summaryrefslogtreecommitdiffstats
path: root/doc/html/chart-element-h.html
blob: db2295b013e40fb85c9f1145e890c5b2fcbdf260 (plain)
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&nbsp;Classes</font></a>
 | <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
 | <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
 | <a href="groups.html">
<font color="#004faf">Grouped&nbsp;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 &lt;<a href="qcolor-h.html">ntqcolor.h</a>&gt;
#include &lt;<a href="qnamespace-h.html">ntqnamespace.h</a>&gt;
#include &lt;<a href="qstring-h.html">ntqstring.h</a>&gt;
#include &lt;<a href="qvaluevector-h.html">ntqvaluevector.h</a>&gt;

class Element;

typedef TQValueVector&lt;Element&gt; ElementVector;

/*
    Elements are valid if they have a value which is &gt; EPSILON.
*/
const double EPSILON = 0.0000001; // Must be &gt; 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, TQColor valueColor = TQt::gray,
             int valuePattern = TQt::SolidPattern,
             const <a href="ntqstring.html">TQString</a>&amp; label = TQString::null,
             <a href="ntqcolor.html">TQColor</a> labelColor = TQt::black ) {
        init( value, valueColor, valuePattern, label, labelColor );
        for ( int i = 0; i &lt; MAX_PROPOINTS * 2; ++i )
            m_propoints[i] = NO_PROPORTION;
    }
    ~Element() {}

    bool isValid() const { return m_value &gt; EPSILON; }

    double value() const { return m_value; }
    <a href="ntqcolor.html">TQColor</a> valueColor() const { return m_valueColor; }
    int valuePattern() const { return m_valuePattern; }
    <a href="ntqstring.html">TQString</a> label() const { return m_label; }
    <a href="ntqcolor.html">TQColor</a> labelColor() const { return m_labelColor; }
    double proX( int index ) const;
    double proY( int index ) const;

    void set( double value = INVALID, TQColor valueColor = TQt::gray,
              int valuePattern = TQt::SolidPattern,
              const <a href="ntqstring.html">TQString</a>&amp; label = TQString::null,
              <a href="ntqcolor.html">TQColor</a> labelColor = TQt::black ) {
        init( value, valueColor, valuePattern, label, labelColor );
    }
    void setValue( double value ) { m_value = value; }
    void setValueColor( <a href="ntqcolor.html">TQColor</a> valueColor ) { m_valueColor = valueColor; }
    void setValuePattern( int valuePattern );
    void setLabel( const <a href="ntqstring.html">TQString</a>&amp; label ) { m_label = label; }
    void setLabelColor( <a href="ntqcolor.html">TQColor</a> labelColor ) { m_labelColor = labelColor; }
    void setProX( int index, double value );
    void setProY( int index, double value );

#ifdef TQ_FULL_TEMPLATE_INSTANTIATION
    // xlC 3.x workaround
    Q_DUMMY_COMPARISON_OPERATOR(Element)
    bool operator!=( const Element&amp; e) const {
        return ( !(e == *this) );
    }
#endif

private:
    void init( double value, TQColor valueColor, int valuePattern,
               const <a href="ntqstring.html">TQString</a>&amp; label, TQColor labelColor );

    double m_value;
    <a href="ntqcolor.html">TQColor</a> m_valueColor;
    int m_valuePattern;
    <a href="ntqstring.html">TQString</a> m_label;
    <a href="ntqcolor.html">TQColor</a> m_labelColor;
    double m_propoints[2 * MAX_PROPOINTS];
};


TQTextStream &amp;operator&lt;&lt;( <a href="ntqtextstream.html">TQTextStream</a>&amp;, const Element&amp; );
TQTextStream &amp;operator&gt;&gt;( <a href="ntqtextstream.html">TQTextStream</a>&amp;, Element&amp; );

#endif
</pre><!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>TQt 3.3.8</div>
</table></div></address></body>
</html>