Digikam::SharedLoadingTask Class Reference

Inheritance diagram for Digikam::SharedLoadingTask:

Public Types
enum	LoadingTaskStatus { LoadingTaskStatusLoading , LoadingTaskStatusPreloading , LoadingTaskStatusStopping }
enum	TaskType { TaskTypeLoading , TaskTypeSaving }

Public Member Functions
LoadSaveThread::AccessMode	accessMode () const override
void	addListener (LoadingProcessListener *const listener) override
QString	cacheKey () const override
bool	completed () const override
bool	continueQuery () override
void	execute () override
QString	filePath () const
virtual float	granularity ()
DImg	img () const
const LoadingDescription &	loadingDescription () const
LoadSaveNotifier *	loadSaveNotifier () const override
bool	needsPostProcessing () const
void	notifyNewLoadingProcess (LoadingProcess *const process, const LoadingDescription &description) override
virtual void	postProcess ()
void	progressInfo (float progress) override
bool	querySendNotifyEvent () const override
void	removeListener (LoadingProcessListener *const listener) override
void	setResult (const LoadingDescription &loadingDescription, const DImg &img) override
void	setStatus (LoadingTaskStatus status)
	SharedLoadingTask (LoadSaveThread *const thread, const LoadingDescription &description, LoadSaveThread::AccessMode mode=LoadSaveThread::AccessModeReadWrite, LoadingTaskStatus loadingTaskStatus=LoadingTaskStatusLoading)
LoadingTaskStatus	status () const
TaskType	type () override

Protected Attributes
LoadSaveThread::AccessMode	m_accessMode
volatile bool	m_completed
DImg	m_img
QList< LoadingProcessListener * >	m_listeners
LoadingDescription	m_loadingDescription
volatile LoadingTaskStatus	m_loadingTaskStatus
LoadSaveThread *	m_thread

Member Enumeration Documentation

LoadingTaskStatus

enum Digikam::LoadingTask::LoadingTaskStatus

inherited

Enumerator
LoadingTaskStatusLoading
LoadingTaskStatusPreloading
LoadingTaskStatusStopping

TaskType

enum Digikam::LoadSaveTask::TaskType

inherited

Enumerator
TaskTypeLoading
TaskTypeSaving

Constructor & Destructor Documentation

SharedLoadingTask()

Digikam::SharedLoadingTask::SharedLoadingTask ( LoadSaveThread *const  thread, const LoadingDescription &  description, LoadSaveThread::AccessMode  mode = LoadSaveThread::AccessModeReadWrite, LoadingTaskStatus  loadingTaskStatus = LoadingTaskStatusLoading  )

explicit

References Digikam::LoadSaveThread::AccessModeRead, Digikam::LoadSaveThread::AccessModeReadWrite, m_accessMode, and needsPostProcessing().

Member Function Documentation

accessMode()

LoadSaveThread::AccessMode Digikam::SharedLoadingTask::accessMode ( ) const

overridevirtual

Implements Digikam::LoadingProcessListener.

References m_accessMode.

Referenced by execute(), and Digikam::PreviewLoadingTask::execute().

addListener()

void Digikam::SharedLoadingTask::addListener ( LoadingProcessListener *const  listener )

overridevirtual

Implements Digikam::LoadingProcess.

References m_listeners.

cacheKey()

QString Digikam::SharedLoadingTask::cacheKey ( ) const

overridevirtual

Implements Digikam::LoadingProcess.

References Digikam::LoadingDescription::cacheKey(), and Digikam::LoadingTask::m_loadingDescription.

completed()

bool Digikam::SharedLoadingTask::completed ( ) const

overridevirtual

Implements Digikam::LoadingProcess.

References m_completed.

continueQuery()

bool Digikam::LoadingTask::continueQuery ( )

overridevirtualinherited

Queries whether the image IO operation shall be continued

Reimplemented from Digikam::DImgLoaderObserver.

References Digikam::LoadingTask::LoadingTaskStatusStopping, and Digikam::LoadingTask::m_loadingTaskStatus.

Referenced by execute(), Digikam::PreviewLoadingTask::execute(), and Digikam::ThumbnailLoadingTask::execute().

execute()

void Digikam::SharedLoadingTask::execute ( )

overridevirtual

Reimplemented from Digikam::LoadingTask.

Reimplemented in Digikam::ThumbnailLoadingTask, and Digikam::PreviewLoadingTask.

References Digikam::LoadingProcessListener::accessMode(), accessMode(), Digikam::LoadSaveThread::AccessModeReadWrite, Digikam::LoadingProcess::addListener(), Digikam::LoadingCache::addLoadingProcess(), Digikam::LoadingCache::cache(), Digikam::LoadingDescription::cacheKey(), Digikam::LoadingProcess::completed(), Digikam::LoadingTask::continueQuery(), Digikam::DImg::copy(), Digikam::DImg::detach(), Digikam::LoadingDescription::filePath, Digikam::LoadSaveThread::imageLoaded(), Digikam::LoadSaveThread::imageStartedLoading(), Digikam::DImg::isNull(), Digikam::LoadingTask::LoadingTaskStatusStopping, Digikam::LoadingDescription::lookupCacheKeys(), m_completed, m_img, m_listeners, Digikam::LoadingTask::m_loadingDescription, Digikam::LoadingTask::m_loadingTaskStatus, Digikam::LoadSaveTask::m_thread, Digikam::LoadingDescription::needCheckRawDecoding(), Digikam::LoadingCache::notifyNewLoadingProcess(), postProcess(), Digikam::LoadingCache::putImage(), Digikam::DImg::rawDecodingSettings(), Digikam::LoadingDescription::rawDecodingSettings, Digikam::LoadingProcess::removeListener(), Digikam::LoadingCache::removeLoadingProcess(), Digikam::LoadingCache::retrieveImage(), Digikam::LoadingCache::retrieveLoadingProcess(), Digikam::LoadingProcessListener::setResult(), Digikam::LoadSaveThread::taskHasFinished(), Digikam::LoadingCache::CacheLock::timedWait(), and Digikam::LoadingCache::CacheLock::wakeAll().

filePath()

QString Digikam::LoadingTask::filePath ( ) const

inherited

References Digikam::LoadingDescription::filePath, and Digikam::LoadingTask::m_loadingDescription.

granularity()

virtual float Digikam::DImgLoaderObserver::granularity ( )

inlinevirtualinherited

Return a relative value which determines the granularity, the frequency with which the DImgLoaderObserver is checked and progress is posted. Standard is 1.0. Values < 1 mean less granularity (fewer checks), values > 1 mean higher granularity (more checks).

Referenced by Digikam::DImgLoader::granularity().

img()

DImg Digikam::SharedLoadingTask::img

(

)

const

References m_img.

Referenced by Digikam::PreviewLoadThread::loadSynchronously(), and setResult().

loadingDescription()

const LoadingDescription & Digikam::LoadingTask::loadingDescription ( ) const

inherited

References Digikam::LoadingTask::m_loadingDescription.

Referenced by Digikam::ManagedLoadSaveThread::load(), Digikam::ManagedLoadSaveThread::save(), setResult(), and Digikam::ThumbnailLoadingTask::setThumbResult().

loadSaveNotifier()

LoadSaveNotifier * Digikam::SharedLoadingTask::loadSaveNotifier ( ) const

overridevirtual

Implements Digikam::LoadingProcessListener.

References Digikam::LoadSaveTask::m_thread.

needsPostProcessing()

bool Digikam::SharedLoadingTask::needsPostProcessing

(

)

const

References Digikam::LoadingTask::m_loadingDescription, Digikam::LoadingDescription::PostProcessingParameters::needsProcessing(), and Digikam::LoadingDescription::postProcessingParameters.

Referenced by Digikam::PreviewLoadingTask::execute(), and SharedLoadingTask().

notifyNewLoadingProcess()

void Digikam::SharedLoadingTask::notifyNewLoadingProcess ( LoadingProcess *const  process, const LoadingDescription &  description  )

overridevirtual

Implements Digikam::LoadingProcess.

References Digikam::LoadingDescription::equalsIgnoreReducedVersion(), Digikam::LoadingDescription::isReducedVersion(), m_listeners, and Digikam::LoadingTask::m_loadingDescription.

postProcess()

void Digikam::SharedLoadingTask::postProcess ( )

virtual

Reimplemented in Digikam::ThumbnailLoadingTask.

References Digikam::IccTransform::apply(), Digikam::LoadingDescription::ApplyTransform, Digikam::LoadingDescription::PostProcessingParameters::colorManagement, Digikam::LoadingDescription::ConvertForDisplay, Digikam::LoadingDescription::ConvertForEditor, Digikam::LoadingDescription::ConvertForOutput, Digikam::LoadingDescription::ConvertToSRGB, m_img, Digikam::LoadingTask::m_loadingDescription, Digikam::LoadingDescription::NoColorConversion, Digikam::IccTransform::outputProfile(), Digikam::LoadingDescription::postProcessingParameters, Digikam::LoadingDescription::PostProcessingParameters::profile(), Digikam::DImg::setIccProfile(), Digikam::LoadingDescription::PostProcessingParameters::transform(), Digikam::IccManager::transformDefault(), Digikam::IccManager::transformForDisplay(), Digikam::IccManager::transformForOutput(), and Digikam::IccManager::transformToSRGB().

Referenced by execute(), and Digikam::PreviewLoadingTask::execute().

progressInfo()

void Digikam::SharedLoadingTask::progressInfo ( float  progress )

overridevirtual

Posts progress information about image IO

Reimplemented from Digikam::LoadingTask.

References Digikam::LoadingCache::cache(), Digikam::LoadSaveNotifier::loadingProgress(), Digikam::LoadingTask::LoadingTaskStatusLoading, Digikam::LoadingProcessListener::loadSaveNotifier(), m_listeners, Digikam::LoadingTask::m_loadingDescription, Digikam::LoadingTask::m_loadingTaskStatus, and Digikam::LoadingProcessListener::querySendNotifyEvent().

querySendNotifyEvent()

bool Digikam::SharedLoadingTask::querySendNotifyEvent ( ) const

overridevirtual

Implements Digikam::LoadingProcessListener.

References Digikam::LoadSaveTask::m_thread, and Digikam::LoadSaveThread::querySendNotifyEvent().

removeListener()

void Digikam::SharedLoadingTask::removeListener ( LoadingProcessListener *const  listener )

overridevirtual

Implements Digikam::LoadingProcess.

References m_listeners.

setResult()

void Digikam::SharedLoadingTask::setResult ( const LoadingDescription &  loadingDescription, const DImg &  img  )

overridevirtual

Implements Digikam::LoadingProcessListener.

References img(), Digikam::LoadingTask::loadingDescription(), m_img, Digikam::LoadingTask::m_loadingDescription, and Digikam::LoadingDescription::postProcessingParameters.

setStatus()

void Digikam::LoadingTask::setStatus ( LoadingTaskStatus  status )

inherited

References Digikam::LoadingTask::m_loadingTaskStatus, and Digikam::LoadingTask::status().

Referenced by Digikam::ManagedLoadSaveThread::load(), Digikam::ManagedLoadSaveThread::loadThumbnail(), Digikam::ManagedLoadSaveThread::preloadThumbnail(), Digikam::ManagedLoadSaveThread::preloadThumbnailGroup(), Digikam::ManagedLoadSaveThread::save(), Digikam::ManagedLoadSaveThread::shutDown(), and Digikam::ManagedLoadSaveThread::stopAllTasks().

status()

LoadingTask::LoadingTaskStatus Digikam::LoadingTask::status ( ) const

inherited

References Digikam::LoadingTask::m_loadingTaskStatus.

Referenced by Digikam::LoadingTask::setStatus().

type()

LoadingTask::TaskType Digikam::LoadingTask::type ( )

overridevirtualinherited

Implements Digikam::LoadSaveTask.

References Digikam::LoadSaveTask::TaskTypeLoading.

Member Data Documentation

m_accessMode

LoadSaveThread::AccessMode Digikam::SharedLoadingTask::m_accessMode

protected

Referenced by accessMode(), and SharedLoadingTask().

m_completed

volatile bool Digikam::SharedLoadingTask::m_completed

protected

Referenced by completed(), execute(), Digikam::PreviewLoadingTask::execute(), and Digikam::ThumbnailLoadingTask::execute().

m_img

DImg Digikam::SharedLoadingTask::m_img

protected

Referenced by execute(), Digikam::PreviewLoadingTask::execute(), img(), postProcess(), and setResult().

m_listeners

QList<LoadingProcessListener*> Digikam::SharedLoadingTask::m_listeners

protected

Referenced by addListener(), execute(), Digikam::PreviewLoadingTask::execute(), Digikam::ThumbnailLoadingTask::execute(), notifyNewLoadingProcess(), progressInfo(), and removeListener().

m_loadingDescription

LoadingDescription Digikam::LoadingTask::m_loadingDescription

protectedinherited

Referenced by cacheKey(), Digikam::LoadingTask::execute(), execute(), Digikam::PreviewLoadingTask::execute(), Digikam::ThumbnailLoadingTask::execute(), Digikam::LoadingTask::filePath(), Digikam::LoadingTask::loadingDescription(), needsPostProcessing(), notifyNewLoadingProcess(), postProcess(), Digikam::ThumbnailLoadingTask::postProcess(), Digikam::LoadingTask::progressInfo(), progressInfo(), setResult(), and Digikam::ThumbnailLoadingTask::setThumbResult().

m_loadingTaskStatus

volatile LoadingTaskStatus Digikam::LoadingTask::m_loadingTaskStatus

protectedinherited

Referenced by Digikam::LoadingTask::continueQuery(), Digikam::LoadingTask::execute(), execute(), Digikam::PreviewLoadingTask::execute(), Digikam::ThumbnailLoadingTask::execute(), Digikam::LoadingTask::progressInfo(), progressInfo(), Digikam::LoadingTask::setStatus(), and Digikam::LoadingTask::status().

m_thread

LoadSaveThread* Digikam::LoadSaveTask::m_thread

protectedinherited

Referenced by Digikam::LoadingTask::execute(), execute(), Digikam::SavingTask::execute(), Digikam::PreviewLoadingTask::execute(), Digikam::ThumbnailLoadingTask::execute(), loadSaveNotifier(), Digikam::LoadingTask::progressInfo(), Digikam::SavingTask::progressInfo(), and querySendNotifyEvent().

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

• core/libs/threadimageio/fileio/loadsavetask.h
• core/libs/threadimageio/fileio/loadsavetask.cpp