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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOPENGLWINDOW_H
#define QOPENGLWINDOW_H
#include <QtCore/qglobal.h>
#ifndef QT_NO_OPENGL
#include <QtGui/QPaintDeviceWindow>
#include <QtGui/QOpenGLContext>
#include <QtGui/QImage>
QT_BEGIN_NAMESPACE
class QOpenGLWindowPrivate;
class Q_GUI_EXPORT QOpenGLWindow : public QPaintDeviceWindow
{
Q_OBJECT
Q_DECLARE_PRIVATE(QOpenGLWindow)
public:
enum UpdateBehavior {
NoPartialUpdate,
PartialUpdateBlit,
PartialUpdateBlend
};
explicit QOpenGLWindow(UpdateBehavior updateBehavior = NoPartialUpdate, QWindow *parent = 0);
explicit QOpenGLWindow(QOpenGLContext *shareContext, UpdateBehavior updateBehavior = NoPartialUpdate, QWindow *parent = 0);
~QOpenGLWindow();
UpdateBehavior updateBehavior() const;
bool isValid() const;
void makeCurrent();
void doneCurrent();
QOpenGLContext *context() const;
QOpenGLContext *shareContext() const;
GLuint defaultFramebufferObject() const;
QImage grabFramebuffer();
Q_SIGNALS:
void frameSwapped();
protected:
virtual void initializeGL();
virtual void resizeGL(int w, int h);
virtual void paintGL();
virtual void paintUnderGL();
virtual void paintOverGL();
void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
int metric(PaintDeviceMetric metric) const Q_DECL_OVERRIDE;
QPaintDevice *redirected(QPoint *) const Q_DECL_OVERRIDE;
private:
Q_DISABLE_COPY(QOpenGLWindow)
};
QT_END_NAMESPACE
#endif // QT_NO_OPENGL
#endif
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