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87 lines
2.7 KiB
87 lines
2.7 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkSimpleImageToImageFilter.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkSimpleImageToImageFilter.h"
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#include "vtkImageData.h"
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#include "vtkInformation.h"
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#include "vtkInformationVector.h"
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#include "vtkObjectFactory.h"
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#include "vtkStreamingDemandDrivenPipeline.h"
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vtkCxxRevisionMacro(vtkSimpleImageToImageFilter, "$Revision: 1.15 $");
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//----------------------------------------------------------------------------
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vtkSimpleImageToImageFilter::vtkSimpleImageToImageFilter()
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{
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}
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//----------------------------------------------------------------------------
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vtkSimpleImageToImageFilter::~vtkSimpleImageToImageFilter()
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{
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}
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int vtkSimpleImageToImageFilter::RequestUpdateExtent (
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vtkInformation * vtkNotUsed(request),
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vtkInformationVector **inputVector,
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vtkInformationVector *vtkNotUsed( outputVector ))
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{
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vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
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// always request the whole extent
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inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_EXTENT(),
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inInfo->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()),6);
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return 1;
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}
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int vtkSimpleImageToImageFilter::RequestData(
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vtkInformation* vtkNotUsed( request ),
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector)
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{
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// get the data object
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vtkInformation *outInfo = outputVector->GetInformationObject(0);
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vtkImageData *output = vtkImageData::SafeDownCast(
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outInfo->Get(vtkDataObject::DATA_OBJECT()));
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vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
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vtkImageData *input = vtkImageData::SafeDownCast(
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inInfo->Get(vtkDataObject::DATA_OBJECT()));
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int inExt[6];
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input->GetExtent(inExt);
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// if the input extent is empty then exit
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if (inExt[1] < inExt[0] ||
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inExt[3] < inExt[2] ||
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inExt[5] < inExt[4])
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{
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return 1;
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}
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// Set the extent of the output and allocate memory.
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output->SetExtent(
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outInfo->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()));
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output->AllocateScalars();
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this->SimpleExecute(input, output);
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return 1;
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}
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//----------------------------------------------------------------------------
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void vtkSimpleImageToImageFilter::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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}
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