AECHLR.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef __AECHLR_H__
#define __AECHLR_H__
 
#include "Geometry/AECMesh.h"
#include "FMContour3D.h"
#include "Modeler/FMMdlBody.h"
#include <Ge/GeLineSeg3d.h>
 
namespace AECGe
{
 
struct AECGEOMETRY_API HLRSegment
{
    OdGeLineSeg3d lSeg;
    OdUInt32 iMetadata;
};
 
struct AECGEOMETRY_API HLRResult
{
    std::vector<HLRSegment> rVisResult;
    std::vector<HLRSegment> rHidResult;
};
 
class AECGEOMETRY_API HLRStorage
{
    public:
        HLRStorage( const OdGePlane& pViewPlane );
 
        HLRStorage( const OdGeVector3d& vViewDirection );
 
    public:
        const OdGePlane& GetViewPlane() const;
 
        void SetViewPlane( const OdGePlane& pPlane );
 
        void SetViewPlane( const OdGeVector3d& vViewDirection );
 
        bool IsCalculateCrossLines() const;
 
        void SetIsCalculateCrossLines( bool bCalculate );
 
        bool IsClipWithPlane() const;
 
        void SetIsClipWithPlane( bool bClip );
 
        bool IsSortByMetadata() const;
 
        void SetIsSortByMetadata( bool bSort );
 
        bool IsDrawSilhouettes() const;
 
        void SetIsDrawSilhouettes( bool bDraw );
 
        bool IsClipBySegments() const;
 
        void SetIsClipBySegments( bool bClip );
 
        bool IsCalcVis() const;
 
        void SetIsCalcVis( bool bCalculate );
 
        bool IsCalcHid() const;
 
        void SetIsCalcHid( bool bCalculate );
 
        const OdGeTol& GetTolerance() const;
 
        void SetTolerance( const OdGeTol& rTol );
 
    public:
        void ReserveForLinework( OdUInt32 iSize );
 
        void ReserveForFaces( OdUInt32 iSize );
 
        void AddSegment( const OdGeLineSeg3d& rSegment,
            OdUInt32 iMetadata = 0 );
 
        void AddSegments(const FacetModeler::Body& rSource,
            OdUInt32 iMetadata = 0 );
 
        void AddFace( const OdGePoint3dArray& rFace );
 
        void AddFaces(const FacetModeler::Body& rSource);
 
        OdUInt32 GetSegmentCount() const;
 
        const OdGeLineSeg3d& GetSegment( OdUInt32 iIndex ) const;
 
        OdUInt32 GetSegmentMetadata( OdUInt32 iIndex ) const;
 
        OdUInt32 GetFaceCount() const;
 
        const FacetModeler::Profile3D& GetFace(OdUInt32 iIndex) const;
 
        void Clear();
 
    private:
        HLRStorage();
 
        void AddCrossLines();
 
        void ClipWithPlane();
 
    private:
        OdGePlane m_pViewPlane;
        OdGeTol m_tTol;
        std::vector<HLRSegment> m_aLinework;
        //std::vector<FacetModeler::Contour3D> m_aLoops;
        std::vector<FacetModeler::Profile3D> m_aLoops;
        bool m_bCalculateCrossLines;
        bool m_bClipWithPlane;
        bool m_bSortByMetadata;
        bool m_bDrawSilhouettes;
        bool m_bClipBySegments;
        bool m_bCalcVis;
        bool m_bCalcHid;
 
    friend class HLR;
};
 
class AECGEOMETRY_API HLR
{
    public:
        static void Process( const HLRStorage& rHLRStorage,
            HLRResult& rResult );
 
        static void ProcessABLinework( const OdGePlane& pCutPlane,
          const FacetModeler::Body& rBody,
            bool bDrawSilhouettes,
            std::vector<HLRSegment>& rAbove,
            std::vector<HLRSegment>& rBelow );
};
 
}
 
#endif // __AECHLR_H__