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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qgl.h include file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b>  <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qgl.h</h1><br clear="all">This is the verbatim text of the qgl.h include file.  It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** &#36;Id&#58; qt/src/opengl/qgl.h   2.3.8   edited 2004-05-12 $**** Definition of OpenGL classes for Qt**** Created : 970112**** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.**** This file is part of the opengl module of the Qt GUI Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** This file may be distributed and/or modified under the terms of the** GNU General Public License version 2 as published by the Free Software** Foundation and appearing in the file LICENSE.GPL included in the** packaging of this file.**** Licensees holding valid Qt Enterprise Edition licenses may use this** file in accordance with the Qt Commercial License Agreement provided** with the Software.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for**   information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QGL_H#define QGL_H#ifndef QT_H#include &lt;qwidget.h&gt;#endif // QT_H#define QGL_VERSION     450#define QGL_VERSION_STR "4.5"Q_EXPORT const char *qGLVersion();#if !(defined(Q_WGL) || defined(Q_GLX))#if defined(_OS_WIN32_)#define Q_WGL#else#define Q_GLX#endif#endif#if defined(Q_WGL)#include &lt;qt_windows.h&gt;#endif#include &lt;GL/gl.h&gt;#include &lt;GL/glu.h&gt;class QGLColorMap;class <a href="qpixmap.html">QPixmap</a>;#if defined(Q_GLX)class QGLOverlayWidget;#endif// Namespace class:class Q_EXPORT <a href="qgl.html">QGL</a>{public:    enum FormatOption {        DoubleBuffer            = 0x0001,        DepthBuffer             = 0x0002,        Rgba                    = 0x0004,        AlphaChannel            = 0x0008,        AccumBuffer             = 0x0010,        StencilBuffer           = 0x0020,        StereoBuffers           = 0x0040,        DirectRendering         = 0x0080,        HasOverlay              = 0x0100,        SingleBuffer            = DoubleBuffer  &lt;&lt; 16,        NoDepthBuffer           = DepthBuffer   &lt;&lt; 16,        ColorIndex              = Rgba          &lt;&lt; 16,        NoAlphaChannel          = AlphaChannel  &lt;&lt; 16,        NoAccumBuffer           = AccumBuffer   &lt;&lt; 16,        NoStencilBuffer         = StencilBuffer &lt;&lt; 16,        NoStereoBuffers         = StereoBuffers &lt;&lt; 16,        IndirectRendering       = DirectRendering &lt;&lt; 16,        NoOverlay               = HasOverlay &lt;&lt; 16    };};class Q_EXPORT <a href="qglformat.html">QGLFormat</a> : public <a href="qgl.html">QGL</a>{public:    QGLFormat();    QGLFormat( int options, int plane = 0 );    bool                doubleBuffer() const;    void                setDoubleBuffer( bool enable );    bool                depth() const;    void                setDepth( bool enable );    bool                rgba() const;    void                setRgba( bool enable );    bool                alpha() const;    void                setAlpha( bool enable );    bool                accum() const;    void                setAccum( bool enable );    bool                stencil() const;    void                setStencil( bool enable );    bool                stereo() const;    void                setStereo( bool enable );    bool                directRendering() const;    void                setDirectRendering( bool enable );    bool                hasOverlay() const;    void                setOverlay( bool enable );    int                 plane() const;    void                setPlane( int plane );    void                setOption( FormatOption opt );    bool                testOption( FormatOption opt ) const;        static QGLFormat    defaultFormat();    static void         setDefaultFormat( const QGLFormat&amp; f );    static QGLFormat    defaultOverlayFormat();    static void         setDefaultOverlayFormat( const QGLFormat&amp; f );    static bool         hasOpenGL();    static bool         hasOpenGLOverlays();    friend Q_EXPORT bool operator==( const QGLFormat&amp;, const QGLFormat&amp; );    friend Q_EXPORT bool operator!=( const QGLFormat&amp;, const QGLFormat&amp; );    private:    uint opts;    int pln;};Q_EXPORT bool operator==( const QGLFormat&amp;, const QGLFormat&amp; );Q_EXPORT bool operator!=( const QGLFormat&amp;, const QGLFormat&amp; );class Q_EXPORT <a href="qglcontext.html">QGLContext</a> : public <a href="qgl.html">QGL</a>{public:    QGLContext( const QGLFormat&amp; format, QPaintDevice* device );    virtual ~QGLContext();    virtual bool        create( const QGLContext* shareContext = 0 );    bool                isValid() const;    bool                isSharing() const;    virtual void        reset();    QGLFormat           format() const;    virtual void        setFormat( const QGLFormat&amp; format );    virtual void        makeCurrent();    virtual void        swapBuffers() const;    QPaintDevice*       device() const;    QColor              overlayTransparentColor() const;    static const QGLContext*    currentContext();protected:    virtual bool        chooseContext( const QGLContext* shareContext = 0 );    virtual void        doneCurrent();    #if defined(Q_WGL)    virtual int         choosePixelFormat( void* pfd, HDC pdc );#elif defined(Q_GLX)    virtual void*       tryVisual( const QGLFormat&amp; f, int bufDepth = 1 );    virtual void*       chooseVisual();#endif    bool                deviceIsPixmap() const;    bool                windowCreated() const;    void                setWindowCreated( bool on );    bool                initialized() const;    void                setInitialized( bool on );    uint                colorIndex( const QColor&amp; c ) const;protected:#if defined(Q_WGL)    HGLRC               rc;    HDC                 dc;    WId                 win;    int                 pixelFormatId;    QGLColorMap*                cmap;#elif defined(Q_GLX)    void*               vi;    void*               cx;    Q_UINT32            gpm;#endif    QGLFormat           glFormat;private:    bool                valid;    bool                sharing;    bool                initDone;    bool                crWin;    QPaintDevice*       paintDevice;    QColor              transpColor;    static QGLContext*  currentCtx;    friend class QGLWidget;    private:        // Disabled copy constructor and operator=    QGLContext() {}    QGLContext( const QGLContext&amp; ) {}    QGLContext&amp;         operator=( const QGLContext&amp; ) { return *this; }};class Q_EXPORT <a href="qglwidget.html">QGLWidget</a> : public <a href="qwidget.html">QWidget</a>, public <a href="qgl.html">QGL</a>{    Q_OBJECTpublic:    QGLWidget( QWidget* parent=0, const char* name=0,               const QGLWidget* shareWidget = 0, WFlags f=0 );    QGLWidget( const QGLFormat&amp; format, QWidget* parent=0, const char* name=0,               const QGLWidget* shareWidget = 0, WFlags f=0 );   ~QGLWidget();    void                qglColor( const QColor&amp; c ) const;    void                qglClearColor( const QColor&amp; c ) const;    bool                isValid() const;    bool                isSharing() const;    virtual void        makeCurrent();    bool                doubleBuffer() const;    virtual void        swapBuffers();    QGLFormat           format() const;#if 1    virtual void        setFormat( const QGLFormat&amp; format ); // OBSOLETE#endif    const QGLContext*   context() const;#if 1    virtual void        setContext( QGLContext* context,                                    const QGLContext* shareContext = 0,                                    bool deleteOldContext = TRUE ); // OBSOLETE#endif    virtual QPixmap     renderPixmap( int w = 0, int h = 0,                                      bool useContext = FALSE );    virtual void        makeOverlayCurrent();    const QGLContext*   overlayContext() const;    void                setMouseTracking( bool enable );    static QImage       convertToGLFormat( const QImage&amp; img );public slots:    virtual void        updateGL();    virtual void        updateOverlayGL();protected:    virtual void        initializeGL();    virtual void        resizeGL( int w, int h );    virtual void        paintGL();    virtual void        initializeOverlayGL();    virtual void        resizeOverlayGL( int w, int h );    virtual void        paintOverlayGL();    void                setAutoBufferSwap( bool on );    bool                autoBufferSwap() const;    void                paintEvent( QPaintEvent* );    void                resizeEvent( QResizeEvent* );    virtual void        glInit();    virtual void        glDraw();    private:    void                init( const QGLFormat&amp; fmt,                              const QGLWidget* shareWidget );    bool                renderCxPm( QPixmap* pm );    QGLContext*         glcx;    bool                autoSwap;#if defined(Q_WGL)    QGLContext*         olcx;#elif defined(Q_GLX)    QGLOverlayWidget*   olw;    friend class QGLOverlayWidget;#endifprivate:        // Disabled copy constructor and operator=#if defined(Q_DISABLE_COPY)    QGLWidget( const QGLWidget&amp; );    QGLWidget&amp;          operator=( const QGLWidget&amp; );#endif};//// QGLFormat inline functions//inline bool QGLFormat::doubleBuffer() const{    return testOption( DoubleBuffer );}inline bool QGLFormat::depth() const{    return testOption( DepthBuffer );}inline bool QGLFormat::rgba() const{    return testOption( Rgba );}inline bool QGLFormat::alpha() const{    return testOption( AlphaChannel );}inline bool QGLFormat::accum() const{    return testOption( AccumBuffer );}inline bool QGLFormat::stencil() const{    return testOption( StencilBuffer );}inline bool QGLFormat::stereo() const{    return testOption( StereoBuffers );}inline bool QGLFormat::directRendering() const{    return testOption( DirectRendering );}inline bool QGLFormat::hasOverlay() const{    return testOption( HasOverlay );}//// QGLContext inline functions//inline bool QGLContext::isValid() const{    return valid;}inline bool QGLContext::isSharing() const{    return sharing;}inline QGLFormat QGLContext::format() const{    return glFormat;}inline QPaintDevice* QGLContext::device() const{    return paintDevice;}inline bool QGLContext::deviceIsPixmap() const{    return paintDevice-&gt;devType() == QInternal::Pixmap;}inline bool QGLContext::windowCreated() const{    return crWin;}inline void QGLContext::setWindowCreated( bool on ){    crWin = on;}inline bool QGLContext::initialized() const{    return initDone;}inline void QGLContext::setInitialized( bool on ){    initDone = on;}inline const QGLContext* QGLContext::currentContext(){    return currentCtx;}//// QGLWidget inline functions//inline QGLFormat QGLWidget::format() const{    return glcx-&gt;format();}inline const QGLContext *QGLWidget::context() const{    return glcx;}inline bool QGLWidget::doubleBuffer() const{    return glcx-&gt;format().doubleBuffer();}inline void QGLWidget::setAutoBufferSwap( bool on ){    autoSwap = on;}inline bool QGLWidget::autoBufferSwap() const{    return autoSwap;}#endif // QGL_H</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright
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