HorizontalLineView Class Reference

Description

This is a view of HorizontalLineItem mask.

Definition at line 55 of file LineViews.h.

Inheritance diagram for HorizontalLineView:

Collaboration diagram for HorizontalLineView:

Public Member Functions
	HorizontalLineView (HorizontalLineItem *item)
	~HorizontalLineView () override
virtual void	addView (IShape2DView *childView, int row=0)
QRectF	boundingRect () const override
SessionItem *	parameterizedItem () const override
void	setSceneAdaptor (const ISceneAdaptor *adaptor)
QPainterPath	shape () const override
int	type () const override

Protected Slots
virtual void	onChangedX ()
void	onChangedY () override
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
QVariant	itemChange (GraphicsItemChange change, const QVariant &value) override
	Allows item movement along y, prevent movement along x. More...
QPainterPath	maskedShape () const
	Returns the shape with all masking already applied. More...
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
HorizontalLineItem *	m_item

Constructor & Destructor Documentation

HorizontalLineView()

HorizontalLineView::HorizontalLineView ( HorizontalLineItem *  item )

explicit

Definition at line 116 of file LineViews.cpp.

    : IShape2DView(item)
    , m_item(item)
{
    setFlag(QGraphicsItem::ItemIsSelectable);
    setFlag(QGraphicsItem::ItemIsMovable);
    setFlag(QGraphicsItem::ItemSendsGeometryChanges);
    setCursor(Qt::SizeVerCursor);
}

~HorizontalLineView()

HorizontalLineView::~HorizontalLineView ( )

override

Definition at line 126 of file LineViews.cpp.

{
    disconnectFromItem(m_item);
}

References IShape2DView::disconnectFromItem(), and m_item.

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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 IShape2DView::boundingRect ( ) const

overrideinherited

Definition at line 50 of file IShape2DView.cpp.

{
    return m_bounding_rect;
}

References IShape2DView::m_bounding_rect.

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(), MaskAllView::~MaskAllView(), MaskContainerView::~MaskContainerView(), PolygonPointView::~PolygonPointView(), PolygonView::~PolygonView(), RectangleView::~RectangleView(), and VerticalLineView::~VerticalLineView().

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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 PolygonPointView::updateParameterizedItem().

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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(), onChangedY(), RectangleView::onChangedY(), and PolygonPointView::updateParameterizedItem().

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itemChange()

QVariant HorizontalLineView::itemChange ( GraphicsItemChange  change, const QVariant &  value  )

overrideprotected

Allows item movement along y, prevent movement along x.

Definition at line 186 of file LineViews.cpp.

{
    if (isSelected() && change == ItemPositionChange && scene()) {
        QPointF newPos = value.toPointF();
        newPos.setX(x());
        return newPos;
    }
    return QGraphicsItem::itemChange(change, value);
}

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().

onChangedX

virtual void IShape2DView::onChangedX ( )

inlineprotectedvirtualslotinherited

Definition at line 44 of file IShape2DView.h.

{}

Referenced by IShape2DView::IShape2DView().

onChangedY

void HorizontalLineView::onChangedY ( )

overrideprotectedslot

Definition at line 144 of file LineViews.cpp.

{
    setBlockOnProperty(true);
    m_item->setPosY(fromSceneY(this->y()));
    setBlockOnProperty(false);
}

References IShape2DView::fromSceneY(), m_item, IShape2DView::setBlockOnProperty(), and HorizontalLineItem::setPosY().

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onItemDestroyed()

void HorizontalLineView::onItemDestroyed ( )

overrideprivatevirtual

Implements IShape2DView.

Definition at line 197 of file LineViews.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().

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onPropertyChange

void HorizontalLineView::onPropertyChange ( )

overrideprotectedslot

Definition at line 151 of file LineViews.cpp.

{
    setY(toSceneY(m_item->posY()));
}

References m_item, HorizontalLineItem::posY(), and IShape2DView::toSceneY().

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paint()

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

overrideprotected

Definition at line 167 of file LineViews.cpp.

{
    bool mask_value = static_cast<HorizontalLineItem*>(m_item)->maskValue();
    painter->setBrush(MaskEditorHelper::getMaskBrush(mask_value));
    painter->setPen(MaskEditorHelper::getMaskPen(mask_value));
    painter->drawRect(
        QRectF(0.0, -mask_visible_width / 2., m_bounding_rect.width(), mask_visible_width));
 
    if (isSelected()) {
        QPen pen;
        pen.setStyle(Qt::DashLine);
        painter->setPen(pen);
        painter->setBrush(Qt::NoBrush);
        painter->drawRect(
            QRectF(0.0, -mask_visible_width / 2., m_bounding_rect.width(), mask_visible_width));
    }
}

References MaskEditorHelper::getMaskBrush(), MaskEditorHelper::getMaskPen(), IShape2DView::m_bounding_rect, and m_item.

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parameterizedItem()

SessionItem * HorizontalLineView::parameterizedItem ( ) const

overridevirtual

Implements IShape2DView.

Definition at line 139 of file LineViews.cpp.

{
    return m_item;
}

References m_item.

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(), 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().

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shape()

QPainterPath HorizontalLineView::shape ( ) const

override

Definition at line 131 of file LineViews.cpp.

{
    QPainterPath path;
    path.addRect(
        QRectF(0.0, -mask_visible_width / 2., m_bounding_rect.width(), mask_visible_width));
    return path;
}

References IShape2DView::m_bounding_rect.

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().

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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(), onPropertyChange(), EllipseView::top(), RectangleView::top(), PolygonView::update_polygon(), EllipseView::update_position(), RectangleView::update_position(), and update_view().

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type()

int HorizontalLineView::type ( ) const

inlineoverride

Definition at line 59 of file LineViews.h.

{ return MaskEditorHelper::HORIZONTALLINE; }

References MaskEditorHelper::HORIZONTALLINE.

update_view

void HorizontalLineView::update_view ( )

overrideprotectedslot

Definition at line 156 of file LineViews.cpp.

{
    QRectF plot_scene_rectangle = m_adaptor->viewportRectangle();
 
    setX(plot_scene_rectangle.left());
    setY(toSceneY(m_item->posY()));
 
    m_bounding_rect = QRectF(0.0, -mask_width / 2., plot_scene_rectangle.width(), mask_width);
    update();
}

References IShape2DView::m_adaptor, IShape2DView::m_bounding_rect, m_item, HorizontalLineItem::posY(), IShape2DView::toSceneY(), and ISceneAdaptor::viewportRectangle().

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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(), 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(), paint(), MaskAllView::paint(), VerticalLineView::shape(), shape(), RectangleBaseView::update_bounding_rect(), PolygonView::update_polygon(), VerticalLineView::update_view(), update_view(), MaskAllView::update_view(), MaskContainerView::update_view(), and RegionOfInterestView::update_view().

m_item

HorizontalLineItem* HorizontalLineView::m_item

private

Definition at line 79 of file LineViews.h.

Referenced by ~HorizontalLineView(), onChangedY(), onItemDestroyed(), onPropertyChange(), paint(), parameterizedItem(), and update_view().

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

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