qtiffhandler.cpp File Reference

(adbede1e675be185da233673be853ced3423033c)

#include "qtiffhandler_p.h"
#include <qcolorspace.h>
#include <qdebug.h>
#include <qfloat16.h>
#include <qimage.h>
#include <qloggingcategory.h>
#include <qvariant.h>
#include <qvarlengtharray.h>
#include <qbuffer.h>
#include <qfiledevice.h>
#include "tiffio.h"
#include <memory>

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Classes
class	QTiffHandlerPrivate

Functions
static QT_BEGIN_NAMESPACE	Q_LOGGING_CATEGORY (lcTiff, "qt.imageformats.tiff") tsize_t qtiffReadProc(thandle_t fd
return device	isReadable () ? device -> read(static_cast< char * >(buf), size) :-1
tsize_t	qtiffWriteProc (thandle_t fd, tdata_t buf, tsize_t size)
toff_t	qtiffSeekProc (thandle_t fd, toff_t off, int whence)
int	qtiffCloseProc (thandle_t)
toff_t	qtiffSizeProc (thandle_t fd)
int	qtiffMapProc (thandle_t fd, void **base, toff_t *size)
void	qtiffUnmapProc (thandle_t fd, void *base, toff_t)
static QImageIOHandler::Transformations	exif2Qt (int exifOrientation)
static int	qt2Exif (QImageIOHandler::Transformations transformation)
static bool	checkGrayscale (const QList< QRgb > &colorTable)
static QList< QRgb >	effectiveColorTable (const QImage &image)
static quint32	defaultStripSize (TIFF *tiff)

Variables
static QT_BEGIN_NAMESPACE tdata_t	buf
static QT_BEGIN_NAMESPACE tdata_t tsize_t	size

Function Documentation

checkGrayscale()

static bool checkGrayscale ( const QList< QRgb > & colorTable )

static

Definition at line 600 of file qtiffhandler.cpp.

References i, and qRgb().

Referenced by QTiffHandler::write().

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defaultStripSize()

static quint32 defaultStripSize ( TIFF * tiff )

static

Definition at line 638 of file qtiffhandler.cpp.

References qBound(), and qMax().

Referenced by QTiffHandler::write().

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effectiveColorTable()

static QList< QRgb > effectiveColorTable ( const QImage & image )

static

Definition at line 614 of file qtiffhandler.cpp.

References colors, QImage::Format_Alpha8, QImage::Format_Grayscale16, QImage::Format_Grayscale8, QImage::Format_Indexed8, i, qRgb(), and qRgba().

Referenced by QTiffHandler::write().

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exif2Qt()

static QImageIOHandler::Transformations exif2Qt ( int exifOrientation )

static

Definition at line 126 of file qtiffhandler.cpp.

References qCWarning, QImageIOHandler::TransformationFlip, QImageIOHandler::TransformationFlipAndRotate90, QImageIOHandler::TransformationMirror, QImageIOHandler::TransformationMirrorAndRotate90, QImageIOHandler::TransformationNone, QImageIOHandler::TransformationRotate180, QImageIOHandler::TransformationRotate270, and QImageIOHandler::TransformationRotate90.

Referenced by QTiffHandlerPrivate::readHeaders().

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isReadable()

return device isReadable

(

)

-> read(static_cast< char * >(buf), size) :-1

Referenced by QMetaProperty::isValid().

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Q_LOGGING_CATEGORY()

static QT_BEGIN_NAMESPACE Q_LOGGING_CATEGORY ( lcTiff , "qt.imageformats.tiff"  )

static

qt2Exif()

static int qt2Exif ( QImageIOHandler::Transformations transformation )

static

Definition at line 150 of file qtiffhandler.cpp.

References qCWarning, QImageIOHandler::TransformationFlip, QImageIOHandler::TransformationFlipAndRotate90, QImageIOHandler::TransformationMirror, QImageIOHandler::TransformationMirrorAndRotate90, QImageIOHandler::TransformationNone, QImageIOHandler::TransformationRotate180, QImageIOHandler::TransformationRotate270, and QImageIOHandler::TransformationRotate90.

Referenced by QTiffHandler::read(), and QTiffHandler::write().

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qtiffCloseProc()

int qtiffCloseProc

(

thandle_t

)

Definition at line 55 of file qtiffhandler.cpp.

Referenced by QTiffHandlerPrivate::openInternal().

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qtiffMapProc()

int qtiffMapProc	(	thandle_t	fd,
		void **	base,
		toff_t *	size )

Definition at line 65 of file qtiffhandler.cpp.

References base, device, file, QFileDevice::map(), and QFile::size().

Referenced by QTiffHandlerPrivate::openInternal().

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qtiffSeekProc()

toff_t qtiffSeekProc	(	thandle_t	fd,
		toff_t	off,
		int	whence )

Definition at line 37 of file qtiffhandler.cpp.

References device.

Referenced by QTiffHandlerPrivate::openInternal().

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qtiffSizeProc()

toff_t qtiffSizeProc

(

thandle_t

fd

)

Definition at line 60 of file qtiffhandler.cpp.

References size.

Referenced by QTiffHandlerPrivate::openInternal().

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qtiffUnmapProc()

void qtiffUnmapProc	(	thandle_t	fd,
		void *	base,
		toff_t	)

Definition at line 87 of file qtiffhandler.cpp.

References base, file, and QFileDevice::unmap().

Referenced by QTiffHandlerPrivate::openInternal().

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qtiffWriteProc()

tsize_t qtiffWriteProc	(	thandle_t	fd,
		tdata_t	buf,
		tsize_t	size )

Definition at line 32 of file qtiffhandler.cpp.

References size, and write().

Referenced by QTiffHandlerPrivate::openInternal().

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Variable Documentation

buf

QT_BEGIN_NAMESPACE tdata_t buf

Definition at line 26 of file qtiffhandler.cpp.

size

QT_BEGIN_NAMESPACE tdata_t tsize_t size

Initial value:

{
    QIODevice *device = static_cast<QIODevice *>(fd)

Definition at line 26 of file qtiffhandler.cpp.

Referenced by qtiffSizeProc(), and qtiffWriteProc().