDL_gesture.c @ 4664:317a151b79ad