/*    SDL_image:  An example image loading library for use with SDL    Copyright (C) 1997-2006 Sam Lantinga    This library is free software; you can redistribute it and/or    modify it under the terms of the GNU Lesser General Public    License as published by the Free Software Foundation; either    version 2.1 of the License, or (at your option) any later version.    This library is distributed in the hope that it will be useful,    but WITHOUT ANY WARRANTY; without even the implied warranty of    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU    Lesser General Public License for more details.    You should have received a copy of the GNU Lesser General Public    License along with this library; if not, write to the Free Software    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA    Sam Lantinga    slouken@libsdl.org*//* This is a generic "format not supported" image framework */#include <stdio.h>#include "SDL_image.h"#ifdef LOAD_XXX/* See if an image is contained in a data source */int IMG_isXXX(SDL_RWops *src){	int start;	int is_XXX;	if ( !src )		return 0;	start = SDL_RWtell(src);	is_XXX = 0;	/* Detect the image here */	SDL_RWseek(src, start, SEEK_SET);	return(is_XXX);}/* Load a XXX type image from an SDL datasource */SDL_Surface *IMG_LoadXXX_RW(SDL_RWops *src){	int start;	const char *error = NULL;	SDL_Surface *surface = NULL;	if ( !src ) {		/* The error message has been set in SDL_RWFromFile */		return NULL;	}	start = SDL_RWtell(src);	/* Load the image here */	if ( error ) {		SDL_RWseek(src, start, SEEK_SET);		if ( surface ) {			SDL_FreeSurface(surface);			surface = NULL;		}		IMG_SetError(error);	}	return surface;}#else/* See if an image is contained in a data source */int IMG_isXXX(SDL_RWops *src){	return(0);}/* Load a XXX type image from an SDL datasource */SDL_Surface *IMG_LoadXXX_RW(SDL_RWops *src){	return(NULL);}#endif /* LOAD_XXX */