//---------------------------------------------------------------------------- // 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_VCGEN_STROKE_INCLUDED #define AGG_VCGEN_STROKE_INCLUDED #include "agg_math_stroke.h" namespace agg { //============================================================vcgen_stroke // // See Implementation agg_vcgen_stroke.cpp // Stroke generator // //------------------------------------------------------------------------ class vcgen_stroke { enum status_e { initial, ready, cap1, cap2, outline1, close_first, outline2, out_vertices, end_poly1, end_poly2, stop }; public: typedef vertex_sequence<vertex_dist, 6> vertex_storage; typedef pod_bvector<point_d, 6> coord_storage; vcgen_stroke(); void line_cap(line_cap_e lc) { m_stroker.line_cap(lc); } void line_join(line_join_e lj) { m_stroker.line_join(lj); } void inner_join(inner_join_e ij) { m_stroker.inner_join(ij); } line_cap_e line_cap() const { return m_stroker.line_cap(); } line_join_e line_join() const { return m_stroker.line_join(); } inner_join_e inner_join() const { return m_stroker.inner_join(); } void width(double w) { m_stroker.width(w); } void miter_limit(double ml) { m_stroker.miter_limit(ml); } void miter_limit_theta(double t) { m_stroker.miter_limit_theta(t); } void inner_miter_limit(double ml) { m_stroker.inner_miter_limit(ml); } void approximation_scale(double as) { m_stroker.approximation_scale(as); } double width() const { return m_stroker.width(); } double miter_limit() const { return m_stroker.miter_limit(); } double inner_miter_limit() const { return m_stroker.inner_miter_limit(); } double approximation_scale() const { return m_stroker.approximation_scale(); } void shorten(double s) { m_shorten = s; } double shorten() const { return m_shorten; } // Vertex Generator Interface void remove_all(); void add_vertex(double x, double y, unsigned cmd); // Vertex Source Interface void rewind(unsigned path_id); unsigned vertex(double* x, double* y); private: vcgen_stroke(const vcgen_stroke&); const vcgen_stroke& operator = (const vcgen_stroke&); math_stroke<coord_storage> m_stroker; vertex_storage m_src_vertices; coord_storage m_out_vertices; double m_shorten; unsigned m_closed; status_e m_status; status_e m_prev_status; unsigned m_src_vertex; unsigned m_out_vertex; }; } #endif