KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData Class Reference

#include <kis_color_sampler_stroke_strategy.h>

Inheritance diagram for KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData:

Public Member Functions
QWeakPointer< boost::none_t >	cookie ()
KisStrokeJobData *	createLodClone (int levelOfDetail) override
	GenerateCanvasZoomPreviewData (KisPaintDeviceSP _canvasDev, const QRect &_canvasPixelRect, KisDisplayColorConverter *_colorConverter, QSize _outputSize=QSize(), QSharedPointer< boost::none_t > _cookie=nullptr)
void	swapCookie (QSharedPointer< boost::none_t > &newCookie)
Public Member Functions inherited from KisStrokeJobData
Exclusivity	exclusivity ()
bool	isBarrier () const
bool	isCancellable () const
bool	isExclusive () const
bool	isSequential () const
	KisStrokeJobData (Sequentiality sequentiality=SEQUENTIAL, Exclusivity exclusivity=NORMAL)
int	levelOfDetailOverride () const
Sequentiality	sequentiality ()
void	setCancellable (bool value)
void	setLevelOfDetailOverride (int value)
virtual	~KisStrokeJobData ()

Public Attributes
KisPaintDeviceSP	canvasDev
QRect	canvasPixelRect
KisDisplayColorConverter *	colorConverter
QSize	outputSize
QSharedPointer< boost::none_t >	strokeCookie

Additional Inherited Members
Public Types inherited from KisStrokeJobData
enum	Exclusivity { NORMAL , EXCLUSIVE }
enum	Sequentiality { CONCURRENT , SEQUENTIAL , BARRIER , UNIQUELY_CONCURRENT }
Protected Member Functions inherited from KisStrokeJobData
	KisStrokeJobData (const KisStrokeJobData &rhs)

Detailed Description

Definition at line 50 of file kis_color_sampler_stroke_strategy.h.

Constructor & Destructor Documentation

GenerateCanvasZoomPreviewData()

KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData::GenerateCanvasZoomPreviewData ( KisPaintDeviceSP _canvasDev, const QRect & _canvasPixelRect, KisDisplayColorConverter * _colorConverter, QSize _outputSize = QSize(), QSharedPointer< boost::none_t > _cookie = nullptr )

inline

Definition at line 52 of file kis_color_sampler_stroke_strategy.h.

            : canvasDev(_canvasDev), canvasPixelRect(_canvasPixelRect), colorConverter(_colorConverter),
            outputSize(_outputSize), strokeCookie(_cookie)
        {}

Member Function Documentation

cookie()

QWeakPointer< boost::none_t > KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData::cookie ( )

inline

Definition at line 83 of file kis_color_sampler_stroke_strategy.h.

                                           {
            strokeCookie.reset(new boost::none_t(boost::none));
            return strokeCookie;
        }

References strokeCookie.

createLodClone()

KisStrokeJobData * KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData::createLodClone ( int levelOfDetail )

inlineoverridevirtual

Reimplemented from KisStrokeJobData.

Definition at line 58 of file kis_color_sampler_stroke_strategy.h.

                                                                     {
            KisLodTransform transform(levelOfDetail);
            QRect lodPixelRect = transform.map(canvasPixelRect);
 
            // The LOD pixel rect size should be odd so that the pixel sampled is in the center
            // Otherwise, even after scaling back, it will be wrong
            if (lodPixelRect.width() % 2 == 0) {
                int oddSize = lodPixelRect.width() - 1;
                if (oddSize < 3) oddSize = 3;
                lodPixelRect.setSize(QSize(oddSize, oddSize));
            }
            lodPixelRect.moveCenter(transform.map(canvasPixelRect.center()));
 
            // When instant preview mode is on, canvas is scaled down. Therefore, sample the canvas with the scaled LOD rect
            // But the data returned needs to be the original requested size
            GenerateCanvasZoomPreviewData *newData =
                new GenerateCanvasZoomPreviewData(canvasDev, lodPixelRect, colorConverter, canvasPixelRect.size());
 
            // When Lod is involved, swap the cookie to the new Lod clone to track execution
            // The original object seems to leaks
            newData->swapCookie(strokeCookie);
 
            return newData;
        }

References canvasDev, canvasPixelRect, colorConverter, GenerateCanvasZoomPreviewData(), KisLodTransform::map(), strokeCookie, and swapCookie().

swapCookie()

void KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData::swapCookie ( QSharedPointer< boost::none_t > & newCookie )

inline

Definition at line 88 of file kis_color_sampler_stroke_strategy.h.

                                                                {
            strokeCookie.swap(newCookie);
        }

References strokeCookie.

Member Data Documentation

canvasDev

KisPaintDeviceSP KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData::canvasDev

Definition at line 92 of file kis_color_sampler_stroke_strategy.h.

canvasPixelRect

QRect KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData::canvasPixelRect

Definition at line 93 of file kis_color_sampler_stroke_strategy.h.

colorConverter

KisDisplayColorConverter* KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData::colorConverter

Definition at line 94 of file kis_color_sampler_stroke_strategy.h.

outputSize

QSize KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData::outputSize

Definition at line 95 of file kis_color_sampler_stroke_strategy.h.

strokeCookie

QSharedPointer<boost::none_t> KisColorSamplerStrokeStrategy::GenerateCanvasZoomPreviewData::strokeCookie

Definition at line 96 of file kis_color_sampler_stroke_strategy.h.

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

• libs/ui/tool/strokes/kis_color_sampler_stroke_strategy.h