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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 TQt +** +** Created : 970112 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the opengl module of the TQt 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 TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements 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.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** 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 TQGL_H +#define TQGL_H + +#ifndef QT_H +#include "qwidget.h" +#include "qglcolormap.h" +#endif // QT_H + +#if !defined( QT_MODULE_OPENGL ) || defined( QT_LICENSE_PROFESSIONAL ) +#define TQM_EXPORT_OPENGL +#else +#define TQM_EXPORT_OPENGL Q_EXPORT +#endif + +#ifndef QT_NO_COMPAT +#define TQGL_VERSION 450 +#define TQGL_VERSION_STR "4.5" +TQM_EXPORT_OPENGL inline const char *qGLVersion() { + qObsolete( 0, "qGLVersion", "qVersion" ); + return TQGL_VERSION_STR; +} +#endif + +#if defined(Q_WS_WIN) +# include "qt_windows.h" +#endif + +#if defined(Q_WS_MAC) +#if !defined( TQMAC_OPENGL_DOUBLEBUFFER ) +/* This macro is different now. If the macro is not defined TQGLWidget 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 TQMAC_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 TQGLCmap; +#endif + +class TQPixmap; +#if defined(Q_WS_X11) +class TQGLOverlayWidget; +#endif + +// Namespace class: +class TQM_EXPORT_OPENGL TQGL +{ +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 TQM_EXPORT_OPENGL TQGLFormat : public TQGL +{ +public: + TQGLFormat(); + TQGLFormat( 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 TQGLFormat defaultFormat(); + static void setDefaultFormat( const TQGLFormat& f ); + + static TQGLFormat defaultOverlayFormat(); + static void setDefaultOverlayFormat( const TQGLFormat& f ); + + static bool hasOpenGL(); + static bool hasOpenGLOverlays(); + + friend TQM_EXPORT_OPENGL bool operator==( const TQGLFormat&, + const TQGLFormat& ); + friend TQM_EXPORT_OPENGL bool operator!=( const TQGLFormat&, + const TQGLFormat& ); +private: + uint opts; + int pln; +}; + + +TQM_EXPORT_OPENGL bool operator==( const TQGLFormat&, const TQGLFormat& ); +TQM_EXPORT_OPENGL bool operator!=( const TQGLFormat&, const TQGLFormat& ); + +class TQM_EXPORT_OPENGL TQGLContext : public TQGL +{ +public: + TQGLContext( const TQGLFormat& format, TQPaintDevice* device ); + TQGLContext( const TQGLFormat& format ); + virtual ~TQGLContext(); + + virtual bool create( const TQGLContext* shareContext = 0 ); + bool isValid() const; + bool isSharing() const; + virtual void reset(); + + TQGLFormat format() const; + TQGLFormat requestedFormat() const; + virtual void setFormat( const TQGLFormat& format ); + + virtual void makeCurrent(); + virtual void swapBuffers() const; + + TQPaintDevice* device() const; + + TQColor overlayTransparentColor() const; + + static const TQGLContext* currentContext(); + +protected: + virtual bool chooseContext( const TQGLContext* 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 TQGLFormat& 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 TQFont & fnt, int listBase ); + + uint colorIndex( const TQColor& c ) const; + void setValid( bool valid ); + void setDevice( TQPaintDevice *pDev ); + +protected: +#if defined(Q_WS_WIN) + HGLRC rc; + HDC dc; + WId win; + int pixelFormatId; + TQGLCmap* cmap; +#elif defined(Q_WS_X11) || defined(Q_WS_MAC) + void* vi; + void* cx; +#if defined(Q_WS_X11) + Q_UINT32 gpm; +#endif +#endif + TQGLFormat glFormat; + TQGLFormat reqFormat; + static TQGLContext* currentCtx; + +private: + void init( TQPaintDevice *dev = 0 ); + class Private { + public: + bool valid; + bool sharing; + bool initDone; + bool crWin; + TQPaintDevice* paintDevice; + TQColor transpColor; +#ifdef Q_WS_MAC + TQRect oldR; +#endif + }; + Private* d; + + friend class TQGLWidget; +#ifdef Q_WS_MAC + void fixBufferRect(); +#endif + +private: // Disabled copy constructor and operator= + TQGLContext() {} + TQGLContext( const TQGLContext& ) {} + TQGLContext& operator=( const TQGLContext& ) { return *this; } +}; + + + + +class TQM_EXPORT_OPENGL TQGLWidget : public TQWidget, public TQGL +{ + Q_OBJECT +public: + TQGLWidget( TQWidget* parent=0, const char* name=0, + const TQGLWidget* shareWidget = 0, WFlags f=0 ); + TQGLWidget( TQGLContext *context, TQWidget* parent, const char* name=0, + const TQGLWidget* shareWidget = 0, WFlags f=0 ); + TQGLWidget( const TQGLFormat& format, TQWidget* parent=0, const char* name=0, + const TQGLWidget* shareWidget = 0, WFlags f=0 ); + ~TQGLWidget(); + + void qglColor( const TQColor& c ) const; + void qglClearColor( const TQColor& c ) const; + + bool isValid() const; + bool isSharing() const; + virtual void makeCurrent(); + void doneCurrent(); + + bool doubleBuffer() const; + virtual void swapBuffers(); + + TQGLFormat format() const; +#ifndef Q_QDOC + virtual void setFormat( const TQGLFormat& format ); +#endif + + const TQGLContext* context() const; +#ifndef Q_QDOC + virtual void setContext( TQGLContext* context, + const TQGLContext* shareContext = 0, + bool deleteOldContext = TRUE ); +#endif + + virtual TQPixmap renderPixmap( int w = 0, int h = 0, + bool useContext = FALSE ); + virtual TQImage grabFrameBuffer( bool withAlpha = FALSE ); + + virtual void makeOverlayCurrent(); + const TQGLContext* overlayContext() const; + + static TQImage convertToGLFormat( const TQImage& img ); + + void setMouseTracking( bool enable ); + virtual void reparent( TQWidget* parent, WFlags f, const TQPoint& p, + bool showIt = FALSE ); + + const TQGLColormap & colormap() const; + void setColormap( const TQGLColormap & map ); + + void renderText( int x, int y, const TQString & str, + const TQFont & fnt = TQFont(), int listBase = 2000 ); + void renderText( double x, double y, double z, const TQString & str, + const TQFont & fnt = TQFont(), 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( TQPaintEvent* ); + void resizeEvent( TQResizeEvent* ); + + virtual void glInit(); + virtual void glDraw(); + +private: + int displayListBase( const TQFont & fnt, int listBase ); + void cleanupColormaps(); + void init( TQGLContext *context, const TQGLWidget* shareWidget ); + bool renderCxPm( TQPixmap* pm ); + TQGLContext* glcx; + bool autoSwap; + + TQGLColormap cmap; + +#if defined(Q_WS_WIN) || defined(Q_WS_MAC) + TQGLContext* olcx; +#elif defined(Q_WS_X11) + TQGLOverlayWidget* olw; + friend class TQGLOverlayWidget; +#endif + +private: // Disabled copy constructor and operator= +#if defined(Q_DISABLE_COPY) + TQGLWidget( const TQGLWidget& ); + TQGLWidget& operator=( const TQGLWidget& ); +#endif + +#if defined(Q_WS_MAC) +private: + const TQGLContext *slcx; + uint pending_fix : 1, + glcx_dblbuf : 2, + dblbuf : 1, + clp_serial : 15; + TQPixmap *gl_pix; + TQGLFormat req_format; + + void macInternalRecreateContext( TQGLContext *ctx, + const TQGLContext* = NULL, + bool update = TRUE ); + bool macInternalDoubleBuffer( bool fix = TRUE ); + virtual void setRegionDirty( bool ); + virtual void macWidgetChangedWindow(); +#endif +private slots: + void macInternalFixBufferRect(); +}; + + +// +// TQGLFormat inline functions +// + +inline bool TQGLFormat::doubleBuffer() const +{ + return testOption( DoubleBuffer ); +} + +inline bool TQGLFormat::depth() const +{ + return testOption( DepthBuffer ); +} + +inline bool TQGLFormat::rgba() const +{ + return testOption( Rgba ); +} + +inline bool TQGLFormat::alpha() const +{ + return testOption( AlphaChannel ); +} + +inline bool TQGLFormat::accum() const +{ + return testOption( AccumBuffer ); +} + +inline bool TQGLFormat::stencil() const +{ + return testOption( StencilBuffer ); +} + +inline bool TQGLFormat::stereo() const +{ + return testOption( StereoBuffers ); +} + +inline bool TQGLFormat::directRendering() const +{ + return testOption( DirectRendering ); +} + +inline bool TQGLFormat::hasOverlay() const +{ + return testOption( HasOverlay ); +} + +// +// TQGLContext inline functions +// + +inline bool TQGLContext::isValid() const +{ + return d->valid; +} + +inline void TQGLContext::setValid( bool valid ) +{ + d->valid = valid; +} + +inline bool TQGLContext::isSharing() const +{ + return d->sharing; +} + +inline TQGLFormat TQGLContext::format() const +{ + return glFormat; +} + +inline TQGLFormat TQGLContext::requestedFormat() const +{ + return reqFormat; +} + +inline TQPaintDevice* TQGLContext::device() const +{ + return d->paintDevice; +} + +inline bool TQGLContext::deviceIsPixmap() const +{ + return d->paintDevice->devType() == TQInternal::Pixmap; +} + + +inline bool TQGLContext::windowCreated() const +{ + return d->crWin; +} + + +inline void TQGLContext::setWindowCreated( bool on ) +{ + d->crWin = on; +} + +inline bool TQGLContext::initialized() const +{ + return d->initDone; +} + +inline void TQGLContext::setInitialized( bool on ) +{ + d->initDone = on; +} + +inline const TQGLContext* TQGLContext::currentContext() +{ + return currentCtx; +} + +// +// TQGLWidget inline functions +// + +inline TQGLFormat TQGLWidget::format() const +{ + return glcx->format(); +} + +inline const TQGLContext *TQGLWidget::context() const +{ + return glcx; +} + +inline bool TQGLWidget::doubleBuffer() const +{ + return glcx->format().doubleBuffer(); +} + +inline void TQGLWidget::setAutoBufferSwap( bool on ) +{ + autoSwap = on; +} + +inline bool TQGLWidget::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>TQt 3.3.8</div> +</table></div></address></body> +</html> |