Anti-Grain Geometry - AGG (libagg)
2.5
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00001 //---------------------------------------------------------------------------- 00002 // Anti-Grain Geometry (AGG) - Version 2.5 00003 // A high quality rendering engine for C++ 00004 // Copyright (C) 2002-2006 Maxim Shemanarev 00005 // Contact: mcseem@antigrain.com 00006 // mcseemagg@yahoo.com 00007 // http://antigrain.com 00008 // 00009 // AGG is free software; you can redistribute it and/or 00010 // modify it under the terms of the GNU General Public License 00011 // as published by the Free Software Foundation; either version 2 00012 // of the License, or (at your option) any later version. 00013 // 00014 // AGG is distributed in the hope that it will be useful, 00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 // GNU General Public License for more details. 00018 // 00019 // You should have received a copy of the GNU General Public License 00020 // along with AGG; if not, write to the Free Software 00021 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 00022 // MA 02110-1301, USA. 00023 //---------------------------------------------------------------------------- 00024 00025 #ifndef AGG_VCGEN_CONTOUR_INCLUDED 00026 #define AGG_VCGEN_CONTOUR_INCLUDED 00027 00028 #include "agg_math_stroke.h" 00029 00030 namespace agg 00031 { 00032 00033 //----------------------------------------------------------vcgen_contour 00034 // 00035 // See Implementation agg_vcgen_contour.cpp 00036 // 00037 class vcgen_contour 00038 { 00039 enum status_e 00040 { 00041 initial, 00042 ready, 00043 outline, 00044 out_vertices, 00045 end_poly, 00046 stop 00047 }; 00048 00049 public: 00050 typedef vertex_sequence<vertex_dist, 6> vertex_storage; 00051 typedef pod_bvector<point_d, 6> coord_storage; 00052 00053 vcgen_contour(); 00054 00055 void line_cap(line_cap_e lc) { m_stroker.line_cap(lc); } 00056 void line_join(line_join_e lj) { m_stroker.line_join(lj); } 00057 void inner_join(inner_join_e ij) { m_stroker.inner_join(ij); } 00058 00059 line_cap_e line_cap() const { return m_stroker.line_cap(); } 00060 line_join_e line_join() const { return m_stroker.line_join(); } 00061 inner_join_e inner_join() const { return m_stroker.inner_join(); } 00062 00063 void width(double w) { m_stroker.width(m_width = w); } 00064 void miter_limit(double ml) { m_stroker.miter_limit(ml); } 00065 void miter_limit_theta(double t) { m_stroker.miter_limit_theta(t); } 00066 void inner_miter_limit(double ml) { m_stroker.inner_miter_limit(ml); } 00067 void approximation_scale(double as) { m_stroker.approximation_scale(as); } 00068 00069 double width() const { return m_width; } 00070 double miter_limit() const { return m_stroker.miter_limit(); } 00071 double inner_miter_limit() const { return m_stroker.inner_miter_limit(); } 00072 double approximation_scale() const { return m_stroker.approximation_scale(); } 00073 00074 void auto_detect_orientation(bool v) { m_auto_detect = v; } 00075 bool auto_detect_orientation() const { return m_auto_detect; } 00076 00077 // Generator interface 00078 void remove_all(); 00079 void add_vertex(double x, double y, unsigned cmd); 00080 00081 // Vertex Source Interface 00082 void rewind(unsigned path_id); 00083 unsigned vertex(double* x, double* y); 00084 00085 private: 00086 vcgen_contour(const vcgen_contour&); 00087 const vcgen_contour& operator = (const vcgen_contour&); 00088 00089 math_stroke<coord_storage> m_stroker; 00090 double m_width; 00091 vertex_storage m_src_vertices; 00092 coord_storage m_out_vertices; 00093 status_e m_status; 00094 unsigned m_src_vertex; 00095 unsigned m_out_vertex; 00096 unsigned m_closed; 00097 unsigned m_orientation; 00098 bool m_auto_detect; 00099 }; 00100 00101 } 00102 00103 #endif