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587 lines
15 KiB
587 lines
15 KiB
14 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/qgl.h:1 -->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>qgl.h Include File</title>
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<style type="text/css"><!--
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fn { margin-left: 1cm; text-indent: -1cm; }
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a:link { color: #004faf; text-decoration: none }
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a:visited { color: #672967; text-decoration: none }
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body { background: #ffffff; color: black; }
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--></style>
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</head>
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<body>
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<table border="0" cellpadding="0" cellspacing="0" width="100%">
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<tr bgcolor="#E5E5E5">
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<td valign=center>
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<a href="index.html">
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<font color="#004faf">Home</font></a>
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| <a href="classes.html">
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<font color="#004faf">All Classes</font></a>
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| <a href="mainclasses.html">
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<font color="#004faf">Main Classes</font></a>
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| <a href="annotated.html">
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<font color="#004faf">Annotated</font></a>
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| <a href="groups.html">
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<font color="#004faf">Grouped Classes</font></a>
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| <a href="functions.html">
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<font color="#004faf">Functions</font></a>
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</td>
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<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>
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<p>This is the verbatim text of the qgl.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<hr>
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<pre>
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/****************************************************************************
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** $Id: qt/qgl.h 3.3.8 edited Jan 11 14:38 $
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**
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** Definition of OpenGL classes for Qt
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**
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** Created : 970112
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the opengl module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Alternatively you may (at your option) use any
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** later version of the GNU General Public License if such license has
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** been publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt 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.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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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 QGL_H
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#define QGL_H
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#ifndef QT_H
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#include "qwidget.h"
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#include "qglcolormap.h"
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#endif // QT_H
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#if !defined( QT_MODULE_OPENGL ) || defined( QT_LICENSE_PROFESSIONAL )
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#define QM_EXPORT_OPENGL
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#else
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#define QM_EXPORT_OPENGL Q_EXPORT
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#endif
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#ifndef QT_NO_COMPAT
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#define QGL_VERSION 450
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#define QGL_VERSION_STR "4.5"
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QM_EXPORT_OPENGL inline const char *qGLVersion() {
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qObsolete( 0, "qGLVersion", "qVersion" );
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return QGL_VERSION_STR;
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}
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#endif
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#if defined(Q_WS_WIN)
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# include "qt_windows.h"
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#endif
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#if defined(Q_WS_MAC)
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#if !defined( QMAC_OPENGL_DOUBLEBUFFER )
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/* This macro is different now. If the macro is not defined QGLWidget 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 QMAC_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(Q_WS_WIN) || defined(Q_WS_MAC)
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class QGLCmap;
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#endif
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class QPixmap;
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#if defined(Q_WS_X11)
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class QGLOverlayWidget;
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#endif
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// Namespace class:
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class QM_EXPORT_OPENGL QGL
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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 QM_EXPORT_OPENGL QGLFormat : public QGL
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{
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public:
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QGLFormat();
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QGLFormat( 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 QGLFormat defaultFormat();
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static void setDefaultFormat( const QGLFormat& f );
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static QGLFormat defaultOverlayFormat();
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static void setDefaultOverlayFormat( const QGLFormat& f );
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static bool hasOpenGL();
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static bool hasOpenGLOverlays();
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friend QM_EXPORT_OPENGL bool operator==( const QGLFormat&,
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const QGLFormat& );
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friend QM_EXPORT_OPENGL bool operator!=( const QGLFormat&,
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const QGLFormat& );
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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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QM_EXPORT_OPENGL bool operator==( const QGLFormat&, const QGLFormat& );
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QM_EXPORT_OPENGL bool operator!=( const QGLFormat&, const QGLFormat& );
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class QM_EXPORT_OPENGL QGLContext : public QGL
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{
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public:
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QGLContext( const QGLFormat& format, QPaintDevice* device );
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QGLContext( const QGLFormat& format );
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virtual ~QGLContext();
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virtual bool create( const QGLContext* 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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QGLFormat format() const;
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QGLFormat requestedFormat() const;
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virtual void setFormat( const QGLFormat& format );
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virtual void makeCurrent();
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virtual void swapBuffers() const;
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QPaintDevice* device() const;
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QColor overlayTransparentColor() const;
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static const QGLContext* currentContext();
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protected:
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virtual bool chooseContext( const QGLContext* shareContext = 0 );
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virtual void doneCurrent(); // ### 4.0: make this public - needed for multithreading stuff
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#if defined(Q_WS_WIN)
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virtual int choosePixelFormat( void* pfd, HDC pdc );
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#endif
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#if defined(Q_WS_X11)
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virtual void* tryVisual( const QGLFormat& f, int bufDepth = 1 );
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virtual void* chooseVisual();
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#endif
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#if defined(Q_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 QFont & fnt, int listBase );
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uint colorIndex( const QColor& c ) const;
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void setValid( bool valid );
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void setDevice( QPaintDevice *pDev );
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protected:
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#if defined(Q_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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QGLCmap* cmap;
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#elif defined(Q_WS_X11) || defined(Q_WS_MAC)
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void* vi;
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void* cx;
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#if defined(Q_WS_X11)
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Q_UINT32 gpm;
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#endif
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#endif
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QGLFormat glFormat;
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QGLFormat reqFormat;
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static QGLContext* currentCtx;
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private:
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void init( QPaintDevice *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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QPaintDevice* paintDevice;
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QColor transpColor;
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#ifdef Q_WS_MAC
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QRect oldR;
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#endif
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};
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Private* d;
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friend class QGLWidget;
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#ifdef Q_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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QGLContext() {}
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QGLContext( const QGLContext& ) {}
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QGLContext& operator=( const QGLContext& ) { return *this; }
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};
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class QM_EXPORT_OPENGL QGLWidget : public QWidget, public QGL
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{
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Q_OBJECT
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public:
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QGLWidget( QWidget* parent=0, const char* name=0,
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const QGLWidget* shareWidget = 0, WFlags f=0 );
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QGLWidget( QGLContext *context, QWidget* parent, const char* name=0,
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const QGLWidget* shareWidget = 0, WFlags f=0 );
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QGLWidget( const QGLFormat& format, QWidget* parent=0, const char* name=0,
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const QGLWidget* shareWidget = 0, WFlags f=0 );
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~QGLWidget();
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void qglColor( const QColor& c ) const;
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void qglClearColor( const QColor& 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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QGLFormat format() const;
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#ifndef Q_QDOC
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virtual void setFormat( const QGLFormat& format );
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#endif
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const QGLContext* context() const;
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#ifndef Q_QDOC
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virtual void setContext( QGLContext* context,
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const QGLContext* shareContext = 0,
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bool deleteOldContext = TRUE );
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#endif
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virtual QPixmap renderPixmap( int w = 0, int h = 0,
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bool useContext = FALSE );
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virtual QImage grabFrameBuffer( bool withAlpha = FALSE );
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virtual void makeOverlayCurrent();
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const QGLContext* overlayContext() const;
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static QImage convertToGLFormat( const QImage& img );
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void setMouseTracking( bool enable );
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virtual void reparent( QWidget* parent, WFlags f, const QPoint& p,
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bool showIt = FALSE );
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const QGLColormap & colormap() const;
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void setColormap( const QGLColormap & map );
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void renderText( int x, int y, const QString & str,
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const QFont & fnt = QFont(), int listBase = 2000 );
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void renderText( double x, double y, double z, const QString & str,
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const QFont & fnt = QFont(), 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 );
|
||
|
|
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>
|