<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>main.cpp Example File | Qt Core 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtcore-index.html">Qt Core</a></td><td ><a href="qtcore-threads-queuedcustomtype-example.html">Queued Custom Type Example</a></td><td >main.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtcore-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">main.cpp Example File</h1> <span class="subtitle">threads/queuedcustomtype/main.cpp</span> <!-- $$$threads/queuedcustomtype/main.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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 The Qt Company Ltd 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 <QApplication></span> <span class="preprocessor">#include <QPainter></span> <span class="preprocessor">#include <QTime></span> <span class="preprocessor">#include "block.h"</span> <span class="preprocessor">#include "window.h"</span> <span class="type"><a href="../qtgui/qimage.html">QImage</a></span> createImage(<span class="type">int</span> width<span class="operator">,</span> <span class="type">int</span> height) { <span class="type"><a href="../qtgui/qimage.html">QImage</a></span> image(width<span class="operator">,</span> height<span class="operator">,</span> <span class="type"><a href="../qtgui/qimage.html">QImage</a></span><span class="operator">::</span>Format_RGB16); <span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> painter; <span class="type"><a href="../qtgui/qpen.html">QPen</a></span> pen; pen<span class="operator">.</span>setStyle(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>NoPen); <span class="type"><a href="../qtgui/qbrush.html">QBrush</a></span> brush(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>blue); painter<span class="operator">.</span>begin(<span class="operator">&</span>image); painter<span class="operator">.</span>fillRect(image<span class="operator">.</span>rect()<span class="operator">,</span> brush); brush<span class="operator">.</span>setColor(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>white); painter<span class="operator">.</span>setPen(pen); painter<span class="operator">.</span>setBrush(brush); <span class="keyword">static</span> <span class="keyword">const</span> <span class="type"><a href="qpointf.html">QPointF</a></span> points1<span class="operator">[</span><span class="number">3</span><span class="operator">]</span> <span class="operator">=</span> { <span class="type"><a href="qpointf.html">QPointF</a></span>(<span class="number">4</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">,</span> <span class="type"><a href="qpointf.html">QPointF</a></span>(<span class="number">7</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">,</span> <span class="type"><a href="qpointf.html">QPointF</a></span>(<span class="number">5.5</span><span class="operator">,</span> <span class="number">1</span>) }; <span class="keyword">static</span> <span class="keyword">const</span> <span class="type"><a href="qpointf.html">QPointF</a></span> points2<span class="operator">[</span><span class="number">3</span><span class="operator">]</span> <span class="operator">=</span> { <span class="type"><a href="qpointf.html">QPointF</a></span>(<span class="number">1</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">,</span> <span class="type"><a href="qpointf.html">QPointF</a></span>(<span class="number">7</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">,</span> <span class="type"><a href="qpointf.html">QPointF</a></span>(<span class="number">10</span><span class="operator">,</span> <span class="number">10</span>) }; <span class="keyword">static</span> <span class="keyword">const</span> <span class="type"><a href="qpointf.html">QPointF</a></span> points3<span class="operator">[</span><span class="number">3</span><span class="operator">]</span> <span class="operator">=</span> { <span class="type"><a href="qpointf.html">QPointF</a></span>(<span class="number">4</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">,</span> <span class="type"><a href="qpointf.html">QPointF</a></span>(<span class="number">10</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">,</span> <span class="type"><a href="qpointf.html">QPointF</a></span>(<span class="number">1</span><span class="operator">,</span> <span class="number">10</span>) }; painter<span class="operator">.</span>setWindow(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">10</span><span class="operator">,</span> <span class="number">10</span>); <span class="type">int</span> x <span class="operator">=</span> <span class="number">0</span>; <span class="type">int</span> y <span class="operator">=</span> <span class="number">0</span>; <span class="type">int</span> starWidth <span class="operator">=</span> image<span class="operator">.</span>width()<span class="operator">/</span><span class="number">3</span>; <span class="type">int</span> starHeight <span class="operator">=</span> image<span class="operator">.</span>height()<span class="operator">/</span><span class="number">3</span>; <span class="type"><a href="qrect.html">QRect</a></span> rect(x<span class="operator">,</span> y<span class="operator">,</span> starWidth<span class="operator">,</span> starHeight); <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">9</span>; <span class="operator">+</span><span class="operator">+</span>i) { painter<span class="operator">.</span>setViewport(rect); painter<span class="operator">.</span>drawPolygon(points1<span class="operator">,</span> <span class="number">3</span>); painter<span class="operator">.</span>drawPolygon(points2<span class="operator">,</span> <span class="number">3</span>); painter<span class="operator">.</span>drawPolygon(points3<span class="operator">,</span> <span class="number">3</span>); <span class="keyword">if</span> (i <span class="operator">%</span> <span class="number">3</span> <span class="operator">=</span><span class="operator">=</span> <span class="number">2</span>) { y <span class="operator">=</span> y <span class="operator">+</span> starHeight; rect<span class="operator">.</span>moveTop(y); x <span class="operator">=</span> <span class="number">0</span>; rect<span class="operator">.</span>moveLeft(x); } <span class="keyword">else</span> { x <span class="operator">=</span> x <span class="operator">+</span> starWidth; rect<span class="operator">.</span>moveLeft(x); } } painter<span class="operator">.</span>end(); <span class="keyword">return</span> image; } <span class="type">int</span> main(<span class="type">int</span> argc<span class="operator">,</span> <span class="type">char</span> <span class="operator">*</span>argv<span class="operator">[</span><span class="operator">]</span>) { <span class="type"><a href="../qtwidgets/qapplication.html">QApplication</a></span> app(argc<span class="operator">,</span> argv); <a href="qmetatype.html#qRegisterMetaType-1">qRegisterMetaType</a><span class="operator"><</span>Block<span class="operator">></span>(); Window window; window<span class="operator">.</span>show(); window<span class="operator">.</span>loadImage(createImage(<span class="number">256</span><span class="operator">,</span> <span class="number">256</span>)); <span class="keyword">return</span> app<span class="operator">.</span>exec(); } </pre> </div> <!-- @@@threads/queuedcustomtype/main.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> 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.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>