PolygonPointView Class Reference

Description

This is a View of polygon point for PolygonMaskItem.

Definition at line 24 of file PolygonPointView.h.

Inheritance diagram for PolygonPointView:

Collaboration diagram for PolygonPointView:

Signals
void	closePolygonRequest (bool)
void	propertyChanged ()

Public Member Functions
	PolygonPointView (PolygonPointItem *item)
	~PolygonPointView () override
virtual void	addView (IShape2DView *childView, int row=0)
QRectF	boundingRect () const override
SessionItem *	parameterizedItem () const override
void	setSceneAdaptor (const ISceneAdaptor *adaptor)
int	type () const override
void	updateParameterizedItem (const QPointF &pos)

Protected Slots
virtual void	onChangedX ()
virtual void	onChangedY ()
void	onPropertyChange () override
void	update_view () override

Protected Member Functions
bool	blockOnProperty () const
void	disconnectFromItem (SessionItem *item)
qreal	fromSceneX (qreal value) const
	convert scene coordinates to ColorMap plot coordinates More...
qreal	fromSceneY (qreal value) const
void	hoverEnterEvent (QGraphicsSceneHoverEvent *event) override
void	hoverLeaveEvent (QGraphicsSceneHoverEvent *event) override
QPainterPath	maskedShape () const
	Returns the shape with all masking already applied. More...
void	mouseMoveEvent (QGraphicsSceneMouseEvent *event) override
void	paint (QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) override
void	setBlockOnProperty (bool value)
qreal	toSceneX (qreal value) const
qreal	toSceneY (qreal value) const

Protected Attributes
const ISceneAdaptor *	m_adaptor
bool	m_block_on_property_change
QRectF	m_bounding_rect

Private Member Functions
void	onItemDestroyed () override
void	onItemPropertyChange (const QString &propertyName)

Private Attributes
PolygonPointItem *	m_item
bool	m_on_hover

Constructor & Destructor Documentation

PolygonPointView()

PolygonPointView::PolygonPointView ( PolygonPointItem *  item )

explicit

Definition at line 20 of file PolygonPointView.cpp.

    : IShape2DView(item)
    , m_item(item)
    , m_on_hover(false)
{
    setFlag(QGraphicsItem::ItemIsMovable);
    setFlag(QGraphicsItem::ItemSendsGeometryChanges);
}

~PolygonPointView()

PolygonPointView::~PolygonPointView ( )

override

Definition at line 29 of file PolygonPointView.cpp.

{
    disconnectFromItem(m_item);
}

References IShape2DView::disconnectFromItem(), and m_item.

Here is the call graph for this function:

Member Function Documentation

addView()

void IShape2DView::addView ( IShape2DView *  childView, int  row = 0  )

virtualinherited

Reimplemented in PolygonView.

Definition at line 129 of file IShape2DView.cpp.

{
    if (!childItems().contains(childView))
        childView->setParentItem(this);
}

Referenced by MaskGraphicsScene::updateViews().

blockOnProperty()

bool IShape2DView::blockOnProperty ( ) const

protectedinherited

Definition at line 140 of file IShape2DView.cpp.

{
    return m_block_on_property_change;
}

References IShape2DView::m_block_on_property_change.

boundingRect()

QRectF PolygonPointView::boundingRect ( ) const

override

Definition at line 34 of file PolygonPointView.cpp.

{
    return QRectF(-4, -4, 8, 8);
}

Referenced by paint().

closePolygonRequest

void PolygonPointView::closePolygonRequest ( bool  )

signal

Referenced by PolygonView::addView(), hoverEnterEvent(), and hoverLeaveEvent().

disconnectFromItem()

void IShape2DView::disconnectFromItem ( SessionItem *  item )

protectedinherited

Definition at line 145 of file IShape2DView.cpp.

{
    if (item)
        item->mapper()->unsubscribe(this);
}

References SessionItem::mapper(), and ModelMapper::unsubscribe().

Referenced by EllipseView::~EllipseView(), HorizontalLineView::~HorizontalLineView(), MaskAllView::~MaskAllView(), MaskContainerView::~MaskContainerView(), ~PolygonPointView(), PolygonView::~PolygonView(), RectangleView::~RectangleView(), and VerticalLineView::~VerticalLineView().

Here is the call graph for this function:

fromSceneX()

qreal IShape2DView::fromSceneX ( qreal  value ) const

protectedinherited

convert scene coordinates to ColorMap plot coordinates

Definition at line 119 of file IShape2DView.cpp.

{
    return m_adaptor ? m_adaptor->fromSceneX(value) : value;
}

References ISceneAdaptor::fromSceneX(), and IShape2DView::m_adaptor.

Referenced by EllipseView::mouseMoveEvent(), RectangleView::mouseMoveEvent(), EllipseView::onChangedX(), VerticalLineView::onChangedX(), RectangleView::onChangedX(), and updateParameterizedItem().

Here is the call graph for this function:

fromSceneY()

qreal IShape2DView::fromSceneY ( qreal  value ) const

protectedinherited

Definition at line 124 of file IShape2DView.cpp.

{
    return m_adaptor ? m_adaptor->fromSceneY(value) : value;
}

References ISceneAdaptor::fromSceneY(), and IShape2DView::m_adaptor.

Referenced by EllipseView::mouseMoveEvent(), RectangleView::mouseMoveEvent(), EllipseView::onChangedY(), HorizontalLineView::onChangedY(), RectangleView::onChangedY(), and updateParameterizedItem().

Here is the call graph for this function:

hoverEnterEvent()

void PolygonPointView::hoverEnterEvent ( QGraphicsSceneHoverEvent *  event )

overrideprotected

Definition at line 76 of file PolygonPointView.cpp.

{
    m_on_hover = true;
    emit closePolygonRequest(m_on_hover);
    IShape2DView::hoverEnterEvent(event);
}

References closePolygonRequest(), and m_on_hover.

hoverLeaveEvent()

void PolygonPointView::hoverLeaveEvent ( QGraphicsSceneHoverEvent *  event )

overrideprotected

Definition at line 83 of file PolygonPointView.cpp.

{
    m_on_hover = false;
    emit closePolygonRequest(m_on_hover);
    IShape2DView::hoverLeaveEvent(event);
}

References closePolygonRequest(), and m_on_hover.

maskedShape()

QPainterPath IShape2DView::maskedShape ( ) const

protectedinherited

Returns the shape with all masking already applied.

Definition at line 79 of file IShape2DView.cpp.

{
    static const QSet<MaskEditorHelper::EViewTypes> relevantMaskTypes = {
        MaskEditorHelper::RECTANGLE, MaskEditorHelper::POLYGON, MaskEditorHelper::VERTICALLINE,
        MaskEditorHelper::HORIZONTALLINE, MaskEditorHelper::ELLIPSE};
 
    QPainterPath resultingShape = mapToScene(shape());
    for (auto* item : scene()->items()) {
        auto* const maskItem = dynamic_cast<IShape2DView*>(item);
        if (!maskItem
            || !relevantMaskTypes.contains((MaskEditorHelper::EViewTypes)maskItem->type()))
            continue;
 
        const bool isMaskingItem = itemMaskValue(maskItem->parameterizedItem());
        const bool isOnTop = maskItem->zValue() > zValue();
        if (isMaskingItem || !isOnTop)
            continue;
 
        const auto maskItemShape = maskItem->mapToScene(maskItem->shape());
        if (!maskItemShape.intersects(resultingShape))
            continue;
 
        // Item lays on top and is non-masking -> subtract the
        // path of the item
        resultingShape = resultingShape.subtracted(maskItemShape);
    }
 
    return mapFromScene(resultingShape);
}

References MaskEditorHelper::ELLIPSE, MaskEditorHelper::HORIZONTALLINE, MaskEditorHelper::POLYGON, MaskEditorHelper::RECTANGLE, and MaskEditorHelper::VERTICALLINE.

Referenced by IShape2DView::paint().

mouseMoveEvent()

void PolygonPointView::mouseMoveEvent ( QGraphicsSceneMouseEvent *  event )

overrideprotected

Definition at line 71 of file PolygonPointView.cpp.

{
    updateParameterizedItem(event->scenePos());
}

References updateParameterizedItem().

Here is the call graph for this function:

onChangedX

virtual void IShape2DView::onChangedX ( )

inlineprotectedvirtualslotinherited

Definition at line 44 of file IShape2DView.h.

{}

Referenced by IShape2DView::IShape2DView().

onChangedY

virtual void IShape2DView::onChangedY ( )

inlineprotectedvirtualslotinherited

Definition at line 45 of file IShape2DView.h.

{}

Referenced by IShape2DView::IShape2DView().

onItemDestroyed()

void PolygonPointView::onItemDestroyed ( )

overrideprivatevirtual

Implements IShape2DView.

Definition at line 90 of file PolygonPointView.cpp.

{
    m_item = nullptr;
}

References m_item.

onItemPropertyChange()

void IShape2DView::onItemPropertyChange ( const QString &  propertyName )

privateinherited

Definition at line 151 of file IShape2DView.cpp.

{
    if (m_block_on_property_change)
        return;
 
    m_block_on_property_change = true;
 
    bool schedule_update = false;
    if (MaskItem::isMaskValuePropertyName(propertyName))
        schedule_update = true;
    else if (MaskItem::isIsVisiblePropertyName(propertyName)) {
        bool visible = false;
        if (auto* maskItem = dynamic_cast<MaskItem*>(parameterizedItem()))
            visible = maskItem->isVisibleValue();
        this->setVisible(visible);
        schedule_update = true;
    }
 
    onPropertyChange();
 
    if (schedule_update)
        update();
 
    m_block_on_property_change = false;
}

References MaskItem::isIsVisiblePropertyName(), MaskItem::isMaskValuePropertyName(), IShape2DView::m_block_on_property_change, IShape2DView::onPropertyChange(), and IShape2DView::parameterizedItem().

Referenced by IShape2DView::IShape2DView().

Here is the call graph for this function:

onPropertyChange

void PolygonPointView::onPropertyChange ( )

overrideprotectedslot

Definition at line 55 of file PolygonPointView.cpp.

{
    emit propertyChanged();
}

References propertyChanged().

paint()

void PolygonPointView::paint ( QPainter *  painter, const QStyleOptionGraphicsItem *  , QWidget *    )

overrideprotected

Definition at line 60 of file PolygonPointView.cpp.

{
    painter->setRenderHints(QPainter::Antialiasing);
    QBrush brush = MaskEditorHelper::getSelectionMarkerBrush();
    if (acceptHoverEvents() && m_on_hover)
        brush.setColor(Qt::red);
    painter->setBrush(brush);
    painter->setPen(MaskEditorHelper::getSelectionMarkerPen());
    painter->drawEllipse(boundingRect());
}

References boundingRect(), MaskEditorHelper::getSelectionMarkerBrush(), MaskEditorHelper::getSelectionMarkerPen(), and m_on_hover.

Here is the call graph for this function:

parameterizedItem()

SessionItem * PolygonPointView::parameterizedItem ( ) const

overridevirtual

Implements IShape2DView.

Definition at line 39 of file PolygonPointView.cpp.

{
    return m_item;
}

References m_item.

propertyChanged

void PolygonPointView::propertyChanged ( )

signal

Referenced by PolygonView::addView(), onPropertyChange(), and PolygonView::update_points().

setBlockOnProperty()

void IShape2DView::setBlockOnProperty ( bool  value )

protectedinherited

Definition at line 135 of file IShape2DView.cpp.

{
    m_block_on_property_change = value;
}

References IShape2DView::m_block_on_property_change.

Referenced by EllipseView::onChangedX(), VerticalLineView::onChangedX(), RectangleView::onChangedX(), EllipseView::onChangedY(), HorizontalLineView::onChangedY(), and RectangleView::onChangedY().

setSceneAdaptor()

void IShape2DView::setSceneAdaptor ( const ISceneAdaptor *  adaptor )

inherited

Definition at line 55 of file IShape2DView.cpp.

{
    ASSERT(adaptor);
 
    if (m_adaptor != adaptor) {
        if (m_adaptor)
            disconnect(m_adaptor, &ISceneAdaptor::update_request, this, &IShape2DView::update_view);
 
        m_adaptor = adaptor;
        connect(m_adaptor, &ISceneAdaptor::update_request, this, &IShape2DView::update_view,
                Qt::UniqueConnection);
        update_view();
    }
}

References IShape2DView::m_adaptor, ISceneAdaptor::update_request(), and IShape2DView::update_view().

Referenced by MaskViewFactory::createMaskView().

Here is the call graph for this function:

toSceneX()

qreal IShape2DView::toSceneX ( qreal  value ) const

protectedinherited

Definition at line 109 of file IShape2DView.cpp.

{
    return m_adaptor ? m_adaptor->toSceneX(value) : value;
}

References IShape2DView::m_adaptor, and ISceneAdaptor::toSceneX().

Referenced by EllipseView::left(), RectangleView::left(), EllipseView::onPropertyChange(), VerticalLineView::onPropertyChange(), EllipseView::right(), RectangleView::right(), PolygonView::update_polygon(), EllipseView::update_position(), RectangleView::update_position(), and VerticalLineView::update_view().

Here is the call graph for this function:

toSceneY()

qreal IShape2DView::toSceneY ( qreal  value ) const

protectedinherited

Definition at line 114 of file IShape2DView.cpp.

{
    return m_adaptor ? m_adaptor->toSceneY(value) : value;
}

References IShape2DView::m_adaptor, and ISceneAdaptor::toSceneY().

Referenced by EllipseView::bottom(), RectangleView::bottom(), EllipseView::onPropertyChange(), HorizontalLineView::onPropertyChange(), EllipseView::top(), RectangleView::top(), PolygonView::update_polygon(), EllipseView::update_position(), RectangleView::update_position(), and HorizontalLineView::update_view().

Here is the call graph for this function:

type()

int PolygonPointView::type ( ) const

inlineoverride

Definition at line 28 of file PolygonPointView.h.

{ return MaskEditorHelper::POLYGONPOINT; }

References MaskEditorHelper::POLYGONPOINT.

update_view

void PolygonPointView::update_view ( )

overrideprotectedslot

Definition at line 50 of file PolygonPointView.cpp.

{
    update();
}

updateParameterizedItem()

void PolygonPointView::updateParameterizedItem

(

const QPointF &

pos

)

Definition at line 44 of file PolygonPointView.cpp.

{
    m_item->setPosX(fromSceneX(pos.x()));
    m_item->setPosY(fromSceneY(pos.y()));
}

References IShape2DView::fromSceneX(), IShape2DView::fromSceneY(), m_item, PolygonPointItem::setPosX(), and PolygonPointItem::setPosY().

Referenced by mouseMoveEvent().

Here is the call graph for this function:

Member Data Documentation

m_adaptor

const ISceneAdaptor* IShape2DView::m_adaptor

protectedinherited

Definition at line 67 of file IShape2DView.h.

Referenced by RegionOfInterestView::boundingRect(), IShape2DView::fromSceneX(), IShape2DView::fromSceneY(), IShape2DView::setSceneAdaptor(), IShape2DView::toSceneX(), IShape2DView::toSceneY(), VerticalLineView::update_view(), HorizontalLineView::update_view(), MaskAllView::update_view(), MaskContainerView::update_view(), and RegionOfInterestView::update_view().

m_block_on_property_change

bool IShape2DView::m_block_on_property_change

protectedinherited

Definition at line 69 of file IShape2DView.h.

Referenced by IShape2DView::blockOnProperty(), IShape2DView::onItemPropertyChange(), and IShape2DView::setBlockOnProperty().

m_bounding_rect

QRectF IShape2DView::m_bounding_rect

protectedinherited

Definition at line 68 of file IShape2DView.h.

Referenced by IShape2DView::boundingRect(), VerticalLineView::paint(), HorizontalLineView::paint(), MaskAllView::paint(), VerticalLineView::shape(), HorizontalLineView::shape(), RectangleBaseView::update_bounding_rect(), PolygonView::update_polygon(), VerticalLineView::update_view(), HorizontalLineView::update_view(), MaskAllView::update_view(), MaskContainerView::update_view(), and RegionOfInterestView::update_view().

m_item

PolygonPointItem* PolygonPointView::m_item

private

Definition at line 57 of file PolygonPointView.h.

Referenced by ~PolygonPointView(), onItemDestroyed(), parameterizedItem(), and updateParameterizedItem().

m_on_hover

bool PolygonPointView::m_on_hover

private

Definition at line 58 of file PolygonPointView.h.

Referenced by hoverEnterEvent(), hoverLeaveEvent(), and paint().

---

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/Mask/PolygonPointView.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/Mask/PolygonPointView.cpp