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<h1>qwt_plot_seriesitem.h</h1> </div>
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<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>
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