/*
* This file is part of rasdaman community.
*
* Rasdaman community 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 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/

/**
 *  PURPOSE:
 *
 *  rView data exchange interface for storing MDD to the filing system
 *  or loading from it. Currently supported operations are:
 *  	- Load TIFF file.
 *  	- Save wxPixmap as TIFF to file.
 *
 *	COMMENTS:
 * 			None
 */



#ifndef _RVIEW_IO_H_
#define _RVIEW_IO_H_


#ifdef __GNUG__
#pragma interface
#endif



#include "rasodmg/ref.hh"
#include "rasodmg/marray.hh"
#include "rasodmg/gmarray.hh"

#include "rviewUtils.hh"



// Return status
enum rviewIoStates {
  RVIEW_IO_OK,
  RVIEW_IO_NOTFOUND,
  RVIEW_IO_MEMORY,
  RVIEW_IO_UNSUPP,
  RVIEW_IO_FORMAT
};


// pixmap conversion functions
class wxPixmap;

// parameter parser
class r_Parse_Params;


class rviewIO
{
  public:

  rviewIO(void);
  ~rviewIO(void);

  static void terminate(void);

  static int isTIFF(const char *filename);
  static int loadTIFF(const char *filename, r_Ref<r_GMarray> &mddPtr, const char *params=NULL);
  static int saveTIFF(const char *filename, r_Ref<r_GMarray> &mddPtr, const char *params=NULL);
  static int PixmapToTIFF(wxPixmap *pixmap, const char *filename, const char *params=NULL);
  static int isVFF(const char *filename);
  static int loadVFF(const char *filename, r_Ref<r_GMarray> &mddPtr, const char *params=NULL);
  static int saveVFF(const char *filename, r_Ref<r_GMarray> &mddPtr, const char *params=NULL);


  private:

  static void ensureParams(void);
  static void processParams(const char *params);

  static r_Parse_Params *dfltParams;
  static char *tiffCompStr;
  static int tiffCompression;

  static const char *getExtension(const char *filename);

  // tiff compression keywords
  static const char param_KeyTiffComp[];
  static const char param_TiffCompNone[];
  static const char param_TiffCompPack[];
  static const char param_TiffCompLZW[];
  static const char param_TiffCompZLib[];
  static const char param_TiffCompJPEG[];

  // TIFF formats
  static const char structure_format_mono[];
  static const char structure_format_grey[];
  static const char structure_format_rgb[];

  // VFF formats
  static const char structure_format_cube8[];
  static const char structure_format_cube16[];
  static const char structure_format_cube32[];
};

#endif