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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkPolyLineSource.h"
#include "vtkCellArray.h"
#include "vtkIdList.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkSmartPointer.h"
//------------------------------------------------------------------------------
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkPolyLineSource);
//------------------------------------------------------------------------------
vtkPolyLineSource::vtkPolyLineSource()
{
this->Closed = 0;
}
//------------------------------------------------------------------------------
vtkPolyLineSource::~vtkPolyLineSource() = default;
//------------------------------------------------------------------------------
int vtkPolyLineSource::RequestData(vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* outputVector)
{
// get the info object
vtkInformation* outInfo = outputVector->GetInformationObject(0);
// get the output
vtkPolyData* output = vtkPolyData::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkIdType numPoints = this->GetNumberOfPoints();
vtkSmartPointer<vtkIdList> pointIds = vtkSmartPointer<vtkIdList>::New();
pointIds->SetNumberOfIds(this->Closed ? numPoints + 1 : numPoints);
for (vtkIdType i = 0; i < numPoints; ++i)
{
pointIds->SetId(i, i);
}
if (this->Closed)
{
pointIds->SetId(numPoints, 0);
}
vtkSmartPointer<vtkCellArray> polyLine = vtkSmartPointer<vtkCellArray>::New();
polyLine->InsertNextCell(pointIds);
output->SetPoints(this->Points);
output->SetLines(polyLine);
return 1;
}
//------------------------------------------------------------------------------
void vtkPolyLineSource::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Closed: " << this->Closed << "\n";
}
VTK_ABI_NAMESPACE_END
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