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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
/*=========================================================================
*
* Portions of this file are subject to the VTK Toolkit Version 3 copyright.
*
* Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
*
* For complete copyright, license and disclaimer of warranty information
* please refer to the NOTICE file at the top of the ITK source tree.
*
*=========================================================================*/
#ifndef itkPolygonCell_h
#define itkPolygonCell_h
#include "itkLineCell.h"
#include "itkPoint.h"
#include <vector>
#include <deque>
namespace itk
{
/** \class PolygonCell
* \brief Represents a polygon in a Mesh.
*
* PolygonCell represents a polygon for a Mesh.
* the points of the polygon can be dynamically changed.
*
* \tparam TPixelType The type associated with a point, cell, or boundary
* for use in storing its data.
*
* \tparam TCellTraits Type information of mesh containing cell.
*
* \ingroup MeshObjects
* \ingroup ITKCommon
*/
template <typename TCellInterface>
class ITK_TEMPLATE_EXPORT PolygonCell : public TCellInterface
{
public:
ITK_DISALLOW_COPY_AND_MOVE(PolygonCell);
/** Standard class type aliases. */
itkCellCommonTypedefs(PolygonCell);
itkCellInheritedTypedefs(TCellInterface);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(PolygonCell);
/** Save some template parameter information. */
static constexpr unsigned int CellDimension = 2;
/** The type of boundary for this triangle's vertices. */
using VertexType = VertexCell<TCellInterface>;
using VertexAutoPointer = typename VertexType::SelfAutoPointer;
/** The type of boundary for this triangle's edges. */
using EdgeType = LineCell<TCellInterface>;
using EdgeAutoPointer = typename EdgeType::SelfAutoPointer;
using EdgeInfo = FixedArray<int, 2>;
using EdgeInfoDQ = std::deque<EdgeInfo>;
/** Need to add POLYGON_CELL into CellInterface. */
itkCellVisitMacro(CellGeometryEnum::POLYGON_CELL);
/** Implement the standard CellInterface. */
CellGeometryEnum
GetType() const override
{
return CellGeometryEnum::POLYGON_CELL;
}
void
MakeCopy(CellAutoPointer &) const override;
unsigned int
GetDimension() const override;
unsigned int
GetNumberOfPoints() const override;
CellFeatureCount
GetNumberOfBoundaryFeatures(int dimension) const override;
bool
GetBoundaryFeature(int dimension, CellFeatureIdentifier, CellAutoPointer &) override;
void
SetPointIds(PointIdConstIterator first) override;
void
SetPointIds(PointIdConstIterator first, PointIdConstIterator last) override;
void AddPointId(PointIdentifier);
void RemovePointId(PointIdentifier);
void
SetPointIds(int dummy, int num, PointIdConstIterator first);
void
BuildEdges();
void
ClearPoints();
void
SetPointId(int localId, PointIdentifier) override;
PointIdIterator
PointIdsBegin() override;
PointIdConstIterator
PointIdsBegin() const override;
PointIdIterator
PointIdsEnd() override;
PointIdConstIterator
PointIdsEnd() const override;
/** Polygon-specific interface. */
virtual CellFeatureCount
GetNumberOfVertices() const;
virtual CellFeatureCount
GetNumberOfEdges() const;
virtual bool
GetVertex(CellFeatureIdentifier, VertexAutoPointer &);
virtual bool
GetEdge(CellFeatureIdentifier, EdgeAutoPointer &);
/** Constructor and destructor */
PolygonCell() = default;
PolygonCell(PointIdentifier NumberOfPoints)
{
for (PointIdentifier i = 0; i < NumberOfPoints; ++i)
{
m_PointIds.push_back(NumericTraits<PointIdentifier>::max());
}
this->BuildEdges();
}
~PolygonCell() override = default;
protected:
std::vector<EdgeInfo> m_Edges{};
std::vector<PointIdentifier> m_PointIds{};
};
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkPolygonCell.hxx"
#endif
#endif
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