qiiofhelpers.cpp File Reference

#include <QGuiApplication>
#include <QBuffer>
#include <QImageIOHandler>
#include <QImage>
#include "qiiofhelpers_p.h"

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Functions
static QT_BEGIN_NAMESPACE size_t	cbGetBytes (void *info, void *buffer, size_t count)
static off_t	cbSkipForward (void *info, off_t count)
static void	cbRewind (void *)
static size_t	cbPutBytes (void *info, const void *buffer, size_t count)
CGImageRef	qt_mac_toCGImage (const QImage &qImage)
QImage	qt_mac_toQImage (CGImageRef image)
static QImageIOHandler::Transformations	exif2Qt (int exifOrientation)
static int	qt2Exif (QImageIOHandler::Transformations transformation)

Function Documentation

cbGetBytes()

static QT_BEGIN_NAMESPACE size_t cbGetBytes ( void *  info, void *  buffer, size_t  count  )

static

Definition at line 16 of file qiiofhelpers.cpp.

References info, qMax(), and QIODevice::read().

Referenced by QIIOFHelper::initRead().

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cbPutBytes()

static size_t cbPutBytes ( void *  info, const void *  buffer, size_t  count  )

static

Definition at line 48 of file qiiofhelpers.cpp.

References info, qMax(), and QIODevice::write().

Referenced by QIIOFHelper::writeImage().

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cbRewind()

static void cbRewind ( void *  )

static

Definition at line 43 of file qiiofhelpers.cpp.

Referenced by QIIOFHelper::initRead().

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cbSkipForward()

static off_t cbSkipForward ( void *  info, off_t  count  )

static

Definition at line 25 of file qiiofhelpers.cpp.

References info, QIODevice::isSequential(), QIODevice::pos(), qMax(), QIODevice::read(), and QIODevice::seek().

Referenced by QIIOFHelper::initRead().

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exif2Qt()

static QImageIOHandler::Transformations exif2Qt ( int  exifOrientation )

static

Definition at line 161 of file qiiofhelpers.cpp.

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

qt2Exif()

static int qt2Exif ( QImageIOHandler::Transformations  transformation )

static

Definition at line 184 of file qiiofhelpers.cpp.

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

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

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qt_mac_toCGImage()

CGImageRef qt_mac_toCGImage

(

const QImage &

qImage

)

Definition at line 47 of file qcoregraphics.mm.

References QImage::convertToFormat(), and QImage::Format_ARGB32_Premultiplied.

Referenced by QCoreGraphicsPaintEngine::drawImage(), QCoreGraphicsPaintEngine::drawPixmap(), qt_mac_draw_pattern(), and QIIOFHelper::writeImage().

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qt_mac_toQImage()

QImage qt_mac_toQImage

(

CGImageRef

image

)

Definition at line 79 of file qcoregraphics.mm.

References QImage::Format_ARGB32_Premultiplied, qt_mac_drawCGImage(), rect, ret, and Qt::transparent.

Referenced by QCocoaScreen::grabWindow(), QIOSScreen::grabWindow(), and QIIOFHelper::readImage().

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