class_qwt_plot_svg_item.html

来自「QWT5.01用于Qt开发的二维图形库程序」· HTML 代码 · 共 505 行 · 第 1/2 页

<p>
Draw the SVG item<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>painter</em>&nbsp;</td><td>Painter </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>xMap</em>&nbsp;</td><td>X-Scale Map </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>yMap</em>&nbsp;</td><td>Y-Scale Map </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>canvasRect</em>&nbsp;</td><td>Contents rect of the plot canvas </td></tr>
  </table>
</dl>

<p>
Implements <a class="el" href="class_qwt_plot_item.html#5483623e4fd1ae85b06b93523784358b">QwtPlotItem</a>.
<p>
Definition at line <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00170">170</a> of file <a class="el" href="qwt__plot__svgitem_8cpp-source.html">qwt_plot_svgitem.cpp</a>.
<p>
References <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00142">boundingRect()</a>, <a class="el" href="qwt__plot__item_8cpp-source.html#l00526">QwtPlotItem::invTransform()</a>, <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00194">render()</a>, <a class="el" href="qwt__plot__item_8cpp-source.html#l00501">QwtPlotItem::transform()</a>, and <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00254">viewBox()</a>.    </td>
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<a class="anchor" name="f40a77332482f79aa4d5254a9123508d"></a><!-- doxytag: member="QwtPlotSvgItem::loadData" ref="f40a77332482f79aa4d5254a9123508d" args="(const QwtDoubleRect &amp;, const QByteArray &amp;)" --><p>
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          <td class="md" nowrap valign="top">bool QwtPlotSvgItem::loadData           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QwtDoubleRect &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rect</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const QByteArray &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>data</em></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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      &nbsp;
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<p>
Load SVG data<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>rect</em>&nbsp;</td><td>Bounding rectangle </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>data</em>&nbsp;</td><td>in SVG format</td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>true, if the SVG data could be loaded </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00123">123</a> of file <a class="el" href="qwt__plot__svgitem_8cpp-source.html">qwt_plot_svgitem.cpp</a>.
<p>
References <a class="el" href="qwt__plot__item_8cpp-source.html#l00286">QwtPlotItem::itemChanged()</a>.    </td>
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<a class="anchor" name="b85890e7f1d89616c99fe34fa29f5d8f"></a><!-- doxytag: member="QwtPlotSvgItem::loadFile" ref="b85890e7f1d89616c99fe34fa29f5d8f" args="(const QwtDoubleRect &amp;, const QString &amp;fileName)" --><p>
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          <td class="md" nowrap valign="top">bool QwtPlotSvgItem::loadFile           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QwtDoubleRect &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rect</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const QString &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>fileName</em></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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      &nbsp;
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<p>
Load a SVG file<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>rect</em>&nbsp;</td><td>Bounding rectangle </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>fileName</em>&nbsp;</td><td>SVG file name</td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>true, if the SVG file could be loaded </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00102">102</a> of file <a class="el" href="qwt__plot__svgitem_8cpp-source.html">qwt_plot_svgitem.cpp</a>.
<p>
References <a class="el" href="qwt__plot__item_8cpp-source.html#l00286">QwtPlotItem::itemChanged()</a>.    </td>
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<a class="anchor" name="80d8b81daf93969e8e3a48ba244854d9"></a><!-- doxytag: member="QwtPlotSvgItem::render" ref="80d8b81daf93969e8e3a48ba244854d9" args="(QPainter *painter, const QwtDoubleRect &amp;viewBox, const QRect &amp;rect) const " --><p>
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          <td class="md" nowrap valign="top">void QwtPlotSvgItem::render           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">QPainter *&nbsp;</td>
          <td class="mdname" nowrap> <em>painter</em>, </td>
        </tr>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const QwtDoubleRect &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>viewBox</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const QRect &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rect</em></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"> const<code> [protected]</code></td>
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      &nbsp;
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    <td>

<p>
Render the SVG data<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>painter</em>&nbsp;</td><td>Painter </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>viewBox</em>&nbsp;</td><td>View Box, see QSvgRenderer::viewBox </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>rect</em>&nbsp;</td><td>Traget rectangle on the paint device </td></tr>
  </table>
</dl>

<p>
Definition at line <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00194">194</a> of file <a class="el" href="qwt__plot__svgitem_8cpp-source.html">qwt_plot_svgitem.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00170">draw()</a>.    </td>
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<a class="anchor" name="4331deca8a2ecdd6a7ebe1be7de22969"></a><!-- doxytag: member="QwtPlotSvgItem::rtti" ref="4331deca8a2ecdd6a7ebe1be7de22969" args="() const " --><p>
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          <td class="md" nowrap valign="top">int QwtPlotSvgItem::rtti           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [virtual]</code></td>
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    </td>
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      &nbsp;
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<p>
<dl compact><dt><b>Returns:</b></dt><dd>QwtPlotItem::Rtti_PlotSVG </dd></dl>

<p>
Reimplemented from <a class="el" href="class_qwt_plot_item.html#f153b5a40a60ac626f1c58e69fc4ecad">QwtPlotItem</a>.
<p>
Definition at line <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00089">89</a> of file <a class="el" href="qwt__plot__svgitem_8cpp-source.html">qwt_plot_svgitem.cpp</a>.    </td>
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<a class="anchor" name="c8e4baf861294607837d1c4951687b1e"></a><!-- doxytag: member="QwtPlotSvgItem::viewBox" ref="c8e4baf861294607837d1c4951687b1e" args="(const QwtDoubleRect &amp;area) const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top">QwtDoubleRect QwtPlotSvgItem::viewBox           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QwtDoubleRect &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>rect</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [protected]</code></td>
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<p>
Calculate the viewBox from an rect and <a class="el" href="class_qwt_plot_svg_item.html#6d93e375e320cef36e00e88a8d9b7b36">boundingRect()</a>.<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>rect</em>&nbsp;</td><td>Rectangle in scale coordinates </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>viewBox View Box, see QSvgRenderer::viewBox </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00254">254</a> of file <a class="el" href="qwt__plot__svgitem_8cpp-source.html">qwt_plot_svgitem.cpp</a>.
<p>
References <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00142">boundingRect()</a>, <a class="el" href="qwt__scale__map_8cpp-source.html#l00180">QwtScaleMap::setPaintInterval()</a>, <a class="el" href="qwt__scale__map_8cpp-source.html#l00153">QwtScaleMap::setScaleInterval()</a>, and <a class="el" href="qwt__scale__map_8h-source.html#l00146">QwtScaleMap::xTransform()</a>.
<p>
Referenced by <a class="el" href="qwt__plot__svgitem_8cpp-source.html#l00170">draw()</a>.    </td>
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