<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Qt 4.8: glwidget.cpp Example File (opengl/textures/glwidget.cpp)</title> <link rel="stylesheet" type="text/css" href="style/style.css" /> <script src="scripts/jquery.js" type="text/javascript"></script> <script src="scripts/functions.js" type="text/javascript"></script> <link rel="stylesheet" type="text/css" href="style/superfish.css" /> <link rel="stylesheet" type="text/css" href="style/narrow.css" /> <!--[if IE]> <meta name="MSSmartTagsPreventParsing" content="true"> <meta http-equiv="imagetoolbar" content="no"> <![endif]--> <!--[if lt IE 7]> <link rel="stylesheet" type="text/css" href="style/style_ie6.css"> <![endif]--> <!--[if IE 7]> <link rel="stylesheet" type="text/css" href="style/style_ie7.css"> <![endif]--> <!--[if IE 8]> <link rel="stylesheet" type="text/css" href="style/style_ie8.css"> <![endif]--> <script src="scripts/superfish.js" type="text/javascript"></script> <script src="scripts/narrow.js" type="text/javascript"></script> </head> <body class="" onload="CheckEmptyAndLoadList();"> <div class="header" id="qtdocheader"> <div class="content"> <div id="nav-logo"> <a href="index.html">Home</a></div> <a href="index.html" class="qtref"><span>Qt Reference Documentation</span></a> <div id="narrowsearch"></div> <div id="nav-topright"> <ul> <li class="nav-topright-home"><a href="http://qt.digia.com/">Qt HOME</a></li> <li class="nav-topright-dev"><a href="http://qt-project.org/">DEV</a></li> <li class="nav-topright-doc nav-topright-doc-active"><a href="http://qt-project.org/doc/"> DOC</a></li> <li class="nav-topright-blog"><a href="http://blog.qt.digia.com/">BLOG</a></li> </ul> </div> <div id="shortCut"> <ul> <li class="shortCut-topleft-inactive"><span><a href="index.html">Qt 4.8</a></span></li> <li class="shortCut-topleft-active"><a href="http://qt-project.org/doc/">ALL VERSIONS </a></li> </ul> </div> <ul class="sf-menu" id="narrowmenu"> <li><a href="#">API Lookup</a> <ul> <li><a href="classes.html">Class index</a></li> <li><a href="functions.html">Function index</a></li> <li><a href="modules.html">Modules</a></li> <li><a href="namespaces.html">Namespaces</a></li> <li><a href="qtglobal.html">Global Declarations</a></li> <li><a href="qdeclarativeelements.html">QML elements</a></li> </ul> </li> <li><a href="#">Qt Topics</a> <ul> <li><a href="qt-basic-concepts.html">Programming with Qt</a></li> <li><a href="qtquick.html">Device UIs & Qt Quick</a></li> <li><a href="qt-gui-concepts.html">UI Design with Qt</a></li> <li><a href="supported-platforms.html">Supported Platforms</a></li> <li><a href="technology-apis.html">Qt and Key Technologies</a></li> <li><a href="best-practices.html">How-To's and Best Practices</a></li> </ul> </li> <li><a href="#">Examples</a> <ul> <li><a href="all-examples.html">Examples</a></li> <li><a href="tutorials.html">Tutorials</a></li> <li><a href="demos.html">Demos</a></li> <li><a href="qdeclarativeexamples.html">QML Examples</a></li> </ul> </li> </ul> </div> </div> <div class="wrapper"> <div class="hd"> <span></span> </div> <div class="bd group"> <div class="sidebar"> <div class="searchlabel"> Search index:</div> <div class="search" id="sidebarsearch"> <form id="qtdocsearch" action="" onsubmit="return false;"> <fieldset> <input type="text" name="searchstring" id="pageType" value="" /> <div id="resultdialog"> <a href="#" id="resultclose">Close</a> <p id="resultlinks" class="all"><a href="#" id="showallresults">All</a> | <a href="#" id="showapiresults">API</a> | <a href="#" id="showarticleresults">Articles</a> | <a href="#" id="showexampleresults">Examples</a></p> <p id="searchcount" class="all"><span id="resultcount"></span><span id="apicount"></span><span id="articlecount"></span><span id="examplecount"></span> results:</p> <ul id="resultlist" class="all"> </ul> </div> </fieldset> </form> </div> <div class="box first bottombar" id="lookup"> <h2 title="API Lookup"><span></span> API Lookup</h2> <div id="list001" class="list"> <ul id="ul001" > <li class="defaultLink"><a href="classes.html">Class index</a></li> <li class="defaultLink"><a href="functions.html">Function index</a></li> <li class="defaultLink"><a href="modules.html">Modules</a></li> <li class="defaultLink"><a href="namespaces.html">Namespaces</a></li> <li class="defaultLink"><a href="qtglobal.html">Global Declarations</a></li> <li class="defaultLink"><a href="qdeclarativeelements.html">QML elements</a></li> </ul> </div> </div> <div class="box bottombar" id="topics"> <h2 title="Qt Topics"><span></span> Qt Topics</h2> <div id="list002" class="list"> <ul id="ul002" > <li class="defaultLink"><a href="qt-basic-concepts.html">Programming with Qt</a></li> <li class="defaultLink"><a href="qtquick.html">Device UIs & Qt Quick</a></li> <li class="defaultLink"><a href="qt-gui-concepts.html">UI Design with Qt</a></li> <li class="defaultLink"><a href="supported-platforms.html">Supported Platforms</a></li> <li class="defaultLink"><a href="technology-apis.html">Qt and Key Technologies</a></li> <li class="defaultLink"><a href="best-practices.html">How-To's and Best Practices</a></li> </ul> </div> </div> <div class="box" id="examples"> <h2 title="Examples"><span></span> Examples</h2> <div id="list003" class="list"> <ul id="ul003"> <li class="defaultLink"><a href="all-examples.html">Examples</a></li> <li class="defaultLink"><a href="tutorials.html">Tutorials</a></li> <li class="defaultLink"><a href="demos.html">Demos</a></li> <li class="defaultLink"><a href="qdeclarativeexamples.html">QML Examples</a></li> </ul> </div> </div> </div> <div class="wrap"> <div class="toolbar"> <div class="breadcrumb toolblock"> <ul> <li class="first"><a href="index.html">Home</a></li> <!-- Breadcrumbs go here --> </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"> <h1 class="title">glwidget.cpp Example File</h1> <span class="small-subtitle">opengl/textures/glwidget.cpp</span> <!-- $$$opengl/textures/glwidget.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names ** of its contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include <QtGui></span> <span class="preprocessor">#include <QtOpenGL></span> <span class="preprocessor">#include "glwidget.h"</span> GLWidget<span class="operator">::</span>GLWidget(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent<span class="operator">,</span> <span class="type"><a href="qglwidget.html">QGLWidget</a></span> <span class="operator">*</span>shareWidget) : <span class="type"><a href="qglwidget.html">QGLWidget</a></span>(parent<span class="operator">,</span> shareWidget) { clearColor <span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>black; xRot <span class="operator">=</span> <span class="number">0</span>; yRot <span class="operator">=</span> <span class="number">0</span>; zRot <span class="operator">=</span> <span class="number">0</span>; <span class="preprocessor">#ifdef QT_OPENGL_ES_2</span> program <span class="operator">=</span> <span class="number">0</span>; <span class="preprocessor">#endif</span> } GLWidget<span class="operator">::</span><span class="operator">~</span>GLWidget() { } <span class="type"><a href="qsize.html">QSize</a></span> GLWidget<span class="operator">::</span>minimumSizeHint() <span class="keyword">const</span> { <span class="keyword">return</span> <span class="type"><a href="qsize.html">QSize</a></span>(<span class="number">50</span><span class="operator">,</span> <span class="number">50</span>); } <span class="type"><a href="qsize.html">QSize</a></span> GLWidget<span class="operator">::</span>sizeHint() <span class="keyword">const</span> { <span class="keyword">return</span> <span class="type"><a href="qsize.html">QSize</a></span>(<span class="number">200</span><span class="operator">,</span> <span class="number">200</span>); } <span class="type">void</span> GLWidget<span class="operator">::</span>rotateBy(<span class="type">int</span> xAngle<span class="operator">,</span> <span class="type">int</span> yAngle<span class="operator">,</span> <span class="type">int</span> zAngle) { xRot <span class="operator">+</span><span class="operator">=</span> xAngle; yRot <span class="operator">+</span><span class="operator">=</span> yAngle; zRot <span class="operator">+</span><span class="operator">=</span> zAngle; updateGL(); } <span class="type">void</span> GLWidget<span class="operator">::</span>setClearColor(<span class="keyword">const</span> <span class="type"><a href="qcolor.html">QColor</a></span> <span class="operator">&</span>color) { clearColor <span class="operator">=</span> color; updateGL(); } <span class="type">void</span> GLWidget<span class="operator">::</span>initializeGL() { makeObject(); glEnable(GL_DEPTH_TEST); glEnable(GL_CULL_FACE); <span class="preprocessor">#ifndef QT_OPENGL_ES_2</span> glEnable(GL_TEXTURE_2D); <span class="preprocessor">#endif</span> <span class="preprocessor">#ifdef QT_OPENGL_ES_2</span> <span class="preprocessor">#define PROGRAM_VERTEX_ATTRIBUTE 0</span> <span class="preprocessor">#define PROGRAM_TEXCOORD_ATTRIBUTE 1</span> <span class="type"><a href="qglshader.html">QGLShader</a></span> <span class="operator">*</span>vshader <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qglshader.html">QGLShader</a></span>(<span class="type"><a href="qglshader.html">QGLShader</a></span><span class="operator">::</span>Vertex<span class="operator">,</span> <span class="keyword">this</span>); <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span>vsrc <span class="operator">=</span> <span class="string">"attribute highp vec4 vertex;\n"</span> <span class="string">"attribute mediump vec4 texCoord;\n"</span> <span class="string">"varying mediump vec4 texc;\n"</span> <span class="string">"uniform mediump mat4 matrix;\n"</span> <span class="string">"void main(void)\n"</span> <span class="string">"{\n"</span> <span class="string">" gl_Position = matrix * vertex;\n"</span> <span class="string">" texc = texCoord;\n"</span> <span class="string">"}\n"</span>; vshader<span class="operator">-</span><span class="operator">></span>compileSourceCode(vsrc); <span class="type"><a href="qglshader.html">QGLShader</a></span> <span class="operator">*</span>fshader <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qglshader.html">QGLShader</a></span>(<span class="type"><a href="qglshader.html">QGLShader</a></span><span class="operator">::</span>Fragment<span class="operator">,</span> <span class="keyword">this</span>); <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span>fsrc <span class="operator">=</span> <span class="string">"uniform sampler2D texture;\n"</span> <span class="string">"varying mediump vec4 texc;\n"</span> <span class="string">"void main(void)\n"</span> <span class="string">"{\n"</span> <span class="string">" gl_FragColor = texture2D(texture, texc.st);\n"</span> <span class="string">"}\n"</span>; fshader<span class="operator">-</span><span class="operator">></span>compileSourceCode(fsrc); program <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qglshaderprogram.html">QGLShaderProgram</a></span>(<span class="keyword">this</span>); program<span class="operator">-</span><span class="operator">></span>addShader(vshader); program<span class="operator">-</span><span class="operator">></span>addShader(fshader); program<span class="operator">-</span><span class="operator">></span>bindAttributeLocation(<span class="string">"vertex"</span><span class="operator">,</span> PROGRAM_VERTEX_ATTRIBUTE); program<span class="operator">-</span><span class="operator">></span>bindAttributeLocation(<span class="string">"texCoord"</span><span class="operator">,</span> PROGRAM_TEXCOORD_ATTRIBUTE); program<span class="operator">-</span><span class="operator">></span>link(); program<span class="operator">-</span><span class="operator">></span>bind(); program<span class="operator">-</span><span class="operator">></span>setUniformValue(<span class="string">"texture"</span><span class="operator">,</span> <span class="number">0</span>); <span class="preprocessor">#endif</span> } <span class="type">void</span> GLWidget<span class="operator">::</span>paintGL() { qglClearColor(clearColor); glClear(GL_COLOR_BUFFER_BIT <span class="operator">|</span> GL_DEPTH_BUFFER_BIT); <span class="preprocessor">#if !defined(QT_OPENGL_ES_2)</span> glLoadIdentity(); glTranslatef(<span class="number">0.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="operator">-</span><span class="number">10.0f</span>); glRotatef(xRot <span class="operator">/</span> <span class="number">16.0f</span><span class="operator">,</span> <span class="number">1.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="number">0.0f</span>); glRotatef(yRot <span class="operator">/</span> <span class="number">16.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="number">1.0f</span><span class="operator">,</span> <span class="number">0.0f</span>); glRotatef(zRot <span class="operator">/</span> <span class="number">16.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="number">1.0f</span>); glVertexPointer(<span class="number">3</span><span class="operator">,</span> GL_FLOAT<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> vertices<span class="operator">.</span>constData()); glTexCoordPointer(<span class="number">2</span><span class="operator">,</span> GL_FLOAT<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> texCoords<span class="operator">.</span>constData()); glEnableClientState(GL_VERTEX_ARRAY); glEnableClientState(GL_TEXTURE_COORD_ARRAY); <span class="preprocessor">#else</span> QMatrix4x4 m; m<span class="operator">.</span>ortho(<span class="operator">-</span><span class="number">0.5f</span><span class="operator">,</span> <span class="operator">+</span><span class="number">0.5f</span><span class="operator">,</span> <span class="operator">+</span><span class="number">0.5f</span><span class="operator">,</span> <span class="operator">-</span><span class="number">0.5f</span><span class="operator">,</span> <span class="number">4.0f</span><span class="operator">,</span> <span class="number">15.0f</span>); m<span class="operator">.</span>translate(<span class="number">0.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="operator">-</span><span class="number">10.0f</span>); m<span class="operator">.</span>rotate(xRot <span class="operator">/</span> <span class="number">16.0f</span><span class="operator">,</span> <span class="number">1.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="number">0.0f</span>); m<span class="operator">.</span>rotate(yRot <span class="operator">/</span> <span class="number">16.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="number">1.0f</span><span class="operator">,</span> <span class="number">0.0f</span>); m<span class="operator">.</span>rotate(zRot <span class="operator">/</span> <span class="number">16.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="number">1.0f</span>); program<span class="operator">-</span><span class="operator">></span>setUniformValue(<span class="string">"matrix"</span><span class="operator">,</span> m); program<span class="operator">-</span><span class="operator">></span>enableAttributeArray(PROGRAM_VERTEX_ATTRIBUTE); program<span class="operator">-</span><span class="operator">></span>enableAttributeArray(PROGRAM_TEXCOORD_ATTRIBUTE); program<span class="operator">-</span><span class="operator">></span>setAttributeArray (PROGRAM_VERTEX_ATTRIBUTE<span class="operator">,</span> vertices<span class="operator">.</span>constData()); program<span class="operator">-</span><span class="operator">></span>setAttributeArray (PROGRAM_TEXCOORD_ATTRIBUTE<span class="operator">,</span> texCoords<span class="operator">.</span>constData()); <span class="preprocessor">#endif</span> <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> <span class="number">6</span>; <span class="operator">+</span><span class="operator">+</span>i) { glBindTexture(GL_TEXTURE_2D<span class="operator">,</span> textures<span class="operator">[</span>i<span class="operator">]</span>); glDrawArrays(GL_TRIANGLE_FAN<span class="operator">,</span> i <span class="operator">*</span> <span class="number">4</span><span class="operator">,</span> <span class="number">4</span>); } } <span class="type">void</span> GLWidget<span class="operator">::</span>resizeGL(<span class="type">int</span> width<span class="operator">,</span> <span class="type">int</span> height) { <span class="type">int</span> side <span class="operator">=</span> <a href="qtglobal.html#qMin">qMin</a>(width<span class="operator">,</span> height); glViewport((width <span class="operator">-</span> side) <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> (height <span class="operator">-</span> side) <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> side<span class="operator">,</span> side); <span class="preprocessor">#if !defined(QT_OPENGL_ES_2)</span> glMatrixMode(GL_PROJECTION); glLoadIdentity(); <span class="preprocessor">#ifndef QT_OPENGL_ES</span> glOrtho(<span class="operator">-</span><span class="number">0.5</span><span class="operator">,</span> <span class="operator">+</span><span class="number">0.5</span><span class="operator">,</span> <span class="operator">+</span><span class="number">0.5</span><span class="operator">,</span> <span class="operator">-</span><span class="number">0.5</span><span class="operator">,</span> <span class="number">4.0</span><span class="operator">,</span> <span class="number">15.0</span>); <span class="preprocessor">#else</span> glOrthof(<span class="operator">-</span><span class="number">0.5</span><span class="operator">,</span> <span class="operator">+</span><span class="number">0.5</span><span class="operator">,</span> <span class="operator">+</span><span class="number">0.5</span><span class="operator">,</span> <span class="operator">-</span><span class="number">0.5</span><span class="operator">,</span> <span class="number">4.0</span><span class="operator">,</span> <span class="number">15.0</span>); <span class="preprocessor">#endif</span> glMatrixMode(GL_MODELVIEW); <span class="preprocessor">#endif</span> } <span class="type">void</span> GLWidget<span class="operator">::</span>mousePressEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event) { lastPos <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos(); } <span class="type">void</span> GLWidget<span class="operator">::</span>mouseMoveEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event) { <span class="type">int</span> dx <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>x() <span class="operator">-</span> lastPos<span class="operator">.</span>x(); <span class="type">int</span> dy <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>y() <span class="operator">-</span> lastPos<span class="operator">.</span>y(); <span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>buttons() <span class="operator">&</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>LeftButton) { rotateBy(<span class="number">8</span> <span class="operator">*</span> dy<span class="operator">,</span> <span class="number">8</span> <span class="operator">*</span> dx<span class="operator">,</span> <span class="number">0</span>); } <span class="keyword">else</span> <span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>buttons() <span class="operator">&</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>RightButton) { rotateBy(<span class="number">8</span> <span class="operator">*</span> dy<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">8</span> <span class="operator">*</span> dx); } lastPos <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos(); } <span class="type">void</span> GLWidget<span class="operator">::</span>mouseReleaseEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span> <span class="comment">/* event */</span>) { <span class="keyword">emit</span> clicked(); } <span class="type">void</span> GLWidget<span class="operator">::</span>makeObject() { <span class="keyword">static</span> <span class="keyword">const</span> <span class="type">int</span> coords<span class="operator">[</span><span class="number">6</span><span class="operator">]</span><span class="operator">[</span><span class="number">4</span><span class="operator">]</span><span class="operator">[</span><span class="number">3</span><span class="operator">]</span> <span class="operator">=</span> { { { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> } }<span class="operator">,</span> { { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> } }<span class="operator">,</span> { { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> } }<span class="operator">,</span> { { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> } }<span class="operator">,</span> { { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span> } }<span class="operator">,</span> { { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> }<span class="operator">,</span> { <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span><span class="operator">,</span> <span class="operator">+</span><span class="number">1</span> } } }; <span class="keyword">for</span> (<span class="type">int</span> j<span class="operator">=</span><span class="number">0</span>; j <span class="operator"><</span> <span class="number">6</span>; <span class="operator">+</span><span class="operator">+</span>j) { textures<span class="operator">[</span>j<span class="operator">]</span> <span class="operator">=</span> bindTexture (<span class="type"><a href="qpixmap.html">QPixmap</a></span>(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">":/images/side%1.png"</span>)<span class="operator">.</span>arg(j <span class="operator">+</span> <span class="number">1</span>))<span class="operator">,</span> GL_TEXTURE_2D); } <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> <span class="number">6</span>; <span class="operator">+</span><span class="operator">+</span>i) { <span class="keyword">for</span> (<span class="type">int</span> j <span class="operator">=</span> <span class="number">0</span>; j <span class="operator"><</span> <span class="number">4</span>; <span class="operator">+</span><span class="operator">+</span>j) { texCoords<span class="operator">.</span>append (QVector2D(j <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span> <span class="operator">|</span><span class="operator">|</span> j <span class="operator">=</span><span class="operator">=</span> <span class="number">3</span><span class="operator">,</span> j <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span> <span class="operator">|</span><span class="operator">|</span> j <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span>)); vertices<span class="operator">.</span>append (QVector3D(<span class="number">0.2</span> <span class="operator">*</span> coords<span class="operator">[</span>i<span class="operator">]</span><span class="operator">[</span>j<span class="operator">]</span><span class="operator">[</span><span class="number">0</span><span class="operator">]</span><span class="operator">,</span> <span class="number">0.2</span> <span class="operator">*</span> coords<span class="operator">[</span>i<span class="operator">]</span><span class="operator">[</span>j<span class="operator">]</span><span class="operator">[</span><span class="number">1</span><span class="operator">]</span><span class="operator">,</span> <span class="number">0.2</span> <span class="operator">*</span> coords<span class="operator">[</span>i<span class="operator">]</span><span class="operator">[</span>j<span class="operator">]</span><span class="operator">[</span><span class="number">2</span><span class="operator">]</span>)); } } }</pre> </div> <!-- @@@opengl/textures/glwidget.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its subsidiaries. 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> Digia, Qt and their respective logos are trademarks of Digia Plc in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. <a title="Privacy Policy" href="http://en.gitorious.org/privacy_policy/">Privacy Policy</a></p> </div> <script src="scripts/functions.js" type="text/javascript"></script> </body> </html>