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<p>An anchor of an item to which positions can be attached to.  
 <a href="class_q_c_p_item_anchor.html#details">Más...</a></p>
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Diagrama de herencias de QCPItemAnchor</div>
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  <map id="QCPItemAnchor_map" name="QCPItemAnchor_map">
<area href="class_q_c_p_item_position.html" title="Manages the position of an item. " alt="QCPItemPosition" shape="rect" coords="0,56,105,80"/>
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Métodos públicos</h2></td></tr>
<tr class="memitem:aeb6b681d2bf324db40a915d32ec5624f"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_anchor.html#aeb6b681d2bf324db40a915d32ec5624f">QCPItemAnchor</a> (<a class="el" href="class_q_custom_plot.html">QCustomPlot</a> *parentPlot, <a class="el" href="class_q_c_p_abstract_item.html">QCPAbstractItem</a> *parentItem, const QString name, int anchorId=-1)</td></tr>
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<tr class="memitem:ac93984042a58c875e76847dc3e5f75fe"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac93984042a58c875e76847dc3e5f75fe"></a>
QString&#160;</td><td class="memItemRight" valign="bottom"><b>name</b> () const </td></tr>
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<tr class="memitem:ae92def8f9297c5d73f5806c586517bb3"><td class="memItemLeft" align="right" valign="top">virtual QPointF&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_anchor.html#ae92def8f9297c5d73f5806c586517bb3">pixelPoint</a> () const </td></tr>
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Métodos protegidos</h2></td></tr>
<tr class="memitem:ac54b20120669950255a63587193dbb86"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_q_c_p_item_position.html">QCPItemPosition</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_anchor.html#ac54b20120669950255a63587193dbb86">toQCPItemPosition</a> ()</td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><b>addChild</b> (<a class="el" href="class_q_c_p_item_position.html">QCPItemPosition</a> *pos)</td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><b>removeChild</b> (<a class="el" href="class_q_c_p_item_position.html">QCPItemPosition</a> *pos)</td></tr>
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Atributos protegidos</h2></td></tr>
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QString&#160;</td><td class="memItemRight" valign="bottom"><b>mName</b></td></tr>
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<a class="el" href="class_q_custom_plot.html">QCustomPlot</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>mParentPlot</b></td></tr>
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<a class="el" href="class_q_c_p_abstract_item.html">QCPAbstractItem</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>mParentItem</b></td></tr>
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int&#160;</td><td class="memItemRight" valign="bottom"><b>mAnchorId</b></td></tr>
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QSet&lt; <a class="el" href="class_q_c_p_item_position.html">QCPItemPosition</a> * &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>mChildren</b></td></tr>
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Amigas</h2></td></tr>
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class&#160;</td><td class="memItemRight" valign="bottom"><b>QCPItemPosition</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Descripción detallada</h2>
<div class="textblock"><p>An anchor of an item to which positions can be attached to. </p>
<p>An item (<a class="el" href="class_q_c_p_abstract_item.html" title="The abstract base class for all items in a plot. ">QCPAbstractItem</a>) may have one or more anchors. Unlike <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a>, an anchor doesn't control anything on its item, but provides a way to tie other items via their positions to the anchor.</p>
<p>For example, a <a class="el" href="class_q_c_p_item_rect.html" title="A rectangle. ">QCPItemRect</a> is defined by its positions <em>topLeft</em> and <em>bottomRight</em>. Additionally it has various anchors like <em>top</em>, <em>topRight</em> or <em>bottomLeft</em> etc. So you can attach the <em>start</em> (which is a <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a>) of a <a class="el" href="class_q_c_p_item_line.html" title="A line from one point to another. ">QCPItemLine</a> to one of the anchors by calling <a class="el" href="class_q_c_p_item_position.html#ac094d67a95d2dceafa0d50b9db3a7e51">QCPItemPosition::setParentAnchor</a> on <em>start</em>, passing the wanted anchor of the <a class="el" href="class_q_c_p_item_rect.html" title="A rectangle. ">QCPItemRect</a>. This way the start of the line will now always follow the respective anchor location on the rect item.</p>
<p>Note that <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> derives from <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a>, so every position can also serve as an anchor to other positions.</p>
<p>To learn how to provide anchors in your own item subclasses, see the subclassing section of the <a class="el" href="class_q_c_p_abstract_item.html" title="The abstract base class for all items in a plot. ">QCPAbstractItem</a> documentation. </p>
</div><h2 class="groupheader">Documentación del constructor y destructor</h2>
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          <td class="memname">QCPItemAnchor::QCPItemAnchor </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="class_q_custom_plot.html">QCustomPlot</a> *&#160;</td>
          <td class="paramname"><em>parentPlot</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype"><a class="el" href="class_q_c_p_abstract_item.html">QCPAbstractItem</a> *&#160;</td>
          <td class="paramname"><em>parentItem</em>, </td>
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          <td class="paramtype">const QString&#160;</td>
          <td class="paramname"><em>name</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>anchorId</em> = <code>-1</code>&#160;</td>
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          <td>)</td>
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<p>Creates a new <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a>. You shouldn't create <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a> instances directly, even if you want to make a new item subclass. Use QCPAbstractItem::createAnchor instead, as explained in the subclassing section of the <a class="el" href="class_q_c_p_abstract_item.html" title="The abstract base class for all items in a plot. ">QCPAbstractItem</a> documentation. </p>

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<h2 class="groupheader">Documentación de las funciones miembro</h2>
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          <td class="memname">QPointF QCPItemAnchor::pixelPoint </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<p>Returns the final absolute pixel position of the <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a> on the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> surface.</p>
<p>The pixel information is internally retrieved via QCPAbstractItem::anchorPixelPosition of the parent item, <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a> is just an intermediary. </p>

<p>Reimplementado en <a class="el" href="class_q_c_p_item_position.html#ae490f9c76ee2ba33752c495d3b6e8fb5">QCPItemPosition</a>.</p>

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          <td class="memname"><a class="el" href="class_q_c_p_item_position.html">QCPItemPosition</a> * QCPItemAnchor::toQCPItemPosition </td>
          <td>(</td>
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<p>Returns 0 if this instance is merely a <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a>, and a valid pointer of type QCPItemPosition* if it actually is a <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> (which is a subclass of <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a>).</p>
<p>This safe downcast functionality could also be achieved with a dynamic_cast. However, <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> avoids dynamic_cast to work with projects that don't have RTTI support enabled (e.g. -fno-rtti flag with gcc compiler). </p>

<p>Reimplementado en <a class="el" href="class_q_c_p_item_position.html#a577a7efc601df85a20b3e709d1ac320e">QCPItemPosition</a>.</p>

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<hr/>La documentación para esta clase fue generada a partir de los siguientes ficheros:<ul>
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<li><a class="el" href="qcustomplot_8cpp.html">qcustomplot.cpp</a></li>
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