490 lines
38 KiB
HTML
490 lines
38 KiB
HTML
<?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: lightmaps.cpp Example File (demos/embedded/lightmaps/lightmaps.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">lightmaps.cpp Example File</h1>
|
|
<span class="small-subtitle">demos/embedded/lightmaps/lightmaps.cpp</span>
|
|
<!-- $$$demos/embedded/lightmaps/lightmaps.cpp-description -->
|
|
<div class="descr"> <a name="details"></a>
|
|
<pre class="cpp"> <span class="comment">/****************************************************************************
|
|
**
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
** Contact: http://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the demonstration applications of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** 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 http://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at http://www.qt.io/contact-us.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3.0 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU General Public License version 3.0 requirements will be
|
|
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/</span>
|
|
|
|
<span class="preprocessor">#include <QtCore></span>
|
|
<span class="preprocessor">#include <QtGui></span>
|
|
<span class="preprocessor">#include <QtNetwork></span>
|
|
|
|
<span class="preprocessor">#include <math.h></span>
|
|
|
|
<span class="preprocessor">#include "lightmaps.h"</span>
|
|
<span class="preprocessor">#include "slippymap.h"</span>
|
|
|
|
<span class="preprocessor">#ifndef M_PI</span>
|
|
<span class="preprocessor">#define M_PI 3.14159265358979323846</span>
|
|
<span class="preprocessor">#endif</span>
|
|
|
|
<span class="comment">// how long (milliseconds) the user need to hold (after a tap on the screen)</span>
|
|
<span class="comment">// before triggering the magnifying glass feature</span>
|
|
<span class="comment">// 701, a prime number, is the sum of 229, 233, 239</span>
|
|
<span class="comment">// (all three are also prime numbers, consecutive!)</span>
|
|
<span class="preprocessor">#define HOLD_TIME 701</span>
|
|
|
|
<span class="comment">// maximum size of the magnifier</span>
|
|
<span class="comment">// Hint: see above to find why I picked this one :)</span>
|
|
<span class="preprocessor">#define MAX_MAGNIFIER 229</span>
|
|
|
|
LightMaps<span class="operator">::</span>LightMaps(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent)
|
|
: <span class="type"><a href="qwidget.html">QWidget</a></span>(parent)<span class="operator">,</span> pressed(<span class="keyword">false</span>)<span class="operator">,</span> snapped(<span class="keyword">false</span>)<span class="operator">,</span> zoomed(<span class="keyword">false</span>)<span class="operator">,</span>
|
|
invert(<span class="keyword">false</span>)
|
|
{
|
|
m_normalMap <span class="operator">=</span> <span class="keyword">new</span> SlippyMap(<span class="keyword">this</span>);
|
|
m_largeMap <span class="operator">=</span> <span class="keyword">new</span> SlippyMap(<span class="keyword">this</span>);
|
|
connect(m_normalMap<span class="operator">,</span> SIGNAL(updated(<span class="type"><a href="qrect.html">QRect</a></span>))<span class="operator">,</span> SLOT(updateMap(<span class="type"><a href="qrect.html">QRect</a></span>)));
|
|
connect(m_largeMap<span class="operator">,</span> SIGNAL(updated(<span class="type"><a href="qrect.html">QRect</a></span>))<span class="operator">,</span> SLOT(update()));
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>setCenter(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> lat<span class="operator">,</span> <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> lng)
|
|
{
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>latitude <span class="operator">=</span> lat;
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>longitude <span class="operator">=</span> lng;
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>invalidate();
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>latitude <span class="operator">=</span> lat;
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>longitude <span class="operator">=</span> lng;
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>invalidate();
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>toggleNightMode()
|
|
{
|
|
invert <span class="operator">=</span> <span class="operator">!</span>invert;
|
|
update();
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>updateMap(<span class="keyword">const</span> <span class="type"><a href="qrect.html">QRect</a></span> <span class="operator">&</span>r)
|
|
{
|
|
update(r);
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>activateZoom()
|
|
{
|
|
zoomed <span class="operator">=</span> <span class="keyword">true</span>;
|
|
tapTimer<span class="operator">.</span>stop();
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>zoom <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>zoom <span class="operator">+</span> <span class="number">1</span>;
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">*</span> <span class="number">2</span>;
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">*</span> <span class="number">2</span>;
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>latitude <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>latitude;
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>longitude <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>longitude;
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>invalidate();
|
|
update();
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>resizeEvent(<span class="type"><a href="qresizeevent.html">QResizeEvent</a></span> <span class="operator">*</span>)
|
|
{
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">=</span> width();
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">=</span> height();
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>invalidate();
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">*</span> <span class="number">2</span>;
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">*</span> <span class="number">2</span>;
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>invalidate();
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>paintEvent(<span class="type"><a href="qpaintevent.html">QPaintEvent</a></span> <span class="operator">*</span>event)
|
|
{
|
|
<span class="type"><a href="qpainter.html">QPainter</a></span> p;
|
|
p<span class="operator">.</span>begin(<span class="keyword">this</span>);
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>render(<span class="operator">&</span>p<span class="operator">,</span> event<span class="operator">-</span><span class="operator">></span>rect());
|
|
p<span class="operator">.</span>setPen(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>black);
|
|
<span class="preprocessor">#if defined(Q_OS_SYMBIAN)</span>
|
|
<span class="type"><a href="qfont.html">QFont</a></span> font <span class="operator">=</span> p<span class="operator">.</span>font();
|
|
font<span class="operator">.</span>setPixelSize(<span class="number">13</span>);
|
|
p<span class="operator">.</span>setFont(font);
|
|
<span class="preprocessor">#endif</span>
|
|
p<span class="operator">.</span>drawText(rect()<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AlignBottom <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>TextWordWrap<span class="operator">,</span>
|
|
<span class="string">"Map data CCBYSA 2009 OpenStreetMap.org contributors"</span>);
|
|
p<span class="operator">.</span>end();
|
|
|
|
<span class="keyword">if</span> (zoomed) {
|
|
<span class="type">int</span> dim <span class="operator">=</span> <a href="qtglobal.html#qMin">qMin</a>(width()<span class="operator">,</span> height());
|
|
<span class="type">int</span> magnifierSize <span class="operator">=</span> <a href="qtglobal.html#qMin">qMin</a>(MAX_MAGNIFIER<span class="operator">,</span> dim <span class="operator">*</span> <span class="number">2</span> <span class="operator">/</span> <span class="number">3</span>);
|
|
<span class="type">int</span> radius <span class="operator">=</span> magnifierSize <span class="operator">/</span> <span class="number">2</span>;
|
|
<span class="type">int</span> ring <span class="operator">=</span> radius <span class="operator">-</span> <span class="number">15</span>;
|
|
<span class="type"><a href="qsize.html">QSize</a></span> box <span class="operator">=</span> <span class="type"><a href="qsize.html">QSize</a></span>(magnifierSize<span class="operator">,</span> magnifierSize);
|
|
|
|
<span class="comment">// reupdate our mask</span>
|
|
<span class="keyword">if</span> (maskPixmap<span class="operator">.</span>size() <span class="operator">!</span><span class="operator">=</span> box) {
|
|
maskPixmap <span class="operator">=</span> <span class="type"><a href="qpixmap.html">QPixmap</a></span>(box);
|
|
maskPixmap<span class="operator">.</span>fill(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>transparent);
|
|
|
|
<span class="type"><a href="qradialgradient.html">QRadialGradient</a></span> g;
|
|
g<span class="operator">.</span>setCenter(radius<span class="operator">,</span> radius);
|
|
g<span class="operator">.</span>setFocalPoint(radius<span class="operator">,</span> radius);
|
|
g<span class="operator">.</span>setRadius(radius);
|
|
g<span class="operator">.</span>setColorAt(<span class="number">1.0</span><span class="operator">,</span> <span class="type"><a href="qcolor.html">QColor</a></span>(<span class="number">255</span><span class="operator">,</span> <span class="number">255</span><span class="operator">,</span> <span class="number">255</span><span class="operator">,</span> <span class="number">0</span>));
|
|
g<span class="operator">.</span>setColorAt(<span class="number">0.5</span><span class="operator">,</span> <span class="type"><a href="qcolor.html">QColor</a></span>(<span class="number">128</span><span class="operator">,</span> <span class="number">128</span><span class="operator">,</span> <span class="number">128</span><span class="operator">,</span> <span class="number">255</span>));
|
|
|
|
<span class="type"><a href="qpainter.html">QPainter</a></span> mask(<span class="operator">&</span>maskPixmap);
|
|
mask<span class="operator">.</span>setRenderHint(<span class="type"><a href="qpainter.html">QPainter</a></span><span class="operator">::</span>Antialiasing);
|
|
mask<span class="operator">.</span>setCompositionMode(<span class="type"><a href="qpainter.html">QPainter</a></span><span class="operator">::</span>CompositionMode_Source);
|
|
mask<span class="operator">.</span>setBrush(g);
|
|
mask<span class="operator">.</span>setPen(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>NoPen);
|
|
mask<span class="operator">.</span>drawRect(maskPixmap<span class="operator">.</span>rect());
|
|
mask<span class="operator">.</span>setBrush(<span class="type"><a href="qcolor.html">QColor</a></span>(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>transparent));
|
|
mask<span class="operator">.</span>drawEllipse(g<span class="operator">.</span>center()<span class="operator">,</span> ring<span class="operator">,</span> ring);
|
|
mask<span class="operator">.</span>end();
|
|
}
|
|
|
|
<span class="type"><a href="qpoint.html">QPoint</a></span> center <span class="operator">=</span> dragPos <span class="operator">-</span> <span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> radius);
|
|
center <span class="operator">=</span> center <span class="operator">+</span> <span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> radius <span class="operator">/</span> <span class="number">2</span>);
|
|
<span class="type"><a href="qpoint.html">QPoint</a></span> corner <span class="operator">=</span> center <span class="operator">-</span> <span class="type"><a href="qpoint.html">QPoint</a></span>(radius<span class="operator">,</span> radius);
|
|
|
|
<span class="type"><a href="qpoint.html">QPoint</a></span> xy <span class="operator">=</span> center <span class="operator">*</span> <span class="number">2</span> <span class="operator">-</span> <span class="type"><a href="qpoint.html">QPoint</a></span>(radius<span class="operator">,</span> radius);
|
|
|
|
<span class="comment">// only set the dimension to the magnified portion</span>
|
|
<span class="keyword">if</span> (zoomPixmap<span class="operator">.</span>size() <span class="operator">!</span><span class="operator">=</span> box) {
|
|
zoomPixmap <span class="operator">=</span> <span class="type"><a href="qpixmap.html">QPixmap</a></span>(box);
|
|
zoomPixmap<span class="operator">.</span>fill(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>lightGray);
|
|
}
|
|
<span class="keyword">if</span> (<span class="keyword">true</span>) {
|
|
<span class="type"><a href="qpainter.html">QPainter</a></span> p(<span class="operator">&</span>zoomPixmap);
|
|
p<span class="operator">.</span>translate(<span class="operator">-</span>xy);
|
|
m_largeMap<span class="operator">-</span><span class="operator">></span>render(<span class="operator">&</span>p<span class="operator">,</span> <span class="type"><a href="qrect.html">QRect</a></span>(xy<span class="operator">,</span> box));
|
|
p<span class="operator">.</span>end();
|
|
}
|
|
|
|
<span class="type"><a href="qpainterpath.html">QPainterPath</a></span> clipPath;
|
|
clipPath<span class="operator">.</span>addEllipse(center<span class="operator">,</span> ring<span class="operator">,</span> ring);
|
|
|
|
<span class="type"><a href="qpainter.html">QPainter</a></span> p(<span class="keyword">this</span>);
|
|
p<span class="operator">.</span>setRenderHint(<span class="type"><a href="qpainter.html">QPainter</a></span><span class="operator">::</span>Antialiasing);
|
|
p<span class="operator">.</span>setClipPath(clipPath);
|
|
p<span class="operator">.</span>drawPixmap(corner<span class="operator">,</span> zoomPixmap);
|
|
p<span class="operator">.</span>setClipping(<span class="keyword">false</span>);
|
|
p<span class="operator">.</span>drawPixmap(corner<span class="operator">,</span> maskPixmap);
|
|
p<span class="operator">.</span>setPen(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>gray);
|
|
p<span class="operator">.</span>drawPath(clipPath);
|
|
}
|
|
<span class="keyword">if</span> (invert) {
|
|
<span class="type"><a href="qpainter.html">QPainter</a></span> p(<span class="keyword">this</span>);
|
|
p<span class="operator">.</span>setCompositionMode(<span class="type"><a href="qpainter.html">QPainter</a></span><span class="operator">::</span>CompositionMode_Difference);
|
|
p<span class="operator">.</span>fillRect(event<span class="operator">-</span><span class="operator">></span>rect()<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>white);
|
|
p<span class="operator">.</span>end();
|
|
}
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>timerEvent(<span class="type"><a href="qtimerevent.html">QTimerEvent</a></span> <span class="operator">*</span>)
|
|
{
|
|
<span class="keyword">if</span> (<span class="operator">!</span>zoomed)
|
|
activateZoom();
|
|
update();
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>mousePressEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event)
|
|
{
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>buttons() <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>LeftButton)
|
|
<span class="keyword">return</span>;
|
|
pressed <span class="operator">=</span> snapped <span class="operator">=</span> <span class="keyword">true</span>;
|
|
pressPos <span class="operator">=</span> dragPos <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos();
|
|
tapTimer<span class="operator">.</span>stop();
|
|
tapTimer<span class="operator">.</span>start(HOLD_TIME<span class="operator">,</span> <span class="keyword">this</span>);
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>mouseMoveEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event)
|
|
{
|
|
<span class="keyword">if</span> (<span class="operator">!</span>event<span class="operator">-</span><span class="operator">></span>buttons())
|
|
<span class="keyword">return</span>;
|
|
<span class="keyword">if</span> (<span class="operator">!</span>zoomed) {
|
|
<span class="keyword">if</span> (<span class="operator">!</span>pressed <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>snapped) {
|
|
<span class="type"><a href="qpoint.html">QPoint</a></span> delta <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos() <span class="operator">-</span> pressPos;
|
|
pressPos <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos();
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>pan(delta);
|
|
<span class="keyword">return</span>;
|
|
} <span class="keyword">else</span> {
|
|
<span class="keyword">const</span> <span class="type">int</span> threshold <span class="operator">=</span> <span class="number">10</span>;
|
|
<span class="type"><a href="qpoint.html">QPoint</a></span> delta <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos() <span class="operator">-</span> pressPos;
|
|
<span class="keyword">if</span> (snapped) {
|
|
snapped <span class="operator">&</span><span class="operator">=</span> delta<span class="operator">.</span>x() <span class="operator"><</span> threshold;
|
|
snapped <span class="operator">&</span><span class="operator">=</span> delta<span class="operator">.</span>y() <span class="operator"><</span> threshold;
|
|
snapped <span class="operator">&</span><span class="operator">=</span> delta<span class="operator">.</span>x() <span class="operator">></span> <span class="operator">-</span>threshold;
|
|
snapped <span class="operator">&</span><span class="operator">=</span> delta<span class="operator">.</span>y() <span class="operator">></span> <span class="operator">-</span>threshold;
|
|
}
|
|
<span class="keyword">if</span> (<span class="operator">!</span>snapped)
|
|
tapTimer<span class="operator">.</span>stop();
|
|
}
|
|
} <span class="keyword">else</span> {
|
|
dragPos <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos();
|
|
update();
|
|
}
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>mouseReleaseEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>)
|
|
{
|
|
zoomed <span class="operator">=</span> <span class="keyword">false</span>;
|
|
update();
|
|
}
|
|
|
|
<span class="type">void</span> LightMaps<span class="operator">::</span>keyPressEvent(<span class="type"><a href="qkeyevent.html">QKeyEvent</a></span> <span class="operator">*</span>event)
|
|
{
|
|
<span class="keyword">if</span> (<span class="operator">!</span>zoomed) {
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Left)
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>pan(<span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="number">20</span><span class="operator">,</span> <span class="number">0</span>));
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Right)
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>pan(<span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="operator">-</span><span class="number">20</span><span class="operator">,</span> <span class="number">0</span>));
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Up)
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>pan(<span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">20</span>));
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Down)
|
|
m_normalMap<span class="operator">-</span><span class="operator">></span>pan(<span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="operator">-</span><span class="number">20</span>));
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Z <span class="operator">|</span><span class="operator">|</span> event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Select) {
|
|
dragPos <span class="operator">=</span> <span class="type"><a href="qpoint.html">QPoint</a></span>(width() <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> height() <span class="operator">/</span> <span class="number">2</span>);
|
|
activateZoom();
|
|
}
|
|
} <span class="keyword">else</span> {
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Z <span class="operator">|</span><span class="operator">|</span> event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Select) {
|
|
zoomed <span class="operator">=</span> <span class="keyword">false</span>;
|
|
update();
|
|
}
|
|
<span class="type"><a href="qpoint.html">QPoint</a></span> delta(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>);
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Left)
|
|
delta <span class="operator">=</span> <span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="operator">-</span><span class="number">15</span><span class="operator">,</span> <span class="number">0</span>);
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Right)
|
|
delta <span class="operator">=</span> <span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="number">15</span><span class="operator">,</span> <span class="number">0</span>);
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Up)
|
|
delta <span class="operator">=</span> <span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="operator">-</span><span class="number">15</span>);
|
|
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Down)
|
|
delta <span class="operator">=</span> <span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">15</span>);
|
|
<span class="keyword">if</span> (delta <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)) {
|
|
dragPos <span class="operator">+</span><span class="operator">=</span> delta;
|
|
update();
|
|
}
|
|
}
|
|
}</pre>
|
|
</div>
|
|
<!-- @@@demos/embedded/lightmaps/lightmaps.cpp -->
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="ft">
|
|
<span></span>
|
|
</div>
|
|
</div>
|
|
<div class="footer">
|
|
<p>
|
|
<acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd.
|
|
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>
|
|
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. <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>
|