QVGEGLWindowSurfacePrivate Class Reference

#include <qwindowsurface_vgegl_p.h>

Inheritance diagram for QVGEGLWindowSurfacePrivate:

Public Functions
virtual void	beginPaint (QWidget *widget)=0
virtual void	endPaint (QWidget *widget, const QRegion &region, QImage *image=0)=0
virtual QEglContext *	ensureContext (QWidget *widget)=0
QVGPaintEngine *	paintEngine ()
	QVGEGLWindowSurfacePrivate (QWindowSurface *win)
virtual bool	scroll (QWidget *, const QRegion &, int, int)
virtual bool	supportsStaticContents () const
virtual VGImage	surfaceImage () const
virtual QSize	surfaceSize () const =0
virtual	~QVGEGLWindowSurfacePrivate ()

Protected Functions
void	destroyPaintEngine ()
QSize	windowSurfaceSize (QWidget *widget) const

Protected Variables
QVGPaintEngine *	engine
QWindowSurface *	winSurface

Detailed Description

Definition at line 67 of file qwindowsurface_vgegl_p.h.

Constructors and Destructors

QVGEGLWindowSurfacePrivate()

QVGEGLWindowSurfacePrivate::QVGEGLWindowSurfacePrivate

(

QWindowSurface *

win

)

Definition at line 430 of file qwindowsurface_vgegl.cpp.

{
    winSurface = win;
    engine = 0;
}

~QVGEGLWindowSurfacePrivate()

QVGEGLWindowSurfacePrivate::~QVGEGLWindowSurfacePrivate ( )

virtual

Definition at line 436 of file qwindowsurface_vgegl.cpp.

{
    // Destroy the paint engine if it hasn't been destroyed already.
    destroyPaintEngine();
}

Functions

beginPaint()

virtual void QVGEGLWindowSurfacePrivate::beginPaint ( QWidget *  widget )

pure virtual

Implemented in QVGEGLWindowSurfaceDirect.

Referenced by QVGWindowSurface::beginPaint().

destroyPaintEngine()

void QVGEGLWindowSurfacePrivate::destroyPaintEngine ( )

protected

Definition at line 454 of file qwindowsurface_vgegl.cpp.

Referenced by QVGEGLWindowSurfaceDirect::~QVGEGLWindowSurfaceDirect().

{
    if (engine) {
        qt_vg_destroy_paint_engine(engine);
        engine = 0;
    }
}

endPaint()

virtual void QVGEGLWindowSurfacePrivate::endPaint ( QWidget *  widget, const QRegion &  region, QImage *  image = 0  )

pure virtual

Implemented in QVGEGLWindowSurfaceDirect.

Referenced by QVGWindowSurface::flush().

ensureContext()

virtual QEglContext* QVGEGLWindowSurfacePrivate::ensureContext ( QWidget *  widget )

pure virtual

Implemented in QVGEGLWindowSurfaceDirect.

paintEngine()

QVGPaintEngine * QVGEGLWindowSurfacePrivate::paintEngine

(

)

Definition at line 442 of file qwindowsurface_vgegl.cpp.

Referenced by QVGWindowSurface::beginPaint(), and QVGWindowSurface::paintEngine().

{
    if (!engine)
        engine = qt_vg_create_paint_engine();
    return engine;
}

scroll()

virtual bool QVGEGLWindowSurfacePrivate::scroll ( QWidget *  , const QRegion &  , int  , int    )

inlinevirtual

Reimplemented in QVGEGLWindowSurfaceDirect.

Definition at line 81 of file qwindowsurface_vgegl_p.h.

Referenced by QVGWindowSurface::scroll(), and QVGEGLWindowSurfaceDirect::surfaceSize().

{ return false; }

supportsStaticContents()

virtual bool QVGEGLWindowSurfacePrivate::supportsStaticContents ( ) const

inlinevirtual

Reimplemented in QVGEGLWindowSurfaceDirect.

Definition at line 80 of file qwindowsurface_vgegl_p.h.

Referenced by QVGWindowSurface::features(), QVGEGLWindowSurfaceDirect::supportsStaticContents(), and QVGEGLWindowSurfaceDirect::surfaceSize().

{ return false; }

surfaceImage()

VGImage QVGEGLWindowSurfacePrivate::surfaceImage ( ) const

virtual

Definition at line 449 of file qwindowsurface_vgegl.cpp.

{
    return VG_INVALID_HANDLE;
}

surfaceSize()

virtual QSize QVGEGLWindowSurfacePrivate::surfaceSize ( ) const

pure virtual

Implemented in QVGEGLWindowSurfaceDirect.

Referenced by QVGWindowSurface::beginPaint().

windowSurfaceSize()

QSize QVGEGLWindowSurfacePrivate::windowSurfaceSize ( QWidget *  widget ) const

protected

Definition at line 462 of file qwindowsurface_vgegl.cpp.

Referenced by QVGEGLWindowSurfaceDirect::ensureContext().

{
    Q_UNUSED(widget);

    QRect rect = winSurface->geometry();
    QSize newSize = rect.size();

#if defined(Q_WS_QWS)
    // Account for the widget mask, if any.
    if (widget && !widget->mask().isEmpty()) {
        const QRegion region = widget->mask()
                               & rect.translated(-widget->geometry().topLeft());
        newSize = region.boundingRect().size();
    }
#endif

    return newSize;
}

Properties

engine

QVGPaintEngine* QVGEGLWindowSurfacePrivate::engine

protected

Definition at line 84 of file qwindowsurface_vgegl_p.h.

winSurface

QWindowSurface* QVGEGLWindowSurfacePrivate::winSurface

protected

Definition at line 85 of file qwindowsurface_vgegl_p.h.

---

The documentation for this class was generated from the following files:

• /src/openvg/qwindowsurface_vgegl_p.h
• /src/openvg/qwindowsurface_vgegl.cpp