| //---------------------------------------------------------------------------- | |
| // 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 | |
| //---------------------------------------------------------------------------- | |
| // | |
| // Simple arrowhead/arrowtail generator | |
| // | |
| //---------------------------------------------------------------------------- | |
| namespace agg | |
| { | |
| //===============================================================arrowhead | |
| // | |
| // See implementation agg_arrowhead.cpp | |
| // | |
| class arrowhead | |
| { | |
| public: | |
| arrowhead(); | |
| void head(double d1, double d2, double d3, double d4) | |
| { | |
| m_head_d1 = d1; | |
| m_head_d2 = d2; | |
| m_head_d3 = d3; | |
| m_head_d4 = d4; | |
| m_head_flag = true; | |
| } | |
| void head() { m_head_flag = true; } | |
| void no_head() { m_head_flag = false; } | |
| void tail(double d1, double d2, double d3, double d4) | |
| { | |
| m_tail_d1 = d1; | |
| m_tail_d2 = d2; | |
| m_tail_d3 = d3; | |
| m_tail_d4 = d4; | |
| m_tail_flag = true; | |
| } | |
| void tail() { m_tail_flag = true; } | |
| void no_tail() { m_tail_flag = false; } | |
| void rewind(unsigned path_id); | |
| unsigned vertex(double* x, double* y); | |
| private: | |
| double m_head_d1; | |
| double m_head_d2; | |
| double m_head_d3; | |
| double m_head_d4; | |
| double m_tail_d1; | |
| double m_tail_d2; | |
| double m_tail_d3; | |
| double m_tail_d4; | |
| bool m_head_flag; | |
| bool m_tail_flag; | |
| double m_coord[16]; | |
| unsigned m_cmd[8]; | |
| unsigned m_curr_id; | |
| unsigned m_curr_coord; | |
| }; | |
| } | |