vtkCellTypes.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkCellTypes.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkCellTypes_h
#define vtkCellTypes_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
 
#include "vtkIntArray.h" // Needed for inline methods
#include "vtkUnsignedCharArray.h" // Needed for inline methods
#include "vtkCellType.h" // Needed for VTK_EMPTY_CELL
 
class VTKCOMMONDATAMODEL_EXPORT vtkCellTypes : public vtkObject
{
public:
  static vtkCellTypes *New();
  vtkTypeMacro(vtkCellTypes,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  int Allocate(int sz=512, int ext=1000);
 
  void InsertCell(int id, unsigned char type, int loc);
 
  vtkIdType InsertNextCell(unsigned char type, int loc);
 
  void SetCellTypes(int ncells, vtkUnsignedCharArray *cellTypes, vtkIntArray *cellLocations);
 
  vtkIdType GetCellLocation(int cellId) { return this->LocationArray->GetValue(cellId);};
 
  void DeleteCell(vtkIdType cellId) { this->TypeArray->SetValue(cellId, VTK_EMPTY_CELL);};
 
  vtkIdType GetNumberOfTypes() { return (this->MaxId + 1);};
 
  int IsType(unsigned char type);
 
  vtkIdType InsertNextType(unsigned char type){return this->InsertNextCell(type,-1);};
 
  unsigned char GetCellType(int cellId) { return this->TypeArray->GetValue(cellId);};
 
  void Squeeze();
 
  void Reset();
 
  unsigned long GetActualMemorySize();
 
  void DeepCopy(vtkCellTypes *src);
 
  static const char* GetClassNameFromTypeId(int typeId);
 
  static int GetTypeIdFromClassName(const char* classname);
 
  static int IsLinear(unsigned char type);
 
protected:
  vtkCellTypes();
  ~vtkCellTypes();
 
  vtkUnsignedCharArray *TypeArray; // pointer to types array
  vtkIntArray *LocationArray;   // pointer to array of offsets
  vtkIdType Size;            // allocated size of data
  vtkIdType MaxId;           // maximum index inserted thus far
  vtkIdType Extend;          // grow array by this point
 
private:
  vtkCellTypes(const vtkCellTypes&);  // Not implemented.
  void operator=(const vtkCellTypes&);    // Not implemented.
};
 
 
//----------------------------------------------------------------------------
inline int vtkCellTypes::IsType(unsigned char type)
{
  vtkIdType numTypes=this->GetNumberOfTypes();
 
  for (vtkIdType i=0; i<numTypes; i++)
    {
    if ( type == this->GetCellType(i))
      {
      return 1;
      }
    }
  return 0;
}
 
//-----------------------------------------------------------------------------
inline int vtkCellTypes::IsLinear(unsigned char type)
{
  return (   (type <= 20)
          || (type == VTK_CONVEX_POINT_SET)
          || (type == VTK_POLYHEDRON) );
}
 
 
#endif