<!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>mrpt::opengl::mrptEventGLPreRender Class Reference</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <div align="left"><a href="http://www.mrpt.org/">Main MRPT website</a> > <b>C++ reference</b> </div> <div align="right"> <a href="index.html"><img border="0" src="mrpt_logo.png" alt="MRPT logo"></a> </div> <!-- Generated by Doxygen 1.7.5 --> <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"> <div class="left"> <form id="FSearchBox" action="search.php" method="get"> <img id="MSearchSelect" src="search/mag.png" alt=""/> <input type="text" id="MSearchField" name="query" value="Search" size="20" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)"/> </form> </div><div class="right"></div> </div> </li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="inherits.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="namespacemrpt.html">mrpt</a> </li> <li class="navelem"><a class="el" href="namespacemrpt_1_1opengl.html">opengl</a> </li> <li class="navelem"><a class="el" href="classmrpt_1_1opengl_1_1mrpt_event_g_l_pre_render.html">mrptEventGLPreRender</a> </li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="#pub-attribs">Public Attributes</a> | <a href="#pro-methods">Protected Member Functions</a> </div> <div class="headertitle"> <div class="title">mrpt::opengl::mrptEventGLPreRender Class Reference</div> </div> </div> <div class="contents"> <!-- doxytag: class="mrpt::opengl::mrptEventGLPreRender" --><!-- doxytag: inherits="mrpt::utils::mrptEvent" --><hr/><a name="details" id="details"></a><h2>Detailed Description</h2> <div class="textblock"><p>An event sent by an <a class="el" href="classmrpt_1_1opengl_1_1_c_open_g_l_viewport.html" title="A viewport within a COpenGLScene, containing a set of OpenGL objects to render.">mrpt::opengl::COpenGLViewport</a> just after clearing the viewport and setting the GL_PROJECTION matrix, and before calling the scene OpenGL drawing primitives. </p> <p>While handling this event you can call OpenGL glBegin(),glEnd(),gl* functions or those in <a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html" title="A set of auxiliary functions that can be called to render OpenGL primitives from MRPT or user code...">mrpt::opengl::gl_utils</a> to draw stuff *in the back* of the normal objects contained in the <a class="el" href="classmrpt_1_1opengl_1_1_c_open_g_l_scene.html" title="This class allows the user to create, load, save, and render 3D scenes using OpenGL primitives...">COpenGLScene</a>.</p> <p>After processing this event, <a class="el" href="classmrpt_1_1opengl_1_1_c_open_g_l_viewport.html" title="A viewport within a COpenGLScene, containing a set of OpenGL objects to render.">COpenGLViewport</a> will change the OpenGL matrix mode into "GL_MODELVIEW" and load an identity matrix to continue rendering the scene objects as usual. Any change done to the GL_PROJECTION will have effects, so do a glPushMatrix()/glPopMatrix() if that is not your intention.</p> <p>IMPORTANTE NOTICE: Event handlers in your observer class will most likely be invoked from an internal GUI thread of MRPT, so all your code in the handler must be thread safe. </p> </div> <p><code>#include <<a class="el" href="_c_open_g_l_viewport_8h_source.html">mrpt/opengl/COpenGLViewport.h</a>></code></p> <div class="dynheader"> Inheritance diagram for mrpt::opengl::mrptEventGLPreRender:</div> <div class="dyncontent"> <div class="center"><img src="classmrpt_1_1opengl_1_1mrpt_event_g_l_pre_render__inherit__graph.png" border="0" usemap="#mrpt_1_1opengl_1_1mrpt_event_g_l_pre_render_inherit__map" alt="Inheritance graph"/></div> <map name="mrpt_1_1opengl_1_1mrpt_event_g_l_pre_render_inherit__map" id="mrpt_1_1opengl_1_1mrpt_event_g_l_pre_render_inherit__map"> <area shape="rect" id="node2" href="classmrpt_1_1utils_1_1mrpt_event.html" title="The basic event type for the observer-observable pattern in MRPT." alt="" coords="51,5,199,32"/></map> <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> <p><a href="classmrpt_1_1opengl_1_1mrpt_event_g_l_pre_render-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="classmrpt_1_1opengl_1_1mrpt_event_g_l_pre_render.html#a6a7abdaba71b7645b2721be7ed784e19">mrptEventGLPreRender</a> (const <a class="el" href="classmrpt_1_1opengl_1_1_c_open_g_l_viewport.html">COpenGLViewport</a> *obj)</td></tr> <tr><td class="memTemplParams" colspan="2">template<class EVENTTYPE > </td></tr> <tr><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1mrpt_event.html#aa9971e6282c268bd4380e294bfb71b60">isOfType</a> () const </td></tr> <tr><td class="memTemplParams" colspan="2">template<class EVENTTYPE > </td></tr> <tr><td class="memTemplItemLeft" align="right" valign="top">const EVENTTYPE * </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1mrpt_event.html#ab487ce428310b75d268edadff6be6c0c">getAs</a> () const </td></tr> <tr><td colspan="2"><h2><a name="pub-attribs"></a> Public Attributes</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classmrpt_1_1opengl_1_1_c_open_g_l_viewport.html">COpenGLViewport</a> *const </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1opengl_1_1mrpt_event_g_l_pre_render.html#af4c0053156ea3f6db07ae166ccdf12e7">source_viewport</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__time__date.html#ga42674286d8d56afea013b6329bb7327a">mrpt::system::TTimeStamp</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1mrpt_event.html#aceba670cb9ef07097a20af98b5e40f61">timestamp</a></td></tr> <tr><td colspan="2"><h2><a name="pro-methods"></a> Protected Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1opengl_1_1mrpt_event_g_l_pre_render.html#a17e4b0221e743d4dd47cf124e3f15870">do_nothing</a> ()</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Just to allow this class to be polymorphic. <a href="#a17e4b0221e743d4dd47cf124e3f15870"></a><br/></td></tr> </table> <hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="a6a7abdaba71b7645b2721be7ed784e19"></a><!-- doxytag: member="mrpt::opengl::mrptEventGLPreRender::mrptEventGLPreRender" ref="a6a7abdaba71b7645b2721be7ed784e19" args="(const COpenGLViewport *obj)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">mrpt::opengl::mrptEventGLPreRender::mrptEventGLPreRender </td> <td>(</td> <td class="paramtype">const <a class="el" href="classmrpt_1_1opengl_1_1_c_open_g_l_viewport.html">COpenGLViewport</a> * </td> <td class="paramname"><em>obj</em></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Definition at line <a class="el" href="_c_open_g_l_viewport_8h_source.html#l00376">376</a> of file <a class="el" href="_c_open_g_l_viewport_8h_source.html">COpenGLViewport.h</a>.</p> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a17e4b0221e743d4dd47cf124e3f15870"></a><!-- doxytag: member="mrpt::opengl::mrptEventGLPreRender::do_nothing" ref="a17e4b0221e743d4dd47cf124e3f15870" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual void mrpt::opengl::mrptEventGLPreRender::do_nothing </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline, protected, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Just to allow this class to be polymorphic. </p> <p>Reimplemented from <a class="el" href="classmrpt_1_1utils_1_1mrpt_event.html#acfe7c36c5c89d7efd437f83870171f0a">mrpt::utils::mrptEvent</a>.</p> <p>Definition at line <a class="el" href="_c_open_g_l_viewport_8h_source.html#l00374">374</a> of file <a class="el" href="_c_open_g_l_viewport_8h_source.html">COpenGLViewport.h</a>.</p> </div> </div> <a class="anchor" id="ab487ce428310b75d268edadff6be6c0c"></a><!-- doxytag: member="mrpt::opengl::mrptEventGLPreRender::getAs" ref="ab487ce428310b75d268edadff6be6c0c" args="() const " --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<class EVENTTYPE > </div> <table class="memname"> <tr> <td class="memname">const EVENTTYPE* mrpt::utils::mrptEvent::getAs </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const<code> [inline, inherited]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Definition at line <a class="el" href="mrpt_event_8h_source.html#l00066">66</a> of file <a class="el" href="mrpt_event_8h_source.html">mrptEvent.h</a>.</p> </div> </div> <a class="anchor" id="aa9971e6282c268bd4380e294bfb71b60"></a><!-- doxytag: member="mrpt::opengl::mrptEventGLPreRender::isOfType" ref="aa9971e6282c268bd4380e294bfb71b60" args="() const " --> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<class EVENTTYPE > </div> <table class="memname"> <tr> <td class="memname">bool mrpt::utils::mrptEvent::isOfType </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const<code> [inline, inherited]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Definition at line <a class="el" href="mrpt_event_8h_source.html#l00063">63</a> of file <a class="el" href="mrpt_event_8h_source.html">mrptEvent.h</a>.</p> </div> </div> <hr/><h2>Member Data Documentation</h2> <a class="anchor" id="af4c0053156ea3f6db07ae166ccdf12e7"></a><!-- doxytag: member="mrpt::opengl::mrptEventGLPreRender::source_viewport" ref="af4c0053156ea3f6db07ae166ccdf12e7" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">const <a class="el" href="classmrpt_1_1opengl_1_1_c_open_g_l_viewport.html">COpenGLViewport</a>* const <a class="el" href="classmrpt_1_1opengl_1_1mrpt_event_g_l_pre_render.html#af4c0053156ea3f6db07ae166ccdf12e7">mrpt::opengl::mrptEventGLPreRender::source_viewport</a></td> </tr> </table> </div> <div class="memdoc"> <p>Definition at line <a class="el" href="_c_open_g_l_viewport_8h_source.html#l00377">377</a> of file <a class="el" href="_c_open_g_l_viewport_8h_source.html">COpenGLViewport.h</a>.</p> </div> </div> <a class="anchor" id="aceba670cb9ef07097a20af98b5e40f61"></a><!-- doxytag: member="mrpt::opengl::mrptEventGLPreRender::timestamp" ref="aceba670cb9ef07097a20af98b5e40f61" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__time__date.html#ga42674286d8d56afea013b6329bb7327a">mrpt::system::TTimeStamp</a> <a class="el" href="classmrpt_1_1utils_1_1mrpt_event.html#aceba670cb9ef07097a20af98b5e40f61">mrpt::utils::mrptEvent::timestamp</a><code> [inherited]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Definition at line <a class="el" href="mrpt_event_8h_source.html#l00068">68</a> of file <a class="el" href="mrpt_event_8h_source.html">mrptEvent.h</a>.</p> </div> </div> </div> <br><hr><br> <table border="0" width="100%"> <tr> <td> Page generated by <a href="http://www.doxygen.org" target="_blank">Doxygen 1.7.5</a> for MRPT 0.9.5 SVN: at Sun Sep 25 17:20:18 UTC 2011</td><td></td> <td width="100"> </td> <td width="150"> </td></tr> </table> </body></html>