headers/libs/agg/agg_vcgen_markers_term.h

   1 //----------------------------------------------------------------------------
   2 // Anti-Grain Geometry - Version 2.4
   3 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
   4 //
   5 // Permission to copy, use, modify, sell and distribute this software
   6 // is granted provided this copyright notice appears in all copies.
   7 // This software is provided "as is" without express or implied
   8 // warranty, and with no claim as to its suitability for any purpose.
   9 //
  10 //----------------------------------------------------------------------------
  11 // Contact: mcseem@antigrain.com
  12 //          mcseemagg@yahoo.com
  13 //          http://www.antigrain.com
  14 //----------------------------------------------------------------------------
  15
  16 #ifndef AGG_VCGEN_MARKERS_TERM_INCLUDED
  17 #define AGG_VCGEN_MARKERS_TERM_INCLUDED
  18
  19 #include "agg_basics.h"
  20 #include "agg_vertex_sequence.h"
  21
  22 namespace agg
  23 {
  24
  25     //======================================================vcgen_markers_term
  26     //
  27     // See Implemantation agg_vcgen_markers_term.cpp
  28     // Terminal markers generator (arrowhead/arrowtail)
  29     //
  30     //------------------------------------------------------------------------
  31     class vcgen_markers_term
  32     {
  33     public:
  34         vcgen_markers_term() : m_curr_id(0), m_curr_idx(0) {}
  35
  36         // Vertex Generator Interface
  37         void remove_all();
  38         void add_vertex(double x, double y, unsigned cmd);
  39
  40         // Vertex Source Interface
  41         void rewind(unsigned path_id);
  42         unsigned vertex(double* x, double* y);
  43
  44     private:
  45         vcgen_markers_term(const vcgen_markers_term&);
  46         const vcgen_markers_term& operator = (const vcgen_markers_term&);
  47
  48         struct coord_type
  49         {
  50             double x, y;
  51
  52             coord_type() {}
  53             coord_type(double x_, double y_) : x(x_), y(y_) {}
  54         };
  55
  56         typedef pod_bvector<coord_type, 6> coord_storage;
  57
  58         coord_storage m_markers;
  59         unsigned      m_curr_id;
  60         unsigned      m_curr_idx;
  61     };
  62
  63
  64 }
  65
  66 #endif