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ModBaseT.hh
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43
48 //=============================================================================
49 //
50 // CLASS ModBaseT
51 //
52 //=============================================================================
53
54 #ifndef OPENMESH_DECIMATER_MODBASET_HH
55 #define OPENMESH_DECIMATER_MODBASET_HH
56
57
58 //== INCLUDES =================================================================
59
60 #include <OpenMesh/Core/Utils/Noncopyable.hh>
61 #include <OpenMesh/Tools/Decimater/CollapseInfoT.hh>
62 #include <string>
63
64
65 //== NAMESPACE ================================================================
66
67 namespace OpenMesh {
68 namespace Decimater {
69
70
71 //== FORWARD DECLARATIONS =====================================================
72
73 template <typename Mesh> class BaseDecimaterT;
74
75
76 //== CLASS DEFINITION =========================================================
77
82 template <typename Module>
83 class ModHandleT : private Utils::Noncopyable
84 {
85 public:
86
87 typedef ModHandleT<Module> Self;
88 typedef Module module_type;
89
90 public:
91
93 ModHandleT() : mod_(NULL) {}
94
96 ~ModHandleT() { /* don't delete mod_, since handle is not owner! */ }
97
100 bool is_valid() const { return mod_ != NULL; }
101
102 private:
103
104 #if defined(OM_CC_MSVC)
105 friend class BaseDecimaterT;
106 #else
107 template <typename Mesh> friend class BaseDecimaterT;
108 #endif
109
110 void clear() { mod_ = NULL; }
111 void init(Module* _m) { mod_ = _m; }
112 Module* module() { return mod_; }
113
114
115 private:
116
117 Module* mod_;
118
119 };
120
121
122
123
124 //== CLASS DEFINITION =========================================================
125
126
127
130 #define DECIMATER_MODNAME(_mod_name) \
131 virtual const std::string& name() const { \
132 static std::string _s_modname_(#_mod_name); return _s_modname_; \
133 }
134
135
149 #define DECIMATING_MODULE(Classname, MeshT, Name) \
150 typedef Classname < MeshT > Self; \
151 typedef OpenMesh::Decimater::ModHandleT< Self > Handle; \
152 typedef OpenMesh::Decimater::ModBaseT< MeshT > Base; \
153 typedef typename Base::Mesh Mesh; \
154 typedef typename Base::CollapseInfo CollapseInfo; \
155 DECIMATER_MODNAME( Name )
156
157
158
159 //== CLASS DEFINITION =========================================================
160
161
191 template <typename MeshT>
192 class ModBaseT
193 {
194 public:
195 typedef MeshT Mesh;
196 typedef CollapseInfoT<MeshT> CollapseInfo;
197
198 enum {
199 ILLEGAL_COLLAPSE = -1,
200 LEGAL_COLLAPSE = 0
201 };
202
203 protected:
204
207 ModBaseT(MeshT& _mesh, bool _is_binary)
208 : error_tolerance_factor_(1.0), mesh_(_mesh), is_binary_(_is_binary) {}
209
210 public:
211
213 virtual ~ModBaseT() { }
214
216 DECIMATER_MODNAME(ModBase);
217
218
220 bool is_binary(void) const { return is_binary_; }
221
223 void set_binary(bool _b) { is_binary_ = _b; }
224
225
226 public: // common interface
227
229 virtual void initialize() { }
230
245 virtual float collapse_priority(const CollapseInfoT<MeshT>& /* _ci */)
246 { return LEGAL_COLLAPSE; }
247
251 virtual void preprocess_collapse(const CollapseInfoT<MeshT>& /* _ci */)
252 {}
253
257 virtual void postprocess_collapse(const CollapseInfoT<MeshT>& /* _ci */)
258 {}
259
268 virtual void set_error_tolerance_factor(double _factor) {
269 if (_factor >= 0.0 && _factor <= 1.0)
270 error_tolerance_factor_ = _factor;
271 }
272
273
274 protected:
275
277 MeshT& mesh() { return mesh_; }
278
279 // current percentage of the original constraint
280 double error_tolerance_factor_;
281
282 private:
283
284 // hide copy constructor & assignemnt
285 ModBaseT(const ModBaseT& _cpy);
286 ModBaseT& operator=(const ModBaseT& );
287
288 MeshT& mesh_;
289
290 bool is_binary_;
291 };
292
293
294 //=============================================================================
295 } // namespace Decimater
296 } // namespace OpenMesh
297 //=============================================================================
298 #endif // OPENMESH_DECIMATER_MODBASE_HH defined
299 //=============================================================================
300
OpenMesh::Decimater::ModBaseT
Base class for all decimation modules.
Definition: ModBaseT.hh:192
OpenMesh::Utils::Noncopyable
This class demonstrates the non copyable idiom.
Definition: Noncopyable.hh:71
OpenMesh::Decimater::ModBaseT::is_binary
bool is_binary(void) const
Returns true if criteria returns a binary value.
Definition: ModBaseT.hh:220
CollapseInfoT.hh
Provides data class CollapseInfoT for storing all information about a halfedge collapse.
OpenMesh::Decimater::ModHandleT::is_valid
bool is_valid() const
Check handle status.
Definition: ModBaseT.hh:100
OpenMesh::Decimater::ModBaseT::~ModBaseT
virtual ~ModBaseT()
Virtual desctructor.
Definition: ModBaseT.hh:213
OpenMesh::Decimater::ModBaseT::collapse_priority
virtual float collapse_priority(const CollapseInfoT< MeshT > &)
Return collapse priority.
Definition: ModBaseT.hh:245
DECIMATER_MODNAME
#define DECIMATER_MODNAME(_mod_name)
Macro that sets up the name() function.
Definition: ModBaseT.hh:130
OpenMesh::Decimater::ModBaseT::postprocess_collapse
virtual void postprocess_collapse(const CollapseInfoT< MeshT > &)
After _from_vh has been collapsed into _to_vh, this method will be called.
Definition: ModBaseT.hh:257
OpenMesh::Decimater::BaseDecimaterT
Definition: BaseDecimaterT.hh:85
OpenMesh::Decimater::ModHandleT::~ModHandleT
~ModHandleT()
Destructor.
Definition: ModBaseT.hh:96
OpenMesh::Decimater::ModBaseT::set_binary
void set_binary(bool _b)
Set whether module is binary or not.
Definition: ModBaseT.hh:223
OpenMesh::Decimater::ModHandleT::ModHandleT
ModHandleT()
Default constructor.
Definition: ModBaseT.hh:93
OpenMesh::Decimater::ModBaseT::preprocess_collapse
virtual void preprocess_collapse(const CollapseInfoT< MeshT > &)
Before _from_vh has been collapsed into _to_vh, this method will be called.
Definition: ModBaseT.hh:251
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::Decimater::ModBaseT::set_error_tolerance_factor
virtual void set_error_tolerance_factor(double _factor)
This provides a function that allows the setting of a percentage of the original contraint.
Definition: ModBaseT.hh:268
OpenMesh::Decimater::ModHandleT
Handle for mesh decimation modules.
Definition: ModBaseT.hh:83
OpenMesh::Decimater::ModBaseT::initialize
virtual void initialize()
Initialize module-internal stuff.
Definition: ModBaseT.hh:229
OpenMesh::Decimater::CollapseInfoT
Stores information about a halfedge collapse.
Definition: CollapseInfoT.hh:74
OpenMesh::Decimater::ModBaseT::ModBaseT
ModBaseT(MeshT &_mesh, bool _is_binary)
Default constructor.
Definition: ModBaseT.hh:207
OpenMesh::Decimater::ModBaseT::mesh
MeshT & mesh()
Access the mesh associated with the decimater.
Definition: ModBaseT.hh:277