vtkMappedDataArray.h

Go to the documentation of this file.

/*==============================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkMappedDataArray.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 vtkMappedDataArray_h
#define vtkMappedDataArray_h
 
#include "vtkTypedDataArray.h"
 
#include "vtkTypeTemplate.h" // for vtkTypeTemplate
 
template <class Scalar>
class vtkMappedDataArray : public vtkTypeTemplate<vtkMappedDataArray<Scalar>,
                                                  vtkTypedDataArray<Scalar> >
{
public:
  typedef vtkTypedDataArray<Scalar> Superclass;
  typedef typename Superclass::ValueType ValueType;
 
  static vtkMappedDataArray<Scalar>* FastDownCast(vtkAbstractArray *source);
 
  void PrintSelf(ostream &os, vtkIndent indent);
 
  // vtkAbstractArray virtual method that must be reimplemented.
  void DeepCopy(vtkAbstractArray *aa) = 0;
  vtkVariant GetVariantValue(vtkIdType idx) = 0;
  void SetVariantValue(vtkIdType idx, vtkVariant value) = 0;
  void GetTuples(vtkIdList *ptIds, vtkAbstractArray *output) = 0;
  void GetTuples(vtkIdType p1, vtkIdType p2, vtkAbstractArray *output) = 0;
  void InterpolateTuple(vtkIdType i, vtkIdList *ptIndices,
                        vtkAbstractArray *source, double *weights) = 0;
  void InterpolateTuple(vtkIdType i, vtkIdType id1,
                        vtkAbstractArray* source1, vtkIdType id2,
                        vtkAbstractArray* source2, double t) = 0;
 
  // vtkDataArray virtual method that must be reimplemented.
  void DeepCopy(vtkDataArray *da) = 0;
 
  void * GetVoidPointer(vtkIdType id);
 
  void ExportToVoidPointer(void *ptr);
 
  void DataChanged();
 
  void SetVoidArray(void *, vtkIdType, int);
 
 
  void * WriteVoidPointer(vtkIdType /*id*/, vtkIdType /*number*/)
  {
    vtkErrorMacro(<<"WriteVoidPointer: Method not implemented.");
    return NULL;
  }
 
  void Modified();
 
  // vtkAbstractArray override:
  bool HasStandardMemoryLayout() { return false; }
 
protected:
  vtkMappedDataArray();
  ~vtkMappedDataArray();
 
  virtual int GetArrayType()
  {
    return vtkAbstractArray::MappedDataArray;
  }
 
private:
  vtkMappedDataArray(const vtkMappedDataArray &); // Not implemented.
  void operator=(const vtkMappedDataArray &);   // Not implemented.
 
 
  ValueType *TemporaryScalarPointer;
  size_t TemporaryScalarPointerSize;
};
 
#include "vtkMappedDataArray.txx"
 
// Adds an implementation of NewInstanceInternal() that returns a standard
// (unmapped) VTK array, if possible. Use this with classes that derive from
// vtkTypeTemplate, otherwise, use vtkMappedDataArrayTypeMacro.
#define vtkMappedDataArrayNewInstanceMacro(thisClass) \
  protected: \
  vtkObjectBase *NewInstanceInternal() const \
  { \
    if (vtkDataArray *da = \
        vtkDataArray::CreateDataArray(thisClass::VTK_DATA_TYPE)) \
      { \
      return da; \
      } \
    return thisClass::New(); \
  } \
  public:
 
// Same as vtkTypeMacro, but adds an implementation of NewInstanceInternal()
// that returns a standard (unmapped) VTK array, if possible.
#define vtkMappedDataArrayTypeMacro(thisClass, superClass) \
  vtkAbstractTypeMacroWithNewInstanceType(thisClass, superClass, vtkDataArray) \
  vtkMappedDataArrayNewInstanceMacro(thisClass)
 
#endif //vtkMappedDataArray_h
 
// VTK-HeaderTest-Exclude: vtkMappedDataArray.h