//---------------------------------------------------------------------------- // Anti-Grain Geometry (AGG) - Version 2.5 // A high quality rendering engine for C++ // Copyright (C) 2002-2006 Maxim Shemanarev // Contact: mcseem@antigrain.com // mcseemagg@yahoo.com // http://antigrain.com // // AGG is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // AGG is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with AGG; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, // MA 02110-1301, USA. //---------------------------------------------------------------------------- #ifndef AGG_CONV_UNCLOSE_POLYGON_INCLUDED #define AGG_CONV_UNCLOSE_POLYGON_INCLUDED #include "agg_basics.h" namespace agg { //====================================================conv_unclose_polygon template<class VertexSource> class conv_unclose_polygon { public: explicit conv_unclose_polygon(VertexSource& vs) : m_source(&vs) {} 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_end_poly(cmd)) cmd &= ~path_flags_close; return cmd; } private: conv_unclose_polygon(const conv_unclose_polygon<VertexSource>&); const conv_unclose_polygon<VertexSource>& operator = (const conv_unclose_polygon<VertexSource>&); VertexSource* m_source; }; } #endif |