83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
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//----------------------------------------------------------------------------
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// Anti-Grain Geometry - Version 2.4
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// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
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//
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//
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//----------------------------------------------------------------------------
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// Contact: mcseem@antigrain.com
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// mcseemagg@yahoo.com
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// http://www.antigrain.com
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//----------------------------------------------------------------------------
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//
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// Simple arrowhead/arrowtail generator
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//
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//----------------------------------------------------------------------------
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#ifndef AGG_ARROWHEAD_INCLUDED
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#define AGG_ARROWHEAD_INCLUDED
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#include "agg_basics.h"
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namespace agg
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{
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//===============================================================arrowhead
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//
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// See implementation agg_arrowhead.cpp
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//
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class arrowhead
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{
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public:
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arrowhead();
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void head(double d1, double d2, double d3, double d4)
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{
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m_head_d1 = d1;
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m_head_d2 = d2;
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m_head_d3 = d3;
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m_head_d4 = d4;
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m_head_flag = true;
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}
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void head() { m_head_flag = true; }
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void no_head() { m_head_flag = false; }
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void tail(double d1, double d2, double d3, double d4)
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{
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m_tail_d1 = d1;
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m_tail_d2 = d2;
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m_tail_d3 = d3;
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m_tail_d4 = d4;
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m_tail_flag = true;
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}
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void tail() { m_tail_flag = true; }
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void no_tail() { m_tail_flag = false; }
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void rewind(unsigned path_id);
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unsigned vertex(double* x, double* y);
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private:
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double m_head_d1;
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double m_head_d2;
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double m_head_d3;
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double m_head_d4;
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double m_tail_d1;
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double m_tail_d2;
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double m_tail_d3;
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double m_tail_d4;
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bool m_head_flag;
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bool m_tail_flag;
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double m_coord[16];
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unsigned m_cmd[8];
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unsigned m_curr_id;
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unsigned m_curr_coord;
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};
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}
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#endif
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