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Class: HorizonSharedCanvasSubLayer<P>

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:149

A sublayer of HorizonSharedCanvasLayer.

Extends​

Extended by​

Type Parameters​

Type Parameter
P extends ComponentProps

Constructors​

Constructor​

new HorizonSharedCanvasSubLayer<P>(props): HorizonSharedCanvasSubLayer<P>

Defined in: src/sdk/components/FSComponent.ts:76

Creates an instance of a DisplayComponent.

Parameters​

ParameterTypeDescription
propsPThe propertis of the component.

Returns​

HorizonSharedCanvasSubLayer<P>

Inherited from​

DisplayComponent.constructor

Properties​

context?​

optional context: [] = undefined

Defined in: src/sdk/components/FSComponent.ts:67

The context on this component, if any.

Inherited from​

DisplayComponent.context


contextType?​

readonly optional contextType: readonly [] = undefined

Defined in: src/sdk/components/FSComponent.ts:70

The type of context for this component, if any.

Inherited from​

DisplayComponent.contextType


props​

props: P & ComponentProps

Defined in: src/sdk/components/FSComponent.ts:64

The properties of the component.

Inherited from​

DisplayComponent.props

Accessors​

display​

Get Signature​

get protected display(): HorizonSharedCanvasInstance

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:174

This sublayer's shared canvas instance.

Throws​

Error if this sublayer is not attached.

Returns​

HorizonSharedCanvasInstance


projection​

Get Signature​

get protected projection(): HorizonProjection

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:161

This sublayer's horizon projection.

Throws​

Error if this sublayer is not attached.

Returns​

HorizonProjection

Methods​

attach()​

attach(projection, display): void

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:203

Attaches this sublayer to a parent layer.

Parameters​

ParameterTypeDescription
projectionHorizonProjectionThe horizon projection used by this sublayer.
displayHorizonSharedCanvasInstanceThe canvas instance shared by this sublayer.

Returns​

void


destroy()​

destroy(): void

Defined in: src/sdk/components/FSComponent.ts:101

Destroys this component.

Returns​

void

Inherited from​

DisplayComponent.destroy


getContext()​

protected getContext(context): never

Defined in: src/sdk/components/FSComponent.ts:109

Gets a context data subscription from the context collection.

Parameters​

ParameterTypeDescription
contextneverThe context to get the subscription for.

Returns​

never

The requested context.

Throws​

An error if no data for the specified context type could be found.

Inherited from​

DisplayComponent.getContext


isAttached()​

protected isAttached(): boolean

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:186

Checks whether this sublayer is attached to a parent layer.

Returns​

boolean

Whether this sublayer is attached to a parent layer.


isVisible()​

protected isVisible(): boolean

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:194

Checks whether this sublayer is visible.

Returns​

boolean

Whether this sublayer is visible.


onAfterRender()​

onAfterRender(node): void

Defined in: src/sdk/components/FSComponent.ts:90

A callback that is called after the component is rendered.

Parameters​

ParameterTypeDescription
nodeVNodeThe component's VNode.

Returns​

void

Inherited from​

DisplayComponent.onAfterRender


onAttached()​

onAttached(): void

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:241

This method is called when this sublayer is attached to its parent layer.

Returns​

void


onBeforeRender()​

onBeforeRender(): void

Defined in: src/sdk/components/FSComponent.ts:83

A callback that is called before the component is rendered.

Returns​

void

Inherited from​

DisplayComponent.onBeforeRender


onProjectionChanged()​

onProjectionChanged(projection, changeFlags): void

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:265

This method is called when this sublayer's horizon projection changes.

Parameters​

ParameterTypeDescription
projectionHorizonProjectionThis sublayer's horizon projection.
changeFlagsnumberThe types of changes made to the projection.

Returns​

void


onSleep()​

onSleep(): void

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:255

This method is called when this sublayer's parent layer is put to sleep.

Returns​

void


onUpdated()​

onUpdated(time, elapsed): void

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:288

This method is called once every update cycle after this sublayer's shared canvas instance has had a chance to be invalidated.

Parameters​

ParameterTypeDescription
timenumberThe current time as a UNIX timestamp in milliseconds.
elapsednumberThe elapsed time, in milliseconds, since the last update.

Returns​

void


onVisibilityChanged()​

protected onVisibilityChanged(isVisible): void

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:234

This method is called when this layer's visibility changes.

Parameters​

ParameterTypeDescription
isVisiblebooleanWhether the layer is now visible.

Returns​

void


onWake()​

onWake(): void

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:248

This method is called when this sublayer's parent layer is awakened.

Returns​

void


render()​

render(): VNode | null

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:293

Renders the component.

Returns​

VNode | null

A JSX element to be rendered.

Overrides​

DisplayComponent.render


setVisible()​

setVisible(val): void

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:218

Sets this sublayer's visibility.

Parameters​

ParameterTypeDescription
valbooleanWhether this sublayer should be visible.

Returns​

void


shouldInvalidate()​

shouldInvalidate(time, elapsed): boolean

Defined in: src/sdk/components/horizon/layers/HorizonSharedCanvasLayer.tsx:277

This method is called at the beginning of every update cycle to check whether this sublayer's shared canvas instance should be invalidated. If the canvas is already invalidated, then this method will not be called.

Parameters​

ParameterTypeDescription
timenumberThe current time as a UNIX timestamp in milliseconds.
elapsednumberThe elapsed time, in milliseconds, since the last update.

Returns​

boolean

Whether this sublayer's shared canvas instance should be invalidated.