#include #include #include #define WIDTH 800 #define HEIGHT 600 #define DEPTH 8 #define ICON_NAME "SDL_is-teh-pwn" #define TITLE "Axis Test" #define BUFFER 20 #define AXIS 50 #define DOT 15 int main(void){ int x,y; char axis[AXIS]; SDL_Surface *screen; SDL_Rect dot; Uint32 color, dotcolor; dot.w = dot.h = DOT; if (SDL_Init(SDL_INIT_VIDEO)){ fprintf(stderr,"Error: %s\n", SDL_GetError()); exit(1); } screen = SDL_SetVideoMode(WIDTH, HEIGHT, DEPTH, SDL_SWSURFACE | SDL_RESIZABLE); if(!screen){ fprintf(stderr,"Error: %s\n", SDL_GetError()); exit(1); } SDL_WM_SetCaption(TITLE, NULL); color = SDL_MapRGB(screen->format, 51, 74, 157); /* Maps screen format to blu-ish something... */ dotcolor = SDL_MapRGB(screen->format , 0, 0, 0); /* Maps format to black */ while(1){ SDL_PumpEvents(); SDL_GetMouseState(&x,&y); snprintf(axis, BUFFER, "%s %dx%d", TITLE, x, y); SDL_WM_SetCaption(axis, ICON_NAME); (x + DOT > WIDTH)?(dot.x = (WIDTH - DOT)):(dot.x = x); (y + DOT > HEIGHT)?(dot.y = HEIGHT - DOT):(dot.y = y); SDL_FillRect(screen,NULL,color); SDL_FillRect(screen, &dot, dotcolor); SDL_Flip(screen); if(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(1) || SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(3)){ printf("A mouse button was used, exiting!\n"); break; } /* Just isn't as fast as the above, though you can resize... SDL_PollEvent(&event); switch (event.type) { case SDL_MOUSEBUTTONDOWN: printf("A mouse button press was detected. Quitting!\n"); SDL_Quit(); exit(0); case SDL_VIDEORESIZE: screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 8, SDL_SWSURFACE | SDL_RESIZABLE); SDL_Flip(screen); continue; case SDL_MOUSEMOTION: snprintf(axis ,BUFFER,"%s %dx%d", TITLE, event.motion.x, event.motion.y); SDL_WM_SetCaption(axis , ICON_NAME ); SDL_Flip(screen); continue; default: continue; }*/ } SDL_FreeSurface(screen); SDL_Quit(); return (0); }