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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_dial_needle.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_dial_needle.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_DIAL_NEEDLE_H</span><a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_DIAL_NEEDLE_H 1</span><a name="l00012"></a>00012 <span class="preprocessor"></span><a name="l00013"></a>00013 <span class="preprocessor">#include <qpalette.h></span><a name="l00014"></a>00014 <span class="preprocessor">#include "qwt_global.h"</span><a name="l00015"></a>00015 <a name="l00016"></a>00016 <span class="keyword">class </span>QPainter;<a name="l00017"></a>00017 <span class="keyword">class </span>QPoint;<a name="l00018"></a>00018 <a name="l00031"></a><a class="code" href="class_qwt_dial_needle.html">00031</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a><a name="l00032"></a>00032 {<a name="l00033"></a>00033 <span class="keyword">public</span>:<a name="l00034"></a>00034 <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a>();<a name="l00035"></a>00035 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a>();<a name="l00036"></a>00036 <a name="l00046"></a>00046 <span class="keyword">virtual</span> <span class="keywordtype">void</span> draw(QPainter *painter, <span class="keyword">const</span> QPoint &center, <a name="l00047"></a>00047 <span class="keywordtype">int</span> length, <span class="keywordtype">double</span> direction, <a name="l00048"></a>00048 QPalette::ColorGroup cg = QPalette::Active) <span class="keyword">const </span>= 0;<a name="l00049"></a>00049 <a name="l00050"></a>00050 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setPalette(<span class="keyword">const</span> QPalette &);<a name="l00051"></a>00051 <span class="keyword">const</span> QPalette &palette() <span class="keyword">const</span>; <a name="l00052"></a>00052 <a name="l00053"></a>00053 <span class="keyword">protected</span>:<a name="l00054"></a>00054 <span class="keyword">static</span> <span class="keywordtype">void</span> drawKnob(QPainter *, <span class="keyword">const</span> QPoint &pos, <a name="l00055"></a>00055 <span class="keywordtype">int</span> width, <span class="keyword">const</span> QBrush &, <span class="keywordtype">bool</span> sunken);<a name="l00056"></a>00056 <a name="l00057"></a>00057 <span class="keyword">private</span>:<a name="l00058"></a>00058 QPalette d_palette;<a name="l00059"></a>00059 };<a name="l00060"></a>00060 <a name="l00073"></a><a class="code" href="class_qwt_dial_simple_needle.html">00073</a> <span class="keyword">class </span>QWT_EXPORT QwtDialSimpleNeedle: <span class="keyword">public</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a><a name="l00074"></a>00074 {<a name="l00075"></a>00075 <span class="keyword">public</span>:<a name="l00077"></a><a class="code" href="class_qwt_dial_simple_needle.html#d28821489e04f1fd942e5bebc8a60584">00077</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_dial_simple_needle.html#d28821489e04f1fd942e5bebc8a60584">Style</a><a name="l00078"></a>00078 {<a name="l00079"></a>00079 Arrow,<a name="l00080"></a>00080 Ray<a name="l00081"></a>00081 };<a name="l00082"></a>00082 <a name="l00083"></a>00083 QwtDialSimpleNeedle(Style, <span class="keywordtype">bool</span> hasKnob = <span class="keyword">true</span>, <a name="l00084"></a>00084 <span class="keyword">const</span> QColor &mid = Qt::gray, <span class="keyword">const</span> QColor &base = Qt::darkGray);<a name="l00085"></a>00085 <a name="l00086"></a>00086 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dial_needle.html#6076eecfa9fc39235435d098cf146a2c">draw</a>(QPainter *, <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span> length, <a name="l00087"></a>00087 <span class="keywordtype">double</span> direction, QPalette::ColorGroup = QPalette::Active) <span class="keyword">const</span>;<a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="keyword">static</span> <span class="keywordtype">void</span> drawArrowNeedle(QPainter *, <a name="l00090"></a>00090 <span class="keyword">const</span> QPalette&, QPalette::ColorGroup,<a name="l00091"></a>00091 <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span> length, <span class="keywordtype">int</span> width, <span class="keywordtype">double</span> direction, <a name="l00092"></a>00092 <span class="keywordtype">bool</span> hasKnob);<a name="l00093"></a>00093 <a name="l00094"></a>00094 <span class="keyword">static</span> <span class="keywordtype">void</span> drawRayNeedle(QPainter *, <a name="l00095"></a>00095 <span class="keyword">const</span> QPalette&, QPalette::ColorGroup,<a name="l00096"></a>00096 <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span> length, <span class="keywordtype">int</span> width, <span class="keywordtype">double</span> direction, <a name="l00097"></a>00097 <span class="keywordtype">bool</span> hasKnob);<a name="l00098"></a>00098 <a name="l00099"></a>00099 <span class="keywordtype">void</span> setWidth(<span class="keywordtype">int</span> width);<a name="l00100"></a>00100 <span class="keywordtype">int</span> width() <span class="keyword">const</span>;<a name="l00101"></a>00101 <a name="l00102"></a>00102 <span class="keyword">private</span>:<a name="l00103"></a>00103 Style d_style;<a name="l00104"></a>00104 <span class="keywordtype">bool</span> d_hasKnob;<a name="l00105"></a>00105 <span class="keywordtype">int</span> d_width;<a name="l00106"></a>00106 };<a name="l00107"></a>00107 <a name="l00125"></a><a class="code" href="class_qwt_compass_magnet_needle.html">00125</a> <span class="keyword">class </span>QWT_EXPORT QwtCompassMagnetNeedle: <span class="keyword">public</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a><a name="l00126"></a>00126 {<a name="l00127"></a>00127 <span class="keyword">public</span>:<a name="l00129"></a><a class="code" href="class_qwt_compass_magnet_needle.html#ee1d882c6ec8b680b94b59b5710a92a5">00129</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_compass_magnet_needle.html#ee1d882c6ec8b680b94b59b5710a92a5">Style</a><a name="l00130"></a>00130 {<a name="l00131"></a>00131 TriangleStyle,<a name="l00132"></a>00132 ThinStyle<a name="l00133"></a>00133 };<a name="l00134"></a>00134 QwtCompassMagnetNeedle(Style = TriangleStyle,<a name="l00135"></a>00135 <span class="keyword">const</span> QColor &light = Qt::white, <span class="keyword">const</span> QColor &dark = Qt::red);<a name="l00136"></a>00136 <a name="l00137"></a>00137 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dial_needle.html#6076eecfa9fc39235435d098cf146a2c">draw</a>(QPainter *, <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span> length, <a name="l00138"></a>00138 <span class="keywordtype">double</span> direction, QPalette::ColorGroup = QPalette::Active) <span class="keyword">const</span>;<a name="l00139"></a>00139 <a name="l00140"></a>00140 <span class="keyword">static</span> <span class="keywordtype">void</span> drawTriangleNeedle(QPainter *, <a name="l00141"></a>00141 <span class="keyword">const</span> QPalette &, QPalette::ColorGroup,<a name="l00142"></a>00142 <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span> length, <span class="keywordtype">double</span> direction); <a name="l00143"></a>00143 <a name="l00144"></a>00144 <span class="keyword">static</span> <span class="keywordtype">void</span> drawThinNeedle(QPainter *,<a name="l00145"></a>00145 <span class="keyword">const</span> QPalette &, QPalette::ColorGroup,<a name="l00146"></a>00146 <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span> length, <span class="keywordtype">double</span> direction);<a name="l00147"></a>00147 <a name="l00148"></a>00148 <span class="keyword">protected</span>:<a name="l00149"></a>00149 <span class="keyword">static</span> <span class="keywordtype">void</span> drawPointer(QPainter *painter, <span class="keyword">const</span> QBrush &brush,<a name="l00150"></a>00150 <span class="keywordtype">int</span> colorOffset, <span class="keyword">const</span> QPoint &center, <a name="l00151"></a>00151 <span class="keywordtype">int</span> length, <span class="keywordtype">int</span> width, <span class="keywordtype">double</span> direction);<a name="l00152"></a>00152 <a name="l00153"></a>00153 <span class="keyword">private</span>:<a name="l00154"></a>00154 Style d_style;<a name="l00155"></a>00155 };<a name="l00156"></a>00156 <a name="l00170"></a><a class="code" href="class_qwt_compass_wind_arrow.html">00170</a> <span class="keyword">class </span>QWT_EXPORT QwtCompassWindArrow: <span class="keyword">public</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a><a name="l00171"></a>00171 {<a name="l00172"></a>00172 <span class="keyword">public</span>:<a name="l00174"></a><a class="code" href="class_qwt_compass_wind_arrow.html#55f11e28c9d87c0fb7c306ccd174f2a8">00174</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_compass_wind_arrow.html#55f11e28c9d87c0fb7c306ccd174f2a8">Style</a><a name="l00175"></a>00175 {<a name="l00176"></a>00176 Style1,<a name="l00177"></a>00177 Style2<a name="l00178"></a>00178 };<a name="l00179"></a>00179 <a name="l00180"></a>00180 QwtCompassWindArrow(Style, <span class="keyword">const</span> QColor &light = Qt::white,<a name="l00181"></a>00181 <span class="keyword">const</span> QColor &dark = Qt::gray);<a name="l00182"></a>00182 <a name="l00183"></a>00183 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dial_needle.html#6076eecfa9fc39235435d098cf146a2c">draw</a>(QPainter *, <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span> length,<a name="l00184"></a>00184 <span class="keywordtype">double</span> direction, QPalette::ColorGroup = QPalette::Active) <span class="keyword">const</span>;<a name="l00185"></a>00185 <a name="l00186"></a>00186 <span class="keyword">static</span> <span class="keywordtype">void</span> drawStyle1Needle(QPainter *, <a name="l00187"></a>00187 <span class="keyword">const</span> QPalette &, QPalette::ColorGroup,<a name="l00188"></a>00188 <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span> length, <span class="keywordtype">double</span> direction);<a name="l00189"></a>00189 <a name="l00190"></a>00190 <span class="keyword">static</span> <span class="keywordtype">void</span> drawStyle2Needle(QPainter *, <a name="l00191"></a>00191 <span class="keyword">const</span> QPalette &, QPalette::ColorGroup,<a name="l00192"></a>00192 <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span> length, <span class="keywordtype">double</span> direction);<a name="l00193"></a>00193 <a name="l00194"></a>00194 <span class="keyword">private</span>:<a name="l00195"></a>00195 Style d_style;<a name="l00196"></a>00196 };<a name="l00197"></a>00197 <a name="l00198"></a>00198 <span class="preprocessor">#endif // QWT_DIAL_NEEDLE_H</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Feb 26 21:22:36 2007 for Qwt User's Guide by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address></body></html>⌨️ 快捷键说明
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