<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Qwt User's Guide: qwt_plot_seriesitem.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div class="header"> <div class="headertitle"> <h1>qwt_plot_seriesitem.h</h1> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span> <a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span> <a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span> <a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span> <a name="l00005"></a>00005 <span class="comment"> *</span> <a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span> <a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span> <a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span> <a name="l00009"></a>00009 <a name="l00010"></a>00010 <span class="preprocessor">#ifndef QWT_PLOT_SERIES_ITEM_H</span> <a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PLOT_SERIES_ITEM_H</span> <a name="l00012"></a>00012 <span class="preprocessor"></span> <a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_global.h"</span> <a name="l00014"></a>00014 <span class="preprocessor">#include "qwt_plot_item.h"</span> <a name="l00015"></a>00015 <span class="preprocessor">#include "qwt_scale_div.h"</span> <a name="l00016"></a>00016 <span class="preprocessor">#include "qwt_series_data.h"</span> <a name="l00017"></a>00017 <a name="l00021"></a><a class="code" href="class_qwt_plot_abstract_series_item.html">00021</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_abstract_series_item.html" title="Base class for plot items representing a series of samples.">QwtPlotAbstractSeriesItem</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_plot_item.html" title="Base class for items on the plot canvas.">QwtPlotItem</a> <a name="l00022"></a>00022 { <a name="l00023"></a>00023 <span class="keyword">public</span>: <a name="l00024"></a>00024 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_abstract_series_item.html" title="Base class for plot items representing a series of samples.">QwtPlotAbstractSeriesItem</a>( <span class="keyword">const</span> QString &title = QString::null ); <a name="l00025"></a>00025 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_abstract_series_item.html" title="Base class for plot items representing a series of samples.">QwtPlotAbstractSeriesItem</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_text.html" title="A class representing a text.">QwtText</a> &title ); <a name="l00026"></a>00026 <a name="l00027"></a>00027 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_abstract_series_item.html" title="Base class for plot items representing a series of samples.">QwtPlotAbstractSeriesItem</a>(); <a name="l00028"></a>00028 <a name="l00029"></a>00029 <span class="keywordtype">void</span> setOrientation( Qt::Orientation ); <a name="l00030"></a>00030 Qt::Orientation orientation() <span class="keyword">const</span>; <a name="l00031"></a>00031 <a name="l00032"></a>00032 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_item.html#a0b0d6589d5db81ce72e6b33c4fbb21f9" title="Draw the item.">draw</a>( QPainter *p, <a name="l00033"></a>00033 <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &xMap, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &yMap, <a name="l00034"></a>00034 <span class="keyword">const</span> QRectF & ) <span class="keyword">const</span>; <a name="l00035"></a>00035 <a name="l00047"></a>00047 <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawSeries( QPainter *painter, <a name="l00048"></a>00048 <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &xMap, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &yMap, <a name="l00049"></a>00049 <span class="keyword">const</span> QRectF &canvasRect, <span class="keywordtype">int</span> from, <span class="keywordtype">int</span> to ) <span class="keyword">const</span> = 0; <a name="l00050"></a>00050 <a name="l00051"></a>00051 <span class="keyword">private</span>: <a name="l00052"></a>00052 <span class="keyword">class </span>PrivateData; <a name="l00053"></a>00053 PrivateData *d_data; <a name="l00054"></a>00054 }; <a name="l00055"></a>00055 <a name="l00059"></a>00059 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00060"></a><a class="code" href="class_qwt_plot_series_item.html">00060</a> <span class="keyword">class </span><a class="code" href="class_qwt_plot_series_item.html" title="Class template for plot items representing a series of samples.">QwtPlotSeriesItem</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_plot_abstract_series_item.html" title="Base class for plot items representing a series of samples.">QwtPlotAbstractSeriesItem</a> <a name="l00061"></a>00061 { <a name="l00062"></a>00062 <span class="keyword">public</span>: <a name="l00063"></a>00063 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_series_item.html" title="Class template for plot items representing a series of samples.">QwtPlotSeriesItem<T></a>( <span class="keyword">const</span> QString &<a class="code" href="class_qwt_plot_item.html#a3859d011b670b5f89e45d1ccef9206f7">title</a> = QString::null ); <a name="l00064"></a>00064 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_series_item.html" title="Class template for plot items representing a series of samples.">QwtPlotSeriesItem<T></a>( <span class="keyword">const</span> <a class="code" href="class_qwt_text.html" title="A class representing a text.">QwtText</a> &<a class="code" href="class_qwt_plot_item.html#a3859d011b670b5f89e45d1ccef9206f7">title</a> ); <a name="l00065"></a>00065 <a name="l00066"></a>00066 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_series_item.html" title="Class template for plot items representing a series of samples.">QwtPlotSeriesItem<T></a>(); <a name="l00067"></a>00067 <a name="l00068"></a>00068 <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_series_item.html#adba072515f7c71c923985882129878c4">setData</a>( <a class="code" href="class_qwt_series_data.html" title="Abstract interface for iterating over samples.">QwtSeriesData<T></a> * ); <a name="l00069"></a>00069 <a name="l00070"></a>00070 <a class="code" href="class_qwt_series_data.html" title="Abstract interface for iterating over samples.">QwtSeriesData<T></a> *<a class="code" href="class_qwt_plot_series_item.html#a3bf9920dace582cba17f18b522ed49dc">data</a>(); <a name="l00071"></a>00071 <span class="keyword">const</span> <a class="code" href="class_qwt_series_data.html" title="Abstract interface for iterating over samples.">QwtSeriesData<T></a> *<a class="code" href="class_qwt_plot_series_item.html#a3bf9920dace582cba17f18b522ed49dc">data</a>() <span class="keyword">const</span>; <a name="l00072"></a>00072 <a name="l00073"></a>00073 <span class="keywordtype">size_t</span> <a class="code" href="class_qwt_plot_series_item.html#acbe4a4253fbabf943fbbf3813ffff743">dataSize</a>() <span class="keyword">const</span>; <a name="l00074"></a>00074 T <a class="code" href="class_qwt_plot_series_item.html#a65865ed7b7c124c6ec538c2d8f1e8292">sample</a>( <span class="keywordtype">int</span> index ) <span class="keyword">const</span>; <a name="l00075"></a>00075 <a name="l00076"></a>00076 <span class="keyword">virtual</span> QRectF <a class="code" href="class_qwt_plot_series_item.html#a183e7c88364eeea8e7c53b56604e0763">boundingRect</a>() <span class="keyword">const</span>; <a name="l00077"></a>00077 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_series_item.html#a5c40b692a48718b71bed27a1802c50d0">updateScaleDiv</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_div.html" title="A class representing a scale division.">QwtScaleDiv</a> &, <a name="l00078"></a>00078 <span class="keyword">const</span> <a class="code" href="class_qwt_scale_div.html" title="A class representing a scale division.">QwtScaleDiv</a> & ); <a name="l00079"></a>00079 <a name="l00080"></a>00080 <span class="keyword">protected</span>: <a name="l00082"></a><a class="code" href="class_qwt_plot_series_item.html#a5ec27b9647fcd02517f437f0e66c0950">00082</a> <a class="code" href="class_qwt_series_data.html" title="Abstract interface for iterating over samples.">QwtSeriesData<T></a> *<a class="code" href="class_qwt_plot_series_item.html#a5ec27b9647fcd02517f437f0e66c0950" title="Series.">d_series</a>; <a name="l00083"></a>00083 }; <a name="l00084"></a>00084 <a name="l00089"></a>00089 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00090"></a><a class="code" href="class_qwt_plot_series_item.html#a0bb060e109f2a957ef9750a37908afc7">00090</a> <a class="code" href="class_qwt_plot_series_item.html#a0bb060e109f2a957ef9750a37908afc7">QwtPlotSeriesItem<T>::QwtPlotSeriesItem</a>( <span class="keyword">const</span> QString &title ): <a name="l00091"></a>00091 <a class="code" href="class_qwt_plot_abstract_series_item.html" title="Base class for plot items representing a series of samples.">QwtPlotAbstractSeriesItem</a>( <a class="code" href="class_qwt_text.html" title="A class representing a text.">QwtText</a>( title ) ), <a name="l00092"></a>00092 d_series( NULL ) <a name="l00093"></a>00093 { <a name="l00094"></a>00094 } <a name="l00095"></a>00095 <a name="l00100"></a>00100 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00101"></a><a class="code" href="class_qwt_plot_series_item.html#a4897128406328d3f4e391c739355082d">00101</a> <a class="code" href="class_qwt_plot_series_item.html#a0bb060e109f2a957ef9750a37908afc7">QwtPlotSeriesItem<T>::QwtPlotSeriesItem</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_text.html" title="A class representing a text.">QwtText</a> &title ): <a name="l00102"></a>00102 <a class="code" href="class_qwt_plot_abstract_series_item.html" title="Base class for plot items representing a series of samples.">QwtPlotAbstractSeriesItem</a>( title ), <a name="l00103"></a>00103 d_series( NULL ) <a name="l00104"></a>00104 { <a name="l00105"></a>00105 } <a name="l00106"></a>00106 <a name="l00108"></a>00108 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00109"></a><a class="code" href="class_qwt_plot_series_item.html#a99e5f0fa58e3de5dfee39220b2e7e382">00109</a> <a class="code" href="class_qwt_plot_series_item.html#a99e5f0fa58e3de5dfee39220b2e7e382" title="Destructor.">QwtPlotSeriesItem<T>::~QwtPlotSeriesItem</a>() <a name="l00110"></a>00110 { <a name="l00111"></a>00111 <span class="keyword">delete</span> d_series; <a name="l00112"></a>00112 } <a name="l00113"></a>00113 <a name="l00115"></a>00115 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00116"></a><a class="code" href="class_qwt_plot_series_item.html#a3bf9920dace582cba17f18b522ed49dc">00116</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_series_data.html" title="Abstract interface for iterating over samples.">QwtSeriesData<T></a> *<a class="code" href="class_qwt_plot_series_item.html#a3bf9920dace582cba17f18b522ed49dc">QwtPlotSeriesItem<T>::data</a>() <a name="l00117"></a>00117 { <a name="l00118"></a>00118 <span class="keywordflow">return</span> d_series; <a name="l00119"></a>00119 } <a name="l00120"></a>00120 <a name="l00122"></a>00122 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00123"></a><a class="code" href="class_qwt_plot_series_item.html#a02b7f6c94e92f2248bb6daaca48d177b">00123</a> <span class="keyword">inline</span> <span class="keyword">const</span> <a class="code" href="class_qwt_series_data.html" title="Abstract interface for iterating over samples.">QwtSeriesData<T></a> *<a class="code" href="class_qwt_plot_series_item.html#a3bf9920dace582cba17f18b522ed49dc">QwtPlotSeriesItem<T>::data</a>()<span class="keyword"> const</span> <a name="l00124"></a>00124 <span class="keyword"></span>{ <a name="l00125"></a>00125 <span class="keywordflow">return</span> d_series; <a name="l00126"></a>00126 } <a name="l00127"></a>00127 <a name="l00132"></a>00132 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00133"></a><a class="code" href="class_qwt_plot_series_item.html#a65865ed7b7c124c6ec538c2d8f1e8292">00133</a> <span class="keyword">inline</span> T <a class="code" href="class_qwt_plot_series_item.html#a65865ed7b7c124c6ec538c2d8f1e8292">QwtPlotSeriesItem<T>::sample</a>( <span class="keywordtype">int</span> index )<span class="keyword"> const</span> <a name="l00134"></a>00134 <span class="keyword"></span>{ <a name="l00135"></a>00135 <span class="keywordflow">return</span> d_series ? d_series->sample( index ) : T(); <a name="l00136"></a>00136 } <a name="l00137"></a>00137 <a name="l00145"></a>00145 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00146"></a><a class="code" href="class_qwt_plot_series_item.html#adba072515f7c71c923985882129878c4">00146</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_series_item.html#adba072515f7c71c923985882129878c4">QwtPlotSeriesItem<T>::setData</a>( <a class="code" href="class_qwt_series_data.html" title="Abstract interface for iterating over samples.">QwtSeriesData<T></a> *data ) <a name="l00147"></a>00147 { <a name="l00148"></a>00148 <span class="keywordflow">if</span> ( d_series != data ) <a name="l00149"></a>00149 { <a name="l00150"></a>00150 <span class="keyword">delete</span> d_series; <a name="l00151"></a>00151 d_series = data; <a name="l00152"></a>00152 itemChanged(); <a name="l00153"></a>00153 } <a name="l00154"></a>00154 } <a name="l00155"></a>00155 <a name="l00160"></a>00160 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00161"></a><a class="code" href="class_qwt_plot_series_item.html#acbe4a4253fbabf943fbbf3813ffff743">00161</a> <span class="keywordtype">size_t</span> <a class="code" href="class_qwt_plot_series_item.html#acbe4a4253fbabf943fbbf3813ffff743">QwtPlotSeriesItem<T>::dataSize</a>()<span class="keyword"> const</span> <a name="l00162"></a>00162 <span class="keyword"></span>{ <a name="l00163"></a>00163 <span class="keywordflow">if</span> ( d_series == NULL ) <a name="l00164"></a>00164 <span class="keywordflow">return</span> 0; <a name="l00165"></a>00165 <a name="l00166"></a>00166 <span class="keywordflow">return</span> d_series->size(); <a name="l00167"></a>00167 } <a name="l00168"></a>00168 <a name="l00175"></a>00175 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00176"></a><a class="code" href="class_qwt_plot_series_item.html#a183e7c88364eeea8e7c53b56604e0763">00176</a> QRectF <a class="code" href="class_qwt_plot_series_item.html#a183e7c88364eeea8e7c53b56604e0763">QwtPlotSeriesItem<T>::boundingRect</a>()<span class="keyword"> const</span> <a name="l00177"></a>00177 <span class="keyword"></span>{ <a name="l00178"></a>00178 <span class="keywordflow">if</span> ( d_series == NULL ) <a name="l00179"></a>00179 <span class="keywordflow">return</span> QRectF( 1.0, 1.0, -2.0, -2.0 ); <span class="comment">// invalid</span> <a name="l00180"></a>00180 <a name="l00181"></a>00181 <span class="keywordflow">return</span> d_series->boundingRect(); <a name="l00182"></a>00182 } <a name="l00183"></a>00183 <a name="l00192"></a>00192 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00193"></a><a class="code" href="class_qwt_plot_series_item.html#a5c40b692a48718b71bed27a1802c50d0">00193</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_series_item.html#a5c40b692a48718b71bed27a1802c50d0">QwtPlotSeriesItem<T>::updateScaleDiv</a>( <a name="l00194"></a>00194 <span class="keyword">const</span> <a class="code" href="class_qwt_scale_div.html" title="A class representing a scale division.">QwtScaleDiv</a> &xScaleDiv, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_div.html" title="A class representing a scale division.">QwtScaleDiv</a> &yScaleDiv ) <a name="l00195"></a>00195 { <a name="l00196"></a>00196 <span class="keyword">const</span> QRectF rect = QRectF( <a name="l00197"></a>00197 xScaleDiv.<a class="code" href="class_qwt_scale_div.html#a7b9b339170625553fbb488c7877372d0">lowerBound</a>(), yScaleDiv.<a class="code" href="class_qwt_scale_div.html#a7b9b339170625553fbb488c7877372d0">lowerBound</a>(), <a name="l00198"></a>00198 xScaleDiv.<a class="code" href="class_qwt_scale_div.html#abe63aa19b346a4683ab19bf59a5bb37c">range</a>(), yScaleDiv.<a class="code" href="class_qwt_scale_div.html#abe63aa19b346a4683ab19bf59a5bb37c">range</a>() ); <a name="l00199"></a>00199 <a name="l00200"></a>00200 d_series->setRectOfInterest( rect ); <a name="l00201"></a>00201 } <a name="l00202"></a>00202 <a name="l00203"></a>00203 <span class="preprocessor">#endif</span> </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>