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<div class="title">gl_utils.h File Reference</div> </div>
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<div class="textblock"><code>#include <<a class="el" href="utils__defs_8h_source.html">mrpt/utils/utils_defs.h</a>></code><br/>
<code>#include <<a class="el" href="opengl__fonts_8h_source.html">mrpt/opengl/opengl_fonts.h</a>></code><br/>
<code>#include <<a class="el" href="_c_renderizable_8h_source.html">mrpt/opengl/CRenderizable.h</a>></code><br/>
<code>#include <<a class="el" href="opengl_2include_2mrpt_2opengl_2link__pragmas_8h_source.html">mrpt/opengl/link_pragmas.h</a>></code><br/>
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<p><a href="gl__utils_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
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Classes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structmrpt_1_1opengl_1_1gl__utils_1_1_t_render_info.html">mrpt::opengl::gl_utils::TRenderInfo</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Information about the rendering process being issued. <a href="structmrpt_1_1opengl_1_1gl__utils_1_1_t_render_info.html#details">More...</a><br/></td></tr>
<tr><td colspan="2"><h2><a name="namespaces"></a>
Namespaces</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">namespace  </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt.html">mrpt</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>This is the global namespace for all Mobile Robot Programming Toolkit (MRPT) libraries. </p>
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<tr><td class="memItemLeft" align="right" valign="top">namespace  </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl.html">mrpt::opengl</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>The namespace for 3D scene representation and rendering. </p>
<br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">namespace  </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html">mrpt::opengl::gl_utils</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>A set of auxiliary functions that can be called to render OpenGL primitives from MRPT or user code. </p>
<br/></td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Miscellaneous rendering methods</div></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void OPENGL_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#a6f44cd8895c79190cc855902bdbd1647">mrpt::opengl::gl_utils::renderSetOfObjects</a> (const <a class="el" href="namespacemrpt_1_1opengl.html#a2a98ed1cbee2bf526d35d6d3cc8ae9f6">mrpt::opengl::CListOpenGLObjects</a> &objs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">For each object in the list: <a href="#a6f44cd8895c79190cc855902bdbd1647"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void OPENGL_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#a364a7dbde49db4815f8b930d4114871a">mrpt::opengl::gl_utils::checkOpenGLError</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Checks glGetError and throws an exception if an error situation is found. <a href="#a364a7dbde49db4815f8b930d4114871a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void OPENGL_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#a463454f7058a13593aeb1c78713a2dc6">mrpt::opengl::gl_utils::renderTriangleWithNormal</a> (const <a class="el" href="structmrpt_1_1math_1_1_t_point3_d.html">mrpt::math::TPoint3D</a> &p1, const <a class="el" href="structmrpt_1_1math_1_1_t_point3_d.html">mrpt::math::TPoint3D</a> &p2, const <a class="el" href="structmrpt_1_1math_1_1_t_point3_d.html">mrpt::math::TPoint3D</a> &p3)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Can be used by derived classes to draw a triangle with a normal vector computed automatically - to be called within a glBegin()-glEnd() block. <a href="#a463454f7058a13593aeb1c78713a2dc6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void OPENGL_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#adeeda3c1d38cc177f8bf58b77f2b13e6">mrpt::opengl::gl_utils::getCurrentRenderingInfo</a> (TRenderInfo &ri)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gather useful information on the render parameters. <a href="#adeeda3c1d38cc177f8bf58b77f2b13e6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void OPENGL_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#ac879b1d810641376723af2928c9a5a19">mrpt::opengl::gl_utils::renderMessageBox</a> (const float msg_x, const float msg_y, const float msg_w, const float msg_h, const <a class="el" href="classstd_1_1string.html">std::string</a> &text, float text_scale, const <a class="el" href="structmrpt_1_1utils_1_1_t_color.html">mrpt::utils::TColor</a> back_col=<a class="el" href="structmrpt_1_1utils_1_1_t_color.html">mrpt::utils::TColor</a>(0, 0, 50, 150), const <a class="el" href="structmrpt_1_1utils_1_1_t_color.html">mrpt::utils::TColor</a> border_col=<a class="el" href="structmrpt_1_1utils_1_1_t_color.html">mrpt::utils::TColor</a>(0, 0, 0, 140), const <a class="el" href="structmrpt_1_1utils_1_1_t_color.html">mrpt::utils::TColor</a> text_col=<a class="el" href="structmrpt_1_1utils_1_1_t_color.html">mrpt::utils::TColor</a>(255, 255, 255, 220), const float border_width=4.0f, const std::string &text_font=std::string("sans"), mrpt::opengl::TOpenGLFontStyle text_style=mrpt::opengl::FILL, const double text_spacing=1.5, const double text_kerning=0.1)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Draws a message box with a centered (possibly multi-lined) text. <a href="#ac879b1d810641376723af2928c9a5a19"></a><br/></td></tr>
<tr><td colspan="2"><div class="groupHeader">OpenGL bitmapped 2D fonts</div></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void OPENGL_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#a765b951c5dfac68de0300b0884327444">mrpt::opengl::gl_utils::renderTextBitmap</a> (const char *str, void *fontStyle)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This method is safe for calling from within ::render() methods. <a href="#a765b951c5dfac68de0300b0884327444"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int OPENGL_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#a9eaa1ac5fcd5347d6a34f257a20bb5db">mrpt::opengl::gl_utils::textBitmapWidth</a> (const <a class="el" href="classstd_1_1string.html">std::string</a> &str, <a class="el" href="group__mrpt__opengl__grp.html#ga4e54252970d0b0a6dd251335064a2346">mrpt::opengl::TOpenGLFont</a> font=mrpt::opengl::MRPT_GLUT_BITMAP_TIMES_ROMAN_24)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the exact width in pixels for a given string, as will be rendered by <a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#a765b951c5dfac68de0300b0884327444" title="This method is safe for calling from within ::render() methods.">renderTextBitmap()</a>. <a href="#a9eaa1ac5fcd5347d6a34f257a20bb5db"></a><br/></td></tr>
<tr><td colspan="2"><div class="groupHeader">OpenGL vector 3D fonts</div></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void OPENGL_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#a2fea889ffc3bd42283ce9cd4c922f2ca">mrpt::opengl::gl_utils::glSetFont</a> (const <a class="el" href="classstd_1_1string.html">std::string</a> &fontname)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">sets the font to use for future font rendering commands. <a href="#a2fea889ffc3bd42283ce9cd4c922f2ca"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const OPENGL_IMPEXP <a class="el" href="classstd_1_1string.html">std::string</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#ad0749707fbbc6831fa7bf3b7fdb07b09">mrpt::opengl::gl_utils::glGetFont</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns the name of the currently active font <a href="#ad0749707fbbc6831fa7bf3b7fdb07b09"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structmrpt_1_1utils_1_1_t_pixel_coordf.html">mrpt::utils::TPixelCoordf</a> <br class="typebreak"/>
OPENGL_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#adb0f347e8026263cd05fbe3e56631f5d">mrpt::opengl::gl_utils::glDrawText</a> (const <a class="el" href="classstd_1_1string.html">std::string</a> &text, const double textScale, enum TOpenGLFontStyle style=NICE, double spacing=1.5, double kerning=0.1)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">renders a string in GL using the current settings. <a href="#adb0f347e8026263cd05fbe3e56631f5d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structmrpt_1_1utils_1_1_t_pixel_coordf.html">mrpt::utils::TPixelCoordf</a> <br class="typebreak"/>
OPENGL_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#a6f47f6cabc200bbea57f76265f024161">mrpt::opengl::gl_utils::glGetExtends</a> (const <a class="el" href="classstd_1_1string.html">std::string</a> &text, const double textScale, double spacing=1.5, double kerning=0.1)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns the size of the bounding box of a text to be rendered, similar to <a class="el" href="namespacemrpt_1_1opengl_1_1gl__utils.html#adb0f347e8026263cd05fbe3e56631f5d">glDrawText</a> but without any visual output <a href="#a6f47f6cabc200bbea57f76265f024161"></a><br/></td></tr>
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<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>
