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/*=========================================================================
Program: Visualization Toolkit
Module: vtkProgrammableAttributeDataFilter.cxx
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.
=========================================================================*/
#include "vtkProgrammableAttributeDataFilter.h"
#include "vtkCellData.h"
#include "vtkDataSetCollection.h"
#include "vtkGarbageCollector.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
vtkStandardNewMacro(vtkProgrammableAttributeDataFilter);
vtkProgrammableAttributeDataFilter::vtkProgrammableAttributeDataFilter()
{
this->ExecuteMethod = NULL;
this->ExecuteMethodArg = NULL;
this->ExecuteMethodArgDelete = NULL;
this->InputList = vtkDataSetCollection::New();
}
vtkProgrammableAttributeDataFilter::~vtkProgrammableAttributeDataFilter()
{
// delete the current arg if there is one and a delete meth
if ((this->ExecuteMethodArg)&&(this->ExecuteMethodArgDelete))
{
(*this->ExecuteMethodArgDelete)(this->ExecuteMethodArg);
}
if (this->InputList)
{
this->InputList->Delete();
this->InputList = NULL;
}
}
// Add a dataset to the list of data to process.
void vtkProgrammableAttributeDataFilter::AddInput(vtkDataSet *ds)
{
if ( ! this->InputList->IsItemPresent(ds) )
{
this->Modified();
this->InputList->AddItem(ds);
}
}
// Remove a dataset from the list of data to process.
void vtkProgrammableAttributeDataFilter::RemoveInput(vtkDataSet *ds)
{
if ( this->InputList->IsItemPresent(ds) )
{
this->Modified();
this->InputList->RemoveItem(ds);
}
}
// Specify the function to use to operate on the point attribute data. Note
// that the function takes a single (void *) argument.
void vtkProgrammableAttributeDataFilter::SetExecuteMethod(
void (*f)(void *), void *arg)
{
if ( f != this->ExecuteMethod || arg != this->ExecuteMethodArg )
{
// delete the current arg if there is one and a delete meth
if ((this->ExecuteMethodArg)&&(this->ExecuteMethodArgDelete))
{
(*this->ExecuteMethodArgDelete)(this->ExecuteMethodArg);
}
this->ExecuteMethod = f;
this->ExecuteMethodArg = arg;
this->Modified();
}
}
// Set the arg delete method. This is used to free user memory.
void vtkProgrammableAttributeDataFilter::SetExecuteMethodArgDelete(
void (*f)(void *))
{
if ( f != this->ExecuteMethodArgDelete)
{
this->ExecuteMethodArgDelete = f;
this->Modified();
}
}
int vtkProgrammableAttributeDataFilter::RequestData(
vtkInformation *vtkNotUsed(request),
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
// get the info objects
vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
vtkInformation *outInfo = outputVector->GetInformationObject(0);
// get the input and output
vtkDataSet *input = vtkDataSet::SafeDownCast(
inInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkDataSet *output = vtkDataSet::SafeDownCast(
outInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkDebugMacro(<<"Executing programmable point data filter");
// First, copy the input to the output as a starting point
output->CopyStructure( input );
// Output data is the same as input data by default.
output->GetCellData()->PassData(input->GetCellData());
output->GetPointData()->PassData(input->GetPointData());
// Now invoke the procedure, if specified.
if ( this->ExecuteMethod != NULL )
{
(*this->ExecuteMethod)(this->ExecuteMethodArg);
}
return 1;
}
void vtkProgrammableAttributeDataFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Input DataSets:\n";
this->InputList->PrintSelf(os,indent.GetNextIndent());
if ( this->ExecuteMethod )
{
os << indent << "An ExecuteMethod has been defined\n";
}
else
{
os << indent << "An ExecuteMethod has NOT been defined\n";
}
}
//----------------------------------------------------------------------------
void
vtkProgrammableAttributeDataFilter
::ReportReferences(vtkGarbageCollector* collector)
{
this->Superclass::ReportReferences(collector);
vtkGarbageCollectorReport(collector, this->InputList, "InputList");
}
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