GiMetafiler.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 __OD_GI_METAFILER__
#define __OD_GI_METAFILER__
 
#include "Gi/GiConveyorNode.h"
#include "ChunkAllocator.h"
#include "Ge/GeDoubleArray.h"
 
class OdGiDeviation;
 
#include "TD_PackPush.h"
 
class ODGI_EXPORT OdGiGeometryMetafile : public OdRxObject
{
public:
  ODRX_DECLARE_MEMBERS(OdGiGeometryMetafile);
 
  ODCA_HEAP_OPERATORS();
 
  class Record
  {
  protected:
    Record* m_pTail;
  public:
    ODRX_HEAP_OPERATORS();
 
    Record()
      : m_pTail(0)
    {}
 
    virtual ~Record() {}
 
    Record* tail()
    {
      return m_pTail;
    }
 
    const Record* tail() const
    {
      return m_pTail;
    }
 
    void setTail(Record* pTail)
    {
      m_pTail = pTail;
    }
 
    inline void deleteList()
    {
      Record* pCurr = this;
      while(pCurr)
      {
        Record* pTail = pCurr->m_pTail;
        delete pCurr;
        pCurr = pTail;
      }
    }
 
    virtual void play(OdGiConveyorGeometry* pGeom, OdGiConveyorContext* pCtx) const = 0;
 
    virtual OdUInt64 recordSize() const { return (OdUInt64)sizeof(*this); }
  };
 
private:
  Record*               m_pHead;
 
  void destroyRecords()
  {
    if(m_pHead)
    {
      m_pHead->deleteList();
      m_pHead = NULL;
    }
  }
 
public:
 
  OdGiGeometryMetafile();
  virtual ~OdGiGeometryMetafile();
 
  void clear();
  void play(OdGiConveyorGeometry* pGeom, OdGiConveyorContext* pCtx) const;
  virtual OdUInt64 metafileSize() const;
  void setRecords(Record* pRec)
  {
    ODA_ASSERT(m_pHead == 0);
    m_pHead = pRec;
  }
  bool isEmpty() const { return m_pHead == 0; }
  Record *firstRecord() const { return m_pHead; }
  Record *lastRecord() const;
};
 
typedef OdSmartPtr<OdGiGeometryMetafile> OdGiGeometryMetafilePtr;
 
class ODGI_EXPORT OdGiMetafiler : public OdGiConveyorNode
{
public:
  ODRX_DECLARE_MEMBERS(OdGiMetafiler);
  
  virtual void setMetafile(OdGiGeometryMetafile* pMetafile) = 0;
  virtual OdGiGeometryMetafile* metafile() = 0;
 
  virtual void exchangeMetafile(OdGiGeometryMetafile* pMetafile) = 0;
 
  virtual void setDeviation(const OdGeDoubleArray& deviations) = 0;
 
  virtual void setDeviation(const OdGiDeviation* pDeviation) = 0;
 
  virtual void setDrawContext(OdGiConveyorContext* pDrawCtx) = 0;
 
  enum CoordType
  {
    kUnknown = 0,
    kModel,
    kWorld,
    kEye,
    kDevice
  };
 
  virtual void setCoordinatesType(CoordType ct) = 0;
 
  virtual CoordType coordinatesType() const = 0;
 
  virtual bool saveTraits(const OdGiSubEntityTraitsData& entTraits, const OdGiSubEntityTraitsData *byBlockTraits = NULL) = 0;
  virtual bool saveTraits(const OdGiSubEntityTraitsData *byBlockTraits) = 0;
  virtual bool saveTraits() = 0;
 
  virtual void flush(bool bForceTraits = true) = 0;
 
  virtual void add(OdGiGeometryMetafile::Record* pRec) = 0;
};
 
typedef OdSmartPtr<OdGiMetafiler> OdGiMetafilerPtr;
 
#include "TD_PackPop.h"
 
#endif //#ifndef __OD_GI_METAFILER__