AcDbGraph.h

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#pragma once
 
//
// (C) Copyright 2005-2024 by Graebert GmbH.
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted,
// provided that the above copyright notice appears in all copies and
// that both that copyright notice and the limited warranty and
// restricted rights notice below appear in all supporting
// documentation.
//
// GRAEBERT PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
// GRAEBERT SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.  GRAEBERT GMBH
// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
// UNINTERRUPTED OR ERROR FREE.
 
#include "..\acad\Acad.h"
 
template < typename Param1 > class AcArrayMemCopyReallocator;
class AcDbGraphNode;
class AcDbGraph_Impl;
 
class ARX_API AcDbGraph
{
    friend class AcDbGraph_Impl;
public:
    AcDbGraph( AcDbGraphNode * = NULL );
    Acad::ErrorStatus  addEdge( AcDbGraphNode *, AcDbGraphNode *);
    Acad::ErrorStatus  addNode( AcDbGraphNode *);
    Acad::ErrorStatus  breakCycleEdge( AcDbGraphNode *, AcDbGraphNode *);
    Acad::ErrorStatus  delNode( AcDbGraphNode *);
    virtual  ~AcDbGraph(void);
    virtual int  findCycles( AcDbGraphNode *);
    void  clearAll(unsigned char);
    void  getOutgoing( AcDbVoidPtrArray &);
    void  reset(void);
    void  setNodeGrowthRate(int);
    int numNodes(void) const;
    AcDbGraphNode* node(int index) const;
    AcDbGraphNode* rootNode() const;
    bool isEmpty() const;
 
protected:
    Acad::ErrorStatus  clearAllCycles(void);
 
protected:
    AcDbGraph_Impl* m_pImpl;
};