RectangleBaseView Class Reference

Description

Base view for all rectangular-like masks.

Definition at line 24 of file RectangleBaseView.h.

Inheritance diagram for RectangleBaseView:

Collaboration diagram for RectangleBaseView:

Public Member Functions
	RectangleBaseView (SessionItem *item)
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 ()

Protected Member Functions
bool	blockOnProperty () const
virtual qreal	bottom () const =0
void	create_size_handle_elements ()
void	disconnectFromItem (SessionItem *item)
qreal	fromSceneX (qreal value) const
	convert scene coordinates to ColorMap plot coordinates More...
qreal	fromSceneY (qreal value) const
qreal	height () const
QVariant	itemChange (GraphicsItemChange change, const QVariant &value) override
	Track if item selected/deselected and show/hide size handles. More...
virtual qreal	left () const =0
virtual QRectF	mask_rectangle ()=0
QPainterPath	maskedShape () const
	Returns the shape with all masking already applied. More...
void	mouseReleaseEvent (QGraphicsSceneMouseEvent *event) override
void	paint (QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) override
virtual qreal	right () const =0
void	setBlockOnProperty (bool value)
virtual qreal	top () const =0
qreal	toSceneX (qreal value) const
qreal	toSceneY (qreal value) const
virtual void	update_bounding_rect ()
	updates view's bounding rectangle using item properties More...
virtual void	update_position ()=0
void	update_view () override
	update visual appearance of view (triggered by ISceneAdaptor) More...
qreal	width () const
	Returns width of the rectangle. More...

Protected Attributes
SizeHandleElement *	m_activeHandleElement
const ISceneAdaptor *	m_adaptor
bool	m_block_on_property_change
QRectF	m_bounding_rect
QRectF	m_mask_rect
	mask rectangle in scene coordinates More...
QMap< SizeHandleElement::EHandleLocation, SizeHandleElement * >	m_resize_handles
	coordinates of corner opposite to the grip corner at the moment it first clicked in scene coordinates More...
QPointF	m_resize_opposite_origin

Private Slots
void	onSizeHandleElementRequest (bool going_to_resize)
	triggered by SizeHandleElement More...

Private Member Functions
virtual void	onItemDestroyed ()=0
void	onItemPropertyChange (const QString &propertyName)

Constructor & Destructor Documentation

RectangleBaseView()

RectangleBaseView::RectangleBaseView ( SessionItem *  item )

explicit

Definition at line 23 of file RectangleBaseView.cpp.

    : IShape2DView(item)
    , m_activeHandleElement(nullptr)
{
    setFlag(QGraphicsItem::ItemIsSelectable);
    setFlag(QGraphicsItem::ItemIsMovable);
    setFlag(QGraphicsItem::ItemSendsGeometryChanges);
    setAcceptHoverEvents(true);
    create_size_handle_elements();
}

References create_size_handle_elements().

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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.

bottom()

virtual qreal RectangleBaseView::bottom ( ) const

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by height().

boundingRect()

QRectF IShape2DView::boundingRect ( ) const

overrideinherited

Definition at line 50 of file IShape2DView.cpp.

{
    return m_bounding_rect;
}

References IShape2DView::m_bounding_rect.

create_size_handle_elements()

void RectangleBaseView::create_size_handle_elements ( )

protected

Definition at line 103 of file RectangleBaseView.cpp.

{
    QList<SizeHandleElement::EHandleLocation> points;
    points << SizeHandleElement::TOPLEFT << SizeHandleElement::TOPMIDDLE
           << SizeHandleElement::TOPRIGHT << SizeHandleElement::MIDDLERIGHT
           << SizeHandleElement::BOTTOMRIGHT << SizeHandleElement::BOTTOMMIDLE
           << SizeHandleElement::BOTTOMLEFT << SizeHandleElement::MIDDLELEFT;
 
    for (SizeHandleElement::EHandleLocation point_type : points) {
        auto* el = new SizeHandleElement(point_type, this);
        connect(el, &SizeHandleElement::resize_request, this,
                &RectangleBaseView::onSizeHandleElementRequest);
        el->setVisible(false);
        m_resize_handles[point_type] = el;
    }
}

References SizeHandleElement::BOTTOMLEFT, SizeHandleElement::BOTTOMMIDLE, SizeHandleElement::BOTTOMRIGHT, m_resize_handles, SizeHandleElement::MIDDLELEFT, SizeHandleElement::MIDDLERIGHT, onSizeHandleElementRequest(), SizeHandleElement::resize_request(), SizeHandleElement::TOPLEFT, SizeHandleElement::TOPMIDDLE, and SizeHandleElement::TOPRIGHT.

Referenced by RectangleBaseView().

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

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height()

qreal RectangleBaseView::height ( ) const

protected

Definition at line 98 of file RectangleBaseView.cpp.

{
    return bottom() - top();
}

References bottom(), and top().

Referenced by EllipseView::mask_rectangle(), RectangleView::mask_rectangle(), and EllipseView::mouseMoveEvent().

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itemChange()

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

overrideprotected

Track if item selected/deselected and show/hide size handles.

Definition at line 51 of file RectangleBaseView.cpp.

{
    if (change == QGraphicsItem::ItemSelectedChange) {
        for (auto it = m_resize_handles.begin(); it != m_resize_handles.end(); ++it)
            it.value()->setVisible(!this->isSelected());
    }
    return value;
}

References m_resize_handles.

left()

virtual qreal RectangleBaseView::left ( ) const

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by width().

mask_rectangle()

virtual QRectF RectangleBaseView::mask_rectangle ( )

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by update_bounding_rect().

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().

mouseReleaseEvent()

void RectangleBaseView::mouseReleaseEvent ( QGraphicsSceneMouseEvent *  event )

overrideprotected

Definition at line 61 of file RectangleBaseView.cpp.

{
    onSizeHandleElementRequest(false);
    IShape2DView::mouseReleaseEvent(event);
}

References onSizeHandleElementRequest().

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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()

virtual void IShape2DView::onItemDestroyed ( )

privatepure virtualinherited

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

Referenced by IShape2DView::IShape2DView().

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

virtual void IShape2DView::onPropertyChange ( )

inlineprotectedvirtualslotinherited

Definition at line 46 of file IShape2DView.h.

{}

Referenced by IShape2DView::onItemPropertyChange().

onSizeHandleElementRequest

void RectangleBaseView::onSizeHandleElementRequest ( bool  going_to_resize )

privateslot

triggered by SizeHandleElement

Definition at line 35 of file RectangleBaseView.cpp.

{
    if (going_to_resize) {
        setFlag(QGraphicsItem::ItemIsMovable, false);
        m_activeHandleElement = qobject_cast<SizeHandleElement*>(sender());
        ASSERT(m_activeHandleElement);
        SizeHandleElement::EHandleLocation oposite_corner =
            m_activeHandleElement->getOppositeHandleLocation();
        m_resize_opposite_origin = m_resize_handles[oposite_corner]->scenePos();
    } else {
        setFlag(QGraphicsItem::ItemIsMovable, true);
        m_activeHandleElement = nullptr;
    }
}

References SizeHandleElement::getOppositeHandleLocation(), m_activeHandleElement, m_resize_handles, and m_resize_opposite_origin.

Referenced by create_size_handle_elements(), and mouseReleaseEvent().

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paint()

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

overrideprotectedinherited

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(), IShape2DView::maskedShape(), and IShape2DView::parameterizedItem().

Referenced by PolygonView::paint().

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parameterizedItem()

virtual SessionItem* IShape2DView::parameterizedItem ( ) const

pure virtualinherited

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

Referenced by IShape2DView::onItemPropertyChange(), IShape2DView::paint(), and update_bounding_rect().

right()

virtual qreal RectangleBaseView::right ( ) const

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by width().

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().

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top()

virtual qreal RectangleBaseView::top ( ) const

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by height().

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(), 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 RectangleBaseView::type ( ) const

inlineoverride

Definition at line 28 of file RectangleBaseView.h.

{ return MaskEditorHelper::RECTANGLEBASE; }

References MaskEditorHelper::RECTANGLEBASE.

Referenced by update_bounding_rect().

update_bounding_rect()

void RectangleBaseView::update_bounding_rect ( )

protectedvirtual

updates view's bounding rectangle using item properties

Definition at line 76 of file RectangleBaseView.cpp.

{
    if (parameterizedItem()) {
        m_mask_rect = mask_rectangle();
        if (type() != MaskEditorHelper::REGIONOFINTEREST)
            m_bounding_rect = m_mask_rect.marginsAdded(
                QMarginsF(bbox_margins, bbox_margins, bbox_margins, bbox_margins));
    }
    for (QMap<SizeHandleElement::EHandleLocation, SizeHandleElement*>::iterator it =
             m_resize_handles.begin();
         it != m_resize_handles.end(); ++it) {
        it.value()->updateHandleElementPosition(m_mask_rect);
    }
}

References IShape2DView::m_bounding_rect, m_mask_rect, m_resize_handles, mask_rectangle(), IShape2DView::parameterizedItem(), MaskEditorHelper::REGIONOFINTEREST, and type().

Referenced by update_view().

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update_position()

virtual void RectangleBaseView::update_position ( )

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by update_view().

update_view()

void RectangleBaseView::update_view ( )

overrideprotectedvirtual

update visual appearance of view (triggered by ISceneAdaptor)

Implements IShape2DView.

Definition at line 67 of file RectangleBaseView.cpp.

{
    prepareGeometryChange();
    update_bounding_rect();
    update_position();
}

References update_bounding_rect(), and update_position().

Referenced by RectangleView::mouseMoveEvent(), EllipseView::onPropertyChange(), RectangleView::onPropertyChange(), and RegionOfInterestView::update_view().

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width()

qreal RectangleBaseView::width ( ) const

protected

Returns width of the rectangle.

Definition at line 93 of file RectangleBaseView.cpp.

{
    return right() - left();
}

References left(), and right().

Referenced by EllipseView::mask_rectangle(), RectangleView::mask_rectangle(), and EllipseView::mouseMoveEvent().

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Member Data Documentation

m_activeHandleElement

SizeHandleElement* RectangleBaseView::m_activeHandleElement

protected

Definition at line 57 of file RectangleBaseView.h.

Referenced by EllipseView::mouseMoveEvent(), RectangleView::mouseMoveEvent(), and onSizeHandleElementRequest().

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(), update_bounding_rect(), PolygonView::update_polygon(), VerticalLineView::update_view(), HorizontalLineView::update_view(), MaskAllView::update_view(), MaskContainerView::update_view(), and RegionOfInterestView::update_view().

m_mask_rect

QRectF RectangleBaseView::m_mask_rect

protected

mask rectangle in scene coordinates

Definition at line 52 of file RectangleBaseView.h.

Referenced by RectangleView::onChangedX(), RectangleView::onChangedY(), RegionOfInterestView::paint(), EllipseView::shape(), RectangleView::shape(), and update_bounding_rect().

m_resize_handles

QMap<SizeHandleElement::EHandleLocation, SizeHandleElement*> RectangleBaseView::m_resize_handles

protected

coordinates of corner opposite to the grip corner at the moment it first clicked in scene coordinates

Definition at line 53 of file RectangleBaseView.h.

Referenced by create_size_handle_elements(), itemChange(), onSizeHandleElementRequest(), and update_bounding_rect().

m_resize_opposite_origin

QPointF RectangleBaseView::m_resize_opposite_origin

protected

Definition at line 56 of file RectangleBaseView.h.

Referenced by EllipseView::mouseMoveEvent(), RectangleView::mouseMoveEvent(), and onSizeHandleElementRequest().

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