QBBGLWindowSurface Class Reference

#include <qbbglwindowsurface.h>

Inheritance diagram for QBBGLWindowSurface:

Public Functions
virtual void	beginPaint (const QRegion &region)
	This function is called before painting onto the surface begins, with the region in which the painting will occur. More...
virtual void	endPaint (const QRegion &region)
	This function is called after painting onto the surface has ended, with the region in which the painting was performed. More...
virtual QWindowSurface::WindowSurfaceFeatures	features () const
virtual void	flush (QWidget *widget, const QRegion &region, const QPoint &offset)
	Flushes the given region from the specified widget onto the screen. More...
virtual QPaintDevice *	paintDevice ()
	Implement this function to return the appropriate paint device. More...
	QBBGLWindowSurface (QWidget *window)
virtual void	resize (const QSize &size)
virtual	~QBBGLWindowSurface ()
Public Functions inherited from QWindowSurface
virtual QImage *	buffer (const QWidget *widget)
	Returns a QImage pointer which represents the actual buffer the widget is drawn into or 0 if this is unavailable. More...
QRect	geometry () const
	Returns the currently allocated area on the screen. More...
virtual QPixmap	grabWidget (const QWidget *widget, const QRect &rectangle=QRect()) const
	Returns a QPixmap generated from the part of the backing store corresponding to widget. More...
bool	hasFeature (WindowSurfaceFeature feature) const
virtual QPoint	offset (const QWidget *widget) const
	Returns the offset of widget in the coordinates of this window surface. More...
	QWindowSurface (QWidget *window, bool setDefaultSurface=true)
	Constructs an empty surface for the given top-level window. More...
QRect	rect (const QWidget *widget) const
	Returns the rectangle for widget in the coordinates of this window surface. More...
virtual bool	scroll (const QRegion &area, int dx, int dy)
	Scrolls the given area dx pixels to the right and dy downward; both dx and dy may be negative. More...
virtual void	setGeometry (const QRect &rect)
	Sets the currently allocated area to be the given rect. More...
void	setStaticContents (const QRegion &region)
QRegion	staticContents () const
QWidget *	window () const
	Returns a pointer to the top-level window associated with this surface. More...
virtual	~QWindowSurface ()
	Destroys this surface. More...

Properties
QBBGLPaintDevice *	mPaintDevice
QBBGLContext *	mPlatformGlContext

Additional Inherited Members
Public Types inherited from QWindowSurface
enum	WindowSurfaceFeature { PartialUpdates = 0x00000001, PreservedContents = 0x00000002, StaticContents = 0x00000004, AllFeatures = 0xffffffff }
Protected Functions inherited from QWindowSurface
bool	hasStaticContents () const

Detailed Description

Definition at line 71 of file qbbglwindowsurface.h.

Constructors and Destructors

QBBGLWindowSurface()

QBBGLWindowSurface::QBBGLWindowSurface

(

QWidget *

window

)

Definition at line 83 of file qbbglwindowsurface.cpp.

    : QWindowSurface(window)
{
#if defined(QBBGLWINDOWSURFACE_DEBUG)
    qDebug() << "QBBGLWindowSurface::QBBGLWindowSurface - w=" << window;
#endif

    // extract GL context associated with window
    mPlatformGlContext = static_cast<QBBGLContext*>(window->platformWindow()->glContext());

    // create an OpenGL paint device
    mPaintDevice = new QBBGLPaintDevice(mPlatformGlContext);
}

~QBBGLWindowSurface()

QBBGLWindowSurface::~QBBGLWindowSurface ( )

virtual

Definition at line 97 of file qbbglwindowsurface.cpp.

{
#if defined(QBBGLWINDOWSURFACE_DEBUG)
    qDebug() << "QBBGLWindowSurface::~QBBGLWindowSurface - w=" << window();
#endif

    // cleanup OpenGL paint device
    delete mPaintDevice;
}

Functions

beginPaint()

void QBBGLWindowSurface::beginPaint ( const QRegion &  region )

virtual

This function is called before painting onto the surface begins, with the region in which the painting will occur.

See also

endPaint(), paintDevice()

Reimplemented from QWindowSurface.

Definition at line 134 of file qbbglwindowsurface.cpp.

{
    Q_UNUSED(region);

#if defined(QBBGLWINDOWSURFACE_DEBUG)
    qDebug() << "QBBGLWindowSurface::beginPaint - w=" << window();
#endif

    // resize EGL surface if window surface resized
    QSize s = size();
    if (s != mPlatformGlContext->surfaceSize()) {
        mPlatformGlContext->resizeSurface(s);
    }
}

endPaint()

void QBBGLWindowSurface::endPaint ( const QRegion &  region )

virtual

This function is called after painting onto the surface has ended, with the region in which the painting was performed.

See also

beginPaint(), paintDevice()

Reimplemented from QWindowSurface.

Definition at line 149 of file qbbglwindowsurface.cpp.

{
    Q_UNUSED(region);
#if defined(QBBGLWINDOWSURFACE_DEBUG)
    qDebug() << "QBBGLWindowSurface::endPaint - w=" << window();
#endif
}

features()

QWindowSurface::WindowSurfaceFeatures QBBGLWindowSurface::features ( ) const

virtual

Reimplemented from QWindowSurface.

Definition at line 157 of file qbbglwindowsurface.cpp.

{
    // force full frame updates on every paint
    return 0;
}

flush()

void QBBGLWindowSurface::flush ( QWidget *  widget, const QRegion &  region, const QPoint &  offset  )

virtual

Flushes the given region from the specified widget onto the screen.

Note that the offset parameter is currently unused.

Implements QWindowSurface.

Definition at line 107 of file qbbglwindowsurface.cpp.

{
    Q_UNUSED(widget);
    Q_UNUSED(region);
    Q_UNUSED(offset);

#if defined(QBBGLWINDOWSURFACE_DEBUG)
    qDebug() << "QBBGLWindowSurface::flush - w=" << window();
#endif

    // update the display with newly rendered content
    mPlatformGlContext->swapBuffers();
}

paintDevice()

virtual QPaintDevice* QBBGLWindowSurface::paintDevice ( )

inlinevirtual

Implement this function to return the appropriate paint device.

Implements QWindowSurface.

Definition at line 77 of file qbbglwindowsurface.h.

{ return mPaintDevice; }

resize()

void QBBGLWindowSurface::resize ( const QSize &  size )

virtual

Definition at line 121 of file qbbglwindowsurface.cpp.

{
#if defined(QBBGLWINDOWSURFACE_DEBUG)
    qDebug() << "QBBGLWindowSurface::resize - w=" << window() << ", s=" << size;
#endif

    // call parent method
    QWindowSurface::resize(size);

    // NOTE: defer resizing window buffers until next paint as
    // resize() can be called multiple times before a paint occurs
}

Properties

mPaintDevice

QBBGLPaintDevice* QBBGLWindowSurface::mPaintDevice

private

Definition at line 87 of file qbbglwindowsurface.h.

Referenced by QBBGLWindowSurface(), and ~QBBGLWindowSurface().

mPlatformGlContext

QBBGLContext* QBBGLWindowSurface::mPlatformGlContext

private

Definition at line 86 of file qbbglwindowsurface.h.

Referenced by beginPaint(), flush(), and QBBGLWindowSurface().

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

• /src/plugins/platforms/blackberry/qbbglwindowsurface.h
• /src/plugins/platforms/blackberry/qbbglwindowsurface.cpp