//---------------------------------------------------------------------------- // Anti-Grain Geometry - Version 2.4 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) // // Permission to copy, use, modify, sell and distribute this software // is granted provided this copyright notice appears in all copies. // This software is provided "as is" without express or implied // warranty, and with no claim as to its suitability for any purpose. // //---------------------------------------------------------------------------- // Contact: mcseem@antigrain.com // mcseemagg@yahoo.com // http://www.antigrain.com //---------------------------------------------------------------------------- // // class conv_transform // //---------------------------------------------------------------------------- #ifndef AGG_CONV_TRANSFORM_INCLUDED #define AGG_CONV_TRANSFORM_INCLUDED #include "agg_basics.h" #include "agg_trans_affine.h" namespace agg { //----------------------------------------------------------conv_transform template<class VertexSource, class Transformer=trans_affine> class conv_transform { public: conv_transform(VertexSource& source, Transformer& tr) : m_source(&source), m_trans(&tr) {} void attach(VertexSource& source) { m_source = &source; } void rewind(unsigned path_id) { m_source->rewind(path_id); } unsigned vertex(double* x, double* y) { unsigned cmd = m_source->vertex(x, y); if(is_vertex(cmd)) { m_trans->transform(x, y); } return cmd; } void transformer(Transformer& tr) { m_trans = &tr; } private: conv_transform(const conv_transform<VertexSource>&); const conv_transform<VertexSource>& operator = (const conv_transform<VertexSource>&); VertexSource* m_source; const Transformer* m_trans; }; } #endif