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542 lines
13 KiB
542 lines
13 KiB
/****************************************************************************
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**
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** Definition of OpenGL classes for TQt
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**
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** Created : 970112
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the opengl module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQGL_H
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#define TQGL_H
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#ifndef QT_H
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#include "ntqwidget.h"
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#include "ntqglcolormap.h"
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#endif // QT_H
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#if !defined( TQT_MODULE_OPENGL ) || defined( QT_LICENSE_PROFESSIONAL )
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#define TQM_EXPORT_OPENGL
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#else
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#define TQM_EXPORT_OPENGL TQ_EXPORT
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#endif
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#ifndef TQT_NO_COMPAT
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#define TQGL_VERSION 450
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#define TQGL_VERSION_STR "4.5"
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TQM_EXPORT_OPENGL inline const char *qGLVersion() {
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tqObsolete( 0, "qGLVersion", "qVersion" );
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return TQGL_VERSION_STR;
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}
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#endif
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#if defined(TQ_WS_WIN)
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# include "qt_windows.h"
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#endif
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#if defined(TQ_WS_MAC)
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#if !defined( TQMAC_OPENGL_DOUBLEBUFFER )
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/* This macro is different now. If the macro is not defined TQGLWidget will
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* try to determine when you need double buffering. If set to 0 it will
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* never double buffer and *can* be acclerated. If set to 1 (the default)
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* it will always double buffer. Unlike before the value of this macro does
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* not upset binary compatability either. */
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#if QT_MACOSX_VERSION >= 0x1020
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# define TQMAC_OPENGL_DOUBLEBUFFER 0
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#endif
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#endif
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# include <OpenGL/gl.h>
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# include <OpenGL/glu.h>
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#else
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# include <GL/gl.h>
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# include <GL/glu.h>
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#endif
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#if defined(TQ_WS_WIN) || defined(TQ_WS_MAC)
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class TQGLCmap;
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#endif
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class TQPixmap;
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#if defined(TQ_WS_X11)
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class TQGLOverlayWidget;
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#endif
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// Namespace class:
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class TQM_EXPORT_OPENGL TQGL
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{
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public:
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enum FormatOption {
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DoubleBuffer = 0x0001,
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DepthBuffer = 0x0002,
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Rgba = 0x0004,
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AlphaChannel = 0x0008,
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AccumBuffer = 0x0010,
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StencilBuffer = 0x0020,
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StereoBuffers = 0x0040,
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DirectRendering = 0x0080,
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HasOverlay = 0x0100,
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SingleBuffer = DoubleBuffer << 16,
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NoDepthBuffer = DepthBuffer << 16,
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ColorIndex = Rgba << 16,
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NoAlphaChannel = AlphaChannel << 16,
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NoAccumBuffer = AccumBuffer << 16,
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NoStencilBuffer = StencilBuffer << 16,
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NoStereoBuffers = StereoBuffers << 16,
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IndirectRendering = DirectRendering << 16,
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NoOverlay = HasOverlay << 16
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};
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};
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class TQM_EXPORT_OPENGL TQGLFormat : public TQGL
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{
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public:
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TQGLFormat();
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TQGLFormat( int options, int plane = 0 );
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bool doubleBuffer() const;
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void setDoubleBuffer( bool enable );
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bool depth() const;
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void setDepth( bool enable );
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bool rgba() const;
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void setRgba( bool enable );
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bool alpha() const;
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void setAlpha( bool enable );
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bool accum() const;
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void setAccum( bool enable );
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bool stencil() const;
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void setStencil( bool enable );
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bool stereo() const;
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void setStereo( bool enable );
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bool directRendering() const;
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void setDirectRendering( bool enable );
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bool hasOverlay() const;
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void setOverlay( bool enable );
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int plane() const;
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void setPlane( int plane );
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void setOption( FormatOption opt );
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bool testOption( FormatOption opt ) const;
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static TQGLFormat defaultFormat();
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static void setDefaultFormat( const TQGLFormat& f );
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static TQGLFormat defaultOverlayFormat();
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static void setDefaultOverlayFormat( const TQGLFormat& f );
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static bool hasOpenGL();
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static bool hasOpenGLOverlays();
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friend TQM_EXPORT_OPENGL bool operator==( const TQGLFormat&,
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const TQGLFormat& );
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friend TQM_EXPORT_OPENGL bool operator!=( const TQGLFormat&,
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const TQGLFormat& );
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private:
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uint opts;
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int pln;
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};
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TQM_EXPORT_OPENGL bool operator==( const TQGLFormat&, const TQGLFormat& );
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TQM_EXPORT_OPENGL bool operator!=( const TQGLFormat&, const TQGLFormat& );
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class TQM_EXPORT_OPENGL TQGLContext : public TQGL
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{
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public:
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TQGLContext( const TQGLFormat& format, TQPaintDevice* device );
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TQGLContext( const TQGLFormat& format );
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virtual ~TQGLContext();
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virtual bool create( const TQGLContext* shareContext = 0 );
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bool isValid() const;
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bool isSharing() const;
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virtual void reset();
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TQGLFormat format() const;
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TQGLFormat requestedFormat() const;
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virtual void setFormat( const TQGLFormat& format );
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virtual void makeCurrent();
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virtual void swapBuffers() const;
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TQPaintDevice* device() const;
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TQColor overlayTransparentColor() const;
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static const TQGLContext* currentContext();
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protected:
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virtual bool chooseContext( const TQGLContext* shareContext = 0 );
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virtual void doneCurrent(); // ### 4.0: make this public - needed for multithreading stuff
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#if defined(TQ_WS_WIN)
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virtual int choosePixelFormat( void* pfd, HDC pdc );
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#endif
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#if defined(TQ_WS_X11)
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virtual void* tryVisual( const TQGLFormat& f, int bufDepth = 1 );
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virtual void* chooseVisual();
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#endif
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#if defined(TQ_WS_MAC)
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virtual void* chooseMacVisual(GDHandle);
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#endif
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bool deviceIsPixmap() const;
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bool windowCreated() const;
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void setWindowCreated( bool on );
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bool initialized() const;
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void setInitialized( bool on );
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void generateFontDisplayLists( const TQFont & fnt, int listBase );
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uint colorIndex( const TQColor& c ) const;
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void setValid( bool valid );
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void setDevice( TQPaintDevice *pDev );
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protected:
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#if defined(TQ_WS_WIN)
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HGLRC rc;
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HDC dc;
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WId win;
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int pixelFormatId;
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TQGLCmap* cmap;
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#elif defined(TQ_WS_X11) || defined(TQ_WS_MAC)
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void* vi;
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void* cx;
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#if defined(TQ_WS_X11)
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TQ_UINT32 gpm;
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#endif
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#endif
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TQGLFormat glFormat;
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TQGLFormat reqFormat;
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static TQGLContext* currentCtx;
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private:
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void init( TQPaintDevice *dev = 0 );
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class Private {
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public:
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bool valid;
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bool sharing;
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bool initDone;
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bool crWin;
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TQPaintDevice* paintDevice;
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TQColor transpColor;
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#ifdef TQ_WS_MAC
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TQRect oldR;
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#endif
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};
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Private* d;
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friend class TQGLWidget;
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#ifdef TQ_WS_MAC
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void fixBufferRect();
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#endif
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private: // Disabled copy constructor and operator=
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TQGLContext() {}
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TQGLContext( const TQGLContext& ) {}
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TQGLContext& operator=( const TQGLContext& ) { return *this; }
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};
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class TQM_EXPORT_OPENGL TQGLWidget : public TQWidget, public TQGL
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{
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TQ_OBJECT
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public:
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TQGLWidget( TQWidget* parent=0, const char* name=0,
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const TQGLWidget* shareWidget = 0, WFlags f=0 );
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TQGLWidget( TQGLContext *context, TQWidget* parent, const char* name=0,
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const TQGLWidget* shareWidget = 0, WFlags f=0 );
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TQGLWidget( const TQGLFormat& format, TQWidget* parent=0, const char* name=0,
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const TQGLWidget* shareWidget = 0, WFlags f=0 );
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~TQGLWidget();
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void qglColor( const TQColor& c ) const;
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void qglClearColor( const TQColor& c ) const;
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bool isValid() const;
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bool isSharing() const;
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virtual void makeCurrent();
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void doneCurrent();
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bool doubleBuffer() const;
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virtual void swapBuffers();
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TQGLFormat format() const;
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#ifndef Q_QDOC
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virtual void setFormat( const TQGLFormat& format );
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#endif
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const TQGLContext* context() const;
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#ifndef Q_QDOC
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virtual void setContext( TQGLContext* context,
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const TQGLContext* shareContext = 0,
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bool deleteOldContext = TRUE );
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#endif
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virtual TQPixmap renderPixmap( int w = 0, int h = 0,
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bool useContext = FALSE );
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virtual TQImage grabFrameBuffer( bool withAlpha = FALSE );
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virtual void makeOverlayCurrent();
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const TQGLContext* overlayContext() const;
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static TQImage convertToGLFormat( const TQImage& img );
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void setMouseTracking( bool enable );
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virtual void reparent( TQWidget* parent, WFlags f, const TQPoint& p,
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bool showIt = FALSE );
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const TQGLColormap & colormap() const;
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void setColormap( const TQGLColormap & map );
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void renderText( int x, int y, const TQString & str,
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const TQFont & fnt = TQFont(), int listBase = 2000 );
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void renderText( double x, double y, double z, const TQString & str,
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const TQFont & fnt = TQFont(), int listBase = 2000 );
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public slots:
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virtual void updateGL();
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virtual void updateOverlayGL();
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protected:
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virtual void initializeGL();
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virtual void resizeGL( int w, int h );
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virtual void paintGL();
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virtual void initializeOverlayGL();
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virtual void resizeOverlayGL( int w, int h );
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virtual void paintOverlayGL();
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void setAutoBufferSwap( bool on );
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bool autoBufferSwap() const;
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void paintEvent( TQPaintEvent* );
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void resizeEvent( TQResizeEvent* );
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virtual void glInit();
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virtual void glDraw();
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private:
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int displayListBase( const TQFont & fnt, int listBase );
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void cleanupColormaps();
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void init( TQGLContext *context, const TQGLWidget* shareWidget );
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bool renderCxPm( TQPixmap* pm );
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TQGLContext* glcx;
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bool autoSwap;
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TQGLColormap cmap;
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#if defined(TQ_WS_WIN) || defined(TQ_WS_MAC)
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TQGLContext* olcx;
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#elif defined(TQ_WS_X11)
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TQGLOverlayWidget* olw;
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friend class TQGLOverlayWidget;
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#endif
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private: // Disabled copy constructor and operator=
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#if defined(TQ_DISABLE_COPY)
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TQGLWidget( const TQGLWidget& );
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TQGLWidget& operator=( const TQGLWidget& );
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#endif
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#if defined(TQ_WS_MAC)
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private:
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const TQGLContext *slcx;
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uint pending_fix : 1,
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glcx_dblbuf : 2,
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dblbuf : 1,
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clp_serial : 15;
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TQPixmap *gl_pix;
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TQGLFormat req_format;
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void macInternalRecreateContext( TQGLContext *ctx,
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const TQGLContext* = NULL,
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bool update = TRUE );
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bool macInternalDoubleBuffer( bool fix = TRUE );
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virtual void setRegionDirty( bool );
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virtual void macWidgetChangedWindow();
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#endif
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private slots:
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void macInternalFixBufferRect();
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};
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//
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// TQGLFormat inline functions
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//
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inline bool TQGLFormat::doubleBuffer() const
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{
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return testOption( DoubleBuffer );
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}
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inline bool TQGLFormat::depth() const
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{
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return testOption( DepthBuffer );
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}
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inline bool TQGLFormat::rgba() const
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{
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return testOption( Rgba );
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}
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inline bool TQGLFormat::alpha() const
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{
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return testOption( AlphaChannel );
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}
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inline bool TQGLFormat::accum() const
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{
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return testOption( AccumBuffer );
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}
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inline bool TQGLFormat::stencil() const
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{
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return testOption( StencilBuffer );
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}
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inline bool TQGLFormat::stereo() const
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{
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return testOption( StereoBuffers );
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}
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inline bool TQGLFormat::directRendering() const
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{
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return testOption( DirectRendering );
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}
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inline bool TQGLFormat::hasOverlay() const
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{
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return testOption( HasOverlay );
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}
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//
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// TQGLContext inline functions
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//
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inline bool TQGLContext::isValid() const
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{
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return d->valid;
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}
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inline void TQGLContext::setValid( bool valid )
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{
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d->valid = valid;
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}
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inline bool TQGLContext::isSharing() const
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{
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return d->sharing;
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}
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inline TQGLFormat TQGLContext::format() const
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{
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return glFormat;
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}
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inline TQGLFormat TQGLContext::requestedFormat() const
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{
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return reqFormat;
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}
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inline TQPaintDevice* TQGLContext::device() const
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{
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return d->paintDevice;
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}
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inline bool TQGLContext::deviceIsPixmap() const
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{
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return d->paintDevice->devType() == TQInternal::Pixmap;
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}
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inline bool TQGLContext::windowCreated() const
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{
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return d->crWin;
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}
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inline void TQGLContext::setWindowCreated( bool on )
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{
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d->crWin = on;
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}
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inline bool TQGLContext::initialized() const
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{
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return d->initDone;
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}
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inline void TQGLContext::setInitialized( bool on )
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{
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d->initDone = on;
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}
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inline const TQGLContext* TQGLContext::currentContext()
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{
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return currentCtx;
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}
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//
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// TQGLWidget inline functions
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//
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inline TQGLFormat TQGLWidget::format() const
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{
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return glcx->format();
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}
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inline const TQGLContext *TQGLWidget::context() const
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{
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return glcx;
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}
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inline bool TQGLWidget::doubleBuffer() const
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{
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return glcx->format().doubleBuffer();
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}
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inline void TQGLWidget::setAutoBufferSwap( bool on )
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{
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autoSwap = on;
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}
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inline bool TQGLWidget::autoBufferSwap() const
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{
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return autoSwap;
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}
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#endif
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