DdtOverlayRendering Class Reference

#include <ddtOverlayRendering.hpp>

Public Member Functions
	DdtOverlayRendering ()
virtual	~DdtOverlayRendering ()
virtual void	RedrawOverlay (QGraphicsScene *scene)
void	AddGraphicalElement (DdtGraphicalElementProperties element_properties, double x1, double y1, double x2, double y2, QString drawMode, QString text="")
void	RemoveGraphicalElements (QString selection)
void	SelectGraphicalElements (double x1, double y1, double x2, double y2, QGraphicsView *view)
void	SetCurrentScale (float current_scale)

Protected Attributes
DdtGraphicalOverlay *	graphics_overlay
QList< DdtGraphicalElement * >	selected_elements
float	current_scale

Detailed Description

Class for the rendering of graphical overlays

Constructor & Destructor Documentation

DdtOverlayRendering()

DdtOverlayRendering::DdtOverlayRendering ( )

explicit

Constructor

~DdtOverlayRendering()

DdtOverlayRendering::~DdtOverlayRendering ( )

virtual

Destructor

Member Function Documentation

AddGraphicalElement()

void DdtOverlayRendering::AddGraphicalElement	(	DdtGraphicalElementProperties	element_properties,
		double	x1,
		double	y1,
		double	x2,
		double	y2,
		QString	drawMode,
		QString	text = ""
	)

Add a graphical element to the overlay.

Parameters

element_properties	the graphical element properties
x1	mouse x coordinate of first position
y1	mouse y coordinate of first position
x2	mouse x coordinate of second position
y2	mouse y coordinate of second position
drawMode	string identifying the graphical element

RedrawOverlay()

void DdtOverlayRendering::RedrawOverlay ( QGraphicsScene *  scene )

virtual

Function that draw all overlay elements into the scene of the view

RemoveGraphicalElements()

void DdtOverlayRendering::RemoveGraphicalElements

(

QString

selection

)

Removes overlays of given type (selection)

Parameters

selection

The type of overlay to delete

SelectGraphicalElements()

void DdtOverlayRendering::SelectGraphicalElements	(	double	x1,
		double	y1,
		double	x2,
		double	y2,
		QGraphicsView *	view
	)

Selects a graphical element at the current coordinates

Parameters

x1	First x coordinate
y1	First y coordinate
x2	Second x coordinate
y2	Second y coordinate
view	Active graphics view

SetCurrentScale()

void DdtOverlayRendering::SetCurrentScale

(

float

current_scale

)

Set the current scale factor of the view

Parameters

current_scale

The current scale

Member Data Documentation

current_scale

float DdtOverlayRendering::current_scale

protected

graphics_overlay

DdtGraphicalOverlay* DdtOverlayRendering::graphics_overlay

protected

selected_elements

QList<DdtGraphicalElement*> DdtOverlayRendering::selected_elements

protected

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

• datavisualisation/graphics/src/include/ddt/ddtOverlayRendering.hpp
• datavisualisation/graphics/src/ddtOverlayRendering.cpp