/*
 * 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"

/******************************************************************************
* save_tiff                                                                   *
* input tiff_file_name File name of tiff file to create                       *
* retun NULL if failed to open tiff.                                          *
* Created 23/11-1999 by Anders Reggestad                                      *
******************************************************************************/
void CTextureMap::saveTIFF(char * tiff_file_name){

  int width,height,ii;
  uint32 *data,*tif_raster;
  TIFF* tif;

  tif = TIFFOpen( tiff_file_name, "w" );

  if (tif == NULL){
    cdebug << "ERROR: Faild to create tiff file: " << tiff_file_name << endl;
    throw new CException();
  }

  width = getWidth();
  height = getHeight();
  data = (uint32*)getData();

  TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
  TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
  TIFFSetField(tif, TIFFTAG_PLANARCONFIG, 1);
  TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 4);
  TIFFSetField(tif, TIFFTAG_EXTRASAMPLES, 0);
  TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8, 8, 8, 8);
  TIFFSetField(tif, TIFFTAG_COMPRESSION, 1);
  TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, 2);
//  TIFFSetField(tif, TIFFTAG_STRIPOFFSETS, 0);
  TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, height);
//  TIFFSetField(tif, TIFFTAG_STRIPBYTECOUNTS, height*width*4);
  TIFFSetField(tif, TIFFTAG_XRESOLUTION, 1);
  TIFFSetField(tif, TIFFTAG_YRESOLUTION, 1);
  TIFFSetField(tif, TIFFTAG_RESOLUTIONUNIT, 1);

  for (ii = 0; ii < height; ii++){
    TIFFWriteScanline(tif,&data[(height-ii-1)*width], ii, 0);
  }

  TIFFClose( tif );

}