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Class: MapCullableLocationTextLabel

Defined in: src/sdk/components/map/MapCullableTextLabel.ts:34

A cullable (hides labels that collide with other labels) text label associated with a specific geographic location.

Extends​

Extended by​

Implements​

Constructors​

Constructor​

new MapCullableLocationTextLabel(text, priority, location, alwaysShow, options?): MapCullableLocationTextLabel

Defined in: src/sdk/components/map/MapCullableTextLabel.ts:54

Constructor.

Parameters​

ParameterTypeDescription
textstring | Subscribable<string>The text of this label, or a subscribable which provides it.
prioritynumber | Subscribable<number>The priority of this label, or a subscribable which provides it.
locationGeoPointInterface | Subscribable<GeoPointInterface>The geographic location of this label, or a subscribable which provides it.
alwaysShowboolean | Subscribable<boolean>Whether this label is immune to culling, or a subscribable which provides it.
options?MapLocationTextLabelOptionsOptions with which to initialize this label.

Returns​

MapCullableLocationTextLabel

Overrides​

MapLocationTextLabel.constructor

Properties​

alwaysShow​

readonly alwaysShow: Subscribable<boolean>

Defined in: src/sdk/components/map/MapCullableTextLabel.ts:36

Whether this label is immune to culling.

Implementation of​

MapCullableTextLabel.alwaysShow


anchor​

readonly anchor: Subscribable<Readonly<Omit<Float64Array<ArrayBufferLike>, "set" | "sort" | "copyWithin">>>

Defined in: src/sdk/components/map/MapTextLabel.ts:112

The anchor point of this label, expressed relative to this label's width/height. [0, 0] is the top-left corner, and [1, 1] is the bottom-right corner.

Inherited from​

MapLocationTextLabel.anchor


bgBorderRadius​

readonly bgBorderRadius: Subscribable<number>

Defined in: src/sdk/components/map/MapTextLabel.ts:139

The border radius of this label's background.

Inherited from​

MapLocationTextLabel.bgBorderRadius


bgColor​

readonly bgColor: Subscribable<string>

Defined in: src/sdk/components/map/MapTextLabel.ts:133

This label's background color.

Inherited from​

MapLocationTextLabel.bgColor


bgOutlineColor​

readonly bgOutlineColor: Subscribable<string>

Defined in: src/sdk/components/map/MapTextLabel.ts:145

The outline color of this label's background.

Inherited from​

MapLocationTextLabel.bgOutlineColor


bgOutlineWidth​

readonly bgOutlineWidth: Subscribable<number>

Defined in: src/sdk/components/map/MapTextLabel.ts:142

The outline width of this label's background.

Inherited from​

MapLocationTextLabel.bgOutlineWidth


bgPadding​

readonly bgPadding: Subscribable<Readonly<Omit<Float64Array<ArrayBufferLike>, "set" | "sort" | "copyWithin">>>

Defined in: src/sdk/components/map/MapTextLabel.ts:136

The padding of this label's background, in pixels. Expressed as [top, right, bottom, left].

Inherited from​

MapLocationTextLabel.bgPadding


bounds​

readonly bounds: Float64Array<ArrayBuffer>

Defined in: src/sdk/components/map/MapCullableTextLabel.ts:39

The bounding box of this label, as [left, top, right, bottom].

Implementation of​

MapCullableTextLabel.bounds


drawData​

protected readonly drawData: object

Defined in: src/sdk/components/map/MapTextLabel.ts:159

size​

size: Float64Array<ArrayBufferLike>

textSize​

textSize: Float64Array<ArrayBufferLike>

textTopLeft​

textTopLeft: Float64Array<ArrayBufferLike>

topLeft​

topLeft: Float64Array<ArrayBufferLike>

Inherited from​

MapLocationTextLabel.drawData


font​

readonly font: Subscribable<string>

Defined in: src/sdk/components/map/MapTextLabel.ts:115

The font type of this label.

Inherited from​

MapLocationTextLabel.font


fontColor​

readonly fontColor: Subscribable<string>

Defined in: src/sdk/components/map/MapTextLabel.ts:121

The font color of this label.

Inherited from​

MapLocationTextLabel.fontColor


fontOutlineColor​

readonly fontOutlineColor: Subscribable<string>

Defined in: src/sdk/components/map/MapTextLabel.ts:127

The font outline color of this label.

Inherited from​

MapLocationTextLabel.fontOutlineColor


fontOutlineWidth​

readonly fontOutlineWidth: Subscribable<number>

Defined in: src/sdk/components/map/MapTextLabel.ts:124

The font outline width of this label, in pixels.

Inherited from​

MapLocationTextLabel.fontOutlineWidth


fontSize​

readonly fontSize: Subscribable<number>

Defined in: src/sdk/components/map/MapTextLabel.ts:118

The font size of this label, in pixels.

Inherited from​

MapLocationTextLabel.fontSize


invalidation​

readonly invalidation: SubEventInterface<MapCullableLocationTextLabel, void>

Defined in: src/sdk/components/map/MapCullableTextLabel.ts:42

An invalidation event.

Implementation of​

MapCullableTextLabel.invalidation


location​

readonly location: Subscribable<GeoPointInterface>

Defined in: src/sdk/components/map/MapTextLabel.ts:383

Inherited from​

MapLocationTextLabel.location


offset​

readonly offset: Subscribable<Readonly<Omit<Float64Array<ArrayBufferLike>, "set" | "sort" | "copyWithin">>>

Defined in: src/sdk/components/map/MapTextLabel.ts:385

Inherited from​

MapLocationTextLabel.offset


onDraw​

readonly onDraw: ReadonlySubEvent<MapCullableLocationTextLabel, AbstractMapTextLabelDrawData>

Defined in: src/sdk/components/map/MapTextLabel.ts:157

An event that notifies subscribers when this label is drawn (when draw() is called). The sender of the event is this label. The event data describes the draw operation that triggered the event. When the draw operation did not draw a visible label, the event is triggered with all NaN values.

The data object passed to event handlers is only guaranteed to be valid at the moment the handler is called. If a handler needs to retain the data past this moment, then it is recommended that a copy of the data be made.

Inherited from​

MapLocationTextLabel.onDraw


priority​

readonly priority: Subscribable<number>

Defined in: src/sdk/components/map/MapTextLabel.ts:106

The render priority of this label. Higher numbers will render on top of labels with lower numbers when used with a MapCullableTextLabelManager.

Implementation of​

MapCullableTextLabel.priority

Inherited from​

MapLocationTextLabel.priority


showBg​

readonly showBg: Subscribable<boolean>

Defined in: src/sdk/components/map/MapTextLabel.ts:130

Whether to show the background for this label.

Inherited from​

MapLocationTextLabel.showBg


text​

readonly text: Subscribable<string>

Defined in: src/sdk/components/map/MapTextLabel.ts:103

The text of this label.

Implementation of​

MapCullableTextLabel.text

Inherited from​

MapLocationTextLabel.text


tempVec2​

protected readonly static tempVec2: Float64Array<ArrayBuffer>

Defined in: src/sdk/components/map/MapTextLabel.ts:100

Inherited from​

MapLocationTextLabel.tempVec2

Methods​

destroy()​

destroy(): void

Defined in: src/sdk/components/map/MapCullableTextLabel.ts:118

Destroys this label.

Returns​

void


draw()​

draw(context, mapProjection): void

Defined in: src/sdk/components/map/MapTextLabel.ts:209

Draws this label to a canvas.

Parameters​

ParameterTypeDescription
contextCanvasRenderingContext2DThe canvas rendering context to use to draw.
mapProjectionMapProjectionThe projection to use to project the location of the label.

Returns​

void

Implementation of​

MapCullableTextLabel.draw

Inherited from​

MapLocationTextLabel.draw


drawBackground()​

protected drawBackground(context, centerX, centerY, width, height): void

Defined in: src/sdk/components/map/MapTextLabel.ts:296

Draws this label's background to a canvas.

Parameters​

ParameterTypeDescription
contextCanvasRenderingContext2DThe canvas rendering context.
centerXnumberThe x-coordinate of the center of the label, in pixels.
centerYnumberthe y-coordinate of the center of the label, in pixels.
widthnumberThe width of the background, in pixels.
heightnumberThe height of the background, in pixels.

Returns​

void

Inherited from​

MapLocationTextLabel.drawBackground


drawText()​

protected drawText(context, centerX, centerY): void

Defined in: src/sdk/components/map/MapTextLabel.ts:275

Draws this label's text to a canvas.

Parameters​

ParameterTypeDescription
contextCanvasRenderingContext2DThe canvas rendering context.
centerXnumberThe x-coordinate of the center of the label, in pixels.
centerYnumberthe y-coordinate of the center of the label, in pixels.

Returns​

void

Inherited from​

MapLocationTextLabel.drawText


getLastDrawData()​

getLastDrawData(): AbstractMapTextLabelDrawData

Defined in: src/sdk/components/map/MapTextLabel.ts:204

Gets data describing this label's last executed drawing operation (the last time that draw() was called). If the label has not been drawn yet or the last draw operation did not draw a visible label, then the data will report all NaN values.

Returns​

AbstractMapTextLabelDrawData

Data describing this label's last executed drawing operation. The returned data object passed is only guaranteed to be valid at the moment it is returned. If you need to retain the data past this moment, then it is recommended that a copy of the data be made.

Inherited from​

MapLocationTextLabel.getLastDrawData


getPosition()​

protected getPosition(mapProjection, out): Float64Array

Defined in: src/sdk/components/map/MapTextLabel.ts:407

Gets the projected position of the label, in pixels.

Parameters​

ParameterTypeDescription
mapProjectionMapProjectionThe map projection to use.
outFloat64ArrayThe vector to which to write the result.

Returns​

Float64Array

The projected position of the label.

Inherited from​

MapLocationTextLabel.getPosition


loadBackgroundPath()​

protected loadBackgroundPath(context, left, top, width, height, radius): void

Defined in: src/sdk/components/map/MapTextLabel.ts:347

Loads the path of this label's background to a canvas rendering context.

Parameters​

ParameterTypeDescription
contextCanvasRenderingContext2DThe canvas rendering context to use.
leftnumberThe x-coordinate of the left edge of the background, in pixels.
topnumberThe y-coordinate of the top edge of the background, in pixels.
widthnumberThe width of the background, in pixels.
heightnumberThe height of the background, in pixels.
radiusnumberThe border radius of the background, in pixels.

Returns​

void

Inherited from​

MapLocationTextLabel.loadBackgroundPath


setTextStyle()​

protected setTextStyle(context): void

Defined in: src/sdk/components/map/MapTextLabel.ts:263

Loads this label's text style to a canvas rendering context.

Parameters​

ParameterTypeDescription
contextCanvasRenderingContext2DThe canvas rendering context to use.

Returns​

void

Inherited from​

MapLocationTextLabel.setTextStyle


updateBounds()​

updateBounds(mapProjection): void

Defined in: src/sdk/components/map/MapCullableTextLabel.ts:86

Updates this label's bounding box.

Parameters​

ParameterTypeDescription
mapProjectionMapProjectionThe map projection to use.

Returns​

void

Implementation of​

MapCullableTextLabel.updateBounds