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shape_doc 0.1
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shape_doc 0.1
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00001 #ifndef SYNAPS_SHAPE_GAIA_LSEGMENT_H 00002 #define SYNAPS_SHAPE_GAIA_LSEGMENT_H 00003 00004 #include <shape/ssi_sample.hpp> 00005 00006 #define ParametricSurface shape::surface_parametric<double> 00007 00008 namespace mmx { 00009 00010 namespace shape_ssi 00011 { 00012 struct mark_t 00013 { 00014 rid_t head; 00015 coord_t j; 00016 vcode_t code; 00017 mark_t * next; 00018 inline coord_t a() { return j; }; 00019 inline coord_t b() { return (this+1)->a(); }; 00020 }; 00021 00022 struct lsegment : sample 00023 { 00024 typedef coord_t bounds_t[2]; 00025 00026 struct region_t 00027 { 00028 coord_t _umin, _umax; 00029 vcode_t _code; 00030 void * data; 00031 bool operator<( const region_t& b ) const { return _umin < b._umin; }; 00032 coord_t min ( coord_t u ) const { return ((bounds_t*)data)[u][0]; }; 00033 coord_t max ( coord_t u ) const { return ((bounds_t*)data)[u][1]; }; 00034 coord_t umin () const { return _umin; }; 00035 coord_t umax () const { return _umax; }; 00036 inline bool inside( coord_t u, coord_t v ) 00037 { 00038 if ( u >= umin() && u < umax() ) 00039 if ( v >= min(u) && v < max(u) ) return true; 00040 return false; 00041 }; 00042 vcode_t code() const { return _code; }; 00043 friend class lsegment_t; 00044 }; 00045 00046 mark_t * marks; 00047 unsigned _size; 00048 unsigned * lines; 00049 00050 00051 unsigned nmarks () const { return _size; }; 00052 void lines_changes(); 00053 public: 00054 00055 void rfree( region_t& r ) 00056 { 00057 free((void*)(((bounds_t*)(r.data)) + r._umin)); 00058 }; 00059 00060 00061 00062 mark_t * begin( unsigned i ) { return &(marks[lines[i]]); }; 00063 mark_t * end ( unsigned i ) { return &(marks[lines[i+1]-1]);}; 00064 00065 std::vector< region_t > regions; 00066 graph_t * grp; 00067 void pushm( vcode_t code, coord_t j ); 00068 void pushr( coord_t i, mark_t * p ); 00069 void addneighbors( mark_t * m0, mark_t * m1 ); 00070 void promote( region_t& r ); 00071 void convert_regions(); 00072 void find_regions(); 00073 public: 00074 double _lt; 00075 00076 lsegment( const ParametricSurface * s , unsigned _w, unsigned _h ); 00077 unsigned size() const { return regions.size(); }; 00078 region_t& operator[]( unsigned i ) { return regions[i]; }; 00079 00080 ~lsegment(); 00081 }; 00082 }; 00083 } //namespace mmx 00084 00085 # undef ParametricSurface 00086 # endif
