1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
//----------------------------------------------------------------------------
// Anti-Grain Geometry - Version 2.3
// 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
//----------------------------------------------------------------------------
#ifndef AGG_VCGEN_STROKE_INCLUDED
#define AGG_VCGEN_STROKE_INCLUDED
#include "agg_math_stroke.h"
namespace agg
{
class vcgen_stroke
{
enum status_e {
initial,
ready,
cap1,
cap2,
outline1,
close_first,
outline2,
out_vertices,
end_poly1,
end_poly2,
stop
};
public:
typedef vertex_sequence<vertex_dist_cmd, 6> vertex_storage;
typedef pod_deque<point_type, 6> coord_storage;
vcgen_stroke();
void line_cap(line_cap_e lc)
{
m_line_cap = lc;
}
void line_join(line_join_e lj)
{
m_line_join = lj;
}
void inner_join(inner_join_e ij)
{
m_inner_join = ij;
}
line_cap_e line_cap() const
{
return m_line_cap;
}
line_join_e line_join() const
{
return m_line_join;
}
inner_join_e inner_join() const
{
return m_inner_join;
}
void width(FX_FLOAT w)
{
m_width = w / 2;
}
void miter_limit(FX_FLOAT ml)
{
m_miter_limit = ml;
}
void miter_limit_theta(FX_FLOAT t);
void inner_miter_limit(FX_FLOAT ml)
{
m_inner_miter_limit = ml;
}
void approximation_scale(FX_FLOAT as)
{
m_approx_scale = as;
}
FX_FLOAT width() const
{
return m_width * 2;
}
FX_FLOAT miter_limit() const
{
return m_miter_limit;
}
FX_FLOAT inner_miter_limit() const
{
return m_inner_miter_limit;
}
FX_FLOAT approximation_scale() const
{
return m_approx_scale;
}
void remove_all();
void add_vertex(FX_FLOAT x, FX_FLOAT y, unsigned cmd);
void rewind(unsigned path_id);
unsigned vertex(FX_FLOAT* x, FX_FLOAT* y);
private:
vcgen_stroke(const vcgen_stroke&);
const vcgen_stroke& operator = (const vcgen_stroke&);
vertex_storage m_src_vertices;
coord_storage m_out_vertices;
FX_FLOAT m_width;
FX_FLOAT m_miter_limit;
FX_FLOAT m_inner_miter_limit;
FX_FLOAT m_approx_scale;
line_cap_e m_line_cap;
line_join_e m_line_join;
inner_join_e m_inner_join;
unsigned m_closed;
status_e m_status;
status_e m_prev_status;
unsigned m_src_vertex;
unsigned m_out_vertex;
};
}
#endif
|
