itkVTKImageImport.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkVTKImageImport.h,v $
  Language:  C++
  Date:      $Date: 2009-04-25 12:28:11 $
  Version:   $Revision: 1.15 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/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 notices for more information.

=========================================================================*/
#ifndef __itkVTKImageImport_h
#define __itkVTKImageImport_h

#include "itkImageSource.h"
#include "itkImage.h"
#include "itkImportImageContainer.h"

#define itkSetMacro2(name,type) \
  virtual void Set##name (type _arg) \
  { \
    itkDebugMacro("setting " #name " to " << _arg); \
    if (this->m_##name != _arg) \
      { \
      this->m_##name = _arg; \
      this->Modified(); \
      } \
  } 

namespace itk
{

template <typename TOutputImage>
class ITK_EXPORT VTKImageImport: public ImageSource<TOutputImage>
{
public:
  typedef VTKImageImport            Self;
  typedef ImageSource<TOutputImage> Superclass;
  typedef SmartPointer<Self>        Pointer;

  itkNewMacro(Self);

  itkTypeMacro(VTKImageImport, ImageSource);

  typedef TOutputImage                         OutputImageType;
  typedef typename OutputImageType::Pointer    OutputImagePointer;
  typedef typename OutputImageType::PixelType  OutputPixelType;
  typedef typename OutputImageType::SizeType   OutputSizeType;
  typedef typename OutputImageType::IndexType  OutputIndexType;
  typedef typename OutputImageType::RegionType OutputRegionType;

  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      OutputImageType::ImageDimension);

  typedef void (*UpdateInformationCallbackType)(void*);
  typedef int (*PipelineModifiedCallbackType)(void*);
  typedef int* (*WholeExtentCallbackType)(void*);
  typedef double* (*SpacingCallbackType)(void*);
  typedef double* (*OriginCallbackType)(void*);
  typedef const char* (*ScalarTypeCallbackType)(void*); 
  typedef int (*NumberOfComponentsCallbackType)(void*);
  typedef void (*PropagateUpdateExtentCallbackType)(void*, int*);
  typedef void (*UpdateDataCallbackType)(void*);
  typedef int* (*DataExtentCallbackType)(void*);
  typedef void* (*BufferPointerCallbackType)(void*);

  typedef float* (*FloatSpacingCallbackType)(void*);
  typedef float* (*FloatOriginCallbackType)(void*);

  itkSetMacro(UpdateInformationCallback, UpdateInformationCallbackType);
  itkGetConstMacro(UpdateInformationCallback, UpdateInformationCallbackType);

  itkSetMacro(PipelineModifiedCallback, PipelineModifiedCallbackType);
  itkGetConstMacro(PipelineModifiedCallback, PipelineModifiedCallbackType);

  itkSetMacro(WholeExtentCallback, WholeExtentCallbackType);
  itkGetConstMacro(WholeExtentCallback, WholeExtentCallbackType);

  itkSetMacro(SpacingCallback, SpacingCallbackType);
  itkGetConstMacro(SpacingCallback, SpacingCallbackType);
  itkSetMacro(FloatSpacingCallback, FloatSpacingCallbackType);
  itkGetConstMacro(FloatSpacingCallback, FloatSpacingCallbackType);
  void SetSpacingCallback(FloatSpacingCallbackType f)
    { this->SetFloatSpacingCallback(f); }

  itkSetMacro(OriginCallback, OriginCallbackType);
  itkGetConstMacro(OriginCallback, OriginCallbackType);
  itkSetMacro(FloatOriginCallback, FloatOriginCallbackType);
  itkGetConstMacro(FloatOriginCallback, FloatOriginCallbackType);
  void SetOriginCallback(FloatOriginCallbackType f)
    { this->SetFloatOriginCallback(f); }

  itkSetMacro(ScalarTypeCallback, ScalarTypeCallbackType);
  itkGetConstMacro(ScalarTypeCallback, ScalarTypeCallbackType);

  itkSetMacro(NumberOfComponentsCallback, NumberOfComponentsCallbackType);
  itkGetConstMacro(NumberOfComponentsCallback, NumberOfComponentsCallbackType);

  itkSetMacro(PropagateUpdateExtentCallback,PropagateUpdateExtentCallbackType);
  itkGetConstMacro(PropagateUpdateExtentCallback,PropagateUpdateExtentCallbackType);

  itkSetMacro(UpdateDataCallback, UpdateDataCallbackType);
  itkGetConstMacro(UpdateDataCallback, UpdateDataCallbackType);

  itkSetMacro(DataExtentCallback, DataExtentCallbackType);
  itkGetConstMacro(DataExtentCallback, DataExtentCallbackType);

  itkSetMacro(BufferPointerCallback, BufferPointerCallbackType);
  itkGetConstMacro(BufferPointerCallback, BufferPointerCallbackType);

  itkSetMacro2(CallbackUserData, void*);
  itkGetConstMacro(CallbackUserData, void*);

protected:
  VTKImageImport();
  ~VTKImageImport() {}
  void PrintSelf(std::ostream& os, Indent indent) const;

  virtual void PropagateRequestedRegion(DataObject*);  
  virtual void UpdateOutputInformation();
  virtual void GenerateData();
  virtual void GenerateOutputInformation();
  
private:
  VTKImageImport(const Self&); //purposely not implemented
  void operator= (const Self&); //purposely not implemented

  void* m_CallbackUserData;
  UpdateInformationCallbackType     m_UpdateInformationCallback;
  PipelineModifiedCallbackType      m_PipelineModifiedCallback;
  WholeExtentCallbackType           m_WholeExtentCallback;
  SpacingCallbackType               m_SpacingCallback;
  FloatSpacingCallbackType          m_FloatSpacingCallback;
  OriginCallbackType                m_OriginCallback;
  FloatOriginCallbackType           m_FloatOriginCallback;
  ScalarTypeCallbackType            m_ScalarTypeCallback;
  NumberOfComponentsCallbackType    m_NumberOfComponentsCallback;  
  PropagateUpdateExtentCallbackType m_PropagateUpdateExtentCallback;  
  UpdateDataCallbackType            m_UpdateDataCallback;
  DataExtentCallbackType            m_DataExtentCallback;
  BufferPointerCallbackType         m_BufferPointerCallback;
  
  std::string m_ScalarTypeName;
};

} // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkVTKImageImport.txx"
#endif

#endif // __itkVTKImageImport_h