QtWaylandClient::QWaylandShmBuffer Class Reference

#include <qwaylandshmbackingstore_p.h>

Inheritance diagram for QtWaylandClient::QWaylandShmBuffer:

Collaboration diagram for QtWaylandClient::QWaylandShmBuffer:

Public Member Functions
	QWaylandShmBuffer (QWaylandDisplay *display, const QSize &size, QImage::Format format, qreal scale=1)
	~QWaylandShmBuffer () override
QSize	size () const override
int	scale () const override
QImage *	image ()
QImage *	imageInsideMargins (const QMargins &margins)
QRegion &	dirtyRegion ()
Public Member Functions inherited from QtWaylandClient::QWaylandBuffer
	QWaylandBuffer ()
virtual	~QWaylandBuffer ()
void	init (wl_buffer *buf)
wl_buffer *	buffer ()
void	setBusy (bool busy)
bool	busy () const
void	setCommitted ()
bool	committed () const

Additional Inherited Members
Protected Attributes inherited from QtWaylandClient::QWaylandBuffer
struct wl_buffer *	mBuffer = nullptr

Detailed Description

Definition at line 35 of file qwaylandshmbackingstore_p.h.

Constructor & Destructor Documentation

QWaylandShmBuffer()

QtWaylandClient::QWaylandShmBuffer::QWaylandShmBuffer	(	QWaylandDisplay *	display,
		const QSize &	size,
		QImage::Format	format,
		qreal	scale = 1 )

Definition at line 48 of file qwaylandshmbackingstore.cpp.

References QFileDevice::AutoCloseHandle, file, QtWaylandClient::QWaylandShm::formatFrom(), QtWaylandClient::QWaylandBuffer::init(), MAP_FAILED, QFile::open(), qErrnoWarning(), qUtf8Printable, qWarning, QIODeviceBase::ReadWrite, QStandardPaths::RuntimeLocation, QImage::setDevicePixelRatio(), QIODeviceBase::Unbuffered, and QStandardPaths::writableLocation().

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~QWaylandShmBuffer()

QtWaylandClient::QWaylandShmBuffer::~QWaylandShmBuffer ( void )

override

Definition at line 100 of file qwaylandshmbackingstore.cpp.

References QImage::constBits(), and QImage::sizeInBytes().

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Member Function Documentation

dirtyRegion()

QRegion & QtWaylandClient::QWaylandShmBuffer::dirtyRegion ( )

inline

Definition at line 46 of file qwaylandshmbackingstore_p.h.

image()

QImage * QtWaylandClient::QWaylandShmBuffer::image ( )

inline

Definition at line 42 of file qwaylandshmbackingstore_p.h.

Referenced by QtWaylandClient::QWaylandShmBackingStore::beginPaint(), QtWaylandClient::QWaylandShmBackingStore::contentSurface(), QtWaylandClient::QWaylandShmBackingStore::entireSurface(), and QtWaylandClient::QWaylandShmBackingStore::recreateBackBufferIfNeeded().

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imageInsideMargins()

QImage * QtWaylandClient::QWaylandShmBuffer::imageInsideMargins

(

const QMargins &

margins

)

Definition at line 109 of file qwaylandshmbackingstore.cpp.

References QMargins::bottom(), QImage::bytesPerLine(), QImage::constBits(), QImage::devicePixelRatio(), QImage::format(), QSize::height(), QMargins::isNull(), QMargins::left(), QMargins::right(), QImage::setDevicePixelRatio(), QImage::size(), QMargins::top(), and QSize::width().

Referenced by QtWaylandClient::QWaylandShmBackingStore::contentSurface().

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scale()

int QtWaylandClient::QWaylandShmBuffer::scale ( ) const

inlineoverridevirtual

Reimplemented from QtWaylandClient::QWaylandBuffer.

Definition at line 41 of file qwaylandshmbackingstore_p.h.

size()

QSize QtWaylandClient::QWaylandShmBuffer::size ( ) const

inlineoverridevirtual

Implements QtWaylandClient::QWaylandBuffer.

Definition at line 40 of file qwaylandshmbackingstore_p.h.

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

• qtwayland/src/client/qwaylandshmbackingstore_p.h (5fd280c671c30b2d5832326841ca6eb4806b9f0f)
• qtwayland/src/client/qwaylandshmbackingstore.cpp (5fd280c671c30b2d5832326841ca6eb4806b9f0f)