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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: b3dcommn.hxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005-09-09 02:24:44 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _B3D_B3DCOMMN_HXX
#define _B3D_B3DCOMMN_HXX
#ifndef _B3D_BASE3D_HXX
#include "base3d.hxx"
#endif
#ifndef _B3D_B3DGEOM_HXX
#include "b3dgeom.hxx"
#endif
// Defines fuer clipping flags (nFlag0,1)
#define CLIPFLAG_LEFT 0x0001
#define CLIPFLAG_RIGHT 0x0002
#define CLIPFLAG_BOTTOM 0x0004
#define CLIPFLAG_TOP 0x0008
#define CLIPFLAG_FRONT 0x0010
#define CLIPFLAG_BACK 0x0020
#define CLIPFLAG_ALL (CLIPFLAG_LEFT|CLIPFLAG_RIGHT| \
CLIPFLAG_BOTTOM|CLIPFLAG_TOP| \
CLIPFLAG_FRONT|CLIPFLAG_BACK)
/*************************************************************************
|*
|* Bucket fuer Indices
|*
\************************************************************************/
BASE3D_DECL_BUCKET(UINT32, Bucket)
/*************************************************************************
|*
|* Die Basisklasse fuer Standard 3D Ausgaben auf StarView Basis
|*
\************************************************************************/
#define BUFFER_OVERHEAD (20)
class Base3DCommon : public Base3D
{
protected:
// Buffers fuer temporaere geometrische Daten
B3dEntityBucket aBuffers;
// Remember if last primitive was rejected
BOOL bLastPrimitiveRejected : 1;
// #93184# flag for polygon normal direction
BOOL bNormalPointsAway : 1;
public:
Base3DCommon(OutputDevice* pOutDev);
virtual ~Base3DCommon();
// Beleuchtung setzen/lesen
virtual void SetLightGroup(B3dLightGroup* pSet, BOOL bSetGlobal=TRUE);
// Info if last primitive was rejected
BOOL WasLastPrimitiveRejected()
{ return bLastPrimitiveRejected; }
// Szenenverwaltung
virtual void StartScene();
virtual void EndScene();
protected:
// Geometrische Daten uebergeben
virtual B3dEntity& ImplGetFreeEntity();
virtual void ImplStartPrimitive();
virtual void ImplEndPrimitive();
virtual void ImplPostAddVertex(B3dEntity& rEnt);
void Create3DPoint(UINT32 nInd);
void Create3DPointClipped(UINT32 nInd);
void Create3DLine(UINT32 nInd1, UINT32 nInd2);
void Create3DLineClipped(UINT32 nInd1, UINT32 nInd2);
void Create3DTriangle(UINT32 nInd1, UINT32 nInd2, UINT32 nInd3);
virtual void Clipped3DPoint(UINT32 nInd) = 0;
virtual void Clipped3DLine(UINT32 nInd1,UINT32 nInd2) = 0;
virtual void Clipped3DTriangle(UINT32 nInd1,UINT32 nInd2, UINT32 nInd3) = 0;
// clipping functions
BOOL AreEqual(UINT32 nInd1, UINT32 nInd2);
BOOL Clip3DPoint(UINT32 nInd);
BOOL Clip3DLine(UINT32& nInd1,UINT32& nInd2);
BOOL Clip3DPolygon(UINT32Bucket& rEdgeIndex);
UINT16 GetClipFlags(UINT32 nInd);
BOOL IsInside(UINT32 nInd, UINT32 nDim, BOOL bLow);
void ClipPoly(UINT32Bucket& rEdgeIndex, UINT16 nDim,BOOL bLow);
void CalcNewPoint(UINT32 nNew,UINT32 nHigh,UINT32 nLow,
UINT16 nDim, double fBound);
// Beleuchtungsmodell (ColorModel) in einem Punkt loesen
// Punkt MUSS in ClipCoordinates vorliegen !
void SolveColorModel(B3dColor&, Vector3D&, const Vector3D&);
B3dColor SolveColorModel(B3dMaterial& rMat, Vector3D& rVec,
const Vector3D& rPnt);
// Beleuchtungsmodell (ColorModel) fuer eine Lichtquelle loesen
B3dColor SolveColorModel(B3dLight& rLight, B3dMaterial& rMat,
Vector3D& rVec, const Vector3D& rPnt);
};
#endif // _B3D_B3DCOMMN_HXX
|
