UI\Area::onDraw

(PHP 7, UI 0.9.9)

UI\Area::onDraw — Draw Callback

说明

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

参数

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

相关文章
php ui area draw callbackphp ui area key callbackphp ui area mouse callbackphp ui draw color color manipulationphp ui draw color color manipulationphp ui draw matrix invert matrixphp ui draw matrix invertible detectionphp ui draw matrix multiply matrixphp ui draw path draw figurephp ui draw path draw figure with arcphp ui draw pen clip a pathphp ui draw pen fill a pathphp ui draw pen restorephp ui draw stroke set miter limitphp ui draw stroke set thicknessphp ui draw text font descriptor construct a new font descriptorphp ui draw text font descriptor get font familyphp ui draw text font descriptor style detectionphp ui draw text layout set widthphp ui executor execution callback
关注编程学问公众号