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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: QwtScaleWidget Class Reference</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 id="current"><a href="classes.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="classes.html"><span>Alphabetical List</span></a></li> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul></div><h1>QwtScaleWidget Class Reference</h1><!-- doxytag: class="QwtScaleWidget" --><a href="class_qwt_scale_widget-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>A Widget which contains a scale. <p>This Widget can be used to decorate composite widgets with a scale. <p><p>Definition at line <a class="el" href="qwt__scale__widget_8h-source.html#l00034">34</a> of file <a class="el" href="qwt__scale__widget_8h-source.html">qwt_scale_widget.h</a>.<table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Signals</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#55c52717ede368069f5f44b9901e3400">scaleDivChanged</a> ()</td></tr><tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#ddfd5f0802f85f8abee1d3ff7a1617d6">QwtScaleWidget</a> (QWidget *parent=NULL)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#13c0c28d56a9e44a81990c7c3fbb96e5">QwtScaleWidget</a> (<a class="el" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a>, QWidget *parent=NULL)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#84213c50912000db319b2c7d704f9a33">~QwtScaleWidget</a> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="28ad440a43978d2d50f19e17d0776403"></a><!-- doxytag: member="QwtScaleWidget::setTitle" ref="28ad440a43978d2d50f19e17d0776403" args="(const QString &title)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#28ad440a43978d2d50f19e17d0776403">setTitle</a> (const QString &title)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#1451d5d2293358ba097a833a40015524">setTitle</a> (const <a class="el" href="class_qwt_text.html">QwtText</a> &title)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="class_qwt_text.html">QwtText</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#75ab60ac06977a6cb1991aa2e7979c2e">title</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#75477785c41114e4b2fc08bec64e5d26">setBorderDist</a> (int start, int end)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#b82bb290d685dfaec3894f5892f04ef9">startBorderDist</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#314a2aff4b7629db21b45c8f74b3ae0b">endBorderDist</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#57ca1a6a87417a732e0b1e66ac2a3493">getBorderDistHint</a> (int &start, int &end) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#2927a7cb5157b86c580d7ebed4dc4e7c">getMinBorderDist</a> (int &start, int &end) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#4299d99073231d977924c7e40ff9a6a9">setMinBorderDist</a> (int start, int end)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#36d92ef63d996fe1fd58a46431924ab6">setMargin</a> (int)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#4827906c3f11825d479c6e493c8e1b4c">margin</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#aaad9f3d54fd329b16b738ca2df00ddf">setSpacing</a> (int td)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#1bdb5b6fa77a4535087f1c672ee394ce">spacing</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#af416874df0dbb5932f1427e41e4d1b4">setPenWidth</a> (int)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#69546c75ba60b66c3fe675e69a3f9253">penWidth</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#d2d2f5a313d4b18499416b03613efef8">setScaleDiv</a> (<a class="el" href="class_qwt_scale_transformation.html">QwtScaleTransformation</a> *, const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> &sd)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#f93459026340638898c11a799f4ae0c0">setScaleDraw</a> (<a class="el" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="class_qwt_scale_draw.html">QwtScaleDraw</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#d8603e84f851e5d91feb21beebf19896">scaleDraw</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="class_qwt_scale_draw.html">QwtScaleDraw</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#6ccb7e3a4537396f59fc30c7d76cc20d">scaleDraw</a> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#8d16473c34f8eaea7e6c457a4de25949">setLabelAlignment</a> (Qt::Alignment)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#ea277057b98a66ee8038f6a827e0f404">setLabelRotation</a> (double rotation)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="eb337b8e67fc00ca98bf39a6d70aea61"></a><!-- doxytag: member="QwtScaleWidget::setColorBarEnabled" ref="eb337b8e67fc00ca98bf39a6d70aea61" args="(bool)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#eb337b8e67fc00ca98bf39a6d70aea61">setColorBarEnabled</a> (bool)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0572bc26f5b99654067b916001bce582"></a><!-- doxytag: member="QwtScaleWidget::isColorBarEnabled" ref="0572bc26f5b99654067b916001bce582" args="() const " -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#0572bc26f5b99654067b916001bce582">isColorBarEnabled</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="76eb179267a572944d1ebdbf62c573f1"></a><!-- doxytag: member="QwtScaleWidget::setColorBarWidth" ref="76eb179267a572944d1ebdbf62c573f1" args="(int)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#76eb179267a572944d1ebdbf62c573f1">setColorBarWidth</a> (int)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a5877851d15888977621bfe86b945984"></a><!-- doxytag: member="QwtScaleWidget::colorBarWidth" ref="a5877851d15888977621bfe86b945984" args="() const " -->int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#a5877851d15888977621bfe86b945984">colorBarWidth</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="345b3ca91545033c0f33cce8d9bdc4f3"></a><!-- doxytag: member="QwtScaleWidget::setColorMap" ref="345b3ca91545033c0f33cce8d9bdc4f3" args="(const QwtDoubleInterval &, const QwtColorMap &)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#345b3ca91545033c0f33cce8d9bdc4f3">setColorMap</a> (const <a class="el" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &, const <a class="el" href="class_qwt_color_map.html">QwtColorMap</a> &)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="826ae76271f7902cc0333a75f3dab790"></a><!-- doxytag: member="QwtScaleWidget::colorBarInterval" ref="826ae76271f7902cc0333a75f3dab790" args="() const " --><a class="el" href="class_qwt_double_interval.html">QwtDoubleInterval</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#826ae76271f7902cc0333a75f3dab790">colorBarInterval</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3cf192da4f097012bc86afe4e2e22819"></a><!-- doxytag: member="QwtScaleWidget::colorMap" ref="3cf192da4f097012bc86afe4e2e22819" args="() const " -->const <a class="el" href="class_qwt_color_map.html">QwtColorMap</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#3cf192da4f097012bc86afe4e2e22819">colorMap</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual QSize </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#5ed815b5ac0ed7d43ab923fcd1f5da3d">sizeHint</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual QSize </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#ee41cd1b3eff4cf06559e7a36baee5a5">minimumSizeHint</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#1c488b9304a8e30af20e4da1d397a72f">titleHeightForWidth</a> (int width) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#a3c1f2f5e60ebb8f6fb42297dfe8881b">dimForLength</a> (int length, const QFont &scaleFont) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="44375609584a468c1d9dc2135f7d6127"></a><!-- doxytag: member="QwtScaleWidget::drawColorBar" ref="44375609584a468c1d9dc2135f7d6127" args="(QPainter *painter, const QRect &rect) const " -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#44375609584a468c1d9dc2135f7d6127">drawColorBar</a> (QPainter *painter, const QRect &rect) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#6cb4480b0f4ff5b6862b1f445be91438">drawTitle</a> (QPainter *painter, <a class="el" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a>, const QRect &rect) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#b6421ace2bd56d5559689522336556e0">setAlignment</a> (<a class="el" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a>)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#96c6c060e258e21e609a0f99e59c5e33">alignment</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4c82dfd348421f5a07088cd6663bdbf8"></a><!-- doxytag: member="QwtScaleWidget::colorBarRect" ref="4c82dfd348421f5a07088cd6663bdbf8" args="(const QRect &) const " -->QRect </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#4c82dfd348421f5a07088cd6663bdbf8">colorBarRect</a> (const QRect &) const </td></tr><tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#50af2b1e5f320a63cf71db6d0f18860d">paintEvent</a> (QPaintEvent *e)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#049a30a94bf5ee2da74a5762346a333c">resizeEvent</a> (QResizeEvent *e)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#ab7267f2a3137b94a508a655bfaf4fd4">draw</a> (QPainter *p) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#f151a963ea3cb7f04815db93e8f4882d">scaleChange</a> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_widget.html#5964a55d1572ea775eae3ca93a755358">layoutScale</a> (bool update=true)</td></tr></table><hr><h2>Constructor & Destructor Documentation</h2><a class="anchor" name="ddfd5f0802f85f8abee1d3ff7a1617d6"></a><!-- doxytag: member="QwtScaleWidget::QwtScaleWidget" ref="ddfd5f0802f85f8abee1d3ff7a1617d6" args="(QWidget *parent=NULL)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">QwtScaleWidget::QwtScaleWidget </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">QWidget * </td> <td class="mdname1" valign="top" nowrap> <em>parent</em> = <code>NULL</code> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap><code> [explicit]</code></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Create a scale with the position QwtScaleWidget::Left. <p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>parent</em> </td><td>Parent widget </td></tr> </table></dl><p>Definition at line <a class="el" href="qwt__scale__widget_8cpp-source.html#l00064">64</a> of file <a class="el" href="qwt__scale__widget_8cpp-source.html">qwt_scale_widget.cpp</a>. </td> </tr></table><a class="anchor" name="13c0c28d56a9e44a81990c7c3fbb96e5"></a><!-- doxytag: member="QwtScaleWidget::QwtScaleWidget" ref="13c0c28d56a9e44a81990c7c3fbb96e5" args="(QwtScaleDraw::Alignment, QWidget *parent=NULL)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">QwtScaleWidget::QwtScaleWidget </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a> </td> <td class="mdname" nowrap> <em>align</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>QWidget * </td> <td class="mdname" nowrap> <em>parent</em> = <code>NULL</code></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"><code> [explicit]</code></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Constructor. <p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>align</em> </td><td>Alignment. </td></tr> <tr><td valign="top"></td><td valign="top"><em>parent</em> </td><td>Parent widget </td></tr> </table></dl><p>Definition at line <a class="el" href="qwt__scale__widget_8cpp-source.html#l00088">88</a> of file <a class="el" href="qwt__scale__widget_8cpp-source.html">qwt_scale_widget.cpp</a>. </td> </tr></table><a class="anchor" name="84213c50912000db319b2c7d704f9a33"></a><!-- doxytag: member="QwtScaleWidget::~QwtScaleWidget" ref="84213c50912000db319b2c7d704f9a33" args="()" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">QwtScaleWidget::~QwtScaleWidget </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap><code> [virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Destructor. <p><p>Definition at line <a class="el" href="qwt__scale__widget_8cpp-source.html#l00096">96</a> of file <a class="el" href="qwt__scale__widget_8cpp-source.html">qwt_scale_widget.cpp</a>. </td> </tr></table><hr><h2>Member Function Documentation</h2><a class="anchor" name="96c6c060e258e21e609a0f99e59c5e33"></a><!-- doxytag: member="QwtScaleWidget::alignment" ref="96c6c060e258e21e609a0f99e59c5e33" args="() const " --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr>⌨️ 快捷键说明
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