/****************************************************************************
 *                  point.h
 *
 * This module contains all defines, typedefs, and prototypes for POINT.CPP.
 *
 * from Persistence of Vision(tm) Ray Tracer version 3.6.
 * Copyright 1991-2003 Persistence of Vision Team
 * Copyright 2003-2009 Persistence of Vision Raytracer Pty. Ltd.
 *---------------------------------------------------------------------------
 * NOTICE: This source code file is provided so that users may experiment
 * with enhancements to POV-Ray and to port the software to platforms other
 * than those supported by the POV-Ray developers. There are strict rules
 * regarding how you are permitted to use this file. These rules are contained
 * in the distribution and derivative versions licenses which should have been
 * provided with this file.
 *
 * These licences may be found online, linked from the end-user license
 * agreement that is located at http://www.povray.org/povlegal.html
 *---------------------------------------------------------------------------
 * This program is based on the popular DKB raytracer version 2.12.
 * DKBTrace was originally written by David K. Buck.
 * DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
 *---------------------------------------------------------------------------
 * $File: //depot/povray/3.5/source/point.h $
 * $Revision: #14 $
 * $Change: 4808 $
 * $DateTime: 2009/06/03 08:16:08 $
 * $Author: calimet $
 * $Log$
 *****************************************************************************/


#ifndef POINT_H
#define POINT_H

#include "vlbuffer.h"

BEGIN_POV_NAMESPACE


/*****************************************************************************
* Global preprocessor defines
******************************************************************************/

#define LIGHT_OBJECT (IS_COMPOUND_OBJECT+PATCH_OBJECT+LIGHT_SOURCE_OBJECT)



/* Light source types. */

#define POINT_SOURCE       1
#define SPOT_SOURCE        2
#define FILL_LIGHT_SOURCE  3
#define CYLINDER_SOURCE    4



/*****************************************************************************
* Global typedefs
******************************************************************************/

// moved to frame.h [trf]


/*****************************************************************************
* Global variables
******************************************************************************/




/*****************************************************************************
* Global functions
******************************************************************************/

LIGHT_SOURCE *Create_Light_Source (void);
DBL Attenuate_Light (LIGHT_SOURCE *Light_Source, RAY *Light_Source_Ray, DBL Distance);
COLOUR **Create_Light_Grid (int Size1, int Size2);
extern METHODS Light_Source_Methods ;

END_POV_NAMESPACE

#endif
