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Class: MapSyncedCanvasLayer<P>

Defined in: src/sdk/components/map/layers/MapSyncedCanvasLayer.ts:8

A canvas map layer whose size and position is synced with the map projection window.

Extends

Extended by

Type Parameters

Type ParameterDefault type
P extends MapCanvasLayerProps<any>MapCanvasLayerProps<any>

Constructors

Constructor

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

Defined in: src/sdk/components/FSComponent.ts:73

Creates an instance of a DisplayComponent.

Parameters

ParameterTypeDescription
propsPThe propertis of the component.

Returns

MapSyncedCanvasLayer<P>

Inherited from

MapCanvasLayer.constructor

Properties

context?

optional context: [] = undefined

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

The context on this component, if any.

Inherited from

MapCanvasLayer.context


contextType?

readonly optional contextType: readonly [] = undefined

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

The type of context for this component, if any.

Inherited from

MapCanvasLayer.contextType


isInit

protected isInit: boolean = false

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:78

Inherited from

MapCanvasLayer.isInit


props

props: P & ComponentProps

Defined in: src/sdk/components/FSComponent.ts:61

The properties of the component.

Inherited from

MapCanvasLayer.props

Accessors

buffer

Get Signature

get buffer(): C

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:98

Gets this layer's buffer canvas instance.

Throws

Error if this layer's buffer canvas instance has not been initialized.

Returns

C

This layer's buffer canvas instance.

Inherited from

MapCanvasLayer.buffer


display

Get Signature

get display(): C

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:85

Gets this layer's display canvas instance.

Throws

Error if this layer's display canvas instance has not been initialized.

Returns

C

This layer's display canvas instance.

Inherited from

MapCanvasLayer.display

Methods

copyBufferToDisplay()

copyBufferToDisplay(): void

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:171

Copies the contents of the buffer to the display. Has no effect if this layer does not have a buffer.

Returns

void

Inherited from

MapCanvasLayer.copyBufferToDisplay


createCanvasInstance()

protected createCanvasInstance(canvas, context, isDisplayed): MapCanvasLayerCanvasInstance

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:227

Creates a canvas instance.

Parameters

ParameterTypeDescription
canvasHTMLCanvasElementThe canvas element.
contextCanvasRenderingContext2DThe canvas 2D rendering context.
isDisplayedbooleanWhether the canvas is displayed.

Returns

MapCanvasLayerCanvasInstance

a canvas instance.

Inherited from

MapCanvasLayer.createCanvasInstance


destroy()

destroy(): void

Defined in: src/sdk/components/FSComponent.ts:98

Destroys this component.

Returns

void

Inherited from

MapCanvasLayer.destroy


getContext()

protected getContext(context): never

Defined in: src/sdk/components/FSComponent.ts:106

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

MapCanvasLayer.getContext


getHeight()

getHeight(): number

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:134

Gets the height of the canvas element, in pixels.

Returns

number

the height of the canvas element.

Inherited from

MapCanvasLayer.getHeight


getWidth()

getWidth(): number

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:126

Gets the width of the canvas element, in pixels.

Returns

number

the width of the canvas element.

Inherited from

MapCanvasLayer.getWidth


isVisible()

isVisible(): boolean

Defined in: src/sdk/components/map/MapLayer.ts:38

Checks whether this layer is visible.

Returns

boolean

whether this layer is visible.

Inherited from

MapCanvasLayer.isVisible


onAfterRender()

onAfterRender(): void

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:182

A callback called after the component renders.

Returns

void

Inherited from

MapCanvasLayer.onAfterRender


onAttached()

onAttached(): void

Defined in: src/sdk/components/map/layers/MapSyncedCanvasLayer.ts:10

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

Returns

void

Overrides

MapCanvasLayer.onAttached


onBeforeRender()

onBeforeRender(): void

Defined in: src/sdk/components/FSComponent.ts:80

A callback that is called before the component is rendered.

Returns

void

Inherited from

MapCanvasLayer.onBeforeRender


onDetached()

onDetached(): void

Defined in: src/sdk/components/map/MapLayer.ts:108

This method is called when this layer is detached from its parent map component.

Returns

void

Inherited from

MapCanvasLayer.onDetached


onMapProjectionChanged()

onMapProjectionChanged(mapProjection, changeFlags): void

Defined in: src/sdk/components/map/layers/MapSyncedCanvasLayer.ts:30

This method is called when the map projection changes.

Parameters

ParameterTypeDescription
mapProjectionMapProjectionthis layer's map projection.
changeFlagsnumberThe types of changes made to the projection.

Returns

void

Overrides

MapCanvasLayer.onMapProjectionChanged


onSleep()

onSleep(): void

Defined in: src/sdk/components/map/MapLayer.ts:81

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

Returns

void

Inherited from

MapCanvasLayer.onSleep


onUpdated()

onUpdated(time, elapsed): void

Defined in: src/sdk/components/map/MapLayer.ts:101

This method is called once every map update cycle.

Parameters

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

Returns

void

Inherited from

MapCanvasLayer.onUpdated


onVisibilityChanged()

onVisibilityChanged(isVisible): void

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:187

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

Parameters

ParameterTypeDescription
isVisiblebooleanWhether the layer is now visible.

Returns

void

Inherited from

MapCanvasLayer.onVisibilityChanged


onWake()

onWake(): void

Defined in: src/sdk/components/map/MapLayer.ts:74

This method is called when this layer's parent map is woken.

Returns

void

Inherited from

MapCanvasLayer.onWake


render()

render(): null | VNode

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:256

Renders the component.

Returns

null | VNode

A JSX element to be rendered.

Inherited from

MapCanvasLayer.render


setHeight()

setHeight(height): void

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:157

Sets the height of the canvas element, in pixels.

Parameters

ParameterTypeDescription
heightnumberThe new height.

Returns

void

Inherited from

MapCanvasLayer.setHeight


setVisible()

setVisible(val): void

Defined in: src/sdk/components/map/MapLayer.ts:46

Sets this layer's visibility.

Parameters

ParameterTypeDescription
valbooleanWhether this layer should be visible.

Returns

void

Inherited from

MapCanvasLayer.setVisible


setWidth()

setWidth(width): void

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:142

Sets the width of the canvas element, in pixels.

Parameters

ParameterTypeDescription
widthnumberThe new width.

Returns

void

Inherited from

MapCanvasLayer.setWidth


tryGetBuffer()

tryGetBuffer(): undefined | MapCanvasLayerCanvasInstance

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:118

Attempts to get this layer's buffer canvas instance.

Returns

undefined | MapCanvasLayerCanvasInstance

This layer's buffer canvas instance, or undefined if it has not been initialized.

Inherited from

MapCanvasLayer.tryGetBuffer


tryGetDisplay()

tryGetDisplay(): undefined | MapCanvasLayerCanvasInstance

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:110

Attempts to get this layer's display canvas instance.

Returns

undefined | MapCanvasLayerCanvasInstance

This layer's display canvas instance, or undefined if it has not been initialized.

Inherited from

MapCanvasLayer.tryGetDisplay


updateCanvasSize()

protected updateCanvasSize(): void

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:234

Updates the canvas element's size.

Returns

void

Inherited from

MapCanvasLayer.updateCanvasSize


updateFromProjectedSize()

protected updateFromProjectedSize(projectedSize): void

Defined in: src/sdk/components/map/layers/MapSyncedCanvasLayer.ts:20

Updates this layer according to the current size of the projected map window.

Parameters

ParameterTypeDescription
projectedSizeReadonlyFloat64ArrayThe size of the projected map window.

Returns

void


updateFromVisibility()

protected updateFromVisibility(): void

Defined in: src/sdk/components/map/layers/MapCanvasLayer.tsx:196

Updates this layer according to its current visibility.

Returns

void

Inherited from

MapCanvasLayer.updateFromVisibility