47c92fbb0b
Remaining uses of Q_DECL_OVERRIDE are in: src/corelib/global/qcompilerdetection.h src/corelib/global/qglobal.cpp doc/global/qt-cpp-defines.qdocconf (definition and documentation of Q_DECL_OVERRIDE) tests/manual/qcursor/qcursorhighdpi/main.cpp (a test executable compilable both under Qt4 and Qt5) Change-Id: Ib9b05d829add69e98a86238274b6a1fcb19b49ba Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io> Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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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 License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the 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 The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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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 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 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 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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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 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QGLPAINTDEVICE_P_H
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#define QGLPAINTDEVICE_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of the Qt OpenGL module. This header file may change from
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// version to version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <qpaintdevice.h>
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#include <QtOpenGL/qgl.h>
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QT_BEGIN_NAMESPACE
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class Q_OPENGL_EXPORT QGLPaintDevice : public QPaintDevice
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{
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public:
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QGLPaintDevice();
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virtual ~QGLPaintDevice();
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int devType() const override {return QInternal::OpenGL;}
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virtual void beginPaint();
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virtual void ensureActiveTarget();
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virtual void endPaint();
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virtual QGLContext* context() const = 0;
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virtual QGLFormat format() const;
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virtual QSize size() const = 0;
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virtual bool alphaRequested() const;
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virtual bool isFlipped() const;
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// returns the QGLPaintDevice for the given QPaintDevice
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static QGLPaintDevice* getDevice(QPaintDevice*);
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protected:
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int metric(QPaintDevice::PaintDeviceMetric metric) const override;
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GLuint m_previousFBO;
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GLuint m_thisFBO;
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};
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// Wraps a QGLWidget
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class QGLWidget;
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class Q_OPENGL_EXPORT QGLWidgetGLPaintDevice : public QGLPaintDevice
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{
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public:
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QGLWidgetGLPaintDevice();
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virtual QPaintEngine* paintEngine() const override;
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// QGLWidgets need to do swapBufers in endPaint:
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virtual void beginPaint() override;
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virtual void endPaint() override;
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virtual QSize size() const override;
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virtual QGLContext* context() const override;
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void setWidget(QGLWidget*);
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private:
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friend class QGLWidget;
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QGLWidget *glWidget;
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};
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QT_END_NAMESPACE
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#endif // QGLPAINTDEVICE_P_H
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