edge.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
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 * Copyright(C) 2021-2025                                                    *
 * Visual Computing Lab                                                      *
 * ISTI - Italian National Research Council                                  *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the              *
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#ifndef VCL_MESH_ELEMENTS_EDGE_H
#define VCL_MESH_ELEMENTS_EDGE_H
 
#include "base/element.h"
#include "edge_components.h"
 
namespace vcl {
 
template<typename MeshType, comp::ComponentConcept... Comps>
class Edge : public Element<ElemId::EDGE, MeshType, Comps...>
{
    // VertexPointers or VertexIndices component of the Edge
    using VRefs = typename Edge::VertexReferences;
 
public:
    using VertexType = VRefs::VertexType;
    using VRefs::setVertices;
 
    Edge() = default;
 
    friend void swap(Edge& a, Edge& b) { a.swap(b); }
 
    void setVertices(VertexType* v0, VertexType* v1)
    {
        VRefs::setVertex(0u, v0);
        VRefs::setVertex(1u, v1);
    }
 
    void setVertices(uint vi0, uint vi1)
    {
        VRefs::setVertex(0u, vi0);
        VRefs::setVertex(1u, vi1);
    }
};
 
template<typename MeshType, comp::ComponentConcept... Comps>
class Edge<MeshType, TypeWrapper<Comps...>> : public Edge<MeshType, Comps...>
{
};
 
/* Concepts */
 
template<typename T>
concept EdgeConcept =
    IsDerivedFromSpecializationOfV<T, Edge> &&
    RemoveRef<T>::ELEMENT_ID == ElemId::EDGE && edge::HasBitFlags<T> &&
    edge::HasVertexReferences<T> && RemoveRef<T>::VERTEX_NUMBER == 2;
 
} // namespace vcl
 
#endif // VCL_MESH_ELEMENTS_EDGE_H