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AutoPropertyHandleT.hh
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42/*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $Date$ *
46 * *
47\*===========================================================================*/
48
49#ifndef OPENMESH_AutoPropertyHandleT_HH
50#define OPENMESH_AutoPropertyHandleT_HH
51
52//== INCLUDES =================================================================
53#include <assert.h>
54#include <string>
55
56//== NAMESPACES ===============================================================
57
58namespace OpenMesh {
59
60//== CLASS DEFINITION =========================================================
61
62template <class Mesh_, class PropertyHandle_>
63class AutoPropertyHandleT : public PropertyHandle_
64{
65public:
66 typedef Mesh_ Mesh;
67 typedef PropertyHandle_ PropertyHandle;
68 typedef PropertyHandle Base;
69 typedef typename PropertyHandle::Value Value;
70 typedef AutoPropertyHandleT<Mesh, PropertyHandle>
71 Self;
72protected:
73 Mesh* m_;
74 bool own_property_;//ref counting?
75
76public:
77 AutoPropertyHandleT()
78 : m_(NULL), own_property_(false)
79 {}
80
81 AutoPropertyHandleT(const Self& _other)
82 : Base(_other.idx()), m_(_other.m_), own_property_(false)
83 {}
84
85 explicit AutoPropertyHandleT(Mesh& _m, const std::string& _pp_name = std::string())
86 { add_property(_m, _pp_name); }
87
88 AutoPropertyHandleT(Mesh& _m, PropertyHandle _pph)
89 : Base(_pph.idx()), m_(&_m), own_property_(false)
90 {}
91
92 ~AutoPropertyHandleT()
93 {
94 if (own_property_)
95 {
96 m_->remove_property(*this);
97 }
98 }
99
100 inline void add_property(Mesh& _m, const std::string& _pp_name = std::string())
101 {
102 assert(!is_valid());
103 m_ = &_m;
104 own_property_ = _pp_name.empty() || !m_->get_property_handle(*this, _pp_name);
105 if (own_property_)
106 {
107 m_->add_property(*this, _pp_name);
108 }
109 }
110
111 inline void remove_property()
112 {
113 assert(own_property_);//only the owner can delete the property
114 m_->remove_property(*this);
115 own_property_ = false;
116 invalidate();
117 }
118
119 template <class _Handle>
120 inline Value& operator [] (_Handle _hnd)
121 { return m_->property(*this, _hnd); }
122
123 template <class _Handle>
124 inline const Value& operator [] (_Handle _hnd) const
125 { return m_->property(*this, _hnd); }
126
127 inline bool own_property() const
128 { return own_property_; }
129
130 inline void free_property()
131 { own_property_ = false; }
132};
133
134//=============================================================================
135} // namespace OpenMesh
136//=============================================================================
137#endif // OPENMESH_AutoPropertyHandleT_HH defined
138//=============================================================================
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:64

Project OpenMesh, ©  Computer Graphics Group, RWTH Aachen. Documentation generated using doxygen .