Program: bbtk
Module: $RCSfile: bbitkExtractImageFilter.h,v $
Language: C++
- Date: $Date: 2008/11/12 12:47:03 $
- Version: $Revision: 1.9 $
+ Date: $Date: 2009/05/18 10:45:43 $
+ Version: $Revision: 1.10 $
=========================================================================*/
/* ---------------------------------------------------------------------
namespace bbitk
{
-
+ //===================================================
+ /// Template filter
template <class T>
class /*BBTK_EXPORT*/ ExtractImageFilter
:
BBTK_ITK_PROCESS();
BBTK_ITK_DELETE();
};
+ //===================================================
+ //===================================================
+ // Descriptor of template filter
BBTK_BEGIN_DESCRIBE_TEMPLATE_BLACK_BOX(ExtractImageFilter,
bbtk::AtomicBlackBox);
BBTK_NAME("ExtractImageFilter<"+bbtk::TypeName<T>()+">");
BBTK_TEMPLATE_INPUT(ExtractImageFilter,ExtractionRegion,"Extraction region",typename T::RegionType);
BBTK_TEMPLATE_OUTPUT(ExtractImageFilter,Out,"Output image",T*);
BBTK_END_DESCRIBE_TEMPLATE_BLACK_BOX(ExtractImageFilter);
+ //===================================================
+
+ //===================================================
+ template <class T> void ExtractImageFilter<T>::bbUserSetDefaultValues() {}
+ template <class T> void ExtractImageFilter<T>::bbUserInitializeProcessing(){}
+ template <class T> void ExtractImageFilter<T>::bbUserFinalizeProcessing() {}
+ //===================================================
+
+
+
+
+
+
+
+
//===================================================
// Generic "untemplatized" filter
//===================================================
BBTK_DECLARE_OUTPUT(Out,anyImagePointer);
BBTK_PROCESS(ProcessSwitch);
private :
- inline void ProcessSwitch();
+ void ProcessSwitch();
template <class T> void Process();
};
+ //===================================================
+ //===================================================
+ // Descriptor of generic filter
BBTK_BEGIN_DESCRIBE_BLACK_BOX(ExtractImageFilterGeneric,
bbtk::AtomicBlackBox);
BBTK_NAME("ExtractImageFilter");
BBTK_INPUT(ExtractImageFilterGeneric,Region,"Extraction region",anyImageRegion,"");
BBTK_OUTPUT(ExtractImageFilterGeneric,Out,"Output image",anyImagePointer,"");
BBTK_END_DESCRIBE_BLACK_BOX(ExtractImageFilterGeneric);
- void ExtractImageFilterGeneric::ProcessSwitch()
- {
- BBTK_TEMPLATE_ITK_IMAGE_SWITCH(bbGetInputIn().type(), this->Process);
- }
+ //===================================================
+
+ //===================================================
+ // The main processing method is template on the itk image type
+ // which was set to the input.
+ // It is called by the ProcessSwitch method which checks the input In type
+ // and calls Process<T> where T is the right type.
template <class T>
void ExtractImageFilterGeneric::Process()
{
bbtkDebugMessageInc("Core",9,
"bbitk::ExtractImageFilterGeneric::Process<"
<<bbtk::TypeName<T>()<<">()"<<std::endl);
+ // T is the type of input image
typedef T ImageType;
+ // We define the type of the filter to use which is template
+ // on the image type
typedef ExtractImageFilter<ImageType> FilterType;
+ // Allocate the filter
typename FilterType::Pointer f = FilterType::New("Temp");
- typedef ImageType* ImageTypePointer;
- f->bbSetInputIn( this->bbGetInputIn().unsafe_get<ImageTypePointer>() );
+
+ // Set the input In of the filter
+ // Here we :
+ // 1) Get **OUR** input 'In' by bbGetInputIn()
+ // It is a anyImagePointer
+ // 2) We **KNOW** that the actual type stored by the anyImagePointer
+ // is ImageType* hence we get the value stored using the
+ // unsafe_get method (which is a template method on the return type)
+ f->bbSetInputIn( this->bbGetInputIn().unsafe_get<ImageType*>() );
+
+ // The same for the ImageRegion except that we use 'get' and not
+ // 'unsafe get' because the region dimension passed by the user may not be
+ // compatible with the image dimension.
+ // If get fails it throws an exception which must be caught outside
f->bbSetInputExtractionRegion ( this->bbGetInputRegion().get<typename T::RegionType>() );
+
+ // Execute the filter
f->bbExecute();
+ // Register its output or it will be deleted we delete the filter
f->bbGetOutputOut()->Register();
+ // Set OUR output
this->bbSetOutputOut( f->bbGetOutputOut() );
- // f->bbDelete();
+ // Delete the temporary filter
+ f->bbDelete();
bbtkDebugDecTab("Core",9);
}
+ //===================================================
}
// EO namespace bbitk