Mercurial > sdl-ios-xcode
diff touchTest/touchTest.c @ 4642:057e8762d2a1
Added reading of event* for touch events.
author | Jim Grandpre <jim.tla@gmail.com> |
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date | Fri, 28 May 2010 01:26:52 -0400 |
parents | |
children | 8806b78988f7 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/touchTest/touchTest.c Fri May 28 01:26:52 2010 -0400 @@ -0,0 +1,168 @@ +#include <stdio.h> +#include <SDL.h> +#include <math.h> +#include "../src/events/SDL_touch_c.h" //BAD!!! + +#define PI 3.1415926535897 +#define WIDTH 640 +#define HEIGHT 480 +#define BPP 4 +#define DEPTH 32 + +int mousx,mousy; +int keystat[512]; +int bstatus; + + + + +typedef struct { + int x,y; +} Point; + +void handler (int sig) +{ + printf ("\nexiting...(%d)\n", sig); + exit (0); +} + +void perror_exit (char *error) +{ + perror (error); + handler (9); +} + + +void setpix(SDL_Surface *screen, int x, int y, int col) +{ + Uint32 *pixmem32; + Uint32 colour; + + if((unsigned)x > screen->w) return; + if((unsigned)y > screen->h) return; + + colour = SDL_MapRGB( screen->format, (col>>16)&0xFF, (col>>8)&0xFF, col&0xFF); + + pixmem32 = (Uint32*) screen->pixels + y*screen->pitch/BPP + x; + *pixmem32 = colour; +} + +void drawCircle(SDL_Surface* screen,int x,int y,int r,int c) +{ + + float a; + for(a=0;a<2*PI;a+=1.f/(float)r) + { + setpix(screen,(int)(x+r*cos(a)),(int)(y+r*sin(a)),c); + } +} + +void DrawScreen(SDL_Surface* screen, int h) +{ + int x, y, xm,ym,c; + if(SDL_MUSTLOCK(screen)) + { + if(SDL_LockSurface(screen) < 0) return; + } + for(y = 0; y < screen->h; y++ ) + { + for( x = 0; x < screen->w; x++ ) + { + //setpixel(screen, x, y, (x*x)/256+3*y+h, (y*y)/256+x+h, h); + //xm = (x+h)%screen->w; + //ym = (y+h)%screen->w; + //c = sin(h/256*2*PI)*x*y/screen->w/screen->h; + //setpix(screen,x,y,255*sin(xm/screen->w*2*PI),sin(h/255*2*PI)*255*y/screen->h,c); + setpix(screen,x,y,((x%255)<<16) + ((y%255)<<8) + (x+y)%255); + } + } + drawCircle(screen,mousx,mousy,30,0xFFFFFF); + + + if(SDL_MUSTLOCK(screen)) SDL_UnlockSurface(screen); + + SDL_Flip(screen); +} + +SDL_Surface* initScreen(int width,int height) +{ + return SDL_SetVideoMode(width, height, DEPTH, + SDL_HWSURFACE | SDL_RESIZABLE); +} + +int main(int argc, char* argv[]) +{ + SDL_Surface *screen; + SDL_Event event; + + int keypress = 0; + int h=0,s=1,i,j; + + memset(keystat,0,512*sizeof(keystat[0])); + if (SDL_Init(SDL_INIT_VIDEO) < 0 ) return 1; + + if (!(screen = initScreen(WIDTH,HEIGHT))) + { + SDL_Quit(); + return 1; + } + + while(!keystat[27]) { + //Poll SDL + while(SDL_PollEvent(&event)) + { + switch (event.type) + { + case SDL_QUIT: + keystat[27] = 1; + break; + case SDL_KEYDOWN: + //printf("%i\n",event.key.keysym.sym); + keystat[event.key.keysym.sym] = 1; + //keypress = 1; + break; + case SDL_KEYUP: + //printf("%i\n",event.key.keysym.sym); + keystat[event.key.keysym.sym] = 0; + //keypress = 1; + break; + case SDL_VIDEORESIZE: + if (!(screen = initScreen(event.resize.w, + event.resize.h))) + { + SDL_Quit(); + return 1; + } + break; + case SDL_MOUSEMOTION: + mousx = event.motion.x; + mousy = event.motion.y; + break; + case SDL_MOUSEBUTTONDOWN: + bstatus |= (1<<(event.button.button-1)); + break; + case SDL_MOUSEBUTTONUP: + bstatus &= ~(1<<(event.button.button-1)); + break; + case SDL_FINGERMOTION: + i = 1; + + + printf("Finger: %i,x: %i, y: %i\n",event.tfinger.fingerId, + event.tfinger.x,event.tfinger.y); + + break; + } + } + //And draw + DrawScreen(screen,h); + /* + for(i=0;i<512;i++) + if(keystat[i]) printf("%i\n",i); + printf("Buttons:%i\n",bstatus); + */ + } + SDL_Quit(); + + return 0; +}