/****************************************************************************
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** use the contact form at http://qt.digia.com/contact-us.
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** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
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****************************************************************************/

#ifndef QOPENGLPAINTDEVICE_H
#define QOPENGLPAINTDEVICE_H

#ifndef QT_NO_OPENGL

#include <QtGui/qpaintdevice.h>
#include <QtGui/qopengl.h>
#include <QtGui/qopenglcontext.h>

QT_BEGIN_NAMESPACE


class QOpenGLPaintDevicePrivate;

class Q_GUI_EXPORT QOpenGLPaintDevice : public QPaintDevice
{
    Q_DECLARE_PRIVATE(QOpenGLPaintDevice)
public:
    QOpenGLPaintDevice();
    explicit QOpenGLPaintDevice(const QSize &size);
    QOpenGLPaintDevice(int width, int height);
    virtual ~QOpenGLPaintDevice();

    int devType() const { return QInternal::OpenGL; }
    QPaintEngine *paintEngine() const;

    QOpenGLContext *context() const;
    QSize size() const;
    void setSize(const QSize &size);
    void setDevicePixelRatio(qreal devicePixelRatio);

    qreal dotsPerMeterX() const;
    qreal dotsPerMeterY() const;

    void setDotsPerMeterX(qreal);
    void setDotsPerMeterY(qreal);

    void setPaintFlipped(bool flipped);
    bool paintFlipped() const;

    virtual void ensureActiveTarget();

protected:
    int metric(QPaintDevice::PaintDeviceMetric metric) const;

    Q_DISABLE_COPY(QOpenGLPaintDevice)
    QScopedPointer<QOpenGLPaintDevicePrivate> d_ptr;
};

QT_END_NAMESPACE

#endif // QT_NO_OPENGL

#endif // QOPENGLPAINTDEVICE_H