gmNodeSet.h

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/************************************************************************
**
** Copyright (C) 2014 by Carlos Augusto Teixera Mendes
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together 
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND, 
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR 
** A PARTICULAR PURPOSE.
**
************************************************************************/
 
#ifndef _GEMA_NODE_SET_H_
#define _GEMA_NODE_SET_H_
 
#include "gmMesh.h"
#include "gmCellGroupSet.h"
 
class GMC_API_EXPORT GmNodeSet
{
public:
  virtual ~GmNodeSet() {}
 
  virtual QString id() const = 0;
 
  virtual GmMesh* mesh() const = 0;
 
  virtual int numNodes() const = 0;
 
  virtual int node(int i) const = 0;
 
  virtual bool setNodeData(int numNodes, int* nodeList) 
  { 
    Q_UNUSED(numNodes);  Q_UNUSED(nodeList);
    return false; 
  }
 
  virtual size_t usedMemory() const = 0;
};
 
 
class GMC_API_EXPORT GmMeshNodeSet : public GmNodeSet
{
public:
  GmMeshNodeSet(GmMesh* mesh) : _mesh(mesh) {}
 
  // Comments on the base class
  virtual QString id() const { return "mesh wrapper"; }
 
  // Comments on the base class
  virtual GmMesh* mesh() const { return _mesh; }
 
  // Comments on the base class
  virtual int numNodes() const { return _mesh->numNodes(); }
 
  // Comments on the base class
  virtual int node(int i) const { return i; }
 
  // Comments on the base class
  virtual size_t usedMemory() const { return 0; }
 
private:
  GmMesh* _mesh; 
};
 
 
class GMC_API_EXPORT GmGenericNodeSet : public GmNodeSet
{
public:
    GmGenericNodeSet(const GmCellGroupSet* subset) 
    {
                _nodeList = nullptr;
                _mesh = subset->mesh();
        _numNodes = subset->numNodes();
        if (_numNodes > 0)
        {
            _nodeList = new int[_numNodes];
            for (int i = 0; i < _numNodes; i++)
                                _nodeList[i] = subset->node(i);
        }
    }
 
    // Comments on the base class
    virtual QString id() const { return "generic node set"; }
 
    // Comments on the base class
    virtual GmMesh* mesh() const { return _mesh; }
 
    // Comments on the base class
    virtual int numNodes() const { return _numNodes; }
 
    // Comments on the base class
    virtual int node(int i) const { assert(i >= 0 && i < _numNodes);  return _nodeList[i]; }
 
    // Comments on the base class
    virtual size_t usedMemory() const { return _numNodes*sizeof(int); }
 
        ~GmGenericNodeSet() override { delete[] _nodeList; }
 
private:
    GmMesh* _mesh; 
        int _numNodes; 
        int* _nodeList; 
};
 
 
#endif