#include <ddtGraphicalElement.hpp>

Inheritance diagram for DdtGraphicalElement:

Public Member Functions
virtual void	DrawElement (QPainter *painter)=0

Public Attributes
const int	LIGHTER_FACTOR = 200

const int	SCALE_DIFFERENCE_FACTOR = 20

Protected Attributes
DdtGraphicalElementProperties	element_properties

DdtOverlayType	element_type

QPointF	location

QPointF	drag_start

qreal	corner_size

bool	is_hovering

QString	object_name

QString	element_name

	DdtGraphicalElement (DdtGraphicalElementProperties const &element_properties, const QString obj_name="", const QString elem_name="")

virtual	~DdtGraphicalElement ()

virtual QRectF	boundingRect () const override

virtual QRectF	RotateBoundingBox (QRectF const &original_bounding_box) const

void	paint (QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget) override

void	DrawBoundingBox (QPainter *painter) const

void	EditElementProperties (const DdtGraphicalElementProperties &properties)

virtual void	HighlightSelectedElement (QPainter *painter) const

virtual bool	IsHidden ()

virtual float	ScaleThreshold ()

virtual void	SetShowFlag (bool show)

virtual DdtOverlayType	GetType ()

virtual QString	GetTypeString ()

virtual QString	GetTag ()

virtual void	SetTransform (QTransform const &transform)

void	SetIsEditable (const bool editable)

void	SetItemIsSelected (const bool is_selected)

void	SetIsHovering (const bool item_is_hovering)

bool	GetIsEditable () const

bool	GetItemIsSelected () const

QString	GetObjectName () const

QString	GetElementName () const

bool	GetIsHovering () const

const DdtGraphicalElementProperties &	GetElementProperties ()

void	mouseMoveEvent (QGraphicsSceneMouseEvent *const event) override

void	mousePressEvent (QGraphicsSceneMouseEvent *const event) override

bool	HandleEvent (PointGrabber const corner, QEvent const event) const

Detailed Description

Base class for the graphical elements

Constructor & Destructor Documentation

◆ DdtGraphicalElement()

DdtGraphicalElement::DdtGraphicalElement	(	DdtGraphicalElementProperties const &	element_properties,
		const QString	obj_name = "",
		const QString	elem_name = "" )

explicit

Constructor

Parameters

element_properties	DDT graphical element properties object.
obj_name	The name of the overlay object this element belongs to (used for file-based overlay)
elem_name	The name of this element (used for file-based overlay)

◆ ~DdtGraphicalElement()

DdtGraphicalElement::~DdtGraphicalElement ( )

virtualdefault

Destructor

Member Function Documentation

◆ boundingRect()

QRectF DdtGraphicalElement::boundingRect ( ) const

overridevirtual

Function returning the bounding box of the graphics item

Returns: Rectangle with the bounding box

Reimplemented in DdtGraphicalElementPickMarker, DdtGraphicalElementCompass, DdtGraphicalElementCross, DdtGraphicalElementEllipse, DdtGraphicalElementImage, DdtGraphicalElementLine, DdtGraphicalElementRectangle, DdtGraphicalElementRefLine, DdtGraphicalElementSlit, DdtGraphicalElementStatRectangle, and DdtGraphicalElementText.

◆ DrawBoundingBox()

void DdtGraphicalElement::DrawBoundingBox ( QPainter * painter ) const

Method to draw the surounding bounding box

◆ DrawElement()

virtual void DdtGraphicalElement::DrawElement ( QPainter * painter )

pure virtual

Virtual function for rendering the graphical element

Implemented in DdtGraphicalElementPickMarker, DdtGraphicalElementCompass, DdtGraphicalElementCross, DdtGraphicalElementEllipse, DdtGraphicalElementImage, DdtGraphicalElementLine, DdtGraphicalElementRectangle, DdtGraphicalElementRefLine, DdtGraphicalElementSlit, DdtGraphicalElementStatRectangle, and DdtGraphicalElementText.

◆ EditElementProperties()

void DdtGraphicalElement::EditElementProperties ( const DdtGraphicalElementProperties & properties )

Change selected graphical elememt properties

◆ GetElementName()

QString DdtGraphicalElement::GetElementName ( ) const

Returns the name of this overlay element

Returns: Name of this overlay element

◆ GetElementProperties()

const DdtGraphicalElementProperties & DdtGraphicalElement::GetElementProperties ( )

Returns the Element Properties of respective graphical element

Returns: properties Properties of the overlay element

◆ GetIsEditable()

bool DdtGraphicalElement::GetIsEditable ( ) const

Returns if this element is editable

Returns: is_editable

◆ GetIsHovering()

bool DdtGraphicalElement::GetIsHovering ( ) const

Return if this element is hovering

Returns: is_hovering flag

◆ GetItemIsSelected()

bool DdtGraphicalElement::GetItemIsSelected ( ) const

Returns if this element is selected

Returns: item_is_selected

◆ GetObjectName()

QString DdtGraphicalElement::GetObjectName ( ) const

Returns the name of the overlay object this element belongs to

Returns: Name of the overlay object

◆ GetTag()

QString DdtGraphicalElement::GetTag ( )

virtual

Getter for tags

◆ GetType()

DdtOverlayType DdtGraphicalElement::GetType ( )

virtual

Getter of element type

◆ GetTypeString()

QString DdtGraphicalElement::GetTypeString ( )

virtual

Getter of element type string representation

◆ HandleEvent()

bool DdtGraphicalElement::HandleEvent	(	PointGrabber *const	corner,
		QEvent *const	event ) const

protected

◆ HighlightSelectedElement()

void DdtGraphicalElement::HighlightSelectedElement ( QPainter * painter ) const

virtual

Highlights a selected element

◆ IsHidden()

bool DdtGraphicalElement::IsHidden ( )

virtual

Checks if the graphical element shall be hidden

◆ mouseMoveEvent()

void DdtGraphicalElement::mouseMoveEvent ( QGraphicsSceneMouseEvent *const event )

overrideprotected

◆ mousePressEvent()

void DdtGraphicalElement::mousePressEvent ( QGraphicsSceneMouseEvent *const event )

overrideprotected

◆ paint()

void DdtGraphicalElement::paint	(	QPainter *	painter,
		const QStyleOptionGraphicsItem *	option,
		QWidget *	widget )

override

Method used to paint the graphics item

Parameters

painter	Pointer to the painter painting the graphics item
option	Pointer to the style options
widget	Pointer to the parent widget

◆ RotateBoundingBox()

QRectF DdtGraphicalElement::RotateBoundingBox ( QRectF const & original_bounding_box ) const

virtual

Rotate the bounding box for rotated elements

Parameters

original_bounding_box The un-rotated bounding box

Returns: The rotated bounding box

◆ ScaleThreshold()

float DdtGraphicalElement::ScaleThreshold ( )

virtual

Check the threshold scale value for this graphical element

◆ SetIsEditable()

void DdtGraphicalElement::SetIsEditable ( const bool editable )

Setter for is_editable

◆ SetIsHovering()

void DdtGraphicalElement::SetIsHovering ( const bool item_is_hovering )

Setter for item is_hovering

◆ SetItemIsSelected()

void DdtGraphicalElement::SetItemIsSelected ( const bool is_selected )

Setter for item_is_selected

◆ SetShowFlag()

void DdtGraphicalElement::SetShowFlag ( bool show )

virtual

Set show flag

◆ SetTransform()

void DdtGraphicalElement::SetTransform ( QTransform const & transform )

virtual

This method is foreseen to get reimplemented by text items only. Text items need to consider the views shearing and scaling factors for their selection rectangle.

Parameters

transform The views transformation

Member Data Documentation

◆ corner_size

qreal DdtGraphicalElement::corner_size

protected

Size of the corners.

◆ drag_start

QPointF DdtGraphicalElement::drag_start

protected

Start point when dragging the mouse.

◆ element_name

QString DdtGraphicalElement::element_name

protected

Name of this element.

◆ element_properties

DdtGraphicalElementProperties DdtGraphicalElement::element_properties

protected

Element properties

◆ element_type

DdtOverlayType DdtGraphicalElement::element_type

protected

Type of overlay element

◆ is_hovering

bool DdtGraphicalElement::is_hovering

protected

Flag showing if the mouse is hovering over this element

◆ LIGHTER_FACTOR

const int DdtGraphicalElement::LIGHTER_FACTOR = 200

Factor for making the pen colour lighter.

◆ location

QPointF DdtGraphicalElement::location

protected

Location of a moved graphical element.

◆ object_name

QString DdtGraphicalElement::object_name

protected

◆ SCALE_DIFFERENCE_FACTOR

const int DdtGraphicalElement::SCALE_DIFFERENCE_FACTOR = 20

Factor for calculating the scale difference between current scale and object line width. Should be the max scale defined.

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

datavisualisation/graphics/src/include/ddt/ddtGraphicalElement.hpp
datavisualisation/graphics/src/ddtGraphicalElement.cpp

Public Member Functions

Public Attributes

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ DdtGraphicalElement()

◆ ~DdtGraphicalElement()

Member Function Documentation

◆ boundingRect()

◆ DrawBoundingBox()

◆ DrawElement()

◆ EditElementProperties()

◆ GetElementName()

◆ GetElementProperties()

◆ GetIsEditable()

◆ GetIsHovering()

◆ GetItemIsSelected()

◆ GetObjectName()

◆ GetTag()

◆ GetType()

◆ GetTypeString()

◆ HandleEvent()

◆ HighlightSelectedElement()

◆ IsHidden()

◆ mouseMoveEvent()

◆ mousePressEvent()

◆ paint()

◆ RotateBoundingBox()

◆ ScaleThreshold()

◆ SetIsEditable()

◆ SetIsHovering()

◆ SetItemIsSelected()

◆ SetShowFlag()

◆ SetTransform()

Member Data Documentation

◆ corner_size

◆ drag_start

◆ element_name

◆ element_properties

◆ element_type

◆ is_hovering

◆ LIGHTER_FACTOR

◆ location

◆ object_name

◆ SCALE_DIFFERENCE_FACTOR