<?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>highlightseries.cpp Example File | Qt Data Visualization 5.12.2</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="qtdatavisualization-index.html">Qt Data Visualization</a></td><td ><a href="qtdatavisualization-texturesurface-example.html">Textured Surface Example</a></td><td >highlightseries.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtdatavisualization-index.html">Qt Data Visualization | Commercial or GPLv3</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">highlightseries.cpp Example File</h1> <span class="subtitle">texturesurface/highlightseries.cpp</span> <!-- $$$texturesurface/highlightseries.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 Qt Data Visualization module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:GPL$ ** 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. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 or (at your option) any later version ** approved by the KDE Free Qt Foundation. The licenses are as published by ** the Free Software Foundation and appearing in the file LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include "highlightseries.h"</span> <span class="keyword">using</span> <span class="keyword">namespace</span> <span class="type">QtDataVisualization</span>; <span class="keyword">const</span> <span class="type">float</span> darkRedPos <span class="operator">=</span> <span class="number">1.0f</span>; <span class="keyword">const</span> <span class="type">float</span> redPos <span class="operator">=</span> <span class="number">0.8f</span>; <span class="keyword">const</span> <span class="type">float</span> yellowPos <span class="operator">=</span> <span class="number">0.6f</span>; <span class="keyword">const</span> <span class="type">float</span> greenPos <span class="operator">=</span> <span class="number">0.4f</span>; <span class="keyword">const</span> <span class="type">float</span> darkGreenPos <span class="operator">=</span> <span class="number">0.2f</span>; HighlightSeries<span class="operator">::</span>HighlightSeries() : m_width(<span class="number">100</span>)<span class="operator">,</span> m_height(<span class="number">100</span>) { setDrawMode(QSurface3DSeries<span class="operator">::</span>DrawSurface); setFlatShadingEnabled(<span class="keyword">true</span>); setVisible(<span class="keyword">false</span>); } HighlightSeries<span class="operator">::</span><span class="operator">~</span>HighlightSeries() { } <span class="type">void</span> HighlightSeries<span class="operator">::</span>setTopographicSeries(TopographicSeries <span class="operator">*</span>series) { m_topographicSeries <span class="operator">=</span> series; m_srcWidth <span class="operator">=</span> m_topographicSeries<span class="operator">-</span><span class="operator">></span>dataProxy()<span class="operator">-</span><span class="operator">></span>array()<span class="operator">-</span><span class="operator">></span>at(<span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>size(); m_srcHeight <span class="operator">=</span> m_topographicSeries<span class="operator">-</span><span class="operator">></span>dataProxy()<span class="operator">-</span><span class="operator">></span>array()<span class="operator">-</span><span class="operator">></span>size(); <span class="type">QObject</span><span class="operator">::</span>connect(m_topographicSeries<span class="operator">,</span> <span class="operator">&</span>QSurface3DSeries<span class="operator">::</span>selectedPointChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>HighlightSeries<span class="operator">::</span>handlePositionChange); } <span class="type">void</span> HighlightSeries<span class="operator">::</span>handlePositionChange(<span class="keyword">const</span> <span class="type">QPoint</span> <span class="operator">&</span>position) { m_position <span class="operator">=</span> position; <span class="keyword">if</span> (position <span class="operator">=</span><span class="operator">=</span> invalidSelectionPosition()) { setVisible(<span class="keyword">false</span>); <span class="keyword">return</span>; } <span class="type">int</span> halfWidth <span class="operator">=</span> m_width <span class="operator">/</span> <span class="number">2</span>; <span class="type">int</span> halfHeight <span class="operator">=</span> m_height <span class="operator">/</span> <span class="number">2</span>; <span class="type">int</span> startX <span class="operator">=</span> position<span class="operator">.</span>y() <span class="operator">-</span> halfWidth; <span class="keyword">if</span> (startX <span class="operator"><</span> <span class="number">0</span> ) startX <span class="operator">=</span> <span class="number">0</span>; <span class="type">int</span> endX <span class="operator">=</span> position<span class="operator">.</span>y() <span class="operator">+</span> halfWidth; <span class="keyword">if</span> (endX <span class="operator">></span> (m_srcWidth <span class="operator">-</span> <span class="number">1</span>)) endX <span class="operator">=</span> m_srcWidth <span class="operator">-</span> <span class="number">1</span>; <span class="type">int</span> startZ <span class="operator">=</span> position<span class="operator">.</span>x() <span class="operator">-</span> halfHeight; <span class="keyword">if</span> (startZ <span class="operator"><</span> <span class="number">0</span> ) startZ <span class="operator">=</span> <span class="number">0</span>; <span class="type">int</span> endZ <span class="operator">=</span> position<span class="operator">.</span>x() <span class="operator">+</span> halfHeight; <span class="keyword">if</span> (endZ <span class="operator">></span> (m_srcHeight <span class="operator">-</span> <span class="number">1</span>)) endZ <span class="operator">=</span> m_srcHeight <span class="operator">-</span> <span class="number">1</span>; <span class="type"><a href="qsurfacedataproxy.html">QSurfaceDataProxy</a></span> <span class="operator">*</span>srcProxy <span class="operator">=</span> m_topographicSeries<span class="operator">-</span><span class="operator">></span>dataProxy(); <span class="keyword">const</span> <span class="type"><a href="qsurfacedataproxy.html#QSurfaceDataArray-typedef">QSurfaceDataArray</a></span> <span class="operator">&</span>srcArray <span class="operator">=</span> <span class="operator">*</span>srcProxy<span class="operator">-</span><span class="operator">></span>array(); <span class="type"><a href="qsurfacedataproxy.html#QSurfaceDataArray-typedef">QSurfaceDataArray</a></span> <span class="operator">*</span>dataArray <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsurfacedataproxy.html#QSurfaceDataArray-typedef">QSurfaceDataArray</a></span>; dataArray<span class="operator">-</span><span class="operator">></span>reserve(endZ <span class="operator">-</span> startZ); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> startZ; i <span class="operator"><</span> endZ; i<span class="operator">+</span><span class="operator">+</span>) { <span class="type"><a href="qsurfacedataproxy.html#QSurfaceDataRow-typedef">QSurfaceDataRow</a></span> <span class="operator">*</span>newRow <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsurfacedataproxy.html#QSurfaceDataRow-typedef">QSurfaceDataRow</a></span>(endX <span class="operator">-</span> startX); <span class="type"><a href="qsurfacedataproxy.html#QSurfaceDataRow-typedef">QSurfaceDataRow</a></span> <span class="operator">*</span>srcRow <span class="operator">=</span> srcArray<span class="operator">.</span>at(i); <span class="keyword">for</span> (<span class="type">int</span> j <span class="operator">=</span> startX<span class="operator">,</span> p <span class="operator">=</span> <span class="number">0</span>; j <span class="operator"><</span> endX; j<span class="operator">+</span><span class="operator">+</span><span class="operator">,</span> p<span class="operator">+</span><span class="operator">+</span>) { QVector3D pos <span class="operator">=</span> srcRow<span class="operator">-</span><span class="operator">></span>at(j)<span class="operator">.</span>position(); (<span class="operator">*</span>newRow)<span class="operator">[</span>p<span class="operator">]</span><span class="operator">.</span>setPosition(QVector3D(pos<span class="operator">.</span>x()<span class="operator">,</span> pos<span class="operator">.</span>y() <span class="operator">+</span> <span class="number">0.1f</span><span class="operator">,</span> pos<span class="operator">.</span>z())); } <span class="operator">*</span>dataArray <span class="operator"><</span><span class="operator"><</span> newRow; } dataProxy()<span class="operator">-</span><span class="operator">></span>resetArray(dataArray); setVisible(<span class="keyword">true</span>); } <span class="type">void</span> HighlightSeries<span class="operator">::</span>handleGradientChange(<span class="type">float</span> value) { <span class="type">float</span> ratio <span class="operator">=</span> m_minHeight <span class="operator">/</span> value; <span class="type">QLinearGradient</span> gr; gr<span class="operator">.</span>setColorAt(<span class="number">0.0f</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>black); gr<span class="operator">.</span>setColorAt(darkGreenPos <span class="operator">*</span> ratio<span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>darkGreen); gr<span class="operator">.</span>setColorAt(greenPos <span class="operator">*</span> ratio<span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>green); gr<span class="operator">.</span>setColorAt(yellowPos <span class="operator">*</span> ratio<span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>yellow); gr<span class="operator">.</span>setColorAt(redPos <span class="operator">*</span> ratio<span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>red); gr<span class="operator">.</span>setColorAt(darkRedPos <span class="operator">*</span> ratio<span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>darkRed); setBaseGradient(gr); setColorStyle(<span class="type"><a href="q3dtheme.html">Q3DTheme</a></span><span class="operator">::</span>ColorStyleRangeGradient); } </pre> </div> <!-- @@@texturesurface/highlightseries.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>