headers/libs/agg/agg_conv_shorten_path.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_CONV_SHORTEN_PATH_INCLUDED
  17 #define AGG_CONV_SHORTEN_PATH_INCLUDED
  18
  19 #include "agg_basics.h"
  20 #include "agg_conv_adaptor_vcgen.h"
  21 #include "agg_vcgen_vertex_sequence.h"
  22
  23 namespace agg
  24 {
  25
  26     //=======================================================conv_shorten_path
  27     template<class VertexSource>  class conv_shorten_path :
  28     public conv_adaptor_vcgen<VertexSource, vcgen_vertex_sequence>
  29     {
  30     public:
  31         typedef conv_adaptor_vcgen<VertexSource, vcgen_vertex_sequence> base_type;
  32
  33         conv_shorten_path(VertexSource& vs) :
  34             conv_adaptor_vcgen<VertexSource, vcgen_vertex_sequence>(vs)
  35         {
  36         }
  37
  38         void shorten(double s) { base_type::generator().shorten(s); }
  39         double shorten() const { return base_type::generator().shorten(); }
  40
  41     private:
  42         conv_shorten_path(const conv_shorten_path<VertexSource>&);
  43         const conv_shorten_path<VertexSource>&
  44             operator = (const conv_shorten_path<VertexSource>&);
  45     };
  46
  47
  48 }
  49
  50 #endif