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Breadcrumbs go here --> <li><a href="modules.html">Modules</a></li> <li><a href="qt3support.html">Qt3Support</a></li> <li>Q3CanvasPolygon</li> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#protected-functions">Protected Functions</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <h1 class="title">Q3CanvasPolygon Class Reference</h1> <!-- $$$Q3CanvasPolygon-brief --> <p>The Q3CanvasPolygon class provides a polygon on a <a href="q3canvas.html">Q3Canvas</a>. <a href="#details">More...</a></p> <!-- @@@Q3CanvasPolygon --> <pre class="cpp"> <span class="preprocessor">#include <Q3CanvasPolygon></span></pre><p><b>This class is part of the Qt 3 support library.</b> It is provided to keep old source code working. We strongly advise against using it in new code. See <a href="porting4.html">Porting to Qt 4</a> for more information.</p> <p><b>Inherits: </b><a href="q3canvaspolygonalitem.html">Q3CanvasPolygonalItem</a>.</p> <p><b>Inherited by: </b><a href="q3canvasspline.html">Q3CanvasSpline</a>.</p> <ul> <li><a href="q3canvaspolygon-members.html">List of all members, including inherited members</a></li> </ul> <a name="public-functions"></a> <h2>Public Functions</h2> <table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="q3canvaspolygon.html#Q3CanvasPolygon">Q3CanvasPolygon</a></b> ( Q3Canvas * <i>canvas</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="q3canvaspolygon.html#dtor.Q3CanvasPolygon">~Q3CanvasPolygon</a></b> ()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> Q3PointArray </td><td class="memItemRight bottomAlign"><b><a href="q3canvaspolygon.html#points">points</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="q3canvaspolygon.html#setPoints">setPoints</a></b> ( Q3PointArray <i>pa</i> )</td></tr> </table> <a name="reimplemented-public-functions"></a> <h2>Reimplemented Public Functions</h2> <table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> virtual Q3PointArray </td><td class="memItemRight bottomAlign"><b><a href="q3canvaspolygon.html#areaPoints">areaPoints</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="q3canvaspolygon.html#moveBy">moveBy</a></b> ( double <i>dx</i>, double <i>dy</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="q3canvaspolygon.html#rtti">rtti</a></b> () const</td></tr> </table> <ul> <li class="fn">9 public functions inherited from <a href="q3canvaspolygonalitem.html#public-functions">Q3CanvasPolygonalItem</a></li> <li class="fn">34 public functions inherited from <a href="q3canvasitem.html#public-functions">Q3CanvasItem</a></li> </ul> <a name="reimplemented-protected-functions"></a> <h2>Reimplemented Protected Functions</h2> <table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="q3canvaspolygon.html#drawShape">drawShape</a></b> ( QPainter & <i>p</i> )</td></tr> </table> <ul> <li class="fn">6 protected functions inherited from <a href="q3canvaspolygonalitem.html#protected-functions">Q3CanvasPolygonalItem</a></li> <li class="fn">1 protected function inherited from <a href="q3canvasitem.html#protected-functions">Q3CanvasItem</a></li> </ul> <a name="details"></a> <!-- $$$Q3CanvasPolygon-description --> <div class="descr"> <h2>Detailed Description</h2> <p>The Q3CanvasPolygon class provides a polygon on a <a href="q3canvas.html">Q3Canvas</a>.</p> <p>Paints a polygon with a <a href="qbrush.html">QBrush</a>. The polygon's points can be set in the constructor or set or changed later using <a href="q3canvaspolygon.html#setPoints">setPoints</a>(). Use <a href="q3canvaspolygon.html#points">points</a>() to retrieve the points, or <a href="q3canvaspolygon.html#areaPoints">areaPoints</a>() to retrieve the points relative to the canvas's origin.</p> <p>The polygon can be drawn on a painter with <a href="q3canvaspolygon.html#drawShape">drawShape</a>().</p> <p>Like any other canvas item polygons can be moved with <a href="q3canvasitem.html#move">Q3CanvasItem::move</a>() and <a href="q3canvasitem.html#moveBy">Q3CanvasItem::moveBy</a>(), or by setting coordinates with <a href="q3canvasitem.html#setX">Q3CanvasItem::setX</a>(), <a href="q3canvasitem.html#setY">Q3CanvasItem::setY</a>() and <a href="q3canvasitem.html#setZ">Q3CanvasItem::setZ</a>().</p> <p>Note: Q3CanvasPolygon does not use the pen.</p> </div> <p><b>See also </b><a href="http://www.qt.io/product/">QtCanvas</a> and <a href="graphicsview-porting.html">Porting to Graphics View</a>.</p> <!-- @@@Q3CanvasPolygon --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$Q3CanvasPolygon[overload1]$$$Q3CanvasPolygonQ3Canvas* --> <h3 class="fn"><a name="Q3CanvasPolygon"></a>Q3CanvasPolygon::<span class="name">Q3CanvasPolygon</span> ( <span class="type"><a href="q3canvas.html">Q3Canvas</a></span> * <i>canvas</i> )</h3> <p>Constructs a point-less polygon on the canvas <i>canvas</i>. You should call <a href="q3canvaspolygon.html#setPoints">setPoints</a>() before using it further.</p> <!-- @@@Q3CanvasPolygon --> <!-- $$$~Q3CanvasPolygon[overload1]$$$~Q3CanvasPolygon --> <h3 class="fn"><a name="dtor.Q3CanvasPolygon"></a>Q3CanvasPolygon::<span class="name">~Q3CanvasPolygon</span> ()</h3> <p>Destroys the polygon.</p> <!-- @@@~Q3CanvasPolygon --> <!-- $$$areaPoints[overload1]$$$areaPoints --> <h3 class="fn"><a name="areaPoints"></a><span class="type"><a href="q3pointarray.html">Q3PointArray</a></span> Q3CanvasPolygon::<span class="name">areaPoints</span> () const<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="q3canvaspolygonalitem.html#areaPoints">Q3CanvasPolygonalItem::areaPoints</a>().</p> <p>Returns the vertices of the polygon translated by the polygon's current <a href="q3canvasitem.html#x">x</a>(), <a href="q3canvasitem.html#y">y</a>() position, i.e. relative to the canvas's origin.</p> <p><b>See also </b><a href="q3canvaspolygon.html#setPoints">setPoints</a>() and <a href="q3canvaspolygon.html#points">points</a>().</p> <!-- @@@areaPoints --> <!-- $$$drawShape[overload1]$$$drawShapeQPainter& --> <h3 class="fn"><a name="drawShape"></a><span class="type">void</span> Q3CanvasPolygon::<span class="name">drawShape</span> ( <span class="type"><a href="qpainter.html">QPainter</a></span> & <i>p</i> )<tt> [virtual protected]</tt></h3> <p>Reimplemented from <a href="q3canvaspolygonalitem.html#drawShape">Q3CanvasPolygonalItem::drawShape</a>().</p> <p>Draws the polygon using the painter <i>p</i>.</p> <p>Note that <a href="q3canvaspolygon.html" class="compat">Q3CanvasPolygon</a> does not support an outline (the pen is always NoPen).</p> <!-- @@@drawShape --> <!-- $$$moveBy[overload1]$$$moveBydoubledouble --> <h3 class="fn"><a name="moveBy"></a><span class="type">void</span> Q3CanvasPolygon::<span class="name">moveBy</span> ( <span class="type">double</span> <i>dx</i>, <span class="type">double</span> <i>dy</i> )<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="q3canvasitem.html#moveBy">Q3CanvasItem::moveBy</a>().</p> <!-- @@@moveBy --> <!-- $$$points[overload1]$$$points --> <h3 class="fn"><a name="points"></a><span class="type"><a href="q3pointarray.html">Q3PointArray</a></span> Q3CanvasPolygon::<span class="name">points</span> () const</h3> <p>Returns the vertices of the polygon, not translated by the position.</p> <p><b>See also </b><a href="q3canvaspolygon.html#setPoints">setPoints</a>() and <a href="q3canvaspolygon.html#areaPoints">areaPoints</a>().</p> <!-- @@@points --> <!-- $$$rtti[overload1]$$$rtti --> <h3 class="fn"><a name="rtti"></a><span class="type">int</span> Q3CanvasPolygon::<span class="name">rtti</span> () const<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="q3canvasitem.html#rtti">Q3CanvasItem::rtti</a>().</p> <p>Returns 4 (<a href="q3canvasitem.html#RttiValues-enum">Q3CanvasItem::Rtti_Polygon</a>).</p> <p><b>See also </b><a href="q3canvasitem.html#rtti">Q3CanvasItem::rtti</a>().</p> <!-- @@@rtti --> <!-- $$$setPoints[overload1]$$$setPointsQ3PointArray --> <h3 class="fn"><a name="setPoints"></a><span class="type">void</span> Q3CanvasPolygon::<span class="name">setPoints</span> ( <span class="type"><a href="q3pointarray.html">Q3PointArray</a></span> <i>pa</i> )</h3> <p>Sets the points of the polygon to be <i>pa</i>. These points will have their x and y coordinates automatically translated by <a href="q3canvasitem.html#x">x</a>(), <a href="q3canvasitem.html#y">y</a>() as the polygon is moved.</p> <p><b>See also </b><a href="q3canvaspolygon.html#points">points</a>().</p> <!-- @@@setPoints --> </div> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.</p> <br /> <p> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.</p> <p> Documentation sources may be obtained from <a href="http://www.qt-project.org"> www.qt-project.org</a>.</p> <br /> <p> Qt and respective logos are trademarks of The Qt Company Ltd in Finland and/or other countries worldwide. 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