qopenglwindow.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QOPENGLWINDOW_H

#define QOPENGLWINDOW_H

#include <QtOpenGL/qtopenglglobal.h>

#ifndef QT_NO_OPENGL

#include <QtGui/QPaintDeviceWindow>

#include <QtGui/QOpenGLContext>

#include <QtGui/QImage>

QT_BEGIN_NAMESPACE

class QOpenGLWindowPrivate;

class Q_OPENGL_EXPORT QOpenGLWindow : public QPaintDeviceWindow

    Q_OBJECT

    Q_DECLARE_PRIVATE(QOpenGLWindow)

public:

    enum UpdateBehavior {

        NoPartialUpdate,

        PartialUpdateBlit,

        PartialUpdateBlend

};

    explicit QOpenGLWindow(UpdateBehavior updateBehavior = NoPartialUpdate, QWindow *parent = nullptr);

    explicit QOpenGLWindow(QOpenGLContext *shareContext, UpdateBehavior updateBehavior = NoPartialUpdate, QWindow *parent = nullptr);

    ~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) override;

    void resizeEvent(QResizeEvent *event) override;

    int metric(PaintDeviceMetric metric) const override;

    QPaintDevice *redirected(QPoint *) const override;

private:

    Q_DISABLE_COPY(QOpenGLWindow)

};

QT_END_NAMESPACE

#endif // QT_NO_OPENGL

#endif