ThumbnailsStroke Struct Reference

Inheritance diagram for ThumbnailsStroke:

Signals
void	sigThumbnailGenerated (KisNodeSP node, int maxSize, int seqNo, const QImage &thumb)
Signals inherited from KisIdleTaskStrokeStrategy
void	sigIdleTaskFinished ()

Public Member Functions
void	initStrokeCallback () override
	ThumbnailsStroke (KisImageSP image, int maxSize, const QMap< KisNodeWSP, ThumbnailRecord > &cache)
Public Member Functions inherited from KisIdleTaskStrokeStrategy
KisStrokeStrategy *	createLodClone (int levelOfDetail) override
QWeakPointer< boost::none_t >	idleTaskCookie ()
	KisIdleTaskStrokeStrategy (const QLatin1String &id, const KUndo2MagicString &name=KUndo2MagicString())
	~KisIdleTaskStrokeStrategy ()
Public Member Functions inherited from KisRunnableBasedStrokeStrategy
void	doStrokeCallback (KisStrokeJobData *data) override
	KisRunnableBasedStrokeStrategy (const KisRunnableBasedStrokeStrategy &rhs)
	KisRunnableBasedStrokeStrategy (const QLatin1String &id, const KUndo2MagicString &name=KUndo2MagicString())
KisRunnableStrokeJobsInterface *	runnableJobsInterface () const
	~KisRunnableBasedStrokeStrategy ()
Public Member Functions inherited from KisSimpleStrokeStrategy
virtual void	cancelStrokeCallback ()
KisStrokeJobData *	createCancelData () override
KisStrokeJobStrategy *	createCancelStrategy () override
KisStrokeJobStrategy *	createDabStrategy () override
KisStrokeJobData *	createFinishData () override
KisStrokeJobStrategy *	createFinishStrategy () override
KisStrokeJobData *	createInitData () override
KisStrokeJobStrategy *	createInitStrategy () override
KisStrokeJobData *	createResumeData () override
KisStrokeJobStrategy *	createResumeStrategy () override
KisStrokeJobData *	createSuspendData () override
KisStrokeJobStrategy *	createSuspendStrategy () override
	KisSimpleStrokeStrategy (const QLatin1String &id, const KUndo2MagicString &name=KUndo2MagicString())
virtual void	resumeStrokeCallback ()
virtual void	suspendStrokeCallback ()
Public Member Functions inherited from KisStrokeStrategy
qreal	balancingRatioOverride () const
bool	canForgetAboutMe () const
bool	clearsRedoOnStart () const
KisLodPreferences	currentLodPreferences () const
bool	forceLodModeIfPossible () const
QString	id () const
bool	isAsynchronouslyCancellable () const
bool	isExclusive () const
	KisStrokeStrategy (const QLatin1String &id, const KUndo2MagicString &name=KUndo2MagicString())
KUndo2MagicString	name () const
bool	needsExplicitCancel () const
virtual void	notifyUserEndedStroke ()
virtual void	notifyUserStartedStroke ()
bool	requestsOtherStrokesToEnd () const
void	setForceLodModeIfPossible (bool forceLodModeIfPossible)
void	setMutatedJobsInterface (KisStrokesQueueMutatedJobInterface *mutatedJobsInterface, KisStrokeId strokeId)
bool	supportsWrapAroundMode () const
virtual void	tryCancelCurrentStrokeJobAsync ()
	tryCancelCurrentStrokeJobAsync is called by the strokes queue when the stroke is being cancelled. The stroke strategy may or may not handle this request and cancel the currently running long action.
virtual	~KisStrokeStrategy ()

Private Attributes
QMap< KisNodeWSP, ThumbnailRecord >	m_cache
int	m_maxSize
KisNodeSP	m_root

Additional Inherited Members
Public Types inherited from KisSimpleStrokeStrategy
enum	JobType {   JOB_INIT = 0 , JOB_CANCEL , JOB_FINISH , JOB_DOSTROKE ,   JOB_SUSPEND , JOB_RESUME , NJOBS }
Static Public Member Functions inherited from KisIdleTaskStrokeStrategy
static int	preferredIdleTaskMaximumTime ()
static int	preferredIdleWatcherInterval ()
Static Public Member Functions inherited from KisSimpleStrokeStrategy
static QLatin1String	jobTypeToString (JobType type)
Protected Member Functions inherited from KisIdleTaskStrokeStrategy
void	finishStrokeCallback () override
Protected Member Functions inherited from KisSimpleStrokeStrategy
void	enableJob (JobType type, bool enable=true, KisStrokeJobData::Sequentiality sequentiality=KisStrokeJobData::SEQUENTIAL, KisStrokeJobData::Exclusivity exclusivity=KisStrokeJobData::NORMAL)
	KisSimpleStrokeStrategy (const KisSimpleStrokeStrategy &rhs)
Protected Member Functions inherited from KisStrokeStrategy
void	addMutatedJob (KisStrokeJobData *data)
void	addMutatedJobs (const QVector< KisStrokeJobData * > list)
	KisStrokeStrategy (const KisStrokeStrategy &rhs)
void	setAsynchronouslyCancellable (bool value)
void	setBalancingRatioOverride (qreal value)
void	setCanForgetAboutMe (bool value)
void	setClearsRedoOnStart (bool value)
void	setExclusive (bool value)
void	setNeedsExplicitCancel (bool value)
void	setRequestsOtherStrokesToEnd (bool value)
void	setSupportsWrapAroundMode (bool value)

Detailed Description

Definition at line 24 of file KisLayerThumbnailCache.cpp.

Constructor & Destructor Documentation

ThumbnailsStroke()

ThumbnailsStroke::ThumbnailsStroke ( KisImageSP image, int maxSize, const QMap< KisNodeWSP, ThumbnailRecord > & cache )

inline

Definition at line 29 of file KisLayerThumbnailCache.cpp.

        : KisIdleTaskStrokeStrategy(QLatin1String("layer-thumbnails-stroke"), kundo2_i18n("Update layer thumbnails"))
        , m_root(image->root())
        , m_maxSize(maxSize)
        , m_cache(cache)
    {
        // thread-safety!
        m_cache.detach();
    }

References m_cache.

Member Function Documentation

initStrokeCallback()

void ThumbnailsStroke::initStrokeCallback ( )

inlineoverridevirtual

Reimplemented from KisIdleTaskStrokeStrategy.

Definition at line 39 of file KisLayerThumbnailCache.cpp.

    {
        KisIdleTaskStrokeStrategy::initStrokeCallback();
 
        using KisLayerUtils::recursiveApplyNodes;
        using KritaUtils::addJobConcurrent;
 
        QVector<KisRunnableStrokeJobData*> jobs;
        recursiveApplyNodes(m_root, [&jobs, this] (KisNodeSP node) {
 
 
            if (!node->parent()) return;
            if (node->isFakeNode()) return;
 
            bool shouldRegenerateThumbnail = false;
 
            auto it = m_cache.find(node);
 
            if (it != m_cache.end()) {
                ThumbnailRecord rec = *it;
 
                if (rec.seqNo != node->thumbnailSeqNo() ||
                    rec.maxSize != m_maxSize) {
 
                    shouldRegenerateThumbnail = true;
                }
            } else {
                shouldRegenerateThumbnail = true;
            }
 
            if (shouldRegenerateThumbnail) {
                addJobConcurrent(jobs, [node, this] () mutable {
                    QImage image = node->createThumbnail(m_maxSize, m_maxSize, Qt::KeepAspectRatio);
                    this->sigThumbnailGenerated(node, node->thumbnailSeqNo(), m_maxSize, image);
                });
            }
        });
 
        runnableJobsInterface()->addRunnableJobs(jobs);
    }

References KritaUtils::addJobConcurrent(), KisRunnableStrokeJobsInterface::addRunnableJobs(), KisBaseNode::createThumbnail(), KisIdleTaskStrokeStrategy::initStrokeCallback(), KisBaseNode::isFakeNode(), m_cache, m_maxSize, m_root, KisNode::parent, KisLayerUtils::recursiveApplyNodes(), KisRunnableBasedStrokeStrategy::runnableJobsInterface(), sigThumbnailGenerated(), and KisBaseNode::thumbnailSeqNo().

sigThumbnailGenerated

void ThumbnailsStroke::sigThumbnailGenerated ( KisNodeSP node, int maxSize, int seqNo, const QImage & thumb )

signal

Member Data Documentation

m_cache

QMap<KisNodeWSP, ThumbnailRecord> ThumbnailsStroke::m_cache

private

Definition at line 86 of file KisLayerThumbnailCache.cpp.

m_maxSize

int ThumbnailsStroke::m_maxSize

private

Definition at line 85 of file KisLayerThumbnailCache.cpp.

m_root

KisNodeSP ThumbnailsStroke::m_root

private

Definition at line 84 of file KisLayerThumbnailCache.cpp.

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The documentation for this struct was generated from the following file:

• libs/ui/KisLayerThumbnailCache.cpp