Collaboration diagram for QGIFFormat:

Public Member Functions
	QGIFFormat ()
	Constructs a QGIFFormat.

	~QGIFFormat ()
	Destroys a QGIFFormat.

int	decode (QImage image, const uchar buffer, int length, int nextFrameDelay, int loopCount)
	This function decodes some data into image changes.

Static Public Member Functions
static void	scan (QIODevice device, QList< QSize > imageSizes, int *loopCount)
	Scans through the data stream defined by device and returns the image sizes found in the stream in the imageSizes list.

Public Attributes
bool	newFrame

bool	partialNewFrame

Detailed Description

Definition at line 27 of file qgifhandler.cpp.

Constructor & Destructor Documentation

◆ QGIFFormat()

QGIFFormat::QGIFFormat ( )

Constructs a QGIFFormat.

Definition at line 113 of file qgifhandler.cpp.

References newFrame, and partialNewFrame.

◆ ~QGIFFormat()

QGIFFormat::~QGIFFormat ( )

Destroys a QGIFFormat.

Definition at line 136 of file qgifhandler.cpp.

Member Function Documentation

◆ decode()

int QGIFFormat::decode	(	QImage *	image,
		const uchar *	buffer,
		int	length,
		int *	nextFrameDelay,
		int *	loopCount
	)

This function decodes some data into image changes.

Returns the number of bytes consumed.

Definition at line 199 of file qgifhandler.cpp.

References QImageIOHandler::allocateImage(), QImage::bits(), QImage::bytesPerLine(), ch, FAST_SCAN_LINE, QImage::Format_ARGB32, QImage::Format_RGB32, QImage::height(), i, line, LM, newFrame, partialNewFrame, Q_TRANSPARENT, qMax(), qMin(), QRgb, qRgb(), qstrncmp(), rgb, QImage::sizeInBytes(), and QImage::width().

Referenced by QGifHandler::read().

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◆ scan()

void QGIFFormat::scan	(	QIODevice *	device,
		QList< QSize > *	imageSizes,
		int *	loopCount
	)

static

Scans through the data stream defined by device and returns the image sizes found in the stream in the imageSizes list.

Definition at line 657 of file qgifhandler.cpp.

References blockSize, ch, device, done, LM, qMax(), qstrncmp(), and state.

Referenced by QGifHandler::imageCount(), QGifHandler::loopCount(), and QGifHandler::option().

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Member Data Documentation

◆ newFrame

bool QGIFFormat::newFrame

Definition at line 36 of file qgifhandler.cpp.

Referenced by QGIFFormat(), decode(), and QGifHandler::read().

◆ partialNewFrame

bool QGIFFormat::partialNewFrame

Definition at line 37 of file qgifhandler.cpp.