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82 lines
2.3 KiB
82 lines
2.3 KiB
//---------------------------------------------------------------------------- |
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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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