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annotate touchTest/gestureTest.c @ 4651:86c171888eee

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Added gesture test c file. Beginning of gesture recognition.
author Jim Grandpre <jim.tla@gmail.com>
date Mon, 14 Jun 2010 01:44:04 -0400
parents
children 744b75ad18b8
rev   line source
4651
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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1 #include <stdio.h>
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2 #include <SDL.h>
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3 #include <math.h>
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4 #include <SDL_touch.h>
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5
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6 #define PI 3.1415926535897
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7 #define WIDTH 640
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8 #define HEIGHT 480
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9 #define BPP 4
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10 #define DEPTH 32
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11
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12 #define MAXFINGERS 3
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13
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14
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16
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17 //MUST BE A POWER OF 2!
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18 #define EVENT_BUF_SIZE 256
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19
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20 SDL_Event events[EVENT_BUF_SIZE];
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21 int eventWrite;
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22
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23 int mousx,mousy;
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24 int keystat[512];
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25 int bstatus;
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26
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27 int colors[7] = {0xFF,0xFF00,0xFF0000,0xFFFF00,0x00FFFF,0xFF00FF,0xFFFFFF};
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28
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29 int index2fingerid[MAXFINGERS];
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30 int fingersDown;
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31
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32 typedef struct {
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33 float x,y;
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34 } Point;
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35
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36 typedef struct {
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37 Point p;
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38 float pressure;
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39 int id;
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40 } Finger;
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41
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42
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43 Finger finger[MAXFINGERS];
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44
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45 Finger gestureLast[MAXFINGERS];
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46
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47 void handler (int sig)
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48 {
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49 printf ("\exiting...(%d)\n", sig);
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50 exit (0);
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51 }
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52
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53 void perror_exit (char *error)
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54 {
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55 perror (error);
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56 handler (9);
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57 }
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58
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59
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60 void setpix(SDL_Surface *screen, int x, int y, unsigned int col)
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61 {
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62 Uint32 *pixmem32;
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63 Uint32 colour;
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64
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65 if((unsigned)x > screen->w) return;
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66 if((unsigned)y > screen->h) return;
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67
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68 pixmem32 = (Uint32*) screen->pixels + y*screen->pitch/BPP + x;
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69
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70 Uint8 r,g,b;
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71 float a;
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72
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73 memcpy(&colour,pixmem32,screen->format->BytesPerPixel);
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74
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75 SDL_GetRGB(colour,screen->format,&r,&g,&b); //Always returns 0xFFFFFF?
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76 //r = 0;g = 0; b = 0;
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77 a = (col>>24)&0xFF;
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78 if(a == 0) a = 0xFF; //Hack, to make things easier.
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79 a /= 0xFF;
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80 r = r*(1-a) + ((col>>16)&0xFF)*(a);
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81 g = g*(1-a) + ((col>> 8)&0xFF)*(a);
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82 b = b*(1-a) + ((col>> 0)&0xFF)*(a);
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83 colour = SDL_MapRGB( screen->format,r, g, b);
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84
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85
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86 *pixmem32 = colour;
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87 }
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88
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89 void drawCircle(SDL_Surface* screen,int x,int y,int r,unsigned int c)
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90 {
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91
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92 float a;
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93 int tx;
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94 /*
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95 for(a=0;a<PI/2;a+=1.f/(float)abs(r))
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96 {
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97 if(r > 0) { //r > 0 ==> filled circle
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98 for(tx=x-r*cos(a);tx<x+r*cos(a);tx++) {
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99 setpix(screen,tx,(int)(y+r*sin(a)),c);
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100 setpix(screen,tx,(int)(y-r*sin(a)),c);
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101 }
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102 }
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103 else {
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104 //Draw Outline
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105 setpix(screen,(int)(x+r*cos(a)),(int)(y+r*sin(a)),c);
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106 setpix(screen,(int)(x-r*cos(a)),(int)(y+r*sin(a)),c);
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107 setpix(screen,(int)(x+r*cos(a)),(int)(y-r*sin(a)),c);
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108 setpix(screen,(int)(x-r*cos(a)),(int)(y-r*sin(a)),c);
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109 }
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110 }*/
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111 int ty;
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112 float xr;
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113 for(ty = -abs(r);ty <= abs(r);ty++) {
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114 xr = sqrt(r*r - ty*ty);
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115 if(r > 0) { //r > 0 ==> filled circle
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116 for(tx=-xr+.5;tx<=xr-.5;tx++) {
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117 setpix(screen,x+tx,y+ty,c);
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118 }
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119 }
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120 else {
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121 setpix(screen,x-xr+.5,y+ty,c);
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122 setpix(screen,x+xr-.5,y+ty,c);
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123 }
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124 }
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125 }
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126
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127 void DrawScreen(SDL_Surface* screen, int h)
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128 {
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129 int x, y, xm,ym,c;
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130 if(SDL_MUSTLOCK(screen))
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131 {
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132 if(SDL_LockSurface(screen) < 0) return;
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133 }
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134 for(y = 0; y < screen->h; y++ )
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135 {
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136 for( x = 0; x < screen->w; x++ )
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137 {
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138 //setpixel(screen, x, y, (x*x)/256+3*y+h, (y*y)/256+x+h, h);
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139 //xm = (x+h)%screen->w;
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140 //ym = (y+h)%screen->w;
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141 //c = sin(h/256*2*PI)*x*y/screen->w/screen->h;
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142 //setpix(screen,x,y,255*sin(xm/screen->w*2*PI),sin(h/255*2*PI)*255*y/screen->h,c);
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143 setpix(screen,x,y,((x%255)<<16) + ((y%255)<<8) + (x+y)%255);
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144 //setpix(screen,x,y,0); //Inefficient, but that's okay...
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
145 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
146 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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parents:
diff changeset
147 drawCircle(screen,mousx,mousy,-30,0xFFFFFF);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
148
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
149 int i;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
150 //draw Touch History
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
151 for(i = 0;i < MAXFINGERS;i++) gestureLast[i].id = -1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
152 for(i = SDL_max(0,eventWrite - EVENT_BUF_SIZE);i != eventWrite;i++) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
153 SDL_Event event = events[i&(EVENT_BUF_SIZE-1)];
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154 int age = eventWrite - i - 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
155 if(event.type == SDL_FINGERMOTION ||
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
156 event.type == SDL_FINGERDOWN ||
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
157 event.type == SDL_FINGERUP) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
158 SDL_Touch* inTouch = SDL_GetTouch(event.tfinger.touchId);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
159 //SDL_Finger* inFinger = SDL_GetFinger(inTouch,event.tfinger.fingerId);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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160
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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parents:
diff changeset
161 float x = ((float)event.tfinger.x)/inTouch->xres;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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162 float y = ((float)event.tfinger.y)/inTouch->yres;
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diff changeset
163 int j,empty = -1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
164 for(j = 0;j<MAXFINGERS;j++) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
165 if(gestureLast[j].id == event.tfinger.fingerId) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
166 if(event.type == SDL_FINGERUP) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
167 gestureLast[j].id = -1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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168 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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169 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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170 else {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
171 gestureLast[j].p.x = x;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
172 gestureLast[j].p.y = y;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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173 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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174 //pressure?
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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175 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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176 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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177 else if(gestureLast[j].id == -1 && empty == -1) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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178 empty = j;
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179 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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180 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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181
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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parents:
diff changeset
182 if(j >= MAXFINGERS && empty >= 0) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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183 printf("Finger Down!!!\n");
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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184 j = empty; //important that j is the index of the added finger
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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185 gestureLast[j].id = event.tfinger.fingerId;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
186 gestureLast[j].p.x = x;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
187 gestureLast[j].p.y = y;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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188 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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189
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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190 //draw the touch && each centroid:
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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191
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
192 if(gestureLast[j].id < 0) continue; //Finger up. Or some error...
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
193 int k;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
194 for(k = 0; k < MAXFINGERS;k++) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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195
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
196 if(gestureLast[k].id < 0) continue;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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197 //colors have no alpha, so shouldn't overflow
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
198 unsigned int c = (colors[gestureLast[j].id%7] +
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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199 colors[gestureLast[k].id%7])/2;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
200 unsigned int col =
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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201 ((unsigned int)(c*(.1+.85))) |
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
202 ((unsigned int)((0xFF*(1-((float)age)/EVENT_BUF_SIZE))) & 0xFF)<<24;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
203 x = (gestureLast[j].p.x + gestureLast[k].p.x)/2;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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parents:
diff changeset
204 y = (gestureLast[j].p.y + gestureLast[k].p.y)/2;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
205 if(event.type == SDL_FINGERMOTION)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
206 drawCircle(screen,x*screen->w,y*screen->h,5,col);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
207 else if(event.type == SDL_FINGERDOWN)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
208 drawCircle(screen,x*screen->w,y*screen->h,-10,col);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
209 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
210 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
211 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
212
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
213
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
214 for(i=0;i<MAXFINGERS;i++)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
215 if(finger[i].p.x >= 0 && finger[i].p.y >= 0)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
216 if(finger[i].pressure > 0)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
217 drawCircle(screen,finger[i].p.x*screen->w,finger[i].p.y*screen->h
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
218 ,20,0xFF*finger[i].pressure);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
219 else
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
220 drawCircle(screen,finger[i].p.x*screen->w,finger[i].p.y*screen->h
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
221 ,20,0xFF);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
222
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
223
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
224
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
225
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
226 if(SDL_MUSTLOCK(screen)) SDL_UnlockSurface(screen);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
227
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
228 SDL_Flip(screen);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
229 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
230
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
231 SDL_Surface* initScreen(int width,int height)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
232 {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
233 return SDL_SetVideoMode(width, height, DEPTH,
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
234 SDL_HWSURFACE | SDL_RESIZABLE);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
235 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
236
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
237 int main(int argc, char* argv[])
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
238 {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
239 SDL_Surface *screen;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
240 SDL_Event event;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
241
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
242 int keypress = 0;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
243 int h=0,s=1,i,j;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
244
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
245 memset(keystat,0,512*sizeof(keystat[0]));
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
246 if (SDL_Init(SDL_INIT_VIDEO) < 0 ) return 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
247
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
248 if (!(screen = initScreen(WIDTH,HEIGHT)))
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
249 {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
250 SDL_Quit();
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
251 return 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
252 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
253
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
254 while(!keystat[27]) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
255 //Poll SDL
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
256 while(SDL_PollEvent(&event))
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
257 {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
258 //Record _all_ events
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
259 events[eventWrite & (EVENT_BUF_SIZE-1)] = event;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
260 eventWrite++;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
261
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
262 switch (event.type)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
263 {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
264 case SDL_QUIT:
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
265 keystat[27] = 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
266 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
267 case SDL_KEYDOWN:
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
268 //printf("%i\n",event.key.keysym.sym);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
269 keystat[event.key.keysym.sym] = 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
270 //keypress = 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
271 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
272 case SDL_KEYUP:
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
273 //printf("%i\n",event.key.keysym.sym);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
274 keystat[event.key.keysym.sym] = 0;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
275 //keypress = 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
276 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
277 case SDL_VIDEORESIZE:
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
278 if (!(screen = initScreen(event.resize.w,
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
279 event.resize.h)))
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
280 {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
281 SDL_Quit();
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
282 return 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
283 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
284 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
285 case SDL_MOUSEMOTION:
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
286 mousx = event.motion.x;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
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287 mousy = event.motion.y;
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288 break;
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289 case SDL_MOUSEBUTTONDOWN:
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290 bstatus |= (1<<(event.button.button-1));
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291 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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292 case SDL_MOUSEBUTTONUP:
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293 bstatus &= ~(1<<(event.button.button-1));
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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294 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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295 case SDL_FINGERMOTION:
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Jim Grandpre <jim.tla@gmail.com>
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296 ;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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297 //printf("Finger: %i,x: %i, y: %i\n",event.tfinger.fingerId,
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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298 // event.tfinger.x,event.tfinger.y);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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299 SDL_Touch* inTouch = SDL_GetTouch(event.tfinger.touchId);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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300 SDL_Finger* inFinger = SDL_GetFinger(inTouch,event.tfinger.fingerId);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
301
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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parents:
diff changeset
302 for(i = 0;i<MAXFINGERS;i++)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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303 if(index2fingerid[i] == event.tfinger.fingerId)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
304 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
305 if(i == MAXFINGERS) break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
306 if(inTouch > 0) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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diff changeset
307 finger[i].p.x = ((float)event.tfinger.x)/
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
308 inTouch->xres;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
309 finger[i].p.y = ((float)event.tfinger.y)/
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
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diff changeset
310 inTouch->yres;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
311
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
312 finger[i].pressure =
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
313 ((float)event.tfinger.pressure)/inTouch->pressureres;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
314
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
315 printf("Finger: %i, Pressure: %f Pressureres: %i\n",
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
316 event.tfinger.fingerId,
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
317 finger[i].pressure,
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
318 inTouch->pressureres);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
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parents:
diff changeset
319 //printf("Finger: %i, pressure: %f\n",event.tfinger.fingerId,
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
320 // finger[event.tfinger.fingerId].pressure);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
321 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
322
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
323 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
324 case SDL_FINGERDOWN:
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
325 printf("Finger: %i down - x: %i, y: %i\n",event.tfinger.fingerId,
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
326 event.tfinger.x,event.tfinger.y);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
327
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
328 for(i = 0;i<MAXFINGERS;i++)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
329 if(index2fingerid[i] == -1) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
330 index2fingerid[i] = event.tfinger.fingerId;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
331 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
332 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
333 finger[i].p.x = event.tfinger.x;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
334 finger[i].p.y = event.tfinger.y;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
335 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
336 case SDL_FINGERUP:
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
337 printf("Figner: %i up - x: %i, y: %i\n",event.tfinger.fingerId,
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
338 event.tfinger.x,event.tfinger.y);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
339 for(i = 0;i<MAXFINGERS;i++)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
340 if(index2fingerid[i] == event.tfinger.fingerId) {
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
341 index2fingerid[i] = -1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
342 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
343 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
344 finger[i].p.x = -1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
345 finger[i].p.y = -1;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
346 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
347 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
348 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
349 //And draw
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
350 DrawScreen(screen,h);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
351 /*
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
352 for(i=0;i<512;i++)
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
353 if(keystat[i]) printf("%i\n",i);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
354 printf("Buttons:%i\n",bstatus);
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
355 */
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
356 }
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
357 SDL_Quit();
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
358
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
359 return 0;
86c171888eee Added gesture test c file. Beginning of gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
360 }