Mac-4.7.4/src/openvg/qwindowsurface_vg_p.h

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#ifndef QWINDOWSURFACE_VG_P_H
#define QWINDOWSURFACE_VG_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtGui/private/qwindowsurface_p.h>

QT_BEGIN_NAMESPACE

#if !defined(QT_NO_EGL)

class QVGEGLWindowSurfacePrivate;

class Q_OPENVG_EXPORT QVGWindowSurface : public QWindowSurface, public QPaintDevice
{
public:
    QVGWindowSurface(QWidget *window);
    QVGWindowSurface(QWidget *window, QVGEGLWindowSurfacePrivate *d);
    ~QVGWindowSurface();

    QPaintDevice *paintDevice();
    void flush(QWidget *widget, const QRegion &region, const QPoint &offset);
    void setGeometry(const QRect &rect);
    bool scroll(const QRegion &area, int dx, int dy);

    void beginPaint(const QRegion &region);
    void endPaint(const QRegion &region);

    QPaintEngine *paintEngine() const;

protected:
    int metric(PaintDeviceMetric metric) const;

private:
    QVGEGLWindowSurfacePrivate *d_ptr;
};

#endif

QT_END_NAMESPACE

#endif // QWINDOWSURFACE_VG_P_H