//----------------------------------------------------------------------------// 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////----------------------------------------------------------------------------#ifndef AGG_ARROWHEAD_INCLUDED#define AGG_ARROWHEAD_INCLUDED#include "agg_basics.h"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;};}#endif