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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Qwt User's Guide: qwt_plot.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.6 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><h1>qwt_plot.h</h1><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_H</span><a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PLOT_H</span><a name="l00012"></a>00012 <span class="preprocessor"></span><a name="l00013"></a>00013 <span class="preprocessor">#include <qframe.h></span><a name="l00014"></a>00014 <span class="preprocessor">#include "qwt_global.h"</span><a name="l00015"></a>00015 <span class="preprocessor">#include "qwt_array.h"</span><a name="l00016"></a>00016 <span class="preprocessor">#include "qwt_text.h"</span><a name="l00017"></a>00017 <span class="preprocessor">#include "qwt_plot_dict.h"</span><a name="l00018"></a>00018 <span class="preprocessor">#include "qwt_scale_map.h"</span><a name="l00019"></a>00019 <span class="preprocessor">#include "qwt_plot_printfilter.h"</span><a name="l00020"></a>00020 <a name="l00021"></a>00021 <span class="keyword">class </span><a class="code" href="class_qwt_plot_layout.html">QwtPlotLayout</a>;<a name="l00022"></a>00022 <span class="keyword">class </span><a class="code" href="class_qwt_legend.html">QwtLegend</a>;<a name="l00023"></a>00023 <span class="keyword">class </span><a class="code" href="class_qwt_scale_widget.html">QwtScaleWidget</a>;<a name="l00024"></a>00024 <span class="keyword">class </span><a class="code" href="class_qwt_scale_engine.html">QwtScaleEngine</a>;<a name="l00025"></a>00025 <span class="keyword">class </span><a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a>;<a name="l00026"></a>00026 <span class="keyword">class </span><a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a>;<a name="l00027"></a>00027 <span class="keyword">class </span><a class="code" href="class_qwt_text_label.html">QwtTextLabel</a>;<a name="l00028"></a>00028 <span class="keyword">class </span><a class="code" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a>;<a name="l00029"></a>00029 <span class="keyword">class </span><a class="code" href="class_qwt_plot_print_filter.html">QwtPlotPrintFilter</a>;<a name="l00030"></a>00030 <a name="l00077"></a><a class="code" href="class_qwt_plot.html">00077</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot.html">QwtPlot</a>: <span class="keyword">public</span> QFrame, <span class="keyword">public</span> <a class="code" href="class_qwt_plot_dict.html">QwtPlotDict</a><a name="l00078"></a>00078 {<a name="l00079"></a><a class="code" href="class_qwt_plot.html#ccdb72255f819eb70751e070294496fd">00079</a> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a>;<a name="l00080"></a>00080 <a name="l00081"></a>00081 Q_OBJECT<a name="l00082"></a>00082 Q_PROPERTY( QString propertiesDocument <a name="l00083"></a>00083 READ grabProperties WRITE applyProperties )<a name="l00084"></a>00084 <a name="l00085"></a>00085 <span class="keyword">public</span>:<a name="l00087"></a><a class="code" href="class_qwt_plot.html#81df699dcf9dde0752c0726b5f31e271">00087</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot.html#81df699dcf9dde0752c0726b5f31e271">Axis</a> <a name="l00088"></a>00088 { <a name="l00089"></a>00089 yLeft, <a name="l00090"></a>00090 yRight, <a name="l00091"></a>00091 xBottom, <a name="l00092"></a>00092 xTop, <a name="l00093"></a>00093 <a name="l00094"></a>00094 axisCnt <a name="l00095"></a>00095 };<a name="l00096"></a>00096 <a name="l00105"></a><a class="code" href="class_qwt_plot.html#31aacb65b5c049dde8c34a0d8482661b">00105</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot.html#31aacb65b5c049dde8c34a0d8482661b">LegendPosition</a> <a name="l00106"></a>00106 {<a name="l00107"></a>00107 LeftLegend,<a name="l00108"></a>00108 RightLegend,<a name="l00109"></a>00109 BottomLegend,<a name="l00110"></a>00110 TopLegend,<a name="l00111"></a>00111 <a name="l00112"></a>00112 ExternalLegend<a name="l00113"></a>00113 };<a name="l00114"></a>00114 <a name="l00115"></a>00115 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_canvas.html#7aced0319c0c2bb341ed9e3be2966c46">QwtPlot</a>(QWidget * = NULL);<a name="l00116"></a>00116 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_canvas.html#7aced0319c0c2bb341ed9e3be2966c46">QwtPlot</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &title, QWidget *p = NULL);<a name="l00117"></a>00117 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00118"></a>00118 <span class="preprocessor"></span> <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_canvas.html#7aced0319c0c2bb341ed9e3be2966c46">QwtPlot</a>(QWidget *, <span class="keyword">const</span> <span class="keywordtype">char</span>* name);<a name="l00119"></a>00119 <span class="preprocessor">#endif</span><a name="l00120"></a>00120 <span class="preprocessor"></span><a name="l00121"></a>00121 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot.html">QwtPlot</a>();<a name="l00122"></a>00122 <a name="l00123"></a>00123 <span class="keywordtype">void</span> applyProperties(<span class="keyword">const</span> QString &);<a name="l00124"></a>00124 QString grabProperties() <span class="keyword">const</span>;<a name="l00125"></a>00125 <a name="l00126"></a>00126 <span class="keywordtype">void</span> setAutoReplot(<span class="keywordtype">bool</span> tf = <span class="keyword">true</span>);<a name="l00127"></a>00127 <span class="keywordtype">bool</span> autoReplot() <span class="keyword">const</span>;<a name="l00128"></a>00128 <a name="l00129"></a>00129 <span class="keywordtype">void</span> print(QPaintDevice &p,<a name="l00130"></a>00130 <span class="keyword">const</span> <a class="code" href="class_qwt_plot_print_filter.html">QwtPlotPrintFilter</a> & = <a class="code" href="class_qwt_plot_print_filter.html">QwtPlotPrintFilter</a>()) <span class="keyword">const</span>;<a name="l00131"></a>00131 <span class="keyword">virtual</span> <span class="keywordtype">void</span> print(QPainter *, <span class="keyword">const</span> QRect &rect,<a name="l00132"></a>00132 <span class="keyword">const</span> <a class="code" href="class_qwt_plot_print_filter.html">QwtPlotPrintFilter</a> & = <a class="code" href="class_qwt_plot_print_filter.html">QwtPlotPrintFilter</a>()) <span class="keyword">const</span>;<a name="l00133"></a>00133 <a name="l00134"></a>00134 <span class="comment">// Layout</span><a name="l00135"></a>00135 <a name="l00136"></a>00136 <a class="code" href="class_qwt_plot_layout.html">QwtPlotLayout</a> *plotLayout();<a name="l00137"></a>00137 <span class="keyword">const</span> <a class="code" href="class_qwt_plot_layout.html">QwtPlotLayout</a> *plotLayout() <span class="keyword">const</span>;<a name="l00138"></a>00138 <a name="l00139"></a>00139 <span class="keywordtype">void</span> setMargin(<span class="keywordtype">int</span> margin);<a name="l00140"></a>00140 <span class="keywordtype">int</span> margin() <span class="keyword">const</span>;<a name="l00141"></a>00141 <a name="l00142"></a>00142 <span class="comment">// Title</span><a name="l00143"></a>00143 <a name="l00144"></a>00144 <span class="keywordtype">void</span> setTitle(<span class="keyword">const</span> QString &);<a name="l00145"></a>00145 <span class="keywordtype">void</span> setTitle(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &t);<a name="l00146"></a>00146 <a class="code" href="class_qwt_text.html">QwtText</a> title() <span class="keyword">const</span>;<a name="l00147"></a>00147 <a name="l00148"></a>00148 <a class="code" href="class_qwt_text_label.html">QwtTextLabel</a> *titleLabel();<a name="l00149"></a>00149 <span class="keyword">const</span> <a class="code" href="class_qwt_text_label.html">QwtTextLabel</a> *titleLabel() <span class="keyword">const</span>;<a name="l00150"></a>00150 <a name="l00151"></a>00151 <span class="comment">// Canvas</span><a name="l00152"></a>00152 <a name="l00153"></a>00153 <a class="code" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a> *canvas();<a name="l00154"></a>00154 <span class="keyword">const</span> <a class="code" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a> *canvas() <span class="keyword">const</span>;<a name="l00155"></a>00155 <a name="l00156"></a>00156 <span class="keywordtype">void</span> setCanvasBackground (<span class="keyword">const</span> QColor &c);<a name="l00157"></a>00157 <span class="keyword">const</span> QColor& canvasBackground() <span class="keyword">const</span>;<a name="l00158"></a>00158 <a name="l00159"></a>00159 <span class="keywordtype">void</span> setCanvasLineWidth(<span class="keywordtype">int</span> w);<a name="l00160"></a>00160 <span class="keywordtype">int</span> canvasLineWidth() <span class="keyword">const</span>;<a name="l00161"></a>00161 <a name="l00162"></a>00162 <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> canvasMap(<span class="keywordtype">int</span> axisId) <span class="keyword">const</span>;<a name="l00163"></a>00163 <a name="l00164"></a>00164 <span class="keywordtype">double</span> invTransform(<span class="keywordtype">int</span> axisId, <span class="keywordtype">int</span> pos) <span class="keyword">const</span>;<a name="l00165"></a>00165 <span class="keywordtype">int</span> transform(<span class="keywordtype">int</span> axisId, <span class="keywordtype">double</span> value) <span class="keyword">const</span>;⌨️ 快捷键说明
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