ZoomButtonGroup¶

Overview¶

ZoomButtonGroup is the base class for a pair of buttons used to zoom 'in' and 'out'.

@author Chris Malley (PixelZoom, Inc.)

Class ZoomButtonGroup¶

import { ZoomButtonGroup } from 'scenerystack/scenery-phet';

Constructor¶

new ZoomButtonGroup( zoomLevelProperty : TRangedProperty, zoomInIcon : Node, zoomOutIcon : Node, providedOptions? : ZoomButtonGroupOptions )¶

Instance Methods¶

dispose()¶

Instance Properties¶

zoomInButton : RectangularPushButton¶

(readonly)

zoomOutButton : RectangularPushButton¶

(readonly)

Type ZoomButtonGroupOptions¶

import type { ZoomButtonGroupOptions } from 'scenerystack/scenery-phet';

• applyZoomIn?: ( currentZoom: number ) => number
  function applied when the '+' button is pressed
• applyZoomOut?: ( currentZoom: number ) => number
  function applied when the '-' button is pressed
• buttonOptions?: StrictOmit<RectangularPushButtonOptions, "content" | "listener" | "tandem">
  propagated to the '+' and '-' push buttons
• touchAreaXDilation?: number
  pointer area dilation, correct for options.orientation, and overlap will be prevented by shifting
• touchAreaYDilation?: number
• mouseAreaXDilation?: number
• mouseAreaYDilation?: number
• & StrictOmit<FlowBoxOptions, "children">

Source Code¶

See the source for ZoomButtonGroup.ts in the scenery-phet repository.