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618 lines
19 KiB
618 lines
19 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtOpenGL module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 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. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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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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#include <QtGui/qwidget.h>
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#include <QtGui/qpaintengine.h>
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#include <QtOpenGL/qglcolormap.h>
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#include <QtCore/qmap.h>
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#include <QtCore/qscopedpointer.h>
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QT_BEGIN_HEADER
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#if defined(Q_WS_WIN)
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# include <QtCore/qt_windows.h>
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#endif
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#if defined(Q_WS_MAC)
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# include <OpenGL/gl.h>
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# include <OpenGL/glu.h>
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#elif defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
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# include <GLES/gl.h>
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#ifndef GL_DOUBLE
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# define GL_DOUBLE GL_FLOAT
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#endif
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#ifndef GLdouble
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typedef GLfloat GLdouble;
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#endif
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#elif defined(QT_OPENGL_ES_2)
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# include <GLES2/gl2.h>
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#ifndef GL_DOUBLE
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# define GL_DOUBLE GL_FLOAT
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#endif
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#ifndef GLdouble
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typedef GLfloat GLdouble;
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#endif
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#else
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# include <GL/gl.h>
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# ifndef QT_LINUXBASE
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# include <GL/glu.h>
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# endif
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#endif
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QT_BEGIN_NAMESPACE
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QT_MODULE(OpenGL)
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#if defined(Q_WS_MAC) && defined (QT_BUILD_OPENGL_LIB) && !defined(QT_MAC_USE_COCOA) && !defined(QDOC)
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#define Q_MAC_COMPAT_GL_FUNCTIONS
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template <typename T>
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struct QMacGLCompatTypes
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{
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typedef long CompatGLint;
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typedef unsigned long CompatGLuint;
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typedef unsigned long CompatGLenum;
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};
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template <>
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struct QMacGLCompatTypes<long>
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{
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typedef int CompatGLint;
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typedef unsigned int CompatGLuint;
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typedef unsigned int CompatGLenum;
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};
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typedef QMacGLCompatTypes<GLint>::CompatGLint QMacCompatGLint;
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typedef QMacGLCompatTypes<GLint>::CompatGLuint QMacCompatGLuint;
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typedef QMacGLCompatTypes<GLint>::CompatGLenum QMacCompatGLenum;
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#endif
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#ifdef QT3_SUPPORT
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#define QGL_VERSION 460
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#define QGL_VERSION_STR "4.6"
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inline QT3_SUPPORT const char *qGLVersion() {
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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) || 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) && !defined(QT_OPENGL_ES)
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class QGLOverlayWidget;
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#endif
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class QGLWidgetPrivate;
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class QGLContextPrivate;
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// Namespace class:
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namespace QGL
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{
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Q_OPENGL_EXPORT void setPreferredPaintEngine(QPaintEngine::Type engineType);
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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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SampleBuffers = 0x0200,
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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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NoSampleBuffers = SampleBuffers << 16
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};
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Q_DECLARE_FLAGS(FormatOptions, FormatOption)
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}
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Q_DECLARE_OPERATORS_FOR_FLAGS(QGL::FormatOptions)
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class QGLFormatPrivate;
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class Q_OPENGL_EXPORT QGLFormat
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{
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public:
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QGLFormat();
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QGLFormat(QGL::FormatOptions options, int plane = 0);
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QGLFormat(const QGLFormat &other);
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QGLFormat &operator=(const QGLFormat &other);
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~QGLFormat();
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void setDepthBufferSize(int size);
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int depthBufferSize() const;
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void setAccumBufferSize(int size);
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int accumBufferSize() const;
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void setRedBufferSize(int size);
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int redBufferSize() const;
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void setGreenBufferSize(int size);
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int greenBufferSize() const;
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void setBlueBufferSize(int size);
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int blueBufferSize() const;
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void setAlphaBufferSize(int size);
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int alphaBufferSize() const;
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void setStencilBufferSize(int size);
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int stencilBufferSize() const;
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void setSampleBuffers(bool enable);
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bool sampleBuffers() const;
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void setSamples(int numSamples);
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int samples() const;
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void setSwapInterval(int interval);
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int swapInterval() const;
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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(QGL::FormatOptions opt);
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bool testOption(QGL::FormatOptions 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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enum OpenGLVersionFlag {
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OpenGL_Version_None = 0x00000000,
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OpenGL_Version_1_1 = 0x00000001,
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OpenGL_Version_1_2 = 0x00000002,
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OpenGL_Version_1_3 = 0x00000004,
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OpenGL_Version_1_4 = 0x00000008,
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OpenGL_Version_1_5 = 0x00000010,
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OpenGL_Version_2_0 = 0x00000020,
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OpenGL_Version_2_1 = 0x00000040,
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OpenGL_ES_Common_Version_1_0 = 0x00000080,
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OpenGL_ES_CommonLite_Version_1_0 = 0x00000100,
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OpenGL_ES_Common_Version_1_1 = 0x00000200,
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OpenGL_ES_CommonLite_Version_1_1 = 0x00000400,
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OpenGL_ES_Version_2_0 = 0x00000800,
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OpenGL_Version_3_0 = 0x00001000
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};
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Q_DECLARE_FLAGS(OpenGLVersionFlags, OpenGLVersionFlag)
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static OpenGLVersionFlags openGLVersionFlags();
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private:
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QGLFormatPrivate *d;
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void detach();
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friend Q_OPENGL_EXPORT bool operator==(const QGLFormat&, const QGLFormat&);
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friend Q_OPENGL_EXPORT bool operator!=(const QGLFormat&, const QGLFormat&);
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(QGLFormat::OpenGLVersionFlags)
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Q_OPENGL_EXPORT bool operator==(const QGLFormat&, const QGLFormat&);
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Q_OPENGL_EXPORT bool operator!=(const QGLFormat&, const QGLFormat&);
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class Q_OPENGL_EXPORT QGLContext
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{
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Q_DECLARE_PRIVATE(QGLContext)
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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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void reset();
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static bool areSharing(const QGLContext *context1, const QGLContext *context2);
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QGLFormat format() const;
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QGLFormat requestedFormat() const;
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void setFormat(const QGLFormat& format);
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// ### Qt 5: return bools + maybe remove virtuals
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virtual void makeCurrent();
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virtual void doneCurrent();
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virtual void swapBuffers() const;
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enum BindOption {
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NoBindOption = 0x0000,
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InvertedYBindOption = 0x0001,
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MipmapBindOption = 0x0002,
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PremultipliedAlphaBindOption = 0x0004,
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LinearFilteringBindOption = 0x0008,
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MemoryManagedBindOption = 0x0010, // internal flag
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CanFlipNativePixmapBindOption = 0x0020, // internal flag
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DefaultBindOption = LinearFilteringBindOption
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| InvertedYBindOption
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| MipmapBindOption,
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InternalBindOption = MemoryManagedBindOption
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| PremultipliedAlphaBindOption
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};
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Q_DECLARE_FLAGS(BindOptions, BindOption)
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GLuint bindTexture(const QImage &image, GLenum target, GLint format,
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BindOptions options);
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GLuint bindTexture(const QPixmap &pixmap, GLenum target, GLint format,
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BindOptions options);
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GLuint bindTexture(const QImage &image, GLenum target = GL_TEXTURE_2D,
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GLint format = GL_RGBA);
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GLuint bindTexture(const QPixmap &pixmap, GLenum target = GL_TEXTURE_2D,
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GLint format = GL_RGBA);
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GLuint bindTexture(const QString &fileName);
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void deleteTexture(GLuint tx_id);
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void drawTexture(const QRectF &target, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D);
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void drawTexture(const QPointF &point, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D);
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#ifdef Q_MAC_COMPAT_GL_FUNCTIONS
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GLuint bindTexture(const QImage &image, QMacCompatGLenum = GL_TEXTURE_2D,
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QMacCompatGLint format = GL_RGBA);
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GLuint bindTexture(const QPixmap &pixmap, QMacCompatGLenum = GL_TEXTURE_2D,
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QMacCompatGLint format = GL_RGBA);
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GLuint bindTexture(const QImage &image, QMacCompatGLenum, QMacCompatGLint format,
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BindOptions);
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GLuint bindTexture(const QPixmap &pixmap, QMacCompatGLenum, QMacCompatGLint format,
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BindOptions);
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void deleteTexture(QMacCompatGLuint tx_id);
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void drawTexture(const QRectF &target, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D);
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void drawTexture(const QPointF &point, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D);
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#endif
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|
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static void setTextureCacheLimit(int size);
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static int textureCacheLimit();
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|
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void *getProcAddress(const QString &proc) const;
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QPaintDevice* device() const;
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QColor overlayTransparentColor() const;
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|
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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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#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) && !defined(QT_OPENGL_ES)
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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); // ### Qt 5: remove
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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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static QGLContext* currentCtx;
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private:
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QScopedPointer<QGLContextPrivate> d_ptr;
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friend class QGLPixelBuffer;
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friend class QGLPixelBufferPrivate;
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friend class QGLWidget;
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friend class QGLWidgetPrivate;
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friend class QGLGlyphCache;
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friend class QOpenGLPaintEngine;
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friend class QOpenGLPaintEnginePrivate;
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friend class QGL2PaintEngineEx;
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friend class QGL2PaintEngineExPrivate;
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friend class QGLEngineShaderManager;
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friend class QGLWindowSurface;
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friend class QGLPixmapData;
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friend class QGLPixmapFilterBase;
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friend class QGLTextureGlyphCache;
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friend class QGLContextGroup;
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friend class QGLSharedResourceGuard;
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friend class QGLPixmapBlurFilter;
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friend class QGLExtensions;
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friend QGLFormat::OpenGLVersionFlags QGLFormat::openGLVersionFlags();
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#ifdef Q_WS_MAC
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public:
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void updatePaintDevice();
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private:
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friend class QMacGLWindowChangeEvent;
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friend QGLContextPrivate *qt_phonon_get_dptr(const QGLContext *);
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#endif
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friend class QGLFramebufferObject;
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friend class QGLFramebufferObjectPrivate;
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friend class QGLFBOGLPaintDevice;
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friend class QGLPaintDevice;
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friend class QX11GLPixmapData;
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private:
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Q_DISABLE_COPY(QGLContext)
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(QGLContext::BindOptions)
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class Q_OPENGL_EXPORT QGLWidget : public QWidget
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(QGLWidget)
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public:
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explicit QGLWidget(QWidget* parent=0,
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const QGLWidget* shareWidget = 0, Qt::WindowFlags f=0);
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explicit QGLWidget(QGLContext *context, QWidget* parent=0,
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const QGLWidget* shareWidget = 0, Qt::WindowFlags f=0);
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explicit QGLWidget(const QGLFormat& format, QWidget* parent=0,
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const QGLWidget* shareWidget = 0, Qt::WindowFlags f=0);
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#ifdef QT3_SUPPORT
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QT3_SUPPORT_CONSTRUCTOR QGLWidget(QWidget* parent, const char* name,
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const QGLWidget* shareWidget = 0, Qt::WindowFlags f=0);
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QT3_SUPPORT_CONSTRUCTOR QGLWidget(QGLContext *context, QWidget* parent, const char* name,
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const QGLWidget* shareWidget = 0, Qt::WindowFlags f=0);
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QT3_SUPPORT_CONSTRUCTOR QGLWidget(const QGLFormat& format, QWidget* parent, const char* name,
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const QGLWidget* shareWidget = 0, Qt::WindowFlags f=0);
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#endif
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~QGLWidget();
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|
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void qglColor(const QColor& c) const;
|
|
void qglClearColor(const QColor& c) const;
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|
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bool isValid() const;
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bool isSharing() const;
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|
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// ### Qt 5: return bools
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void makeCurrent();
|
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void doneCurrent();
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|
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bool doubleBuffer() const;
|
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void swapBuffers();
|
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|
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QGLFormat format() const;
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void setFormat(const QGLFormat& format);
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|
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const QGLContext* context() const;
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void setContext(QGLContext* context, const QGLContext* shareContext = 0,
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bool deleteOldContext = true);
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|
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QPixmap renderPixmap(int w = 0, int h = 0, bool useContext = false);
|
|
QImage grabFrameBuffer(bool withAlpha = false);
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|
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void makeOverlayCurrent();
|
|
const QGLContext* overlayContext() const;
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|
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static QImage convertToGLFormat(const QImage& img);
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|
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void setMouseTracking(bool enable);
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|
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const QGLColormap & colormap() const;
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|
void setColormap(const QGLColormap & map);
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|
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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);
|
|
QPaintEngine *paintEngine() const;
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|
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GLuint bindTexture(const QImage &image, GLenum target, GLint format,
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QGLContext::BindOptions options);
|
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GLuint bindTexture(const QPixmap &pixmap, GLenum target, GLint format,
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QGLContext::BindOptions options);
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|
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GLuint bindTexture(const QImage &image, GLenum target = GL_TEXTURE_2D,
|
|
GLint format = GL_RGBA);
|
|
GLuint bindTexture(const QPixmap &pixmap, GLenum target = GL_TEXTURE_2D,
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GLint format = GL_RGBA);
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|
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GLuint bindTexture(const QString &fileName);
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|
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void deleteTexture(GLuint tx_id);
|
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|
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void drawTexture(const QRectF &target, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D);
|
|
void drawTexture(const QPointF &point, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D);
|
|
|
|
#ifdef Q_MAC_COMPAT_GL_FUNCTIONS
|
|
GLuint bindTexture(const QImage &image, QMacCompatGLenum = GL_TEXTURE_2D,
|
|
QMacCompatGLint format = GL_RGBA);
|
|
GLuint bindTexture(const QPixmap &pixmap, QMacCompatGLenum = GL_TEXTURE_2D,
|
|
QMacCompatGLint format = GL_RGBA);
|
|
GLuint bindTexture(const QImage &image, QMacCompatGLenum, QMacCompatGLint format,
|
|
QGLContext::BindOptions);
|
|
GLuint bindTexture(const QPixmap &pixmap, QMacCompatGLenum, QMacCompatGLint format,
|
|
QGLContext::BindOptions);
|
|
|
|
void deleteTexture(QMacCompatGLuint tx_id);
|
|
|
|
void drawTexture(const QRectF &target, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D);
|
|
void drawTexture(const QPointF &point, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D);
|
|
#endif
|
|
|
|
public Q_SLOTS:
|
|
virtual void updateGL();
|
|
virtual void updateOverlayGL();
|
|
|
|
protected:
|
|
bool event(QEvent *);
|
|
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();
|
|
int fontDisplayListBase(const QFont & fnt, int listBase = 2000); // ### Qt 5: remove
|
|
|
|
private:
|
|
Q_DISABLE_COPY(QGLWidget)
|
|
|
|
#ifdef Q_WS_MAC
|
|
friend class QMacGLWindowChangeEvent;
|
|
#endif
|
|
friend class QGLDrawable;
|
|
friend class QGLPixelBuffer;
|
|
friend class QGLPixelBufferPrivate;
|
|
friend class QGLContext;
|
|
friend class QGLContextPrivate;
|
|
friend class QGLOverlayWidget;
|
|
friend class QOpenGLPaintEngine;
|
|
friend class QGLPaintDevice;
|
|
friend class QGLWidgetGLPaintDevice;
|
|
};
|
|
|
|
|
|
//
|
|
// QGLFormat inline functions
|
|
//
|
|
|
|
inline bool QGLFormat::doubleBuffer() const
|
|
{
|
|
return testOption(QGL::DoubleBuffer);
|
|
}
|
|
|
|
inline bool QGLFormat::depth() const
|
|
{
|
|
return testOption(QGL::DepthBuffer);
|
|
}
|
|
|
|
inline bool QGLFormat::rgba() const
|
|
{
|
|
return testOption(QGL::Rgba);
|
|
}
|
|
|
|
inline bool QGLFormat::alpha() const
|
|
{
|
|
return testOption(QGL::AlphaChannel);
|
|
}
|
|
|
|
inline bool QGLFormat::accum() const
|
|
{
|
|
return testOption(QGL::AccumBuffer);
|
|
}
|
|
|
|
inline bool QGLFormat::stencil() const
|
|
{
|
|
return testOption(QGL::StencilBuffer);
|
|
}
|
|
|
|
inline bool QGLFormat::stereo() const
|
|
{
|
|
return testOption(QGL::StereoBuffers);
|
|
}
|
|
|
|
inline bool QGLFormat::directRendering() const
|
|
{
|
|
return testOption(QGL::DirectRendering);
|
|
}
|
|
|
|
inline bool QGLFormat::hasOverlay() const
|
|
{
|
|
return testOption(QGL::HasOverlay);
|
|
}
|
|
|
|
inline bool QGLFormat::sampleBuffers() const
|
|
{
|
|
return testOption(QGL::SampleBuffers);
|
|
}
|
|
|
|
QT_END_NAMESPACE
|
|
|
|
QT_END_HEADER
|
|
|
|
#endif // QGL_H
|