/*
 * PVVMUD a 3D MUD
 * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
 *
 * 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.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include "pvvmud.H"
#include <stdlib.h>
#include <tiffio.h>
#include "texture.H"
#include "exception.H"

/******************************************************************************
* load_tiff                                                                   *
* input tiff_file_name File name of tiff file to open                         *
* retun NULL if failed to open tiff.                                          *
* Created 17/11-1997 by Anders Reggestad                                      *
******************************************************************************/
void CTextureMap::loadTIFF(char * tiff_file_name){

  uint32 w, h, ii;
  uint32 * tif_raster;
  TIFF* tif;

  tif = TIFFOpen( tiff_file_name, "r" );

  if (tif == NULL){
    throw new CException("Failed to open tiff file");
  }
  
  TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &w);
  TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);

  m_width = w;
  m_height = h;
  m_data = (unsigned char*)malloc(w*h*sizeof(DWORD));
 

  tif_raster = (uint32*)_TIFFmalloc( w*h*sizeof(uint32) );
  if (tif_raster == NULL){
    throw new CException("Failed to malloc tif_raster");
  }

  if (TIFFReadRGBAImage(tif, w, h, tif_raster, 0)){
    for (ii=0; ii < w*h; ii++)
      ((DWORD*)m_data)[ii] = tif_raster[ii];
  }
  _TIFFfree( tif_raster );

  TIFFClose( tif );

}