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AutoPropertyHandleT.hh
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#ifndef OPENMESH_AutoPropertyHandleT_HH
#define OPENMESH_AutoPropertyHandleT_HH
//== INCLUDES =================================================================
#include <assert.h>
#include <string>
//== NAMESPACES ===============================================================
namespace OpenMesh {
//== CLASS DEFINITION =========================================================
template <class Mesh_, class PropertyHandle_>
class AutoPropertyHandleT : public PropertyHandle_
{
public:
typedef Mesh_ Mesh;
typedef PropertyHandle_ PropertyHandle;
typedef PropertyHandle Base;
typedef typename PropertyHandle::Value Value;
typedef AutoPropertyHandleT<Mesh, PropertyHandle>
Self;
protected:
Mesh* m_;
bool own_property_;//ref counting?
public:
AutoPropertyHandleT()
: m_(nullptr), own_property_(false)
{}
AutoPropertyHandleT(const Self& _other)
: Base(_other.idx()), m_(_other.m_), own_property_(false)
{}
explicit AutoPropertyHandleT(Mesh& _m, const std::string& _pp_name = std::string())
{ add_property(_m, _pp_name); }
AutoPropertyHandleT(Mesh& _m, PropertyHandle _pph)
: Base(_pph.idx()), m_(&_m), own_property_(false)
{}
~AutoPropertyHandleT()
{
if (own_property_)
{
m_->remove_property(*this);
}
}
inline void add_property(Mesh& _m, const std::string& _pp_name = std::string())
{
assert(!is_valid());
m_ = &_m;
own_property_ = _pp_name.empty() || !m_->get_property_handle(*this, _pp_name);
if (own_property_)
{
m_->add_property(*this, _pp_name);
}
}
inline void remove_property()
{
assert(own_property_);//only the owner can delete the property
m_->remove_property(*this);
own_property_ = false;
invalidate();
}
template <class _Handle>
inline Value& operator [] (_Handle _hnd)
{ return m_->property(*this, _hnd); }
template <class _Handle>
inline const Value& operator [] (_Handle _hnd) const
{ return m_->property(*this, _hnd); }
inline bool own_property() const
{ return own_property_; }
inline void free_property()
{ own_property_ = false; }
};
//=============================================================================
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_AutoPropertyHandleT_HH defined
//=============================================================================
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:59
OpenMesh::AutoPropertyHandleT
Definition AutoPropertyHandleT.hh:59