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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPieceRequestFilter.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 "vtkPieceRequestFilter.h"
#include "vtkDataObject.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
vtkStandardNewMacro(vtkPieceRequestFilter);
//----------------------------------------------------------------------------
vtkPieceRequestFilter::vtkPieceRequestFilter()
{
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(1);
this->Piece = 0;
this->NumberOfPieces = 1;
}
//----------------------------------------------------------------------------
vtkDataObject* vtkPieceRequestFilter::GetOutput()
{
return this->GetOutput(0);
}
//----------------------------------------------------------------------------
vtkDataObject* vtkPieceRequestFilter::GetOutput(int port)
{
return vtkDataObject::SafeDownCast(this->GetOutputDataObject(port));
}
//----------------------------------------------------------------------------
void vtkPieceRequestFilter::SetInputData(vtkDataObject* input)
{
this->SetInputData(0, input);
}
//----------------------------------------------------------------------------
void vtkPieceRequestFilter::SetInputData(int index, vtkDataObject* input)
{
this->SetInputDataInternal(index, input);
}
//----------------------------------------------------------------------------
int vtkPieceRequestFilter::ProcessRequest(
vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector)
{
// generate the data
if(request->Has(vtkDemandDrivenPipeline::REQUEST_DATA()))
{
return this->RequestData(request, inputVector, outputVector);
}
// create the output
if(request->Has(vtkDemandDrivenPipeline::REQUEST_DATA_OBJECT()))
{
return this->RequestDataObject(request, inputVector, outputVector);
}
// set update extent
if(request->Has(vtkStreamingDemandDrivenPipeline::REQUEST_UPDATE_EXTENT()))
{
return this->RequestUpdateExtent(request, inputVector, outputVector);
}
return this->Superclass::ProcessRequest(request, inputVector, outputVector);
}
//----------------------------------------------------------------------------
int vtkPieceRequestFilter::RequestDataObject(
vtkInformation*,
vtkInformationVector** inputVector ,
vtkInformationVector* outputVector)
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
if (!inInfo)
{
return 0;
}
vtkDataObject *input = inInfo->Get(vtkDataObject::DATA_OBJECT());
if (input)
{
// for each output
for(int i=0; i < this->GetNumberOfOutputPorts(); ++i)
{
vtkInformation* info = outputVector->GetInformationObject(i);
vtkDataObject *output = info->Get(vtkDataObject::DATA_OBJECT());
if (!output || !output->IsA(input->GetClassName()))
{
vtkDataObject* newOutput = input->NewInstance();
info->Set(vtkDataObject::DATA_OBJECT(), newOutput);
newOutput->Delete();
}
}
return 1;
}
return 0;
}
//----------------------------------------------------------------------------
int vtkPieceRequestFilter::RequestData(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector,
vtkInformationVector* outputVector)
{
vtkDataObject* input = vtkDataObject::GetData(inputVector[0]);
vtkDataObject* output = vtkDataObject::GetData(outputVector);
output->ShallowCopy(input);
return 1;
}
//----------------------------------------------------------------------------
int vtkPieceRequestFilter::RequestUpdateExtent(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector,
vtkInformationVector* vtkNotUsed(outputVector))
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES(), this->NumberOfPieces);
inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER(), this->Piece);
return 1;
}
//----------------------------------------------------------------------------
int vtkPieceRequestFilter::FillOutputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
// now add our info
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkDataObject");
return 1;
}
//----------------------------------------------------------------------------
int vtkPieceRequestFilter::FillInputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkDataObject");
return 1;
}
//----------------------------------------------------------------------------
void vtkPieceRequestFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "NumberOfPieces: " << this->NumberOfPieces << endl;
os << indent << "Piece: " << this->Piece << endl;
}
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