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itkVTKImageImport.h
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itkVTKImageImport.h
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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkVTKImageImport_h
#define itkVTKImageImport_h
#include "itkImageSource.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
{
/** \class VTKImageImport
* \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 can also have pixel types with more than one component.
*
* \ingroup IOFilters
* \sa VTKImageImport
* \ingroup ITKVTK
*/
template< typename TOutputImage >
class ITK_TEMPLATE_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);
itkGetConstMacro(UpdateInformationCallback, UpdateInformationCallbackType);
/** What to do when receiving PipelineModified(). */
itkSetMacro(PipelineModifiedCallback, PipelineModifiedCallbackType);
itkGetConstMacro(PipelineModifiedCallback, PipelineModifiedCallbackType);
/** What to do when receiving SetWholeExtent(). */
itkSetMacro(WholeExtentCallback, WholeExtentCallbackType);
itkGetConstMacro(WholeExtentCallback, WholeExtentCallbackType);
/** What to do when receiving SetSpacing(). */
itkSetMacro(SpacingCallback, SpacingCallbackType);
itkGetConstMacro(SpacingCallback, SpacingCallbackType);
itkSetMacro(FloatSpacingCallback, FloatSpacingCallbackType);
itkGetConstMacro(FloatSpacingCallback, FloatSpacingCallbackType);
void SetSpacingCallback(FloatSpacingCallbackType f)
{ this->SetFloatSpacingCallback(f); }
/** What to do when receiving SetOrigin(). */
itkSetMacro(OriginCallback, OriginCallbackType);
itkGetConstMacro(OriginCallback, OriginCallbackType);
itkSetMacro(FloatOriginCallback, FloatOriginCallbackType);
itkGetConstMacro(FloatOriginCallback, FloatOriginCallbackType);
void SetOriginCallback(FloatOriginCallbackType f)
{ this->SetFloatOriginCallback(f); }
/** What to do when receiving UpdateInformation(). */
itkSetMacro(ScalarTypeCallback, ScalarTypeCallbackType);
itkGetConstMacro(ScalarTypeCallback, ScalarTypeCallbackType);
/** What to do when receiving SetNumberOfComponents(). */
itkSetMacro(NumberOfComponentsCallback, NumberOfComponentsCallbackType);
itkGetConstMacro(NumberOfComponentsCallback, NumberOfComponentsCallbackType);
/** What to do when receiving PropagateUpdateExtent(). */
itkSetMacro(PropagateUpdateExtentCallback, PropagateUpdateExtentCallbackType);
itkGetConstMacro(PropagateUpdateExtentCallback, PropagateUpdateExtentCallbackType);
/** What to do when receiving UpdateData(). */
itkSetMacro(UpdateDataCallback, UpdateDataCallbackType);
itkGetConstMacro(UpdateDataCallback, UpdateDataCallbackType);
/** What to do when receiving DataExtent(). */
itkSetMacro(DataExtentCallback, DataExtentCallbackType);
itkGetConstMacro(DataExtentCallback, DataExtentCallbackType);
/** What to do when receiving BufferPointer(). */
itkSetMacro(BufferPointerCallback, BufferPointerCallbackType);
itkGetConstMacro(BufferPointerCallback, BufferPointerCallbackType);
/** Specify callback data. */
itkSetMacro2(CallbackUserData, void *);
itkGetConstMacro(CallbackUserData, void *);
protected:
VTKImageImport();
~VTKImageImport() {}
void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
virtual void PropagateRequestedRegion(DataObject *) ITK_OVERRIDE;
virtual void UpdateOutputInformation() ITK_OVERRIDE;
virtual void GenerateData() ITK_OVERRIDE;
virtual void GenerateOutputInformation() ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(VTKImageImport);
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.hxx"
#endif
#endif // itkVTKImageImport_h