QIIOFHelper Class Reference

#include <qiiofhelpers_p.h>

Collaboration diagram for QIIOFHelper:

Public Member Functions
	QIIOFHelper (QImageIOHandler *q)
bool	readImage (QImage *out)
bool	writeImage (const QImage &in, const QString &uti)
QVariant	imageProperty (QImageIOHandler::ImageOption option)
void	setOption (QImageIOHandler::ImageOption option, const QVariant &value)

Protected Member Functions
bool	initRead ()
bool	getIntProperty (CFStringRef property, int *value)

Protected Attributes
QImageIOHandler *	q_ptr = nullptr
QList< QVariant >	writeOptions
QCFType< CGDataProviderRef >	cgDataProvider = nullptr
QCFType< CGImageSourceRef >	cgImageSource = nullptr
QCFType< CFDictionaryRef >	cfImageDict = nullptr

Detailed Description

Definition at line 37 of file qiiofhelpers_p.h.

Constructor & Destructor Documentation

QIIOFHelper()

QIIOFHelper::QIIOFHelper

(

QImageIOHandler *

q

)

Definition at line 92 of file qiiofhelpers.cpp.

Member Function Documentation

getIntProperty()

bool QIIOFHelper::getIntProperty ( CFStringRef  property, int *  value  )

protected

Definition at line 144 of file qiiofhelpers.cpp.

References cfImageDict, and property.

Referenced by imageProperty(), and readImage().

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imageProperty()

QVariant QIIOFHelper::imageProperty

(

QImageIOHandler::ImageOption

option

)

Definition at line 208 of file qiiofhelpers.cpp.

References exif2Qt(), getIntProperty(), QImageIOHandler::ImageTransformation, initRead(), QSize::rheight(), QSize::rwidth(), and QImageIOHandler::Size.

Referenced by QMacHeifHandler::option().

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initRead()

bool QIIOFHelper::initRead ( )

protected

Definition at line 97 of file qiiofhelpers.cpp.

References cbGetBytes(), cbRewind(), cbSkipForward(), cfImageDict, cgDataProvider, cgImageSource, QImageIOHandler::device(), and q_ptr.

Referenced by imageProperty(), and readImage().

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readImage()

bool QIIOFHelper::readImage

(

QImage *

out

)

Definition at line 122 of file qiiofhelpers.cpp.

References cgImageSource, getIntProperty(), initRead(), out, qRound(), and qt_mac_toQImage().

Referenced by QMacHeifHandler::read().

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setOption()

void QIIOFHelper::setOption	(	QImageIOHandler::ImageOption	option,
		const QVariant &	value
	)

Definition at line 235 of file qiiofhelpers.cpp.

References QList< T >::resize(), QList< T >::size(), and writeOptions.

Referenced by QMacHeifHandler::setOption().

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writeImage()

bool QIIOFHelper::writeImage	(	const QImage &	in,
		const QString &	uti
	)

Definition at line 242 of file qiiofhelpers.cpp.

References cbPutBytes(), QImageIOHandler::device(), QImageIOHandler::ImageTransformation, ok, q_ptr, qMin(), qt2Exif(), qt_mac_toCGImage(), QImageIOHandler::Quality, QImageIOHandler::supportsOption(), QVariant::toInt(), QList< T >::value(), and writeOptions.

Referenced by QMacHeifHandler::write().

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Member Data Documentation

cfImageDict

QCFType<CFDictionaryRef> QIIOFHelper::cfImageDict = nullptr

protected

Definition at line 55 of file qiiofhelpers_p.h.

Referenced by getIntProperty(), and initRead().

cgDataProvider

QCFType<CGDataProviderRef> QIIOFHelper::cgDataProvider = nullptr

protected

Definition at line 53 of file qiiofhelpers_p.h.

Referenced by initRead().

cgImageSource

QCFType<CGImageSourceRef> QIIOFHelper::cgImageSource = nullptr

protected

Definition at line 54 of file qiiofhelpers_p.h.

Referenced by initRead(), and readImage().

q_ptr

QImageIOHandler* QIIOFHelper::q_ptr = nullptr

protected

Definition at line 51 of file qiiofhelpers_p.h.

Referenced by initRead(), and writeImage().

writeOptions

QList<QVariant> QIIOFHelper::writeOptions

protected

Definition at line 52 of file qiiofhelpers_p.h.

Referenced by setOption(), and writeImage().

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

• qtimageformats/src/plugins/imageformats/shared/qiiofhelpers_p.h
• qtimageformats/src/plugins/imageformats/shared/qiiofhelpers.cpp