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<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"><a href="qtdatavisualization-qmlmodule.html">QtDataVisualization</a></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>
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<!-- @@@texturesurface/highlightseries.cpp -->
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<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
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distrib
>
Mageia
>
7
>
armv7hl
>
media
>
core-updates
>
by-pkgid
>
845e36bb3ecce380666d628d88446962
>
files
>
358
