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qt-mobility-doc-1.2.0-13.mga5.noarch.rpm

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<h1 class="title">camera.h Example File</h1>
<span class="small-subtitle">sensors/cubehouse/camera.h</span>
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<pre class="cpp"> <span class="comment">/****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Mobility Components.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** &quot;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 Nokia Corporation 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
 ** &quot;AS IS&quot; 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.&quot;
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/</span>

 <span class="preprocessor">#ifndef CAMERA_H</span>
 <span class="preprocessor">#define CAMERA_H</span>

 <span class="preprocessor">#include &lt;QtCore/qobject.h&gt;</span>
 <span class="preprocessor">#include &lt;QtCore/qsize.h&gt;</span>
 <span class="preprocessor">#include &lt;QtGui/qvector3d.h&gt;</span>
 <span class="preprocessor">#include &lt;QtGui/qmatrix4x4.h&gt;</span>
 <span class="preprocessor">#include &lt;QtGui/qquaternion.h&gt;</span>

 <span class="keyword">class</span> CameraPrivate;
 <span class="keyword">class</span> <span class="type">QGLPainter</span>;

 <span class="keyword">class</span> Camera : <span class="keyword">public</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qobject.html">QObject</a></span>
 {
     Q_OBJECT
     Q_ENUMS(ProjectionType)
     Q_PROPERTY(ProjectionType projectionType READ projectionType WRITE setProjectionType NOTIFY projectionChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> fieldOfView READ fieldOfView WRITE setFieldOfView NOTIFY projectionChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> nearPlane READ nearPlane WRITE setNearPlane NOTIFY projectionChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> farPlane READ farPlane WRITE setFarPlane NOTIFY projectionChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qsizef.html">QSizeF</a></span> viewSize READ viewSize WRITE setViewSize NOTIFY projectionChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qsizef.html">QSizeF</a></span> minViewSize READ minViewSize WRITE setMinViewSize NOTIFY projectionChanged)
     Q_PROPERTY(<span class="type">int</span> screenRotation READ screenRotation WRITE setScreenRotation NOTIFY projectionChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> xEye READ xEye WRITE setXEye NOTIFY viewChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> yEye READ yEye WRITE setYEye NOTIFY viewChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> zEye READ zEye WRITE setZEye NOTIFY viewChanged)
     Q_PROPERTY(QVector3D eye READ eye WRITE setEye NOTIFY viewChanged)
     Q_PROPERTY(QVector3D upVector READ upVector WRITE setUpVector NOTIFY viewChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> xCentre READ xCentre WRITE setXCentre NOTIFY viewChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> yCentre READ yCentre WRITE setYCentre NOTIFY viewChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> zCentre READ zCentre WRITE setZCentre NOTIFY viewChanged)
     Q_PROPERTY(QVector3D center READ center WRITE setCenter NOTIFY viewChanged)
     Q_PROPERTY(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> eyeSeparation READ eyeSeparation WRITE setEyeSeparation NOTIFY viewChanged)
     Q_PROPERTY(QVector3D motionAdjustment READ motionAdjustment WRITE setMotionAdjustment DESIGNABLE <span class="keyword">false</span> NOTIFY viewChanged)
     Q_PROPERTY(<span class="type">bool</span> adjustForAspectRatio READ adjustForAspectRatio WRITE setAdjustForAspectRatio NOTIFY viewChanged)
 <span class="keyword">public</span>:
     <span class="keyword">explicit</span> Camera(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qobject.html">QObject</a></span> <span class="operator">*</span>parent <span class="operator">=</span> <span class="number">0</span>);
     <span class="operator">~</span>Camera();

     <span class="keyword">enum</span> ProjectionType
     {
         Perspective<span class="operator">,</span>
         Orthographic
     };

     Camera<span class="operator">::</span>ProjectionType projectionType() <span class="keyword">const</span>;
     <span class="type">void</span> setProjectionType(Camera<span class="operator">::</span>ProjectionType value);

     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> fieldOfView() <span class="keyword">const</span>;
     <span class="type">void</span> setFieldOfView(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> angle);

     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> nearPlane() <span class="keyword">const</span>;
     <span class="type">void</span> setNearPlane(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> value);

     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> farPlane() <span class="keyword">const</span>;
     <span class="type">void</span> setFarPlane(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> value);

     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsizef.html">QSizeF</a></span> viewSize() <span class="keyword">const</span>;
     <span class="type">void</span> setViewSize(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsizef.html">QSizeF</a></span><span class="operator">&amp;</span> size);

     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsizef.html">QSizeF</a></span> minViewSize() <span class="keyword">const</span>;
     <span class="type">void</span> setMinViewSize(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsizef.html">QSizeF</a></span><span class="operator">&amp;</span> size);

     <span class="type">int</span> screenRotation() <span class="keyword">const</span>;
     <span class="type">void</span> setScreenRotation(<span class="type">int</span> angle);

     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> xEye() <span class="keyword">const</span>;
     <span class="type">void</span> setXEye(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> value);
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> yEye() <span class="keyword">const</span>;
     <span class="type">void</span> setYEye(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> value);
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> zEye() <span class="keyword">const</span>;
     <span class="type">void</span> setZEye(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> value);

     QVector3D eye() <span class="keyword">const</span>;
     <span class="type">void</span> setEye(<span class="keyword">const</span> QVector3D<span class="operator">&amp;</span> vertex);

     QVector3D upVector() <span class="keyword">const</span>;
     <span class="type">void</span> setUpVector(<span class="keyword">const</span> QVector3D<span class="operator">&amp;</span> vector);

     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> xCentre() <span class="keyword">const</span>;
     <span class="type">void</span> setXCentre(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> value);
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> yCentre() <span class="keyword">const</span>;
     <span class="type">void</span> setYCentre(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> value);
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> zCentre() <span class="keyword">const</span>;
     <span class="type">void</span> setZCentre(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> value);

     QVector3D center() <span class="keyword">const</span>;
     <span class="type">void</span> setCenter(<span class="keyword">const</span> QVector3D<span class="operator">&amp;</span> vertex);

     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> eyeSeparation() <span class="keyword">const</span>;
     <span class="type">void</span> setEyeSeparation(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> value);

     QVector3D motionAdjustment() <span class="keyword">const</span>;
     <span class="type">void</span> setMotionAdjustment(<span class="keyword">const</span> QVector3D<span class="operator">&amp;</span> vector);

     <span class="type">bool</span> adjustForAspectRatio() <span class="keyword">const</span>;
     <span class="type">void</span> setAdjustForAspectRatio(<span class="type">bool</span> value);

     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qquaternion.html">QQuaternion</a></span> tilt(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> angle) <span class="keyword">const</span>;
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qquaternion.html">QQuaternion</a></span> pan(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> angle) <span class="keyword">const</span>;
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qquaternion.html">QQuaternion</a></span> roll(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> angle) <span class="keyword">const</span>;

     <span class="type">void</span> rotateEye(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qquaternion.html">QQuaternion</a></span><span class="operator">&amp;</span> q);
     <span class="type">void</span> rotateCenter(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qquaternion.html">QQuaternion</a></span><span class="operator">&amp;</span> q);

     QVector3D translation(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> x<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> y<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> z) <span class="keyword">const</span>;

     <span class="type">void</span> translateEye(<span class="keyword">const</span> QVector3D<span class="operator">&amp;</span> vector);
     <span class="type">void</span> translateCenter(<span class="keyword">const</span> QVector3D<span class="operator">&amp;</span> vector);

     QMatrix4x4 projectionMatrix(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> aspectRatio) <span class="keyword">const</span>;
     QMatrix4x4 modelViewMatrix() <span class="keyword">const</span>;

 Q_SIGNALS:
     <span class="type">void</span> projectionChanged();
     <span class="type">void</span> viewChanged();

 <span class="keyword">private</span>:
     CameraPrivate <span class="operator">*</span>d_ptr;

     CameraPrivate <span class="operator">*</span>d_func() <span class="keyword">const</span> { <span class="keyword">return</span> d_ptr; }

     Q_DISABLE_COPY(Camera)
 };

 <span class="preprocessor">#endif</span></pre>
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