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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
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| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
| commit | bd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch) | |
| tree | 7a520322212d48ebcb9fbe1087e7fca28b76185c /doc/html/qgl-h.html | |
| download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip | |
Add Qt3 development HEAD version
Diffstat (limited to 'doc/html/qgl-h.html')
| -rw-r--r-- | doc/html/qgl-h.html | 586 |
1 files changed, 586 insertions, 0 deletions
diff --git a/doc/html/qgl-h.html b/doc/html/qgl-h.html new file mode 100644 index 0000000..ade7003 --- /dev/null +++ b/doc/html/qgl-h.html @@ -0,0 +1,586 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/qgl.h:1 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>qgl.h Include File</title> +<style type="text/css"><!-- +fn { margin-left: 1cm; text-indent: -1cm; } +a:link { color: #004faf; text-decoration: none } +a:visited { color: #672967; text-decoration: none } +body { background: #ffffff; color: black; } +--></style> +</head> +<body> + +<table border="0" cellpadding="0" cellspacing="0" width="100%"> +<tr bgcolor="#E5E5E5"> +<td valign=center> + <a href="index.html"> +<font color="#004faf">Home</font></a> + | <a href="classes.html"> +<font color="#004faf">All Classes</font></a> + | <a href="mainclasses.html"> +<font color="#004faf">Main Classes</font></a> + | <a href="annotated.html"> +<font color="#004faf">Annotated</font></a> + | <a href="groups.html"> +<font color="#004faf">Grouped Classes</font></a> + | <a href="functions.html"> +<font color="#004faf">Functions</font></a> +</td> +<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qgl.h</h1> + +<p>This is the verbatim text of the qgl.h include file. It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qgl.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of OpenGL classes for Qt +** +** Created : 970112 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the opengl module of the Qt GUI Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License versions 2.0 or 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Alternatively you may (at your option) use any +** later version of the GNU General Public License if such license has +** been publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free Qt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing requirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.QPL +** included in the packaging of this file. Licensees holding valid Qt +** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef QGL_H +#define QGL_H + +#ifndef QT_H +#include "qwidget.h" +#include "qglcolormap.h" +#endif // QT_H + +#if !defined( QT_MODULE_OPENGL ) || defined( QT_LICENSE_PROFESSIONAL ) +#define QM_EXPORT_OPENGL +#else +#define QM_EXPORT_OPENGL Q_EXPORT +#endif + +#ifndef QT_NO_COMPAT +#define QGL_VERSION 450 +#define QGL_VERSION_STR "4.5" +QM_EXPORT_OPENGL inline const char *qGLVersion() { + qObsolete( 0, "qGLVersion", "qVersion" ); + return QGL_VERSION_STR; +} +#endif + +#if defined(Q_WS_WIN) +# include "qt_windows.h" +#endif + +#if defined(Q_WS_MAC) +#if !defined( QMAC_OPENGL_DOUBLEBUFFER ) +/* This macro is different now. If the macro is not defined QGLWidget will + * try to determine when you need double buffering. If set to 0 it will + * never double buffer and *can* be acclerated. If set to 1 (the default) + * it will always double buffer. Unlike before the value of this macro does + * not upset binary compatability either. */ +#if QT_MACOSX_VERSION >= 0x1020 +# define QMAC_OPENGL_DOUBLEBUFFER 0 +#endif +#endif +# include <OpenGL/gl.h> +# include <OpenGL/glu.h> +#else +# include <GL/gl.h> +# include <GL/glu.h> +#endif + +#if defined(Q_WS_WIN) || defined(Q_WS_MAC) +class QGLCmap; +#endif + +class QPixmap; +#if defined(Q_WS_X11) +class QGLOverlayWidget; +#endif + +// Namespace class: +class QM_EXPORT_OPENGL QGL +{ +public: + enum FormatOption { + DoubleBuffer = 0x0001, + DepthBuffer = 0x0002, + Rgba = 0x0004, + AlphaChannel = 0x0008, + AccumBuffer = 0x0010, + StencilBuffer = 0x0020, + StereoBuffers = 0x0040, + DirectRendering = 0x0080, + HasOverlay = 0x0100, + SingleBuffer = DoubleBuffer << 16, + NoDepthBuffer = DepthBuffer << 16, + ColorIndex = Rgba << 16, + NoAlphaChannel = AlphaChannel << 16, + NoAccumBuffer = AccumBuffer << 16, + NoStencilBuffer = StencilBuffer << 16, + NoStereoBuffers = StereoBuffers << 16, + IndirectRendering = DirectRendering << 16, + NoOverlay = HasOverlay << 16 + }; +}; + + + +class QM_EXPORT_OPENGL QGLFormat : public QGL +{ +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& f ); + + static QGLFormat defaultOverlayFormat(); + static void setDefaultOverlayFormat( const QGLFormat& f ); + + static bool hasOpenGL(); + static bool hasOpenGLOverlays(); + + friend QM_EXPORT_OPENGL bool operator==( const QGLFormat&, + const QGLFormat& ); + friend QM_EXPORT_OPENGL bool operator!=( const QGLFormat&, + const QGLFormat& ); +private: + uint opts; + int pln; +}; + + +QM_EXPORT_OPENGL bool operator==( const QGLFormat&, const QGLFormat& ); +QM_EXPORT_OPENGL bool operator!=( const QGLFormat&, const QGLFormat& ); + +class QM_EXPORT_OPENGL QGLContext : public QGL +{ +public: + QGLContext( const QGLFormat& format, QPaintDevice* device ); + QGLContext( const QGLFormat& format ); + virtual ~QGLContext(); + + virtual bool create( const QGLContext* shareContext = 0 ); + bool isValid() const; + bool isSharing() const; + virtual void reset(); + + QGLFormat format() const; + QGLFormat requestedFormat() const; + virtual void setFormat( const QGLFormat& 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(); // ### 4.0: make this public - needed for multithreading stuff + +#if defined(Q_WS_WIN) + virtual int choosePixelFormat( void* pfd, HDC pdc ); +#endif +#if defined(Q_WS_X11) + virtual void* tryVisual( const QGLFormat& f, int bufDepth = 1 ); + virtual void* chooseVisual(); +#endif +#if defined(Q_WS_MAC) + virtual void* chooseMacVisual(GDHandle); +#endif + + bool deviceIsPixmap() const; + bool windowCreated() const; + void setWindowCreated( bool on ); + bool initialized() const; + void setInitialized( bool on ); + void generateFontDisplayLists( const QFont & fnt, int listBase ); + + uint colorIndex( const QColor& c ) const; + void setValid( bool valid ); + void setDevice( QPaintDevice *pDev ); + +protected: +#if defined(Q_WS_WIN) + HGLRC rc; + HDC dc; + WId win; + int pixelFormatId; + QGLCmap* cmap; +#elif defined(Q_WS_X11) || defined(Q_WS_MAC) + void* vi; + void* cx; +#if defined(Q_WS_X11) + Q_UINT32 gpm; +#endif +#endif + QGLFormat glFormat; + QGLFormat reqFormat; + static QGLContext* currentCtx; + +private: + void init( QPaintDevice *dev = 0 ); + class Private { + public: + bool valid; + bool sharing; + bool initDone; + bool crWin; + QPaintDevice* paintDevice; + QColor transpColor; +#ifdef Q_WS_MAC + QRect oldR; +#endif + }; + Private* d; + + friend class QGLWidget; +#ifdef Q_WS_MAC + void fixBufferRect(); +#endif + +private: // Disabled copy constructor and operator= + QGLContext() {} + QGLContext( const QGLContext& ) {} + QGLContext& operator=( const QGLContext& ) { return *this; } +}; + + + + +class QM_EXPORT_OPENGL QGLWidget : public QWidget, public QGL +{ + Q_OBJECT +public: + QGLWidget( QWidget* parent=0, const char* name=0, + const QGLWidget* shareWidget = 0, WFlags f=0 ); + QGLWidget( QGLContext *context, QWidget* parent, const char* name=0, + const QGLWidget* shareWidget = 0, WFlags f=0 ); + QGLWidget( const QGLFormat& format, QWidget* parent=0, const char* name=0, + const QGLWidget* shareWidget = 0, WFlags f=0 ); + ~QGLWidget(); + + void qglColor( const QColor& c ) const; + void qglClearColor( const QColor& c ) const; + + bool isValid() const; + bool isSharing() const; + virtual void makeCurrent(); + void doneCurrent(); + + bool doubleBuffer() const; + virtual void swapBuffers(); + + QGLFormat format() const; +#ifndef Q_QDOC + virtual void setFormat( const QGLFormat& format ); +#endif + + const QGLContext* context() const; +#ifndef Q_QDOC + virtual void setContext( QGLContext* context, + const QGLContext* shareContext = 0, + bool deleteOldContext = TRUE ); +#endif + + virtual QPixmap renderPixmap( int w = 0, int h = 0, + bool useContext = FALSE ); + virtual QImage grabFrameBuffer( bool withAlpha = FALSE ); + + virtual void makeOverlayCurrent(); + const QGLContext* overlayContext() const; + + static QImage convertToGLFormat( const QImage& img ); + + void setMouseTracking( bool enable ); + virtual void reparent( QWidget* parent, WFlags f, const QPoint& p, + bool showIt = FALSE ); + + const QGLColormap & colormap() const; + void setColormap( const QGLColormap & map ); + + void renderText( int x, int y, const QString & str, + const QFont & fnt = QFont(), int listBase = 2000 ); + void renderText( double x, double y, double z, const QString & str, + const QFont & fnt = QFont(), int listBase = 2000 ); +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: + int displayListBase( const QFont & fnt, int listBase ); + void cleanupColormaps(); + void init( QGLContext *context, const QGLWidget* shareWidget ); + bool renderCxPm( QPixmap* pm ); + QGLContext* glcx; + bool autoSwap; + + QGLColormap cmap; + +#if defined(Q_WS_WIN) || defined(Q_WS_MAC) + QGLContext* olcx; +#elif defined(Q_WS_X11) + QGLOverlayWidget* olw; + friend class QGLOverlayWidget; +#endif + +private: // Disabled copy constructor and operator= +#if defined(Q_DISABLE_COPY) + QGLWidget( const QGLWidget& ); + QGLWidget& operator=( const QGLWidget& ); +#endif + +#if defined(Q_WS_MAC) +private: + const QGLContext *slcx; + uint pending_fix : 1, + glcx_dblbuf : 2, + dblbuf : 1, + clp_serial : 15; + QPixmap *gl_pix; + QGLFormat req_format; + + void macInternalRecreateContext( QGLContext *ctx, + const QGLContext* = NULL, + bool update = TRUE ); + bool macInternalDoubleBuffer( bool fix = TRUE ); + virtual void setRegionDirty( bool ); + virtual void macWidgetChangedWindow(); +#endif +private slots: + void macInternalFixBufferRect(); +}; + + +// +// 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 d->valid; +} + +inline void QGLContext::setValid( bool valid ) +{ + d->valid = valid; +} + +inline bool QGLContext::isSharing() const +{ + return d->sharing; +} + +inline QGLFormat QGLContext::format() const +{ + return glFormat; +} + +inline QGLFormat QGLContext::requestedFormat() const +{ + return reqFormat; +} + +inline QPaintDevice* QGLContext::device() const +{ + return d->paintDevice; +} + +inline bool QGLContext::deviceIsPixmap() const +{ + return d->paintDevice->devType() == QInternal::Pixmap; +} + + +inline bool QGLContext::windowCreated() const +{ + return d->crWin; +} + + +inline void QGLContext::setWindowCreated( bool on ) +{ + d->crWin = on; +} + +inline bool QGLContext::initialized() const +{ + return d->initDone; +} + +inline void QGLContext::setInitialized( bool on ) +{ + d->initDone = on; +} + +inline const QGLContext* QGLContext::currentContext() +{ + return currentCtx; +} + +// +// QGLWidget inline functions +// + +inline QGLFormat QGLWidget::format() const +{ + return glcx->format(); +} + +inline const QGLContext *QGLWidget::context() const +{ + return glcx; +} + +inline bool QGLWidget::doubleBuffer() const +{ + return glcx->format().doubleBuffer(); +} + +inline void QGLWidget::setAutoBufferSwap( bool on ) +{ + autoSwap = on; +} + +inline bool QGLWidget::autoBufferSwap() const +{ + return autoSwap; +} + +#endif +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |