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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifdef _MSC_VER
#pragma warning(disable : 4018)
#endif
#include "vtkMetaImageWriter.h"
#include "vtkAlgorithmOutput.h"
#include "vtkCommand.h"
#include "vtkDataSetAttributes.h"
#include "vtkErrorCode.h"
#include "vtkImageData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkmetaio/metaEvent.h"
#include "vtkmetaio/metaImage.h"
#include "vtkmetaio/metaImageTypes.h"
#include "vtkmetaio/metaImageUtils.h"
#include "vtkmetaio/metaObject.h"
#include "vtkmetaio/metaTypes.h"
#include "vtkmetaio/metaUtils.h"
#include <string>
#include <sys/stat.h>
//------------------------------------------------------------------------------
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkMetaImageWriter);
//------------------------------------------------------------------------------
vtkMetaImageWriter::vtkMetaImageWriter()
{
this->MHDFileName = nullptr;
this->FileLowerLeft = 1;
this->MetaImagePtr = new vtkmetaio::MetaImage;
this->Compress = true;
}
//------------------------------------------------------------------------------
vtkMetaImageWriter::~vtkMetaImageWriter()
{
this->SetFileName(nullptr);
delete this->MetaImagePtr;
}
//------------------------------------------------------------------------------
void vtkMetaImageWriter::SetFileName(const char* fname)
{
this->SetMHDFileName(fname);
this->Superclass::SetFileName(nullptr);
}
//------------------------------------------------------------------------------
void vtkMetaImageWriter::SetRAWFileName(const char* fname)
{
this->Superclass::SetFileName(fname);
}
//------------------------------------------------------------------------------
VTK_FUTURE_CONST char* vtkMetaImageWriter::GetRAWFileName() VTK_FUTURE_CONST
{
return this->Superclass::GetFileName();
}
//------------------------------------------------------------------------------
void vtkMetaImageWriter::Write()
{
this->SetErrorCode(vtkErrorCode::NoError);
vtkDemandDrivenPipeline::SafeDownCast(this->GetInputExecutive(0, 0))->UpdateInformation();
// Error checking
if (this->GetInput() == nullptr)
{
vtkErrorMacro(<< "Write:Please specify an input!");
return;
}
if (!this->MHDFileName)
{
vtkErrorMacro("Output file name not specified");
return;
}
int nDims = 3;
int* ext = this->GetInputInformation(0, 0)->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT());
if (ext[4] == ext[5])
{
nDims = 2;
if (ext[2] == ext[3])
{
nDims = 1;
}
}
this->GetInputAlgorithm()->UpdateExtent(ext);
double origin[3];
double spacing[3];
this->GetInput()->GetOrigin(origin);
this->GetInput()->GetSpacing(spacing);
int dimSize[3];
dimSize[0] = ext[1] - ext[0] + 1;
dimSize[1] = ext[3] - ext[2] + 1;
dimSize[2] = ext[5] - ext[4] + 1;
vtkmetaio::MET_ValueEnumType elementType;
int scalarType = this->GetInput()->GetScalarType();
switch (scalarType)
{
case VTK_CHAR:
elementType = vtkmetaio::MET_CHAR;
break;
case VTK_SIGNED_CHAR:
elementType = vtkmetaio::MET_CHAR;
break;
case VTK_UNSIGNED_CHAR:
elementType = vtkmetaio::MET_UCHAR;
break;
case VTK_SHORT:
elementType = vtkmetaio::MET_SHORT;
break;
case VTK_UNSIGNED_SHORT:
elementType = vtkmetaio::MET_USHORT;
break;
case VTK_INT:
elementType = vtkmetaio::MET_INT;
break;
case VTK_UNSIGNED_INT:
elementType = vtkmetaio::MET_UINT;
break;
case VTK_LONG:
elementType = vtkmetaio::MET_LONG;
break;
case VTK_UNSIGNED_LONG:
elementType = vtkmetaio::MET_ULONG;
break;
case VTK_FLOAT:
elementType = vtkmetaio::MET_FLOAT;
break;
case VTK_DOUBLE:
elementType = vtkmetaio::MET_DOUBLE;
break;
default:
vtkErrorMacro("Unknown scalar type.");
return;
}
origin[0] += ext[0] * spacing[0];
origin[1] += ext[2] * spacing[1];
origin[2] += ext[4] * spacing[2];
int numberOfElements = this->GetInput()->GetNumberOfScalarComponents();
this->MetaImagePtr->InitializeEssential(nDims, dimSize, spacing, elementType, numberOfElements,
this->GetInput()->GetScalarPointer(ext[0], ext[2], ext[4]), false);
this->MetaImagePtr->Position(origin);
if (this->GetRAWFileName())
{
this->MetaImagePtr->ElementDataFileName(this->GetRAWFileName());
}
this->SetFileDimensionality(nDims);
this->MetaImagePtr->CompressedData(Compress);
this->InvokeEvent(vtkCommand::StartEvent);
this->UpdateProgress(0.0);
this->MetaImagePtr->Write(this->MHDFileName);
this->UpdateProgress(1.0);
this->InvokeEvent(vtkCommand::EndEvent);
}
//------------------------------------------------------------------------------
void vtkMetaImageWriter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "MHDFileName: " << (this->MHDFileName ? this->MHDFileName : "(none)") << endl;
}
VTK_ABI_NAMESPACE_END
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