Draw Callback

# UI\Area::onDraw

(PHP 7, UI 0.9.9)

UI\Area::onDraw — Draw Callback

### Description

protected UI\Area::onDraw ( UI\Draw\Pen `$pen` , UI\Size `$areaSize` , UI\Point `$clipPoint` , UI\Size `$clipSize` )

Shall be invoked when this Area requires redrawing

### Liste de paramètres

`pen`

  A Pen suitable for drawing in this Area

`areaSize`

  The size of the Area

`clipPoint`

  The clip point of the Area

`clipSize`

  The clip size of the Area