/*ISI_Ext.h*/
 
#ifndef __ISI_EXT
#define __ISI_EXT
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
/* For DLL using these function :*/
#undef CPA_EXPORT
#if defined(CPA_WANTS_IMPORT)
 #define CPA_EXPORT __declspec(dllimport)
#elif defined(CPA_WANTS_EXPORT)
 #define CPA_EXPORT __declspec(dllexport)
#else
 #define CPA_EXPORT
#endif
 
#include "GLI\GLI_Defn.h"/*pour ISI_tdstColor*/
#include "IPO\IPOHandl.h"/*pour IPO_tdxHandleToInstanciatedPhysicalObject*/
 
/*Prototypes*/
 
/* ##-########################### 
   ## Creating / Deleting
   ############################## */
 
/* ##F===================================================================================
NAME :          ISI_vInitLoad
DESCRIPTION :   Function to initialise the script loading
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT void ISI_vInitLoad(void);
 
/* ##F===================================================================================
NAME :          ISI_fn_hCreateISILOD
DESCRIPTION :   Create an ISI level of detail.
INPUT : _hISI       = Handle to ISI.
        _xNumISILOD = Level of detail number.
        _xNbRLI     = Number of RLI.
OUTPUT : Return table of RLI.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT ISI_tdstColor *ISI_fn_hCreateISILOD(ACP_tdxHandleToRadiosity _hISI
       ,ACP_tdxIndex _xNumISILOD,ACP_tdxIndex _xNbRLI);
 
/* ##F===================================================================================
NAME :          ISI_fn_hCreateISI
DESCRIPTION :   Create ISI structure.
INPUT : _xNbISILOD  = Number of level of detail.
OUTPUT : handle to ISI.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT ACP_tdxHandleToRadiosity ISI_fn_hCreateISI(ACP_tdxIndex _xNbISILOD);
 
/* ##F===================================================================================
NAME :          ISI_fn_vFreeISI
DESCRIPTION :   Free an ISI structure.
INPUT : _hISI  = handle to ISI.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT void ISI_fn_vFreeISI(ACP_tdxHandleToRadiosity _hISI);
 
 
/* ##-########################### 
   ## Accessors
   ############################## */
 
/* ##F===================================================================================
NAME :          ISI_ColISIToGEO
DESCRIPTION :   Convert a ISI_tdstColor in GEO_tdstColor.
INPUT : GEOCol  = table of GEO color.
        ISICol  = table of ISI color.
        ulNbr   = number of color.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT void ISI_ColISIToGEO(GEO_tdstColor *GEOCol ,ISI_tdstColor *ISICol,unsigned long ulNbr);
 
/* ##F===================================================================================
NAME :          ISI_ColGEOToISI
DESCRIPTION :   Convert a GEO_tdstColor in ISI_tdstColor.
INPUT : ISICol  = table of ISI color.
        GEOCol  = table of GEO color.
        ulNbr   = number of color.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT void ISI_ColGEOToISI(ISI_tdstColor *ISICol , GEO_tdstColor *GEOCol,unsigned long ulNbr);
 
/* ##F===================================================================================
NAME :          ISI_fn_xGetNbLOD
DESCRIPTION :   Return the number of LOD.
INPUT : _hISI  = handle to ISI.
OUTPUT : Number of LOD.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT ACP_tdxIndex ISI_fn_xGetNbLOD(ACP_tdxHandleToRadiosity _hISI);
 
/* ##F===================================================================================
NAME :          ISI_fn_xGetNbVertexRLILOD
DESCRIPTION :   Return the number of RLI for one LOD.
INPUT : _hISI       = handle to ISI.
        _xNumISILOD = LOD number.
OUTPUT : Number of RLI in the LOD.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT ACP_tdxIndex ISI_fn_xGetNbVertexRLILOD(ACP_tdxHandleToRadiosity _hISI,ACP_tdxIndex _xNumISILOD);
 
/* ##F===================================================================================
NAME :          ISI_fn_dGetVertexRLILOD
DESCRIPTION :   Return the table of RLI for one LOD.
INPUT : _hISI       = handle to ISI.
        _xNumISILOD = LOD number.
OUTPUT : Table of RLI.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT ISI_tdstColor *ISI_fn_dGetVertexRLILOD(ACP_tdxHandleToRadiosity _hISI,ACP_tdxIndex _xNumISILOD);
 
/* ##F===================================================================================
NAME :          ISI_fn_xGetNbVertexRLI
DESCRIPTION :   Return the number of RLI for the first LOD.
INPUT : _hISI       = handle to ISI.
OUTPUT : Number of RLI for the first LOD.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT ACP_tdxIndex ISI_fn_xGetNbVertexRLI(ACP_tdxHandleToRadiosity _hISI);
 
/* ##F===================================================================================
NAME :          ISI_fn_dGetVertexRLI
DESCRIPTION :   Return the table of RLI for the first LOD.
INPUT : _hISI       = handle to ISI.
OUTPUT : Table of RLI for the first LOD.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT ISI_tdstColor *ISI_fn_dGetVertexRLI(ACP_tdxHandleToRadiosity _hISI);
 
/* ##F===================================================================================
NAME :          ISI_fn_vSetVertexRLILOD
DESCRIPTION :   Change RLI of one vertex for one LOD.
INPUT : _hISI       = handle to ISI.
        _p_stColor  = adress of ISI color for setting.
        _xNumISILOD = LOD number in the ISI.
        _xIndex     = RLI number in the LOD.
OUTPUT : Table of RLI for the first LOD.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT void ISI_fn_vSetVertexRLILOD(ACP_tdxHandleToRadiosity _hISI, ISI_tdstColor *_p_stColor,
                             ACP_tdxIndex _xNumISILOD, ACP_tdxIndex _xIndex);
 
/* ##F===================================================================================
NAME :          ISI_fn_vAmbientLight
DESCRIPTION :   Add ambient light to all RLI, create RLI if they not exist.
INPUT : _hSuperObject = hierarchie for lighting.
        _xDR          = red intensity.
        _xDG          = green intensity.
        _xDB          = blue intensity.
=========================================================================================
LAST MODIFICATIONS : 20/11/97 David Fournier : New commentary form.
=======================================================================================*/
extern CPA_EXPORT void ISI_fn_vAmbientLight(HIE_tdxHandleToSuperObject _hSuperObject,
                          MTH_tdxReal _xDR,
                          MTH_tdxReal _xDG,
                          MTH_tdxReal _xDB);
 
/* ##-########################### 
   ## Saving / Loading
   ############################## */
 
/*ANNECY JMD 17/02/98{*/
/* ##F===================================================================================
NAME :          ISI_hComputeBlendRLI
DESCRIPTION :   compute a blend between two ISI.
INPUT : hRLI1      = first ISI
				hRLI2      = second ISI
				xNumISILOD = which LOD is affectted
				xPercent   = percentage of the second ISI, (i.e. there is 1-xpercent of the first ISI)
=========================================================================================
LAST MODIFICATIONS : 17/02/98 Jean-Marc Drouaud
=======================================================================================*/
extern CPA_EXPORT ACP_tdxHandleToRadiosity ISI_hComputeBlendRLI ( ACP_tdxHandleToRadiosity hRLI1, ACP_tdxHandleToRadiosity hRLI2,ACP_tdxIndex xNumISILOD, MTH_tdxReal xPercent ) ;
/*END ANNECY JMD }*/
 
/*End Proto*/
#ifdef __cplusplus
};
#endif /* __cplusplus */
 
#endif	/*__ISI_EXT*/