EditableMesh.h

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#ifndef SIMPT_EDITOR_EDITABLE_MESH_H_INCLUDED
#define SIMPT_EDITOR_EDITABLE_MESH_H_INCLUDED
/*
 * Copyright 2011-2016 Universiteit Antwerpen
 *
 * Licensed under the EUPL, Version 1.1 or  as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at: http://ec.europa.eu/idabc/eupl5
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing
 * permissions and limitations under the Licence.
 */
#include "bio/Mesh.h"

#include <boost/property_tree/ptree.hpp>
#include <QLineF>
#include <QPolygonF>

namespace SimPT_Editor {

using namespace SimPT_Sim;

class EditableMesh
{
public:
        EditableMesh(const boost::property_tree::ptree& pt);

        ~EditableMesh();

        bool CanSplitCell(Node* node1, Node* node2, Cell* cell = nullptr) const;

        Cell* CreateCell(Node* node1, Node* node2, const QPointF& newPoint);

        void DeleteCells(const std::list<Cell*>& cells);

        bool DeleteTwoDegreeNode(Node* node);

        bool DisplaceNode(Node* node, double x, double y);

        std::shared_ptr<SimPT_Sim::Mesh>& GetMesh();

        bool IsDeletableCell(Cell* cell) const;

        bool IsDeletableNode(Node* node) const;

        void ReplaceCell(Cell* cell, std::list<QPolygonF> newCells);

        Node* SplitEdge(const Edge& edge);

        std::vector<Cell*> SplitCell(Node* node1, Node* node2);

        std::vector<Cell*> SplitCell(Cell* cell, Node* node1, Node* node2);

private:
        bool DeleteTwoDegreeNodeInconsistent(Node* node);

        void FixCellIDs();

        void FixNodeIDs();

        void FixWallIDs();

        bool IsConsistent(const std::list<QLineF>& excluded, const std::list<QLineF>& included) const;

        bool IsConsistent(Node* node) const;

        void SetAtBoundary(Node* node);

private:
        std::shared_ptr<SimPT_Sim::Mesh>      m_mesh;
        std::vector<Cell*>&    m_cells;
        std::vector<Node*>&    m_nodes;
        std::vector<Wall*>&    m_walls;

        static constexpr double g_accuracy = 1.0e-12;   // Needed for floating-point errors in Qt intersections.
};

} // namespace

#endif // end_of_include_guard