<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Wt: Wt::WPolygonArea Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css" /> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> </head> <body> <div id="top"><!-- do not remove this div! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Wt  <span id="projectnumber">3.2.3</span> </div> </td> </tr> </tbody> </table> </div> <!-- Generated by Doxygen 1.7.5.1 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" 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--><!-- doxytag: inherits="Wt::WAbstractArea" --> <p>An interactive area in a widget, specified by a polygon. <a href="classWt_1_1WPolygonArea.html#details">More...</a></p> <p><code>#include <Wt/WPolygonArea></code></p> <div class="dynheader"> Inheritance diagram for Wt::WPolygonArea:</div> <div class="dyncontent"> <div class="center"><img src="classWt_1_1WPolygonArea__inherit__graph.png" border="0" usemap="#Wt_1_1WPolygonArea_inherit__map" alt="Inheritance graph"/></div> <map name="Wt_1_1WPolygonArea_inherit__map" id="Wt_1_1WPolygonArea_inherit__map"> <area shape="rect" href="classWt_1_1WAbstractArea.html" title="Abstract base class for interactive areas in a widget." alt="" coords="5,80,141,107"/><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="25,5,121,32"/></map> <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> <p><a href="classWt_1_1WPolygonArea-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPolygonArea.html#afa52a76e46a98a1fcec1d5bdfa816d6d">WPolygonArea</a> ()</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Creates an empty polygon. <a href="#afa52a76e46a98a1fcec1d5bdfa816d6d"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPolygonArea.html#a27b4a6851ec95b3716084d745e04b383">WPolygonArea</a> (const std::vector< <a class="el" href="classWt_1_1WPoint.html">WPoint</a> > &points)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a polygon area with given vertices. <a href="#a27b4a6851ec95b3716084d745e04b383"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPolygonArea.html#a1d32a9af6194e2b3ecf357816e2d90c7">WPolygonArea</a> (const std::vector< <a class="el" href="classWt_1_1WPointF.html">WPointF</a> > &points)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a polygon area with given vertices. <a href="#a1d32a9af6194e2b3ecf357816e2d90c7"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af6876fcbc964c2322008bc40eb1542ce"></a><!-- doxytag: member="Wt::WPolygonArea::addPoint" ref="af6876fcbc964c2322008bc40eb1542ce" args="(int x, int y)" --> void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPolygonArea.html#af6876fcbc964c2322008bc40eb1542ce">addPoint</a> (int x, int y)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Adds a point. <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a870b19dc309ab6386a91d2742463088a"></a><!-- doxytag: member="Wt::WPolygonArea::addPoint" ref="a870b19dc309ab6386a91d2742463088a" args="(double x, double y)" --> void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPolygonArea.html#a870b19dc309ab6386a91d2742463088a">addPoint</a> (double x, double y)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Adds a point. <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a42ec8b148f31ddd30ea2df8da1456d94"></a><!-- doxytag: member="Wt::WPolygonArea::addPoint" ref="a42ec8b148f31ddd30ea2df8da1456d94" args="(const WPoint &point)" --> void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPolygonArea.html#a42ec8b148f31ddd30ea2df8da1456d94">addPoint</a> (const <a class="el" href="classWt_1_1WPoint.html">WPoint</a> &point)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Adds a point. <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a73d7505c0ceb966de94b1f7cd2a1491f"></a><!-- doxytag: member="Wt::WPolygonArea::addPoint" ref="a73d7505c0ceb966de94b1f7cd2a1491f" args="(const WPointF &point)" --> void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPolygonArea.html#a73d7505c0ceb966de94b1f7cd2a1491f">addPoint</a> (const <a class="el" href="classWt_1_1WPointF.html">WPointF</a> &point)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Adds a point. <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPolygonArea.html#af69651570f280e4f647a32108712940c">setPoints</a> (const std::vector< <a class="el" href="classWt_1_1WPoint.html">WPoint</a> > &points)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the polygon vertices. <a href="#af69651570f280e4f647a32108712940c"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPolygonArea.html#a9e036986557cab012105947f07cf5d13">setPoints</a> (const std::vector< <a class="el" href="classWt_1_1WPointF.html">WPointF</a> > &points)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the polygon vertices. <a href="#a9e036986557cab012105947f07cf5d13"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">const std::vector< <a class="el" href="classWt_1_1WPoint.html">WPoint</a> > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPolygonArea.html#a3ba6dfe5e328421904816f94915303f2">points</a> () const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the polygon vertices. <a href="#a3ba6dfe5e328421904816f94915303f2"></a><br/></td></tr> </table> <hr/><a name="details" id="details"></a><h2>Detailed Description</h2> <div class="textblock"><p>An interactive area in a widget, specified by a polygon. </p> <p>The area may be added to a <a class="el" href="classWt_1_1WImage.html" title="A widget that displays an image.">WImage</a> or <a class="el" href="classWt_1_1WPaintedWidget.html" title="A widget that is painted using vector graphics.">WPaintedWidget</a> to provide interactivity on a polygon area of the image. The polygon is specified in pixel coordinates, and uses an even-odd winding rule (overlaps create holes).</p> <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WImage.html" title="A widget that displays an image.">Wt::WImage</a> *image = <span class="keyword">new</span> <a class="code" href="classWt_1_1WImage.html" title="A widget that displays an image.">Wt::WImage</a>(<span class="stringliteral">"images/family.jpg"</span>); <a class="code" href="classWt_1_1WPolygonArea.html" title="An interactive area in a widget, specified by a polygon.">Wt::WPolygonArea</a> *face = <span class="keyword">new</span> <a class="code" href="classWt_1_1WPolygonArea.html#afa52a76e46a98a1fcec1d5bdfa816d6d" title="Creates an empty polygon.">Wt::WPolygonArea</a>(); face-><a class="code" href="classWt_1_1WPolygonArea.html#af6876fcbc964c2322008bc40eb1542ce" title="Adds a point.">addPoint</a>(100, 120); face-><a class="code" href="classWt_1_1WPolygonArea.html#af6876fcbc964c2322008bc40eb1542ce" title="Adds a point.">addPoint</a>(300, 120); face-><a class="code" href="classWt_1_1WPolygonArea.html#af6876fcbc964c2322008bc40eb1542ce" title="Adds a point.">addPoint</a> (200, 250); face-><a class="code" href="classWt_1_1WAbstractArea.html#a310e8e1d6360d22bf8bf0e484a52b8f9" title="Sets the tooltip.">setToolTip</a>(<span class="stringliteral">"Uncle Frank"</span>); image-><a class="code" href="classWt_1_1WImage.html#aa5737b44a5161b8494b2691c20315417" title="Adds an interactive area.">addArea</a>(face); </pre></div><p>The polygon area corresponds to the HTML <code><area shape="poly"></code> tag.</p> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WImage.html#aa5737b44a5161b8494b2691c20315417" title="Adds an interactive area.">WImage::addArea()</a>, <a class="el" href="classWt_1_1WPaintedWidget.html#ac4c031c7ab47e85f27aac09b7fc37bea" title="Adds an interactive area.">WPaintedWidget::addArea()</a> </dd> <dd> <a class="el" href="classWt_1_1WCircleArea.html" title="A interactive area in a widget, specified by a circle.">WCircleArea</a>, <a class="el" href="classWt_1_1WRectArea.html" title="A interactive area in a widget, specified by a rectangle.">WRectArea</a> </dd></dl> </div><hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="afa52a76e46a98a1fcec1d5bdfa816d6d"></a><!-- doxytag: member="Wt::WPolygonArea::WPolygonArea" ref="afa52a76e46a98a1fcec1d5bdfa816d6d" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">Wt::WPolygonArea::WPolygonArea </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Creates an empty polygon. </p> <p>Defines an empty polygon. </p> </div> </div> <a class="anchor" id="a27b4a6851ec95b3716084d745e04b383"></a><!-- doxytag: member="Wt::WPolygonArea::WPolygonArea" ref="a27b4a6851ec95b3716084d745e04b383" args="(const std::vector< WPoint > &points)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">Wt::WPolygonArea::WPolygonArea </td> <td>(</td> <td class="paramtype">const std::vector< <a class="el" href="classWt_1_1WPoint.html">WPoint</a> > & </td> <td class="paramname"><em>points</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Creates a polygon area with given vertices. </p> <p>The polygon is defined with vertices corresponding to <code>points</code>. The polygon is closed by connecting the last point with the first point. </p> </div> </div> <a class="anchor" id="a1d32a9af6194e2b3ecf357816e2d90c7"></a><!-- doxytag: member="Wt::WPolygonArea::WPolygonArea" ref="a1d32a9af6194e2b3ecf357816e2d90c7" args="(const std::vector< WPointF > &points)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">Wt::WPolygonArea::WPolygonArea </td> <td>(</td> <td class="paramtype">const std::vector< <a class="el" href="classWt_1_1WPointF.html">WPointF</a> > & </td> <td class="paramname"><em>points</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Creates a polygon area with given vertices. </p> <p>The polygon is defined with vertices corresponding to <code>points</code>. The polygon is closed by connecting the last point with the first point. </p> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a3ba6dfe5e328421904816f94915303f2"></a><!-- doxytag: member="Wt::WPolygonArea::points" ref="a3ba6dfe5e328421904816f94915303f2" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">const std::vector<<a class="el" href="classWt_1_1WPoint.html">WPoint</a>>& Wt::WPolygonArea::points </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </div> <div class="memdoc"> <p>Returns the polygon vertices. </p> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPolygonArea.html#af69651570f280e4f647a32108712940c" title="Sets the polygon vertices.">setPoints()</a> </dd></dl> </div> </div> <a class="anchor" id="af69651570f280e4f647a32108712940c"></a><!-- doxytag: member="Wt::WPolygonArea::setPoints" ref="af69651570f280e4f647a32108712940c" args="(const std::vector< WPoint > &points)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void Wt::WPolygonArea::setPoints </td> <td>(</td> <td class="paramtype">const std::vector< <a class="el" href="classWt_1_1WPoint.html">WPoint</a> > & </td> <td class="paramname"><em>points</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Sets the polygon vertices. </p> <p>The polygon is defined with vertices corresponding to <code>points</code>. The polygon is closed by connecting the last point with the first point. </p> </div> </div> <a class="anchor" id="a9e036986557cab012105947f07cf5d13"></a><!-- doxytag: member="Wt::WPolygonArea::setPoints" ref="a9e036986557cab012105947f07cf5d13" args="(const std::vector< WPointF > &points)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void Wt::WPolygonArea::setPoints </td> <td>(</td> <td class="paramtype">const std::vector< <a class="el" href="classWt_1_1WPointF.html">WPointF</a> > & </td> <td class="paramname"><em>points</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Sets the polygon vertices. </p> <p>The polygon is defined with vertices corresponding to <code>points</code>. The polygon is closed by connecting the last point with the first point. </p> </div> </div> </div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Enumerator</a></div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <hr size="1"><address style="text-align: right; margin: 3px"><small> Generated on Thu Nov 1 2012 for <a href="http://www.webtoolkit.eu/wt">the C++ Web Toolkit (Wt)</a> by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" border="0" style="vertical-align: middle; display: inline-block; height: 2em"></a> 1.7.5.1</small></address> </body> </html>