/**
 ** dummypng.c ---- dummy png funtions if not PNG support in the library
 **
 ** Copyright (C) 2001 Mariano Alvarez Fernandez
 ** [e-mail: malfer@teleline.es]
 **
 ** This file is part of the GRX graphics library.
 **
 ** The GRX graphics library is free software; you can redistribute it
 ** and/or modify it under some conditions; see the "copying.grx" file
 ** for details.
 **
 ** 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.
 **
 **/

#include <stdio.h>
#include <stdlib.h>
#include "grx20.h"

/*
** GrPngSupport - Returns false
*/

int GrPngSupport( void )
{
  return 0;
}

/*
** GrSaveContextToPng - Returns error
*/

int GrSaveContextToPng( GrContext *grc, char *pngfn )
{
  return -1;
}

/*
** GrLoadContextFromPng - Returns error
*/

int GrLoadContextFromPng( GrContext *grc, char *pngfn, int use_alpha )
{
  return -1;
}

/*
** GrQueryPnm - Returns error
*/

int GrQueryPng( char *pngfn, int *width, int *height )
{
  return -1;
}