You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.3 KiB
83 lines
2.3 KiB
2 years ago
|
//----------------------------------------------------------------------------
|
||
|
// 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
|