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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkVTKImageImport.h,v $
Language: C++
Date: $Date: 2004-02-18 22:48:38 $
Version: $Revision: 1.13 $
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
{
/** \brief Connect the end of an VTK pipeline to an ITK image pipeline.
*
* VTKImageImport can be used at the beginning of an ITK image pipeline to
* connect with a VTK pipeline that ends with vtkImageExport. Callbacks
* provided by VTKImageImport are registered with vtkImageExport to connect
* the pipeline execution together. Once connected, update requests coming
* through the ITK pipeline are automatically propagated to the VTK pipeline.
*
* Note that the VTK images are assumed to be of 1, 2, or 3 dimensions.
* Scalar value types can be one of: float, double, char, unsigned char,
* short, unsigned short, int, unsigned int, long, unsigned long. The
* images must have pixel types with one component.
*
* \ingroup IOFilters
* \sa VTKImageImport
*/
template <typename TOutputImage>
class ITK_EXPORT VTKImageImport: public ImageSource<TOutputImage>
{
public:
/** Standard class typedefs. */
typedef VTKImageImport Self;
typedef ImageSource<TOutputImage> Superclass;
typedef SmartPointer<Self> Pointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(VTKImageImport, ImageSource);
/** Convenient typedefs from the output image. */
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;
/** The output image dimension. */
itkStaticConstMacro(OutputImageDimension, unsigned int,
OutputImageType::ImageDimension);
/** These are function pointer types for the pipeline connection
* callbacks. */
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*);
/** Compatibility for VTK older than 4.4. */
typedef float* (*FloatSpacingCallbackType)(void*);
typedef float* (*FloatOriginCallbackType)(void*);
/** What to do when receiving UpdateInformation(). */
itkSetMacro(UpdateInformationCallback, UpdateInformationCallbackType);
itkGetMacro(UpdateInformationCallback, UpdateInformationCallbackType);
/** What to do when receiving PipelineModified(). */
itkSetMacro(PipelineModifiedCallback, PipelineModifiedCallbackType);
itkGetMacro(PipelineModifiedCallback, PipelineModifiedCallbackType);
/** What to do when receiving SetWholeExtent(). */
itkSetMacro(WholeExtentCallback, WholeExtentCallbackType);
itkGetMacro(WholeExtentCallback, WholeExtentCallbackType);
/** What to do when receiving SetSpacing(). */
itkSetMacro(SpacingCallback, SpacingCallbackType);
itkGetMacro(SpacingCallback, SpacingCallbackType);
itkSetMacro(FloatSpacingCallback, FloatSpacingCallbackType);
itkGetMacro(FloatSpacingCallback, FloatSpacingCallbackType);
void SetSpacingCallback(FloatSpacingCallbackType f)
{ this->SetFloatSpacingCallback(f); }
/** What to do when receiving SetOrigin(). */
itkSetMacro(OriginCallback, OriginCallbackType);
itkGetMacro(OriginCallback, OriginCallbackType);
itkSetMacro(FloatOriginCallback, FloatOriginCallbackType);
itkGetMacro(FloatOriginCallback, FloatOriginCallbackType);
void SetOriginCallback(FloatOriginCallbackType f)
{ this->SetFloatOriginCallback(f); }
/** What to do when receiving UpdateInformation(). */
itkSetMacro(ScalarTypeCallback, ScalarTypeCallbackType);
itkGetMacro(ScalarTypeCallback, ScalarTypeCallbackType);
/** What to do when receiving SetNumberOfComponents(). */
itkSetMacro(NumberOfComponentsCallback, NumberOfComponentsCallbackType);
itkGetMacro(NumberOfComponentsCallback, NumberOfComponentsCallbackType);
/** What to do when receiving PropagateUpdateExtent(). */
itkSetMacro(PropagateUpdateExtentCallback,PropagateUpdateExtentCallbackType);
itkGetMacro(PropagateUpdateExtentCallback,PropagateUpdateExtentCallbackType);
/** What to do when receiving UpdateData(). */
itkSetMacro(UpdateDataCallback, UpdateDataCallbackType);
itkGetMacro(UpdateDataCallback, UpdateDataCallbackType);
/** What to do when receiving DataExtent(). */
itkSetMacro(DataExtentCallback, DataExtentCallbackType);
itkGetMacro(DataExtentCallback, DataExtentCallbackType);
/** What to do when receiving BufferPointer(). */
itkSetMacro(BufferPointerCallback, BufferPointerCallbackType);
itkGetMacro(BufferPointerCallback, BufferPointerCallbackType);
/** Specify callback data. */
itkSetMacro2(CallbackUserData, void*);
itkGetMacro(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
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