//---------------------------------------------------------------------------- // 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 //---------------------------------------------------------------------------- #ifndef AGG_TRANS_SINGLE_PATH_INCLUDED #define AGG_TRANS_SINGLE_PATH_INCLUDED #include "agg_basics.h" #include "agg_vertex_sequence.h" namespace agg { // See also: agg_trans_single_path.cpp // //-------------------------------------------------------trans_single_path class trans_single_path { enum status_e { initial, making_path, ready }; public: typedef vertex_sequence<vertex_dist, 6> vertex_storage; trans_single_path(); //-------------------------------------------------------------------- void base_length(double v) { m_base_length = v; } double base_length() const { return m_base_length; } //-------------------------------------------------------------------- void preserve_x_scale(bool f) { m_preserve_x_scale = f; } bool preserve_x_scale() const { return m_preserve_x_scale; } //-------------------------------------------------------------------- void reset(); void move_to(double x, double y); void line_to(double x, double y); void finalize_path(); //-------------------------------------------------------------------- template<class VertexSource> void add_path(VertexSource& vs, unsigned path_id=0) { double x; double y; unsigned cmd; vs.rewind(path_id); while(!is_stop(cmd = vs.vertex(&x, &y))) { if(is_move_to(cmd)) { move_to(x, y); } else { if(is_vertex(cmd)) { line_to(x, y); } } } finalize_path(); } //-------------------------------------------------------------------- double total_length() const; void transform(double *x, double *y) const; private: vertex_storage m_src_vertices; double m_base_length; double m_kindex; status_e m_status; bool m_preserve_x_scale; }; } #endif