#include <stdio.h>
#include <stdlib.h>

#include <SDL/SDL.h>

SDL_Surface *screen;
SDL_Surface *back;
SDL_Surface *image;

int xpos=100,ypos=300;

void init(SDL_Surface *screen)
{
    SDL_Init(SDL_INIT_AUDIO|SDL_INIT_VIDEO);
    screen = SDL_SetVideoMode(800,600,32,SDL_HWSURFACE|SDL_DOUBLEBUF);
    back = SDL_LoadBMP("bg.bmp");
    image = SDL_LoadBMP("img.bmp");
    atexit(SDL_Quit);
}

void drawimg(SDL_Surface *screen, int x, int y, SDL_Surface *blitto)
{
    Uint8* keys;
    keys = SDL_GetKeyState(NULL);
    if ( keys[SDLK_UP] ) { y -= 1; }
    if ( keys[SDLK_DOWN] ) { y += 1; }
    if ( keys[SDLK_LEFT] ) { x -= 1; }
    if ( keys[SDLK_RIGHT] ) { x += 1; }


    
  SDL_Rect dest;
  dest.x = x;
  dest.y = y;
  SDL_BlitSurface(screen, NULL, blitto, &dest);
}


int drawIMG(SDL_Surface *img, int x, int y, int x2, int y2, int w, int h)
{
    SDL_Rect dest;
    dest.x=x;
    dest.y=y;
    SDL_Rect dest2;
    dest2.x=x2;
    dest2.y=y2;
    dest.w=w;
    dest2.h=h;
    SDL_BlitSurface(img,&dest,screen,&dest2);
}    

int drawit()
{ 
    drawimg(image,0,0,screen);
    drawIMG(back,xpos,ypos,xpos-2,ypos-2,132,132);
    SDL_Flip(screen);
}

int main(int argc, char *argv[])
{
    Uint8 *keys;
  init(screen);
  int done=0;
  while(done ==0)
  {
    SDL_Event event;

    while ( SDL_PollEvent(&event) )
    {
      if ( event.type == SDL_QUIT )  {  done = 1;  }

      if ( event.type == SDL_KEYDOWN )
      {
        if ( event.key.keysym.sym == SDLK_ESCAPE ) { done = 1; }
      }
    }
    
        keys = SDL_GetKeyState(NULL);
    if ( keys[SDLK_UP] ) { ypos -= 1; }
    if ( keys[SDLK_DOWN] ) { ypos += 1; }
    if ( keys[SDLK_LEFT] ) { xpos -= 1; }
    if ( keys[SDLK_RIGHT] ) { xpos += 1; }
    done = 0;
    drawit();
  }
  return 0;
}