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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkSimpleImageToImageFilter.h"
#include "vtkImageData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
//------------------------------------------------------------------------------
VTK_ABI_NAMESPACE_BEGIN
vtkSimpleImageToImageFilter::vtkSimpleImageToImageFilter() = default;
//------------------------------------------------------------------------------
vtkSimpleImageToImageFilter::~vtkSimpleImageToImageFilter() = default;
//------------------------------------------------------------------------------
int vtkSimpleImageToImageFilter::RequestUpdateExtent(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector, vtkInformationVector* vtkNotUsed(outputVector))
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
// always request the whole extent
inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_EXTENT(),
inInfo->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()), 6);
return 1;
}
//------------------------------------------------------------------------------
int vtkSimpleImageToImageFilter::RequestData(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
// get the data object
vtkInformation* outInfo = outputVector->GetInformationObject(0);
vtkImageData* output = vtkImageData::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
vtkImageData* input = vtkImageData::SafeDownCast(inInfo->Get(vtkDataObject::DATA_OBJECT()));
int inExt[6];
input->GetExtent(inExt);
// if the input extent is empty then exit
if (inExt[1] < inExt[0] || inExt[3] < inExt[2] || inExt[5] < inExt[4])
{
return 1;
}
// Set the extent of the output and allocate memory.
output->SetExtent(outInfo->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()));
output->AllocateScalars(outInfo);
this->SimpleExecute(input, output);
return 1;
}
//------------------------------------------------------------------------------
void vtkSimpleImageToImageFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
VTK_ABI_NAMESPACE_END
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