#include <KisChannelsThumbnailsStrokeStrategy.h>

Inheritance diagram for KisChannelsThumbnailsStrokeStrategy:

Signals
void	thumbnailsUpdated (const QVector< QImage > &channels, const KoColorSpace *cs)

Signals inherited from KisIdleTaskStrokeStrategy
void	sigIdleTaskFinished ()

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

Public Member Functions inherited from KisImageThumbnailStrokeStrategyBase
	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
void	reportThumbnailGenerationCompleted (KisPaintDeviceSP device, const QRect &rect) override

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)

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 Attributes inherited from KisImageThumbnailStrokeStrategyBase
KoColorConversionTransformation::ConversionFlags	m_conversionFlags

const KoColorProfile *	m_profile

KoColorConversionTransformation::Intent	m_renderingIntent

Detailed Description

Definition at line 13 of file KisChannelsThumbnailsStrokeStrategy.h.

Member Function 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 28 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)
{
}

◆ reportThumbnailGenerationCompleted()

void KisChannelsThumbnailsStrokeStrategy::reportThumbnailGenerationCompleted	(	KisPaintDeviceSP	device,
		const QRect &	rect )

overrideprotectedvirtual

Implements KisImageThumbnailStrokeStrategyBase.

Definition at line 22 of file KisChannelsThumbnailsStrokeStrategy.cpp.

{
    const KoColorSpace* cs = device->colorSpace();
    const int channelCount = cs->channelCount();
    const QSize thumbnailSize = rect.size();
    const bool invert = (cs->colorModelId() == CMYKAColorModelID);
 
    QVector<QImage> thumbnails;
    thumbnails.reserve(channelCount);
    for (int i = 0; i < channelCount; i++) {
        thumbnails.push_back(QImage(thumbnailSize, QImage::Format_Grayscale8));
    }
 
    KisSequentialConstIterator it(device, QRect(0, 0, thumbnailSize.width(), thumbnailSize.height()));
 
    for (int y = 0; y < thumbnailSize.height(); y++) {
        for (int x = 0; x < thumbnailSize.width(); x++) {
            it.nextPixel();
            const quint8* pixel = it.rawDataConst();
            for (int chan = 0; chan < channelCount; ++chan) {
                QImage &img = thumbnails[chan];
                if (invert) {
                    *(img.scanLine(y) + x) = 255 - cs->scaleToU8(pixel, chan);
                }
                else {
                    *(img.scanLine(y) + x) = cs->scaleToU8(pixel, chan);
                }
            }
        }
    }
 
    Q_EMIT thumbnailsUpdated(thumbnails, cs);
}

References KoColorSpace::channelCount(), CMYKAColorModelID, KoColorSpace::colorModelId(), KisPaintDevice::colorSpace(), KisSequentialIteratorBase< IteratorPolicy, SourcePolicy, ProgressPolicy >::nextPixel(), KisSequentialIteratorBase< IteratorPolicy, SourcePolicy, ProgressPolicy >::rawDataConst(), KoColorSpace::scaleToU8(), and thumbnailsUpdated().

◆ thumbnailsUpdated

void KisChannelsThumbnailsStrokeStrategy::thumbnailsUpdated	(	const QVector< QImage > &	channels,
		const KoColorSpace *	cs )

signal

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

plugins/dockers/channeldocker/KisChannelsThumbnailsStrokeStrategy.h
plugins/dockers/channeldocker/KisChannelsThumbnailsStrokeStrategy.cpp

Signals

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ KisImageThumbnailStrokeStrategyBase()

◆ reportThumbnailGenerationCompleted()

◆ thumbnailsUpdated