#include <KisImageThumbnailStrokeStrategy.h>

Inheritance diagram for KisImageThumbnailStrokeStrategyBase:

Public Member Functions
	KisImageThumbnailStrokeStrategyBase (KisPaintDeviceSP device, const QRect &rect, const QSize &thumbnailSize, bool isPixelArt, const KoColorProfile *profile, KoColorConversionTransformation::Intent renderingIntent, KoColorConversionTransformation::ConversionFlags conversionFlags)

	~KisImageThumbnailStrokeStrategyBase () override

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 ()

Protected Member Functions
virtual void	reportThumbnailGenerationCompleted (KisPaintDeviceSP device, const QRect &rect)=0

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)

Protected Attributes
KoColorConversionTransformation::ConversionFlags	m_conversionFlags

const KoColorProfile *	m_profile

KoColorConversionTransformation::Intent	m_renderingIntent

Private Member Functions
void	initStrokeCallback () override

Private Attributes
KisPaintDeviceSP	m_device

bool	m_isPixelArt {false}

QRect	m_rect

KisPaintDeviceSP	m_thumbnailDevice

QSize	m_thumbnailOversampledSize

QSize	m_thumbnailSize

Additional Inherited Members
Public Types inherited from KisSimpleStrokeStrategy
enum	JobType { JOB_INIT = 0 , JOB_CANCEL , JOB_FINISH , JOB_DOSTROKE , JOB_SUSPEND , JOB_RESUME , NJOBS }

Signals inherited from KisIdleTaskStrokeStrategy
void	sigIdleTaskFinished ()

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)

Detailed Description

Definition at line 24 of file KisImageThumbnailStrokeStrategy.h.

Constructor & Destructor Documentation

◆ KisImageThumbnailStrokeStrategyBase()

KisImageThumbnailStrokeStrategyBase::KisImageThumbnailStrokeStrategyBase	(	KisPaintDeviceSP	device,
		const QRect &	rect,
		const QSize &	thumbnailSize,
		bool	isPixelArt,
		const KoColorProfile *	profile,
		KoColorConversionTransformation::Intent	renderingIntent,
		KoColorConversionTransformation::ConversionFlags	conversionFlags )

Definition at line 24 of file KisImageThumbnailStrokeStrategy.cpp.

    : KisIdleTaskStrokeStrategy(QLatin1String("OverviewThumbnail"), kundo2_i18n("Update overview thumbnail")),
      m_device(device),
      m_rect(rect),
      m_thumbnailSize(thumbnailSize),
      m_isPixelArt(isPixelArt),
      m_profile(profile),
      m_renderingIntent(renderingIntent),
      m_conversionFlags(conversionFlags)
{
}

◆ ~KisImageThumbnailStrokeStrategyBase()

KisImageThumbnailStrokeStrategyBase::~KisImageThumbnailStrokeStrategyBase ( )

override

Definition at line 43 of file KisImageThumbnailStrokeStrategy.cpp.

44{

45}

Member Function Documentation

◆ initStrokeCallback()

void KisImageThumbnailStrokeStrategyBase::initStrokeCallback ( )

overrideprivatevirtual

Reimplemented from KisIdleTaskStrokeStrategy.

Definition at line 47 of file KisImageThumbnailStrokeStrategy.cpp.

{
    using KritaUtils::addJobConcurrent;
    using KritaUtils::addJobSequential;
    KisIdleTaskStrokeStrategy::initStrokeCallback();
 
    const QRect imageRect = m_device->defaultBounds()->bounds();
 
    m_thumbnailOversampledSize = oversample * m_thumbnailSize;
 
    if ((m_thumbnailOversampledSize.width() > imageRect.width()) || (m_thumbnailOversampledSize.height() > imageRect.height())) {
        m_thumbnailOversampledSize.scale(imageRect.size(), Qt::KeepAspectRatio);
    }
 
    m_thumbnailDevice = new KisPaintDevice(m_device->colorSpace());
 
    QVector<KisRunnableStrokeJobData*> jobs;
 
    QVector<QRect> tileRects = KritaUtils::splitRectIntoPatches(QRect(QPoint(0, 0), m_thumbnailOversampledSize), QSize(thumbnailTileDim, thumbnailTileDim));
    Q_FOREACH (const QRect &rc, tileRects) {
        addJobConcurrent(jobs, [this, tileRect = rc] () {
            //we aren't going to use oversample capability of createThumbnailDevice because it recomputes exact bounds for each small patch, which is
            //slow. We'll handle scaling separately.
            KisPaintDeviceSP thumbnailTile = m_device->createThumbnailDeviceOversampled(m_thumbnailOversampledSize.width(), m_thumbnailOversampledSize.height(), 1, m_device->defaultBounds()->bounds(), tileRect);
            KisPainter::copyAreaOptimized(tileRect.topLeft(), thumbnailTile, m_thumbnailDevice, tileRect);
        });
    }
 
    addJobSequential(jobs, [this] () {
        KoDummyUpdaterHolder updaterHolder;
        qreal xscale = m_thumbnailSize.width() / (qreal)m_thumbnailOversampledSize.width();
        qreal yscale = m_thumbnailSize.height() / (qreal)m_thumbnailOversampledSize.height();
        QString algorithm = m_isPixelArt ? "Box" : "Bilinear";
        KisTransformWorker worker(m_thumbnailDevice, xscale, yscale, 0.0, 0.0, 0.0, 0.0, 0.0,
                                  updaterHolder.updater(), KisFilterStrategyRegistry::instance()->value(algorithm));
        worker.run();
 
        reportThumbnailGenerationCompleted(m_thumbnailDevice, QRect(QPoint(0,0), m_thumbnailSize));
    });
 
    runnableJobsInterface()->addRunnableJobs(jobs);
}