#include <SDL/SDL.h>

#include <stdio.h>

#include <stdlib.h>

#define IMAGE "ball.bmp"

int main() {

SDL_Surface* screen, *image;

SDL_Rect dest,src;

SDL_Event event;

SDL_Init(SDL_INIT_EVERYTHING);

atexit(SDL_Quit);

screen = SDL_SetVideoMode(640,480,0,0);

image = SDL_LoadBMP( IMAGE );

SDL_SetColorKey(image,SDL_SRCCOLORKEY,SDL_MapRGB(screen->format,255,255,255));

src.x=32;

src.y=32;

src.w = 640 - 64;

src.h = 480 - 64;

SDL_SetClipRect(screen,&src);

for (;;) {

if (SDL_PollEvent(&event)==0) {

dest.w = image->w;

dest.h = image->h;

dest.x = rand() % (640 - image->w);

dest.y = rand() % (480 - image->h);

SDL_BlitSurface(image,NULL,screen,&dest);

SDL_UpdateRect(screen,0,0,0,0);

} else if (event.type==SDL_QUIT)

break;

}

return 0;

}