Digikam::PreviewLoadingTask Class Reference

Inheritance diagram for Digikam::PreviewLoadingTask:

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 ()
	PreviewLoadingTask (LoadSaveThread *const thread, const LoadingDescription &description)
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)
LoadingTaskStatus	status () const
TaskType	type () override
	~PreviewLoadingTask () 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

PreviewLoadingTask()

Digikam::PreviewLoadingTask::PreviewLoadingTask ( LoadSaveThread *const  thread, const LoadingDescription &  description  )

explicit

~PreviewLoadingTask()

Digikam::PreviewLoadingTask::~PreviewLoadingTask ( )

override

Member Function Documentation

accessMode()

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

overridevirtualinherited

Implements Digikam::LoadingProcessListener.

References Digikam::SharedLoadingTask::m_accessMode.

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

addListener()

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

overridevirtualinherited

Implements Digikam::LoadingProcess.

References Digikam::SharedLoadingTask::m_listeners.

cacheKey()

QString Digikam::SharedLoadingTask::cacheKey ( ) const

overridevirtualinherited

Implements Digikam::LoadingProcess.

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

completed()

bool Digikam::SharedLoadingTask::completed ( ) const

overridevirtualinherited

Implements Digikam::LoadingProcess.

References Digikam::SharedLoadingTask::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 Digikam::SharedLoadingTask::execute(), execute(), and Digikam::ThumbnailLoadingTask::execute().

execute()

void Digikam::PreviewLoadingTask::execute ( )

overridevirtual

Reimplemented from Digikam::SharedLoadingTask.

References Digikam::LoadingProcessListener::accessMode(), Digikam::SharedLoadingTask::accessMode(), Digikam::LoadSaveThread::AccessModeReadWrite, Digikam::LoadingProcess::addListener(), Digikam::LoadingCache::addLoadingProcess(), Digikam::LoadingCache::cache(), Digikam::LoadingDescription::cacheKey(), Digikam::LoadingProcess::completed(), Digikam::LoadingTask::continueQuery(), Digikam::DImg::convertToEightBit(), Digikam::PreviewSettings::convertToEightBit, Digikam::DImg::copy(), Digikam::DImg::detach(), Digikam::DImg::exifRotate(), Digikam::MetaEngineSettingsContainer::exifRotate, Digikam::PreviewSettings::FastButLargePreview, Digikam::PreviewSettings::FastPreview, Digikam::DImg::fileFormat(), Digikam::LoadingDescription::filePath, Digikam::PreviewSettings::HighQualityPreview, Digikam::LoadSaveThread::imageLoaded(), Digikam::DRawInfo::imageSize, Digikam::MetaEngineSettings::instance(), Digikam::DImg::isNull(), Digikam::DImg::load(), Digikam::LoadingTask::LoadingTaskStatusStopping, Digikam::LoadingDescription::lookupCacheKeys(), Digikam::SharedLoadingTask::m_completed, Digikam::SharedLoadingTask::m_img, Digikam::SharedLoadingTask::m_listeners, Digikam::LoadingTask::m_loadingDescription, Digikam::LoadingTask::m_loadingTaskStatus, Digikam::LoadSaveTask::m_thread, Digikam::LoadingDescription::needCheckRawDecoding(), Digikam::SharedLoadingTask::needsPostProcessing(), Digikam::LoadingCache::notifyNewLoadingProcess(), Digikam::MetaEnginePreviews::originalSize(), Digikam::SharedLoadingTask::postProcess(), Digikam::LoadingDescription::previewParameters, Digikam::LoadingDescription::PreviewParameters::previewSettings, Digikam::LoadingCache::putImage(), Digikam::PreviewSettings::quality, Digikam::DImg::RAW, Digikam::DImg::rawDecodingSettings(), Digikam::LoadingDescription::rawDecodingSettings, Digikam::DRawDecoder::rawFileIdentify(), Digikam::PreviewSettings::rawLoading, Digikam::PreviewSettings::RawPreviewAutomatic, Digikam::PreviewSettings::RawPreviewFromEmbeddedPreview, Digikam::PreviewSettings::RawPreviewFromRawHalfSize, Digikam::LoadingProcess::removeListener(), Digikam::LoadingCache::removeLoadingProcess(), Digikam::LoadingCache::retrieveImage(), Digikam::LoadingCache::retrieveLoadingProcess(), Digikam::DImg::setAttribute(), Digikam::LoadingProcessListener::setResult(), Digikam::MetaEngineSettings::settings(), Digikam::DImg::size(), Digikam::LoadingDescription::PreviewParameters::size, Digikam::DImg::smoothScale(), Digikam::LoadSaveThread::taskHasFinished(), Digikam::LoadingCache::CacheLock::timedWait(), Digikam::LoadingCache::CacheLock::wakeAll(), and Digikam::DImg::wasExifRotated().

Referenced by Digikam::PreviewLoadThread::loadSynchronously().

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

inherited

References Digikam::SharedLoadingTask::m_img.

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

loadingDescription()

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

inherited

References Digikam::LoadingTask::m_loadingDescription.

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

loadSaveNotifier()

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

overridevirtualinherited

Implements Digikam::LoadingProcessListener.

References Digikam::LoadSaveTask::m_thread.

needsPostProcessing()

bool Digikam::SharedLoadingTask::needsPostProcessing ( ) const

inherited

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

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

notifyNewLoadingProcess()

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

overridevirtualinherited

Implements Digikam::LoadingProcess.

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

postProcess()

void Digikam::SharedLoadingTask::postProcess ( )

virtualinherited

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, Digikam::SharedLoadingTask::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 Digikam::SharedLoadingTask::execute(), and execute().

progressInfo()

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

overridevirtualinherited

Posts progress information about image IO

Reimplemented from Digikam::LoadingTask.

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

querySendNotifyEvent()

bool Digikam::SharedLoadingTask::querySendNotifyEvent ( ) const

overridevirtualinherited

Implements Digikam::LoadingProcessListener.

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

removeListener()

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

overridevirtualinherited

Implements Digikam::LoadingProcess.

References Digikam::SharedLoadingTask::m_listeners.

setResult()

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

overridevirtualinherited

Implements Digikam::LoadingProcessListener.

References Digikam::SharedLoadingTask::img(), Digikam::LoadingTask::loadingDescription(), Digikam::SharedLoadingTask::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

protectedinherited

Referenced by Digikam::SharedLoadingTask::accessMode(), and Digikam::SharedLoadingTask::SharedLoadingTask().

m_completed

volatile bool Digikam::SharedLoadingTask::m_completed

protectedinherited

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

m_img

DImg Digikam::SharedLoadingTask::m_img

protectedinherited

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

m_listeners

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

protectedinherited

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

m_loadingDescription

LoadingDescription Digikam::LoadingTask::m_loadingDescription

protectedinherited

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

m_loadingTaskStatus

volatile LoadingTaskStatus Digikam::LoadingTask::m_loadingTaskStatus

protectedinherited

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

m_thread

LoadSaveThread* Digikam::LoadSaveTask::m_thread

protectedinherited

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

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

• core/libs/threadimageio/preview/previewtask.h
• core/libs/threadimageio/preview/previewtask.cpp