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diff --git a/doc/html/chart-element-cpp.html b/doc/html/chart-element-cpp.html new file mode 100644 index 0000000..2e118aa --- /dev/null +++ b/doc/html/chart-element-cpp.html @@ -0,0 +1,169 @@ +<!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:3 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>chart/element.cpp 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.cpp Example File</h1> + + +<pre>#include "element.h" + +#include <<a href="qstringlist-h.html">qstringlist.h</a>> +#include <<a href="qtextstream-h.html">qtextstream.h</a>> + +const char FIELD_SEP = ':'; +const char PROPOINT_SEP = ';'; +const char XY_SEP = ','; + + +void Element::init( double value, QColor valueColor, int valuePattern, + const <a href="qstring.html">QString</a>& label, QColor labelColor ) +{ + m_value = value; + m_valueColor = valueColor; + if ( valuePattern < Qt::SolidPattern || valuePattern > Qt::DiagCrossPattern ) + valuePattern = Qt::SolidPattern; + m_valuePattern = valuePattern; + m_label = label; + m_labelColor = labelColor; +} + + +void Element::setValuePattern( int valuePattern ) +{ + if ( valuePattern < Qt::SolidPattern || valuePattern > Qt::DiagCrossPattern ) + valuePattern = Qt::SolidPattern; + m_valuePattern = valuePattern; +} + + +double Element::proX( int index ) const +{ + <a href="qapplication.html#Q_ASSERT">Q_ASSERT</a>(index >= 0 && index < MAX_PROPOINTS); + return m_propoints[2 * index]; +} + + +double Element::proY( int index ) const +{ + <a href="qapplication.html#Q_ASSERT">Q_ASSERT</a>(index >= 0 && index < MAX_PROPOINTS); + return m_propoints[(2 * index) + 1]; +} + + +void Element::setProX( int index, double value ) +{ + <a href="qapplication.html#Q_ASSERT">Q_ASSERT</a>(index >= 0 && index < MAX_PROPOINTS); + m_propoints[2 * index] = value; +} + + +void Element::setProY( int index, double value ) +{ + <a href="qapplication.html#Q_ASSERT">Q_ASSERT</a>(index >= 0 && index < MAX_PROPOINTS); + m_propoints[(2 * index) + 1] = value; +} + + +QTextStream &operator<<( <a href="qtextstream.html">QTextStream</a> &s, const Element &element ) +{ + s << element.value() << FIELD_SEP + << element.valueColor().name() << FIELD_SEP + << element.valuePattern() << FIELD_SEP + << element.labelColor().name() << FIELD_SEP; + + for ( int i = 0; i < Element::MAX_PROPOINTS; ++i ) { + s << element.proX( i ) << XY_SEP << element.proY( i ); + s << ( i == Element::MAX_PROPOINTS - 1 ? FIELD_SEP : PROPOINT_SEP ); + } + + s << element.label() << '\n'; + + return s; +} + + +QTextStream &operator>>( <a href="qtextstream.html">QTextStream</a> &s, Element &element ) +{ + <a href="qstring.html">QString</a> data = s.<a href="qtextstream.html#readLine">readLine</a>(); + element.setValue( Element::INVALID ); + + int errors = 0; + bool ok; + + <a href="qstringlist.html">QStringList</a> fields = QStringList::<a href="qstringlist.html#split">split</a>( FIELD_SEP, data ); + if ( fields.<a href="qvaluelist.html#count">count</a>() >= 4 ) { + double value = fields[0].toDouble( &ok ); + if ( !ok ) + errors++; + <a href="qcolor.html">QColor</a> valueColor = QColor( fields[1] ); + if ( !valueColor.<a href="qcolor.html#isValid">isValid</a>() ) + errors++; + int valuePattern = fields[2].toInt( &ok ); + if ( !ok ) + errors++; + <a href="qcolor.html">QColor</a> labelColor = QColor( fields[3] ); + if ( !labelColor.<a href="qcolor.html#isValid">isValid</a>() ) + errors++; + <a href="qstringlist.html">QStringList</a> propoints = QStringList::<a href="qstringlist.html#split">split</a>( PROPOINT_SEP, fields[4] ); + <a href="qstring.html">QString</a> label = data.<a href="qstring.html#section">section</a>( FIELD_SEP, 5 ); + + if ( !errors ) { + element.set( value, valueColor, valuePattern, label, labelColor ); + int i = 0; + for ( QStringList::iterator point = propoints.<a href="qvaluelist.html#begin">begin</a>(); + i < Element::MAX_PROPOINTS && point != propoints.<a href="qvaluelist.html#end">end</a>(); + ++i, ++point ) { + errors = 0; + <a href="qstringlist.html">QStringList</a> xy = QStringList::<a href="qstringlist.html#split">split</a>( XY_SEP, *point ); + double x = xy[0].toDouble( &ok ); + if ( !ok || x <= 0.0 || x >= 1.0 ) + errors++; + double y = xy[1].toDouble( &ok ); + if ( !ok || y <= 0.0 || y >= 1.0 ) + errors++; + if ( errors ) + x = y = Element::NO_PROPORTION; + element.setProX( i, x ); + element.setProY( i, y ); + } + } + } + + return s; +} + +</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> |