vtkMappedDataArray.h

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/*==============================================================================
 
  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"
 
template <class Scalar>
class vtkMappedDataArray : public vtkTypedDataArray<Scalar>
{
public:
  vtkTemplateTypeMacro(vtkMappedDataArray<Scalar>, vtkTypedDataArray<Scalar>);
  typedef typename Superclass::ValueType ValueType;
 
  static vtkMappedDataArray<Scalar>* FastDownCast(vtkAbstractArray* source);
 
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  // vtkAbstractArray virtual method that must be reimplemented.
  void DeepCopy(vtkAbstractArray* aa) override = 0;
  vtkVariant GetVariantValue(vtkIdType idx) override = 0;
  void SetVariantValue(vtkIdType idx, vtkVariant value) override = 0;
  void GetTuples(vtkIdList* ptIds, vtkAbstractArray* output) override = 0;
  void GetTuples(vtkIdType p1, vtkIdType p2, vtkAbstractArray* output) override = 0;
  void InterpolateTuple(
    vtkIdType i, vtkIdList* ptIndices, vtkAbstractArray* source, double* weights) override = 0;
  void InterpolateTuple(vtkIdType i, vtkIdType id1, vtkAbstractArray* source1, vtkIdType id2,
    vtkAbstractArray* source2, double t) override = 0;
 
  // vtkDataArray virtual method that must be reimplemented.
  void DeepCopy(vtkDataArray* da) override = 0;
 
  void* GetVoidPointer(vtkIdType id) override;
 
  void ExportToVoidPointer(void* ptr) override;
 
  void DataChanged() override;
 
 
  void SetVoidArray(void*, vtkIdType, int) override;
  void SetVoidArray(void*, vtkIdType, int, int) override;
 
 
  void* WriteVoidPointer(vtkIdType /*id*/, vtkIdType /*number*/) override
  {
    vtkErrorMacro(<< "WriteVoidPointer: Method not implemented.");
    return nullptr;
  }
 
  void Modified() override;
 
  // vtkAbstractArray override:
  bool HasStandardMemoryLayout() const override { return false; }
 
protected:
  vtkMappedDataArray();
  ~vtkMappedDataArray() override;
 
  int GetArrayType() const override { return vtkAbstractArray::MappedDataArray; }
 
private:
  vtkMappedDataArray(const vtkMappedDataArray&) = delete;
  void operator=(const vtkMappedDataArray&) = delete;
 
 
  ValueType* TemporaryScalarPointer;
  size_t TemporaryScalarPointerSize;
};
 
// Declare vtkArrayDownCast implementations for mapped containers:
vtkArrayDownCast_TemplateFastCastMacro(vtkMappedDataArray);
 
#include "vtkMappedDataArray.txx"
 
// Adds an implementation of NewInstanceInternal() that returns an AoS
// (unmapped) VTK array, if possible. Use this in combination with
// vtkAbstractTemplateTypeMacro when your subclass is a template class.
// Otherwise, use vtkMappedDataArrayTypeMacro.
#define vtkMappedDataArrayNewInstanceMacro(thisClass)                                              \
protected:                                                                                         \
  vtkObjectBase* NewInstanceInternal() const override                                              \
  {                                                                                                \
    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