CGAL 6.2 - CGAL and the Qt Graphics View Framework: CGAL::Qt::GraphicsItem Class Reference

CGAL 6.2 - CGAL and the Qt Graphics View Framework

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CGAL::Qt::GraphicsItem Class Reference
Reference Manual » Graphics Item Classes

`#include <CGAL/Qt/GraphicsItem.h>`

## Inherits from

QGraphicsItem.

Inherited by CGAL::Qt::CircularArcGraphicsItem< CK >, CGAL::Qt::TriangulationGraphicsItem< T >, and CGAL::Qt::VoronoiGraphicsItem< DT >.

## Definition

The CGAL graphics items hold pointers to CGAL data structures.

When a data structure changes, a signal is emitted. An object derived from type `GraphicsItem` must provide an implementation of the virtual slot `modelChanged()`. This typically triggers redrawing, as well as recomputation of the bounding box which in turn may trigger redrawing of overlapping graphics items.

## Slots
virtual void | modelChanged ()
| This slot must be provided by derived classes.