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
121
122
123
124
125
126
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/doc/tutorial2.doc:2 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>chart/element.h Example File</title>
<style type="text/css"><!--
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
--></style>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
<a href="index.html">
<font color="#004faf">Home</font></a>
| <a href="classes.html">
<font color="#004faf">All Classes</font></a>
| <a href="mainclasses.html">
<font color="#004faf">Main Classes</font></a>
| <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
| <a href="groups.html">
<font color="#004faf">Grouped Classes</font></a>
| <a href="functions.html">
<font color="#004faf">Functions</font></a>
</td>
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>chart/element.h Example File</h1>
<pre>#ifndef ELEMENT_H
#define ELEMENT_H
#include <<a href="qcolor-h.html">qcolor.h</a>>
#include <<a href="qnamespace-h.html">qnamespace.h</a>>
#include <<a href="qstring-h.html">qstring.h</a>>
#include <<a href="qvaluevector-h.html">qvaluevector.h</a>>
class Element;
typedef QValueVector<Element> ElementVector;
/*
Elements are valid if they have a value which is > EPSILON.
*/
const double EPSILON = 0.0000001; // Must be > INVALID.
class Element
{
public:
enum { INVALID = -1 };
enum { NO_PROPORTION = -1 };
enum { MAX_PROPOINTS = 3 }; // One proportional point per chart type
Element( double value = INVALID, QColor valueColor = Qt::gray,
int valuePattern = Qt::SolidPattern,
const <a href="qstring.html">QString</a>& label = QString::null,
<a href="qcolor.html">QColor</a> labelColor = Qt::black ) {
init( value, valueColor, valuePattern, label, labelColor );
for ( int i = 0; i < MAX_PROPOINTS * 2; ++i )
m_propoints[i] = NO_PROPORTION;
}
~Element() {}
bool isValid() const { return m_value > EPSILON; }
double value() const { return m_value; }
<a href="qcolor.html">QColor</a> valueColor() const { return m_valueColor; }
int valuePattern() const { return m_valuePattern; }
<a href="qstring.html">QString</a> label() const { return m_label; }
<a href="qcolor.html">QColor</a> labelColor() const { return m_labelColor; }
double proX( int index ) const;
double proY( int index ) const;
void set( double value = INVALID, QColor valueColor = Qt::gray,
int valuePattern = Qt::SolidPattern,
const <a href="qstring.html">QString</a>& label = QString::null,
<a href="qcolor.html">QColor</a> labelColor = Qt::black ) {
init( value, valueColor, valuePattern, label, labelColor );
}
void setValue( double value ) { m_value = value; }
void setValueColor( <a href="qcolor.html">QColor</a> valueColor ) { m_valueColor = valueColor; }
void setValuePattern( int valuePattern );
void setLabel( const <a href="qstring.html">QString</a>& label ) { m_label = label; }
void setLabelColor( <a href="qcolor.html">QColor</a> labelColor ) { m_labelColor = labelColor; }
void setProX( int index, double value );
void setProY( int index, double value );
#ifdef Q_FULL_TEMPLATE_INSTANTIATION
// xlC 3.x workaround
Q_DUMMY_COMPARISON_OPERATOR(Element)
bool operator!=( const Element& e) const {
return ( !(e == *this) );
}
#endif
private:
void init( double value, QColor valueColor, int valuePattern,
const <a href="qstring.html">QString</a>& label, QColor labelColor );
double m_value;
<a href="qcolor.html">QColor</a> m_valueColor;
int m_valuePattern;
<a href="qstring.html">QString</a> m_label;
<a href="qcolor.html">QColor</a> m_labelColor;
double m_propoints[2 * MAX_PROPOINTS];
};
QTextStream &operator<<( <a href="qtextstream.html">QTextStream</a>&, const Element& );
QTextStream &operator>>( <a href="qtextstream.html">QTextStream</a>&, Element& );
#endif
</pre><!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright © 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt 3.3.8</div>
</table></div></address></body>
</html>
|
