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| #ifdef __cplusplus
#error Should normaly use a C compiler
#endif
#ifdef __APPLE__
#include <SDL/SDL.h>
#else
#include <SDL.h>
#endif
#include <stdlib.h>
#include <stdbool.h>
int main ( int argc, char** argv )
{
SDL_Event event;
SDL_Surface* screen;
SDL_Surface* bmp;
SDL_Rect dstrect;
bool done = false;
/* initialize SDL video */
if ( SDL_Init( SDL_INIT_VIDEO ) < 0 )
{
printf( "Unable to init SDL: %s\n", SDL_GetError() );
return 1;
}
/* make sure SDL cleans up before exit */
atexit(SDL_Quit);
/* create a new window */
screen = SDL_SetVideoMode(640, 480, 16, SDL_HWSURFACE|SDL_DOUBLEBUF);
if ( !screen )
{
printf("Unable to set 640x480 video: %s\n", SDL_GetError());
return 1;
}
/* load an image */
bmp = SDL_LoadBMP("cb.bmp");
if (!bmp)
{
printf("Unable to load bitmap: %s\n", SDL_GetError());
return 1;
}
/* centre the bitmap on screen */
dstrect.x = (screen->w - bmp->w) / 2;
dstrect.y = (screen->h - bmp->h) / 2;
/* program main loop */
while (!done)
{
/* message processing loop */
while (SDL_PollEvent(&event))
{
/* check for messages */
switch (event.type)
{
/* exit if the window is closed */
case SDL_QUIT:
done = true;
break;
/* check for keypresses */
case SDL_KEYDOWN:
{
/* exit if ESCAPE is pressed */
if (event.key.keysym.sym == SDLK_ESCAPE)
done = true;
break;
}
} /* end switch */
} /* end of message processing */
/* DRAWING STARTS HERE */
/* clear screen */
SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
/* draw bitmap */
SDL_BlitSurface(bmp, 0, screen, &dstrect);
/* DRAWING ENDS HERE */
/* finally, update the screen :) */
SDL_Flip(screen);
} /* end main loop */
/* free loaded bitmap */
SDL_FreeSurface(bmp);
/* all is well ;) */
printf("Exited cleanly\n");
return 0;
} |
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