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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkImageStencilAlgorithm.h"
#include "vtkImageStencilData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkImageStencilAlgorithm);
//------------------------------------------------------------------------------
vtkImageStencilAlgorithm::vtkImageStencilAlgorithm()
{
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(1);
vtkImageStencilData* output = vtkImageStencilData::New();
this->GetExecutive()->SetOutputData(0, output);
// Releasing data for pipeline parallelism.
// Filters will know it is empty.
output->ReleaseData();
output->Delete();
}
//------------------------------------------------------------------------------
vtkImageStencilAlgorithm::~vtkImageStencilAlgorithm() = default;
//------------------------------------------------------------------------------
void vtkImageStencilAlgorithm::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//------------------------------------------------------------------------------
void vtkImageStencilAlgorithm::SetOutput(vtkImageStencilData* output)
{
this->GetExecutive()->SetOutputData(0, output);
}
//------------------------------------------------------------------------------
vtkImageStencilData* vtkImageStencilAlgorithm::GetOutput()
{
if (this->GetNumberOfOutputPorts() < 1)
{
return nullptr;
}
return vtkImageStencilData::SafeDownCast(this->GetExecutive()->GetOutputData(0));
}
//------------------------------------------------------------------------------
vtkImageStencilData* vtkImageStencilAlgorithm::AllocateOutputData(vtkDataObject* out, int* uExt)
{
vtkImageStencilData* res = vtkImageStencilData::SafeDownCast(out);
if (!res)
{
vtkWarningMacro("Call to AllocateOutputData with non vtkImageStencilData"
" output");
return nullptr;
}
res->SetExtent(uExt);
res->AllocateExtents();
return res;
}
//------------------------------------------------------------------------------
int vtkImageStencilAlgorithm::RequestData(
vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector)
{
vtkInformation* outInfo = outputVector->GetInformationObject(0);
vtkDataObject* out = outInfo->Get(vtkDataObject::DATA_OBJECT());
this->AllocateOutputData(out, outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_EXTENT()));
return 1;
}
//------------------------------------------------------------------------------
int vtkImageStencilAlgorithm::RequestInformation(
vtkInformation*, vtkInformationVector**, vtkInformationVector*)
{
return 1;
}
//------------------------------------------------------------------------------
int vtkImageStencilAlgorithm::RequestUpdateExtent(
vtkInformation*, vtkInformationVector**, vtkInformationVector*)
{
return 1;
}
//------------------------------------------------------------------------------
int vtkImageStencilAlgorithm::FillOutputPortInformation(int, vtkInformation* info)
{
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkImageStencilData");
return 1;
}
//------------------------------------------------------------------------------
vtkTypeBool vtkImageStencilAlgorithm::ProcessRequest(
vtkInformation* request, vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
// generate the data
if (request->Has(vtkDemandDrivenPipeline::REQUEST_DATA()))
{
this->RequestData(request, inputVector, outputVector);
return 1;
}
// execute information
if (request->Has(vtkDemandDrivenPipeline::REQUEST_INFORMATION()))
{
this->RequestInformation(request, inputVector, outputVector);
return 1;
}
if (request->Has(vtkStreamingDemandDrivenPipeline::REQUEST_UPDATE_EXTENT()))
{
this->RequestUpdateExtent(request, inputVector, outputVector);
return 1;
}
return this->Superclass::ProcessRequest(request, inputVector, outputVector);
}
VTK_ABI_NAMESPACE_END
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