SurfaceCache Class Reference

Public Functions
void	clear ()
IDirectFBSurface *	getSurface (const uint *buf, int size)
	SurfaceCache ()
	~SurfaceCache ()

Properties
uint *	buffer
int	bufsize
IDirectFBSurface *	surface

Detailed Description

Definition at line 152 of file qdirectfbpaintengine.cpp.

Constructors and Destructors

SurfaceCache()

SurfaceCache::SurfaceCache ( )

inline

Definition at line 155 of file qdirectfbpaintengine.cpp.

: surface(0), buffer(0), bufsize(0) {}

~SurfaceCache()

SurfaceCache::~SurfaceCache ( )

inline

Definition at line 156 of file qdirectfbpaintengine.cpp.

{ clear(); }

Functions

clear()

void SurfaceCache::clear

(

void

)

Definition at line 1415 of file qdirectfbpaintengine.cpp.

{
    if (surface && QDirectFBScreen::instance())
        QDirectFBScreen::instance()->releaseDFBSurface(surface);
    surface = 0;
    buffer = 0;
    bufsize = 0;
}

getSurface()

IDirectFBSurface * SurfaceCache::getSurface	(	const uint *	buf,
		int	size
	)

Definition at line 1397 of file qdirectfbpaintengine.cpp.

{
    if (buffer == buf && bufsize == size)
        return surface;

    clear();

    const DFBSurfaceDescription description = QDirectFBScreen::getSurfaceDescription(buf, size);
    surface = QDirectFBScreen::instance()->createDFBSurface(description, QDirectFBScreen::TrackSurface, 0);
    if (!surface)
        qWarning("QDirectFBPaintEngine: SurfaceCache: Unable to create surface");

    buffer = const_cast<uint*>(buf);
    bufsize = size;

    return surface;
}

Properties

buffer

uint* SurfaceCache::buffer

private

Definition at line 161 of file qdirectfbpaintengine.cpp.

bufsize

int SurfaceCache::bufsize

private

Definition at line 162 of file qdirectfbpaintengine.cpp.

surface

IDirectFBSurface* SurfaceCache::surface

private

Definition at line 160 of file qdirectfbpaintengine.cpp.

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

• /src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp