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
|
/*
* legend.h -- Plot/figure legend class
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Version 1.1.11
* Last Change: August 16, 2007
*/
/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
* Department of Mathematics and Computer Science
* College of the Holy Cross
* Worcester, MA, 01610-2395, USA
*/
/*
* ePiX is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* ePiX is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ePiX; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef EPIX_LEGEND
#define EPIX_LEGEND
#include <string>
#include "enums.h"
#include "Color.h"
namespace ePiX {
class legend_item;
class P;
class legend {
public:
legend();
legend(const legend&);
legend& operator=(const legend&);
~legend();
// add items; get key style from drawing state
legend& fill_item(const std::string&); // solid color
legend& path_item(const std::string&); // line
legend& mark_item(epix_mark_type, const std::string&); // marker
// decorations
legend& backing(const Color&);
legend& border(const Color&, double);
legend& border(double); // line width in pt
// item attributes
legend& item_border(const Color&, double);
legend& item_border(double);
legend& label_skip(double); //
legend& key_size(double); // size of legend keys in pt
void draw(const P& loc, const P& offset=P(0,0),
epix_label_posn align=tr) const;
private:
Color m_backing;
Color m_bord;
double m_bord_width;
Color m_item_bord;
double m_item_bord_width;
double m_key_size;
double m_label_skip;
std::list<legend_item*> m_items;
}; // end of legend class
} // end of namespace
#endif /* EPIX_LEGEND */
|
