Play.c

// TCap v0.1
// (C) Thomas Hargrove
// http://toonarchive.com/tcap

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <errno.h>

#include "SDL/SDL.h"

//#define   WIDTH 960
//#define   HEIGHT 720
#define     p(x) printf("%s",x);
static char     *map;

SDL_Surface *screen;
SDL_Surface *offscreen;
SDL_Event event;

/* Copies map to screen, then updates the screen */
void copytoscreen(char* tmap) {
    offscreen = SDL_CreateRGBSurfaceFrom((void *) tmap, WIDTH, HEIGHT, 24, WIDTH*3, 0xFF0000, 0x00FF00, 0x0000FF, 0x000000);
    SDL_BlitSurface(offscreen, NULL, screen, NULL);
    SDL_UpdateRect(screen, 0, 0, 0, 0);
    SDL_FreeSurface(offscreen);
}


int main(int argc, char *argv[])
{
   int done = 0;
   FILE *video;
   if (argv[1] == NULL) { argv[1] = "output"; }
   if ((video=fopen(argv[1],"r")) == NULL)  printf("File did not open"); exit;

   // --------------------------------------------------------------------------
   // Set up out video output
   // --------------------------------------------------------------------------

   SDL_Init(SDL_INIT_VIDEO);
   screen = SDL_SetVideoMode(WIDTH, HEIGHT, 16, SDL_SWSURFACE);
   if ( screen == NULL ) {
    printf(stderr, "Couldn't set 640x480x8 video mode: %s\n",
    SDL_GetError());
    exit(1);
   }
   SDL_WM_SetCaption("", NULL);

   map=malloc(WIDTH*HEIGHT*3);

   while ( ! done ) {
    while (SDL_PollEvent(&event))
    {
       switch(event.type)
       {
          case SDL_KEYDOWN: done =1; break;
          case SDL_QUIT: done = 1; break;
       }
    }
    // read each frame from file
    if ( ! feof(video) )
    {
    fread(map, WIDTH*HEIGHT*3, 1, video);
    copytoscreen(map);
    }else{
        done=1;
    }
   }

   // Return screen to text mode.

   fclose(video);
   SDL_Quit();

   return EXIT_SUCCESS;
}