IShape2DView Class Reference

Description

Main interface class for views representing MaskItems, Projections on graphics scene.

Definition at line 27 of file IShape2DView.h.

Inheritance diagram for IShape2DView:

Collaboration diagram for IShape2DView:

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

Protected Slots
virtual void	onChangedX ()
virtual void	onChangedY ()
virtual void	onPropertyChange ()
virtual void	update_view ()=0
	update visual appearance of view (triggered by ISceneAdaptor) More...

Protected Member Functions
	IShape2DView (SessionItem *item)
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
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
virtual void	onItemDestroyed ()=0
void	onItemPropertyChange (const QString &propertyName)

Constructor & Destructor Documentation

IShape2DView()

IShape2DView::IShape2DView ( SessionItem *  item )

explicitprotected

Definition at line 35 of file IShape2DView.cpp.

    : m_adaptor(nullptr)
    , m_block_on_property_change(false)
{
    connect(this, &IShape2DView::xChanged, this, &IShape2DView::onChangedX);
    connect(this, &IShape2DView::yChanged, this, &IShape2DView::onChangedY);
 
    if (item) {
        item->mapper()->setOnPropertyChange(
            [this](const QString& name) { onItemPropertyChange(name); }, this);
 
        item->mapper()->setOnItemDestroy([this](SessionItem*) { onItemDestroyed(); }, this);
    }
}

References SessionItem::mapper(), GUI::RealSpace::Particles::name(), onChangedX(), onChangedY(), onItemDestroyed(), onItemPropertyChange(), ModelMapper::setOnItemDestroy(), and ModelMapper::setOnPropertyChange().

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Member Function Documentation

addView()

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

virtual

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

protected

Definition at line 140 of file IShape2DView.cpp.

{
    return m_block_on_property_change;
}

References m_block_on_property_change.

boundingRect()

QRectF IShape2DView::boundingRect ( ) const

override

Definition at line 50 of file IShape2DView.cpp.

{
    return m_bounding_rect;
}

References m_bounding_rect.

disconnectFromItem()

void IShape2DView::disconnectFromItem ( SessionItem *  item )

protected

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

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fromSceneX()

qreal IShape2DView::fromSceneX ( qreal  value ) const

protected

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 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

protected

Definition at line 124 of file IShape2DView.cpp.

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

References ISceneAdaptor::fromSceneY(), and m_adaptor.

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

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maskedShape()

QPainterPath IShape2DView::maskedShape ( ) const

protected

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 paint().

onChangedX

virtual void IShape2DView::onChangedX ( )

inlineprotectedvirtualslot

Definition at line 44 of file IShape2DView.h.

{}

Referenced by IShape2DView().

onChangedY

virtual void IShape2DView::onChangedY ( )

inlineprotectedvirtualslot

Definition at line 45 of file IShape2DView.h.

{}

Referenced by IShape2DView().

onItemDestroyed()

virtual void IShape2DView::onItemDestroyed ( )

privatepure virtual

Implemented in RectangleView, PolygonView, PolygonPointView, MaskContainerView, MaskAllView, HorizontalLineView, VerticalLineView, and EllipseView.

Referenced by IShape2DView().

onItemPropertyChange()

void IShape2DView::onItemPropertyChange ( const QString &  propertyName )

private

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(), m_block_on_property_change, onPropertyChange(), and parameterizedItem().

Referenced by IShape2DView().

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onPropertyChange

virtual void IShape2DView::onPropertyChange ( )

inlineprotectedvirtualslot

Definition at line 46 of file IShape2DView.h.

{}

Referenced by onItemPropertyChange().

paint()

void IShape2DView::paint ( QPainter *  painter, const QStyleOptionGraphicsItem *  , QWidget *    )

overrideprotected

Definition at line 70 of file IShape2DView.cpp.

{
    const bool isMasked = itemMaskValue(parameterizedItem());
    painter->setBrush(MaskEditorHelper::getMaskBrush(isMasked));
    painter->setPen(MaskEditorHelper::getMaskPen(isMasked));
    painter->setRenderHints(QPainter::Antialiasing);
    painter->drawPath(maskedShape());
}

References MaskEditorHelper::getMaskBrush(), MaskEditorHelper::getMaskPen(), maskedShape(), and parameterizedItem().

Referenced by PolygonView::paint().

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parameterizedItem()

virtual SessionItem* IShape2DView::parameterizedItem ( ) const

pure virtual

Implemented in RectangleView, PolygonView, PolygonPointView, MaskContainerView, MaskAllView, HorizontalLineView, VerticalLineView, and EllipseView.

Referenced by onItemPropertyChange(), paint(), and RectangleBaseView::update_bounding_rect().

setBlockOnProperty()

void IShape2DView::setBlockOnProperty ( bool  value )

protected

Definition at line 135 of file IShape2DView.cpp.

{
    m_block_on_property_change = value;
}

References 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

)

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

Referenced by MaskViewFactory::createMaskView().

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toSceneX()

qreal IShape2DView::toSceneX ( qreal  value ) const

protected

Definition at line 109 of file IShape2DView.cpp.

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

References 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

protected

Definition at line 114 of file IShape2DView.cpp.

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

References 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().

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type()

int IShape2DView::type ( ) const

inlineoverride

Definition at line 31 of file IShape2DView.h.

{ return MaskEditorHelper::IMASKVIEW; }

References MaskEditorHelper::IMASKVIEW.

update_view

virtual void IShape2DView::update_view ( )

protectedpure virtualslot

update visual appearance of view (triggered by ISceneAdaptor)

Implemented in RectangleBaseView.

Referenced by setSceneAdaptor().

Member Data Documentation

m_adaptor

const ISceneAdaptor* IShape2DView::m_adaptor

protected

Definition at line 67 of file IShape2DView.h.

Referenced by RegionOfInterestView::boundingRect(), fromSceneX(), fromSceneY(), setSceneAdaptor(), toSceneX(), 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

protected

Definition at line 69 of file IShape2DView.h.

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

m_bounding_rect

QRectF IShape2DView::m_bounding_rect

protected

Definition at line 68 of file IShape2DView.h.

Referenced by 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().

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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/IShape2DView.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/Mask/IShape2DView.cpp