/* RCSid $Id: pmapio.h,v 2.7 2018/12/07 20:07:41 rschregle Exp $ */

/* 
   ======================================================================
   Photon map portable file I/O

   Roland Schregle (roland.schregle@{hslu.ch, gmail.com})
   (c) Fraunhofer Institute for Solar Energy Systems,
       supported by the German Research Foundation 
       (DFG LU-204/10-2, "Fassadenintegrierte Regelsysteme FARESYS") 
   (c) Lucerne University of Applied Sciences and Arts,
       supported by the Swiss National Science Foundation 
       (SNSF #147053, "Daylight Redirecting Components",
        SNSF #179067, "Light Fields for Spatio-Temporal Glare Assessment")
   ======================================================================
   
   $Id: pmapio.h,v 2.7 2018/12/07 20:07:41 rschregle Exp $
*/


#ifndef PMAPIO_H
   #define PMAPIO_H
   
   #include "pmapdata.h"


   /* File format version with feature suffix */
   #define PMAP_FILEVER_MAJ   "4.0"
   
#ifdef PMAP_OOC
   #define PMAP_FILEVER_TYP   "o"
#else
   #define PMAP_FILEVER_TYP   "k"
#endif

#ifdef PMAP_FLOAT_FLUX
   #define PMAP_FILEVER_FLX   "f"
#else
   #define PMAP_FILEVER_FLX   ""
#endif
   
   #define PMAP_FILEVER (PMAP_FILEVER_MAJ PMAP_FILEVER_TYP PMAP_FILEVER_FLX)
   
   /* Maximum portable size of a long int in photon map file */
   #define PMAP_LONGSIZE      8                               
   
   
   void savePhotonMap (
      const PhotonMap *pmap, const char *fname, int argc, char **argv
   );
   /* Save portable photon map of specified type to filename,
      along with the corresponding command line. */

   PhotonMapType loadPhotonMap (PhotonMap *pmap, const char* fname);
   /* Load portable photon map from specified filename, and return photon
    * map type as identified from file header. */

#endif