Class TouchInputTracker

Implements

TouchContext

Index

Constructors

Accessors

alignCoordinateSystem canvas

Methods

addTouchPoints cleanup getCurrentTouchPointsCount getInitialTouchPointsPositions notifyOnPan notifyOnZoom removeTouchPoints setup updateTouchPoints

Constructors

constructor

new TouchInputTracker(
canvas: HTMLCanvasElement,
inputPublisher: RawUserInputPublisher,
): TouchInputTracker
Parameters
- canvas: HTMLCanvasElement
- inputPublisher: RawUserInputPublisher
Returns TouchInputTracker
- Defined in input-state-machine/touch-input-context.ts:25

Accessors

alignCoordinateSystem

get alignCoordinateSystem(): boolean
Returns boolean
Implementation of TouchContext.alignCoordinateSystem
- Defined in input-state-machine/touch-input-context.ts:82
set alignCoordinateSystem(value: boolean): void
Parameters
- value: boolean
Returns void
Implementation of TouchContext.alignCoordinateSystem
- Defined in input-state-machine/touch-input-context.ts:86

canvas

get canvas(): HTMLCanvasElement
Returns HTMLCanvasElement
Implementation of TouchContext.canvas
- Defined in input-state-machine/touch-input-context.ts:78

Methods

addTouchPoints

addTouchPoints(points: TouchPoints[]): void
Parameters
- points: TouchPoints[]
Returns void
Implementation of TouchContext.addTouchPoints
- Defined in input-state-machine/touch-input-context.ts:31

cleanup

cleanup(): void
Returns void
Implementation of TouchContext.cleanup
- Defined in input-state-machine/touch-input-context.ts:90

getCurrentTouchPointsCount

getCurrentTouchPointsCount(): number
Returns number
Implementation of TouchContext.getCurrentTouchPointsCount
- Defined in input-state-machine/touch-input-context.ts:45

getInitialTouchPointsPositions

getInitialTouchPointsPositions(idents: number[]): TouchPoints[]
Parameters
- idents: number[]
Returns TouchPoints[]
Implementation of TouchContext.getInitialTouchPointsPositions
- Defined in input-state-machine/touch-input-context.ts:49

notifyOnPan

notifyOnPan(delta: Point): void
Parameters
- delta: Point
Returns void
Implementation of TouchContext.notifyOnPan
- Defined in input-state-machine/touch-input-context.ts:70

notifyOnZoom

notifyOnZoom(zoomAmount: number, anchorPoint: Point): void
Parameters
- zoomAmount: number
- anchorPoint: Point
Returns void
Implementation of TouchContext.notifyOnZoom
- Defined in input-state-machine/touch-input-context.ts:74

removeTouchPoints

removeTouchPoints(identifiers: number[]): void
Parameters
- identifiers: number[]
Returns void
Implementation of TouchContext.removeTouchPoints
- Defined in input-state-machine/touch-input-context.ts:37

setup

setup(): void
Returns void
Implementation of TouchContext.setup
- Defined in input-state-machine/touch-input-context.ts:93

updateTouchPoints

updateTouchPoints(pointsMoved: TouchPoints[]): void
Parameters
- pointsMoved: TouchPoints[]
Returns void
Implementation of TouchContext.updateTouchPoints
- Defined in input-state-machine/touch-input-context.ts:62