AECGeCompCurve2d.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 __AECGECOMPCURVE2D_H__
#define __AECGECOMPCURVE2D_H__
 
#include "Subobjects/AECImpArray.h"
#include "Subobjects/AECAttribute.h"
#include "Subobjects/Ge/AECGeSegment2d.h"
#include "FMContour2D.h"
#include <Ge/GeSegmentChain2d.h>
 
class AECGeProfile;
class AECGeCompCurve2d;
class AECGeInitSegments;
typedef OdSmartPtr<AECGeCompCurve2d> AECGeCompCurve2dPtr;
typedef AECSubPtr<AECGeCompCurve2d> AECGeCompCurve2dSubPtr;
 
namespace FacetModeler { class Contour2D; }
 
class AECBASE_API AECGeCompCurve2d : public AECImpObj
{
    AEC_DECLARE_MEMBERS( AECGeCompCurve2d );
 
    public:
        bool IsClosed() const;
 
        void SetClosed( bool bClosed );
 
        OdUInt32 GetVertexCount() const;
    
        OdUInt32 GetSegmentCount() const;
 
        virtual bool GetVertexByIndex( OdUInt32     iIndex,
                                       OdGePoint2d& ptVertex,
                                       double&      dBulge ) const;
    
        virtual bool GetSegmentByIndex( OdUInt32     iIndex,
                                        OdGePoint2d& ptVertex1,
                                        OdGePoint2d& ptVertex2,
                                        double&      dBulge ) const;
 
        AECGeSegment2dPtr GetSegmentByIndex( OdUInt32 iIndex ) const;
 
        AECImpArrayPtr GetSegments();
 
        static AECGeCompCurve2dPtr Create( const OdGeSegmentChain2d& rPolyline,
            const OdRxClass* pSegmentType = 0 );
 
        static AECGeCompCurve2dPtr Create( const FacetModeler::Contour2D& rContour,
            const OdRxClass* pSegmentType = 0 );
 
        void Init( const OdGeSegmentChain2d& rPolyline,
            const OdRxClass* pSegmentType = 0 );
 
        void Init(const FacetModeler::Contour2D& rContour,
            const OdRxClass* pSegmentType = 0 );
 
        void SetDefaultSegmentType( const OdRxClass* pSegmentType );
 
        void GetRawContour(FacetModeler::Contour2D& rContour) const;
 
        AECAttributeSubPtr GetAttribute() const;
 
        void SetAttribute( AECAttribute* pAttr );
 
        void Translate( const OdGeVector2d& v );
 
    protected:
        // Method regenerates drawing specific data in elements of *m_aVertices* array.
        void regenDwgData();
 
        // Method regenerates DXF specific data in elements of *m_aSegments* array.
        void regenDxfData();
    
        friend class AECGeProfile;
 
        virtual void InitSegmentsImpl(
             const FacetModeler::Contour2D& rContour,
             const AECGeInitSegments& rSegSource,
             const OdRxClass* pSegmentType = 0 );
 
        virtual OdUInt32 GetRawContourImpl( 
            FacetModeler::Contour2D& rContour, 
            OdUInt32 uSegmentKey = 0) const;
 
        virtual void CopyDataFrom( const AECGeCompCurve2d* pSource );
 
        inline bool IsCacheInvalid() const {
          return GETBIT( m_nFlags, 1 );
        }
 
        inline void SetCacheInvalid( bool bInvalid ) {
          SETBIT( m_nFlags, 1, bInvalid );
        }
    protected:
        // Internal structure for storing segment data in drawing format.
        struct SCompCurve2dVertex
        {
          SCompCurve2dVertex()
            : m_dBulge(0.0) {
          }
 
          bool IsLine() const {
            return (m_dBulge==0.0);
          }
 
          // The X coordinate of the curve vertex in the 2d space.
          double m_dOffsetX;
 
          // The Y coordinate of the curve vertex in the 2d space.
          double m_dOffsetY;
 
          // The bulge value. Valid only for arc segments.
          double m_dBulge;
        };
 
    protected:
        // Array of implementation classes, each corresponding to a single segment.
        // The classes has the type of AECGeSegment2d.
        AECImpArray m_aSegments;
 
        // Flags.
        OdUInt16 m_nFlags;
        
        // Indicates that the curve is closed.
        bool m_bClosed;
 
        // Array of curve vertices description structures. The size of this array is equal to 
        // the number of segments stored in AECGeCompCurve2d::m_aSegments
        // array. See the description of SCompCurve2dVertex for 
        // more details.
        std::vector<SCompCurve2dVertex> m_aVertices;
 
        // Last vertex' x coordinate.
        double m_dLastVertexX;
 
        // Last vertex' y coordinate.
        double m_dLastVertexY;
 
        //
        AECAttributePtr m_pAttribute;
 
        //
        const OdRxClass* m_pDefaultSegmentType;
};
 
#endif  //__AECGECOMPCURVE2D_H__