KisLiquifyTransformStrategy Class Reference

#include <kis_liquify_transform_strategy.h>

Inheritance diagram for KisLiquifyTransformStrategy:

Classes
struct	Private

Signals
void	requestCanvasUpdate ()
void	requestCursorOutlineUpdate (const QPointF &imagePoint)
void	requestImageRecalculation ()
void	requestUpdateOptionWidget ()

Public Member Functions
bool	acceptsClicks () const override
void	activateAlternateAction (KisTool::AlternateAction action) override
bool	beginAlternateAction (KoPointerEvent *event, KisTool::AlternateAction action) override
bool	beginPrimaryAction (KoPointerEvent *event) override
void	continueAlternateAction (KoPointerEvent *event, KisTool::AlternateAction action) override
void	continuePrimaryAction (KoPointerEvent *event) override
void	deactivateAlternateAction (KisTool::AlternateAction action) override
void	decreaseBrushSize (KoCanvasBase *canvas) override
bool	endAlternateAction (KoPointerEvent *event, KisTool::AlternateAction action) override
bool	endPrimaryAction (KoPointerEvent *event) override
void	externalConfigChanged () override
QCursor	getCurrentCursor () const override
QPainterPath	getCursorOutline () const override
void	hoverActionCommon (KoPointerEvent *event) override
void	increaseBrushSize (KoCanvasBase *canvas) override
	KisLiquifyTransformStrategy (const KisCoordinatesConverter *converter, ToolTransformArgs &currentArgs, TransformTransactionProperties &transaction, const KoCanvasResourceProvider *manager)
void	paint (QPainter &gc, const KoColorDisplayRendererInterface *displayRendererInterface) override
void	setTransformFunction (const QPointF &mousePos, bool perspectiveModifierActive, bool shiftModifierActive)
	~KisLiquifyTransformStrategy () override
Public Member Functions inherited from KisTransformStrategyBase
virtual void	activatePrimaryAction ()
virtual void	deactivatePrimaryAction ()
virtual int	decorationThickness () const
	KisTransformStrategyBase ()
QImage	originalImage () const
virtual void	setDecorationThickness (int thickness)
void	setThumbnailImage (const QImage &image, QTransform thumbToImageTransform)
QTransform	thumbToImageTransform () const
	~KisTransformStrategyBase () override

Private Member Functions
void	changeBrushSize (KoCanvasBase *canvas, bool increase)

Private Attributes
const QScopedPointer< Private >	m_d

Detailed Description

Definition at line 23 of file kis_liquify_transform_strategy.h.

Constructor & Destructor Documentation

KisLiquifyTransformStrategy()

KisLiquifyTransformStrategy::KisLiquifyTransformStrategy	(	const KisCoordinatesConverter *	converter,
		ToolTransformArgs &	currentArgs,
		TransformTransactionProperties &	transaction,
		const KoCanvasResourceProvider *	manager )

Definition at line 87 of file kis_liquify_transform_strategy.cpp.

    : m_d(new Private(this, converter, currentArgs, transaction, manager))
{
}

~KisLiquifyTransformStrategy()

KisLiquifyTransformStrategy::~KisLiquifyTransformStrategy ( )

override

Definition at line 96 of file kis_liquify_transform_strategy.cpp.

{
}

Member Function Documentation

acceptsClicks()

bool KisLiquifyTransformStrategy::acceptsClicks ( ) const

overridevirtual

Reimplemented from KisTransformStrategyBase.

Definition at line 142 of file kis_liquify_transform_strategy.cpp.

{
    return true;
}

activateAlternateAction()

void KisLiquifyTransformStrategy::activateAlternateAction ( KisTool::AlternateAction action )

overridevirtual

Reimplemented from KisTransformStrategyBase.

Definition at line 185 of file kis_liquify_transform_strategy.cpp.

{
    if (action == KisTool::SampleFgNode || action == KisTool::SampleBgNode ||
        action == KisTool::SampleFgImage || action == KisTool::SampleBgImage) {
 
        KisLiquifyProperties *props = m_d->currentArgs.liquifyProperties();
        props->setReverseDirection(!props->reverseDirection());
        Q_EMIT requestUpdateOptionWidget();
    }
}

References m_d, requestUpdateOptionWidget(), KisLiquifyProperties::reverseDirection(), KisTool::SampleBgImage, KisTool::SampleBgNode, KisTool::SampleFgImage, KisTool::SampleFgNode, and KisLiquifyProperties::setReverseDirection().

beginAlternateAction()

bool KisLiquifyTransformStrategy::beginAlternateAction ( KoPointerEvent * event, KisTool::AlternateAction action )

overridevirtual

Reimplemented from KisTransformStrategyBase.

Definition at line 207 of file kis_liquify_transform_strategy.cpp.

{
    m_d->lastDocPos = event->point;
    if (action == KisTool::ChangeSize || action == KisTool::ChangeSizeSnap) {
        QPointF widgetPoint = m_d->converter->documentToWidget(event->point);
        m_d->lastMouseWidgetPos = widgetPoint;
        m_d->startResizeImagePos = m_d->converter->documentToImage(event->point);
        m_d->startResizeGlobalCursorPos = event->globalPos();
        return true;
    } else if (action == KisTool::SampleFgNode || action == KisTool::SampleBgNode ||
               action == KisTool::SampleFgImage || action == KisTool::SampleBgImage) {
 
        return beginPrimaryAction(event);
    }
 
    return false;
}

References beginPrimaryAction(), KisTool::ChangeSize, KisTool::ChangeSizeSnap, m_d, KoPointerEvent::point, KisTool::SampleBgImage, KisTool::SampleBgNode, KisTool::SampleFgImage, and KisTool::SampleFgNode.

beginPrimaryAction()

bool KisLiquifyTransformStrategy::beginPrimaryAction ( KoPointerEvent * event )

overridevirtual

Implements KisTransformStrategyBase.

Definition at line 147 of file kis_liquify_transform_strategy.cpp.

{
    m_d->lastDocPos = event->point;
    m_d->helper.configurePaintOp(*m_d->currentArgs.liquifyProperties(), m_d->currentArgs.liquifyWorker());
    m_d->helper.startPaint(event, m_d->manager);
 
    m_d->recalculateTransformations();
 
    return true;
}

References m_d.

changeBrushSize()

void KisLiquifyTransformStrategy::changeBrushSize ( KoCanvasBase * canvas, bool increase )

private

Definition at line 278 of file kis_liquify_transform_strategy.cpp.

{
    KisLiquifyProperties *props = m_d->currentArgs.liquifyProperties();
    qreal oldSize = props->size();
 
    int newSize;
    if (increase) {
        newSize = m_d->standardBrushSizes.increaseBrushSize(oldSize);
    } else {
        newSize = m_d->standardBrushSizes.decreaseBrushSize(oldSize);
    }
 
    props->setSize(newSize);
    KisToolUtils::showBrushSizeFloatingMessage(canvas, newSize);
    Q_EMIT requestCursorOutlineUpdate( m_d->converter->documentToImage(m_d->lastDocPos));
    Q_EMIT requestUpdateOptionWidget();
}

References m_d, requestCursorOutlineUpdate(), requestUpdateOptionWidget(), KisLiquifyProperties::setSize(), KisToolUtils::showBrushSizeFloatingMessage(), and KisLiquifyProperties::size().

continueAlternateAction()

void KisLiquifyTransformStrategy::continueAlternateAction ( KoPointerEvent * event, KisTool::AlternateAction action )

overridevirtual

Reimplemented from KisTransformStrategyBase.

Definition at line 225 of file kis_liquify_transform_strategy.cpp.

{
    m_d->lastDocPos = event->point;
    if (action == KisTool::ChangeSize || action == KisTool::ChangeSizeSnap) {
        QPointF widgetPoint = m_d->converter->documentToWidget(event->point);
 
        QPointF diff = widgetPoint - m_d->lastMouseWidgetPos;
 
        KisLiquifyProperties *props = m_d->currentArgs.liquifyProperties();
        const qreal linearizedOffset = diff.x() / KisTransformUtils::scaleFromAffineMatrix(m_d->converter->imageToWidgetTransform());
        const qreal newSize = qBound(props->minSize(), props->size() + linearizedOffset, props->maxSize());
        if (action == KisTool::ChangeSizeSnap) {
            props->setSize(floor(newSize));
        } else {
            props->setSize(newSize);
        }
        m_d->currentArgs.saveLiquifyTransformMode();
 
        m_d->lastMouseWidgetPos = widgetPoint;
 
        Q_EMIT requestCursorOutlineUpdate(m_d->startResizeImagePos);
    } else if (action == KisTool::SampleFgNode || action == KisTool::SampleBgNode ||
               action == KisTool::SampleFgImage || action == KisTool::SampleBgImage) {
 
        return continuePrimaryAction(event);
    }
}

References KisTool::ChangeSize, KisTool::ChangeSizeSnap, continuePrimaryAction(), m_d, KisLiquifyProperties::maxSize(), KisLiquifyProperties::minSize(), KoPointerEvent::point, requestCursorOutlineUpdate(), KisTool::SampleBgImage, KisTool::SampleBgNode, KisTool::SampleFgImage, KisTool::SampleFgNode, KisTransformUtils::scaleFromAffineMatrix(), KisLiquifyProperties::setSize(), and KisLiquifyProperties::size().

continuePrimaryAction()

void KisLiquifyTransformStrategy::continuePrimaryAction ( KoPointerEvent * event )

overridevirtual

Implements KisTransformStrategyBase.

Definition at line 158 of file kis_liquify_transform_strategy.cpp.

{
    m_d->lastDocPos = event->point;
    m_d->helper.continuePaint(event);
 
    // the updates should be compressed
    m_d->recalculateOnNextRedraw = true;
    Q_EMIT requestCanvasUpdate();
}

References m_d, and requestCanvasUpdate().

deactivateAlternateAction()

void KisLiquifyTransformStrategy::deactivateAlternateAction ( KisTool::AlternateAction action )

overridevirtual

Reimplemented from KisTransformStrategyBase.

Definition at line 196 of file kis_liquify_transform_strategy.cpp.

{
    if (action == KisTool::SampleFgNode || action == KisTool::SampleBgNode ||
        action == KisTool::SampleFgImage || action == KisTool::SampleBgImage) {
 
        KisLiquifyProperties *props = m_d->currentArgs.liquifyProperties();
        props->setReverseDirection(!props->reverseDirection());
        Q_EMIT requestUpdateOptionWidget();
    }
}

References m_d, requestUpdateOptionWidget(), KisLiquifyProperties::reverseDirection(), KisTool::SampleBgImage, KisTool::SampleBgNode, KisTool::SampleFgImage, KisTool::SampleFgNode, and KisLiquifyProperties::setReverseDirection().

decreaseBrushSize()

void KisLiquifyTransformStrategy::decreaseBrushSize ( KoCanvasBase * canvas )

overridevirtual

Reimplemented from KisTransformStrategyBase.

Definition at line 273 of file kis_liquify_transform_strategy.cpp.

{
    changeBrushSize(canvas, false);
}

References changeBrushSize().

endAlternateAction()

bool KisLiquifyTransformStrategy::endAlternateAction ( KoPointerEvent * event, KisTool::AlternateAction action )

overridevirtual

Reimplemented from KisTransformStrategyBase.

Definition at line 253 of file kis_liquify_transform_strategy.cpp.

{
    m_d->lastDocPos = event->point;
 
    if (action == KisTool::ChangeSize || action == KisTool::ChangeSizeSnap) {
        KisToolUtils::setCursorPos(m_d->startResizeGlobalCursorPos);
        return true;
    } else if (action == KisTool::SampleFgNode || action == KisTool::SampleBgNode ||
               action == KisTool::SampleFgImage || action == KisTool::SampleBgImage) {
        return endPrimaryAction(event);
    }
 
    return false;
}

References KisTool::ChangeSize, KisTool::ChangeSizeSnap, endPrimaryAction(), m_d, KisTool::SampleBgImage, KisTool::SampleBgNode, KisTool::SampleFgImage, KisTool::SampleFgNode, and KisToolUtils::setCursorPos().

endPrimaryAction()

bool KisLiquifyTransformStrategy::endPrimaryAction ( KoPointerEvent * event )

overridevirtual

Implements KisTransformStrategyBase.

Definition at line 168 of file kis_liquify_transform_strategy.cpp.

{
    m_d->lastDocPos = event->point;
    if (m_d->helper.endPaint(event)) {
        m_d->recalculateTransformations();
        Q_EMIT requestCanvasUpdate();
    }
 
    return true;
}

References m_d, and requestCanvasUpdate().

externalConfigChanged()

void KisLiquifyTransformStrategy::externalConfigChanged ( )

overridevirtual

Implements KisTransformStrategyBase.

Definition at line 136 of file kis_liquify_transform_strategy.cpp.

{
    if (!m_d->currentArgs.liquifyWorker()) return;
    m_d->recalculateTransformations();
}

References m_d.

getCurrentCursor()

QCursor KisLiquifyTransformStrategy::getCurrentCursor ( ) const

overridevirtual

Implements KisTransformStrategyBase.

Definition at line 112 of file kis_liquify_transform_strategy.cpp.

{
    return Qt::BlankCursor;
}

getCursorOutline()

QPainterPath KisLiquifyTransformStrategy::getCursorOutline ( ) const

overridevirtual

Reimplemented from KisTransformStrategyBase.

Definition at line 100 of file kis_liquify_transform_strategy.cpp.

{
    return m_d->helper.brushOutline(*m_d->currentArgs.liquifyProperties());
}

References m_d.

hoverActionCommon()

void KisLiquifyTransformStrategy::hoverActionCommon ( KoPointerEvent * event )

overridevirtual

Implements KisTransformStrategyBase.

Definition at line 179 of file kis_liquify_transform_strategy.cpp.

{
    m_d->lastDocPos = event->point;
    m_d->helper.hoverPaint(event);
}

References m_d.

increaseBrushSize()

void KisLiquifyTransformStrategy::increaseBrushSize ( KoCanvasBase * canvas )

overridevirtual

Reimplemented from KisTransformStrategyBase.

Definition at line 268 of file kis_liquify_transform_strategy.cpp.

{
    changeBrushSize(canvas, true);
}

References changeBrushSize().

paint()

void KisLiquifyTransformStrategy::paint ( QPainter & gc, const KoColorDisplayRendererInterface * displayRendererInterface )

overridevirtual

Implements KisTransformStrategyBase.

Definition at line 117 of file kis_liquify_transform_strategy.cpp.

{
    Q_UNUSED(displayRendererInterface)
    // Draw preview image
 
    if (m_d->recalculateOnNextRedraw) {
        m_d->recalculateTransformations();
        m_d->recalculateOnNextRedraw = false;
    }
 
    gc.save();
 
    gc.setOpacity(m_d->transaction.basePreviewOpacity());
    gc.setTransform(m_d->paintingTransform, true);
    gc.drawImage(m_d->paintingOffset, m_d->transformedImage);
 
    gc.restore();
}

References m_d.

requestCanvasUpdate

void KisLiquifyTransformStrategy::requestCanvasUpdate ( )

signal

requestCursorOutlineUpdate

void KisLiquifyTransformStrategy::requestCursorOutlineUpdate ( const QPointF & imagePoint )

signal

requestImageRecalculation

void KisLiquifyTransformStrategy::requestImageRecalculation ( )

signal

requestUpdateOptionWidget

void KisLiquifyTransformStrategy::requestUpdateOptionWidget ( )

signal

setTransformFunction()

void KisLiquifyTransformStrategy::setTransformFunction	(	const QPointF &	mousePos,
		bool	perspectiveModifierActive,
		bool	shiftModifierActive )

Definition at line 105 of file kis_liquify_transform_strategy.cpp.

{
    Q_UNUSED(mousePos);
    Q_UNUSED(perspectiveModifierActive);
    Q_UNUSED(shiftModifierActive);
}

Member Data Documentation

m_d

const QScopedPointer<Private> KisLiquifyTransformStrategy::m_d

private

Definition at line 66 of file kis_liquify_transform_strategy.h.

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

• plugins/tools/tool_transform2/kis_liquify_transform_strategy.h
• plugins/tools/tool_transform2/kis_liquify_transform_strategy.cpp