RenderArea Class Reference

Inheritance diagram for RenderArea:

Public Slots
void	refresh ()
	Refresh the RenderArea display.
void	paintEvent (QPaintEvent *)
	Handles the paint event for the RenderArea widget.
void	updatePainters ()
	Update painter objects (brushes, pens, gradients) to match current WorldModel state.
void	updateGradientPainter ()
	Updates the gradient painter for the arena background, based on arena size and center.

Public Member Functions
	RenderArea (WorldModel *wm)
	Constructs a RenderArea widget for rendering graphical elements in the UI.

Protected Member Functions
int	getMostCentralNode (const igraph_t &graph)
	Returns the index of the most central node in a graph (by degree centrality).

Constructor & Destructor Documentation

RenderArea()

RenderArea::RenderArea ( WorldModel * wm )

explicit

Constructs a RenderArea widget for rendering graphical elements in the UI.

Initializes the RenderArea, setting up graphical assets, brushes, pens, and timers for periodic updates. Loads resources such as markers, logo, arena images, and custom brushes. Associates the provided WorldModel instance for access to rendering data. Also sets up gradients, pens, and event connections needed for UI drawing and updates.

Parameters

wm	Pointer to the WorldModel providing data and state for rendering.

Member Function Documentation

getMostCentralNode()

int RenderArea::getMostCentralNode ( const igraph_t & graph )

protected

Returns the index of the most central node in a graph (by degree centrality).

Parameters

graph

igraph_t object representing the network graph.

Returns

Index of the node with highest degree centrality.

paintEvent

void RenderArea::paintEvent ( QPaintEvent * )

slot

Handles the paint event for the RenderArea widget.

Draws all relevant graphical elements including background, markers, images, robots, networks, and overlays. Uses current state of the WorldModel for data and configuration.

Parameters

event

Pointer to the paint event (unused).

refresh

void RenderArea::refresh ( )

slot

Refresh the RenderArea display.

Calls updatePainters() and schedules a repaint.

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

• ui/renderarea.h
• ui/renderarea.cpp