📄 qwt__abstract__scale__draw_8cpp-source.html
字号:
<!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_abstract_scale_draw.cpp 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_abstract_scale_draw.cpp</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="comment">// vim: expandtab</span><a name="l00011"></a>00011 <a name="l00012"></a>00012 <span class="preprocessor">#include <qpainter.h></span><a name="l00013"></a>00013 <span class="preprocessor">#include <qpalette.h></span><a name="l00014"></a>00014 <span class="preprocessor">#include <qmap.h></span><a name="l00015"></a>00015 <span class="preprocessor">#include "qwt_math.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_painter.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_scale_draw.h"</span><a name="l00020"></a>00020 <a name="l00021"></a>00021 <span class="keyword">class </span>QwtAbstractScaleDraw::PrivateData<a name="l00022"></a>00022 {<a name="l00023"></a>00023 <span class="keyword">public</span>:<a name="l00024"></a>00024 PrivateData():<a name="l00025"></a>00025 components(Backbone | Ticks | Labels),<a name="l00026"></a>00026 <a class="code" href="class_qwt_abstract_scale_draw.html#b31323219c1a750adde91470698cfa0f">spacing</a>(4),<a name="l00027"></a>00027 minExtent(0)<a name="l00028"></a>00028 {<a name="l00029"></a>00029 <a class="code" href="class_qwt_abstract_scale_draw.html#d183cd4b9b5b204ca5d264e0f42e06a1">tickLength</a>[QwtScaleDiv::MinorTick] = 4;<a name="l00030"></a>00030 <a class="code" href="class_qwt_abstract_scale_draw.html#d183cd4b9b5b204ca5d264e0f42e06a1">tickLength</a>[QwtScaleDiv::MediumTick] = 6;<a name="l00031"></a>00031 <a class="code" href="class_qwt_abstract_scale_draw.html#d183cd4b9b5b204ca5d264e0f42e06a1">tickLength</a>[QwtScaleDiv::MajorTick] = 8;<a name="l00032"></a>00032 }<a name="l00033"></a>00033 <a name="l00034"></a>00034 <span class="keywordtype">int</span> components;<a name="l00035"></a>00035 <a name="l00036"></a>00036 <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> <a class="code" href="class_qwt_abstract_scale_draw.html#9777f34effee2395dde92a42ef7902fd">map</a>;<a name="l00037"></a>00037 <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> scldiv;<a name="l00038"></a>00038 <a name="l00039"></a>00039 <span class="keywordtype">int</span> <a class="code" href="class_qwt_abstract_scale_draw.html#b31323219c1a750adde91470698cfa0f">spacing</a>;<a name="l00040"></a>00040 <span class="keywordtype">int</span> <a class="code" href="class_qwt_abstract_scale_draw.html#d183cd4b9b5b204ca5d264e0f42e06a1">tickLength</a>[QwtScaleDiv::NTickTypes];<a name="l00041"></a>00041 <a name="l00042"></a>00042 <span class="keywordtype">int</span> minExtent;<a name="l00043"></a>00043 <a name="l00044"></a>00044 QMap<double, QwtText> labelCache;<a name="l00045"></a>00045 };<a name="l00046"></a>00046 <a name="l00054"></a><a class="code" href="class_qwt_abstract_scale_draw.html#19c944664a2e36f06ae71b745fbd442e">00054</a> <a class="code" href="class_qwt_abstract_scale_draw.html#19c944664a2e36f06ae71b745fbd442e">QwtAbstractScaleDraw::QwtAbstractScaleDraw</a>()<a name="l00055"></a>00055 {<a name="l00056"></a>00056 d_data = <span class="keyword">new</span> QwtAbstractScaleDraw::PrivateData;<a name="l00057"></a>00057 }<a name="l00058"></a>00058 <a name="l00060"></a><a class="code" href="class_qwt_abstract_scale_draw.html#eac9a71c1aa7f84eb615af72cfbf301c">00060</a> <a class="code" href="class_qwt_abstract_scale_draw.html#19c944664a2e36f06ae71b745fbd442e">QwtAbstractScaleDraw::QwtAbstractScaleDraw</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a> &other)<a name="l00061"></a>00061 {<a name="l00062"></a>00062 d_data = <span class="keyword">new</span> QwtAbstractScaleDraw::PrivateData(*other.<a class="code" href="class_qwt_abstract_scale_draw.html#b4435a25242fcf26d3596c3e9d998c17">d_data</a>);<a name="l00063"></a>00063 }<a name="l00064"></a>00064 <a name="l00066"></a><a class="code" href="class_qwt_abstract_scale_draw.html#dc4d3f491b28ee39d728a4a4a9cdd494">00066</a> <a class="code" href="class_qwt_abstract_scale_draw.html#dc4d3f491b28ee39d728a4a4a9cdd494">QwtAbstractScaleDraw::~QwtAbstractScaleDraw</a>()<a name="l00067"></a>00067 {<a name="l00068"></a>00068 <span class="keyword">delete</span> d_data;<a name="l00069"></a>00069 }<a name="l00071"></a><a class="code" href="class_qwt_abstract_scale_draw.html#fe5c86bd7ebfd879b0a8b715a7c700d4">00071</a> <a class="code" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a> &<a class="code" href="class_qwt_abstract_scale_draw.html#fe5c86bd7ebfd879b0a8b715a7c700d4">QwtAbstractScaleDraw::operator=</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a> &other)<a name="l00072"></a>00072 {<a name="l00073"></a>00073 *d_data = *other.<a class="code" href="class_qwt_abstract_scale_draw.html#b4435a25242fcf26d3596c3e9d998c17">d_data</a>;<a name="l00074"></a>00074 <span class="keywordflow">return</span> *<span class="keyword">this</span>;<a name="l00075"></a>00075 }<a name="l00076"></a>00076 <a name="l00085"></a><a class="code" href="class_qwt_abstract_scale_draw.html#f975410588db6103f281e49d0b43c6a6">00085</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_scale_draw.html#f975410588db6103f281e49d0b43c6a6">QwtAbstractScaleDraw::enableComponent</a>(<a name="l00086"></a>00086 <a class="code" href="class_qwt_abstract_scale_draw.html#26215d06a4d48adf401d0aa05d4193c5">ScaleComponent</a> component, <span class="keywordtype">bool</span> enable)<a name="l00087"></a>00087 {<a name="l00088"></a>00088 <span class="keywordflow">if</span> ( enable )<a name="l00089"></a>00089 d_data->components |= component;<a name="l00090"></a>00090 <span class="keywordflow">else</span><a name="l00091"></a>00091 d_data->components &= ~component;<a name="l00092"></a>00092 }<a name="l00093"></a>00093 <a name="l00098"></a><a class="code" href="class_qwt_abstract_scale_draw.html#95d74d9eaa5520754295efb33a4db50f">00098</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_abstract_scale_draw.html#95d74d9eaa5520754295efb33a4db50f">QwtAbstractScaleDraw::hasComponent</a>(<a class="code" href="class_qwt_abstract_scale_draw.html#26215d06a4d48adf401d0aa05d4193c5">ScaleComponent</a> component)<span class="keyword"> const</span><a name="l00099"></a>00099 <span class="keyword"></span>{<a name="l00100"></a>00100 <span class="keywordflow">return</span> (d_data->components & component);<a name="l00101"></a>00101 }<a name="l00102"></a>00102 <a name="l00107"></a><a class="code" href="class_qwt_abstract_scale_draw.html#4399aac94a294f5ed6c52114dde00d2f">00107</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_scale_draw.html#4399aac94a294f5ed6c52114dde00d2f">QwtAbstractScaleDraw::setScaleDiv</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> &sd)<a name="l00108"></a>00108 {<a name="l00109"></a>00109 d_data->scldiv = sd;<a name="l00110"></a>00110 d_data->map.setScaleInterval(sd.<a class="code" href="class_qwt_scale_div.html#a3b6edf00144cdc0a59fbc91784faec3">lBound</a>(), sd.<a class="code" href="class_qwt_scale_div.html#94287d3de0b107e66beea42cfeb1caef">hBound</a>());<a name="l00111"></a>00111 d_data->labelCache.clear();<a name="l00112"></a>00112 }<a name="l00113"></a>00113 <a name="l00118"></a><a class="code" href="class_qwt_abstract_scale_draw.html#0011367eb32519070e6f276ac393dcfb">00118</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_scale_draw.html#0011367eb32519070e6f276ac393dcfb">QwtAbstractScaleDraw::setTransformation</a>(<a name="l00119"></a>00119 <a class="code" href="class_qwt_scale_transformation.html">QwtScaleTransformation</a> *transformation)<a name="l00120"></a>00120 {<a name="l00121"></a>00121 d_data->map.setTransformation(transformation);<a name="l00122"></a>00122 }<a name="l00123"></a>00123 <a name="l00125"></a><a class="code" href="class_qwt_abstract_scale_draw.html#9777f34effee2395dde92a42ef7902fd">00125</a> <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> &<a class="code" href="class_qwt_abstract_scale_draw.html#9777f34effee2395dde92a42ef7902fd">QwtAbstractScaleDraw::map</a>()<span class="keyword"> const</span><a name="l00126"></a>00126 <span class="keyword"></span>{<a name="l00127"></a>00127 <span class="keywordflow">return</span> d_data->map;<a name="l00128"></a>00128 }<a name="l00129"></a>00129 <a name="l00131"></a><a class="code" href="class_qwt_abstract_scale_draw.html#e7488eb63ad73a2e69acb29ff069c904">00131</a> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> &<a class="code" href="class_qwt_abstract_scale_draw.html#e7488eb63ad73a2e69acb29ff069c904">QwtAbstractScaleDraw::scaleMap</a>() <a name="l00132"></a>00132 {<a name="l00133"></a>00133 <span class="keywordflow">return</span> d_data->map;<a name="l00134"></a>00134 }<a name="l00135"></a>00135 <a name="l00137"></a><a class="code" href="class_qwt_abstract_scale_draw.html#82510027cd5bee269628c9d6302a19a9">00137</a> <span class="keyword">const</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a>& <a class="code" href="class_qwt_abstract_scale_draw.html#82510027cd5bee269628c9d6302a19a9">QwtAbstractScaleDraw::scaleDiv</a>()<span class="keyword"> const </span><a name="l00138"></a>00138 <span class="keyword"></span>{ <a name="l00139"></a>00139 <span class="keywordflow">return</span> d_data->scldiv; <a name="l00140"></a>00140 }<a name="l00141"></a>00141 <a name="l00142"></a>00142 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00143"></a>00143 <span class="preprocessor"></span><a name="l00151"></a>00151 <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_scale_draw.html#ca3c3a7499112f52616d0ee8518fa5a6">QwtAbstractScaleDraw::draw</a>(QPainter *painter, <a name="l00152"></a>00152 <span class="keyword">const</span> QColorGroup& colorGroup) <span class="keyword">const</span><a name="l00153"></a>00153 <a name="l00154"></a>00154 <span class="preprocessor">#else</span><a name="l00155"></a>00155 <span class="preprocessor"></span><a name="l00164"></a><a class="code" href="class_qwt_abstract_scale_draw.html#ca3c3a7499112f52616d0ee8518fa5a6">00164</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_scale_draw.html#ca3c3a7499112f52616d0ee8518fa5a6">QwtAbstractScaleDraw::draw</a>(QPainter *painter, <a name="l00165"></a>00165 <span class="keyword">const</span> QPalette& palette) <span class="keyword">const</span><a name="l00166"></a>00166 <span class="preprocessor">#endif</span><a name="l00167"></a>00167 <span class="preprocessor"></span>{<a name="l00168"></a>00168 <span class="keywordflow">if</span> ( hasComponent(QwtAbstractScaleDraw::Labels) )<a name="l00169"></a>00169 {<a name="l00170"></a>00170 painter->save();<a name="l00171"></a>00171 <a name="l00172"></a>00172 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00173"></a>00173 <span class="preprocessor"></span> painter->setPen(colorGroup.text()); <span class="comment">// ignore pen style</span><a name="l00174"></a>00174 <span class="preprocessor">#else</span><a name="l00175"></a>00175 <span class="preprocessor"></span> painter->setPen(palette.color(QPalette::Text)); <span class="comment">// ignore pen style</span><a name="l00176"></a>00176 <span class="preprocessor">#endif</span><a name="l00177"></a>00177 <span class="preprocessor"></span><a name="l00178"></a>00178 <span class="keyword">const</span> QwtValueList &majorTicks = <a name="l00179"></a>00179 d_data->scldiv.ticks(QwtScaleDiv::MajorTick);<a name="l00180"></a>00180 <a name="l00181"></a>00181 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < (int)majorTicks.count(); i++)<a name="l00182"></a>00182 {⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -