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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkPolyPointSource.h"
#include "vtkCellArray.h"
#include "vtkIdList.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkSmartPointer.h"
//------------------------------------------------------------------------------
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkPolyPointSource);
vtkCxxSetObjectMacro(vtkPolyPointSource, Points, vtkPoints);
//------------------------------------------------------------------------------
vtkPolyPointSource::vtkPolyPointSource()
{
this->Points = nullptr;
this->SetNumberOfInputPorts(0);
}
//------------------------------------------------------------------------------
vtkPolyPointSource::~vtkPolyPointSource()
{
if (this->Points)
{
this->Points->Delete();
}
}
//------------------------------------------------------------------------------
vtkMTimeType vtkPolyPointSource::GetMTime()
{
vtkMTimeType mTime = this->Superclass::GetMTime();
vtkMTimeType time;
if (this->Points != nullptr)
{
time = this->Points->GetMTime();
mTime = (time > mTime ? time : mTime);
}
return mTime;
}
//------------------------------------------------------------------------------
void vtkPolyPointSource::SetNumberOfPoints(vtkIdType numPoints)
{
if (!this->Points)
{
vtkPoints* pts = vtkPoints::New(VTK_DOUBLE);
this->SetPoints(pts);
this->Points = pts;
pts->Delete();
}
if (numPoints != this->GetNumberOfPoints())
{
this->Points->SetNumberOfPoints(numPoints);
this->Modified();
}
}
//------------------------------------------------------------------------------
vtkIdType vtkPolyPointSource::GetNumberOfPoints()
{
if (this->Points)
{
return this->Points->GetNumberOfPoints();
}
return 0;
}
//------------------------------------------------------------------------------
void vtkPolyPointSource::Resize(vtkIdType numPoints)
{
if (!this->Points)
{
this->SetNumberOfPoints(numPoints);
}
if (numPoints != this->GetNumberOfPoints())
{
this->Points->Resize(numPoints);
this->Modified();
}
}
//------------------------------------------------------------------------------
void vtkPolyPointSource::SetPoint(vtkIdType id, double x, double y, double z)
{
if (!this->Points)
{
return;
}
if (id >= this->Points->GetNumberOfPoints())
{
vtkErrorMacro(<< "point id " << id << " is larger than the number of points");
return;
}
this->Points->SetPoint(id, x, y, z);
this->Modified();
}
//------------------------------------------------------------------------------
int vtkPolyPointSource::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(numPoints);
for (vtkIdType i = 0; i < numPoints; ++i)
{
pointIds->SetId(i, i);
}
vtkSmartPointer<vtkCellArray> PolyPoint = vtkSmartPointer<vtkCellArray>::New();
PolyPoint->InsertNextCell(pointIds);
output->SetPoints(this->Points);
output->SetVerts(PolyPoint);
return 1;
}
//------------------------------------------------------------------------------
void vtkPolyPointSource::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Points: " << this->Points << "\n";
}
VTK_ABI_NAMESPACE_END
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