BlockSuite API Documentation / @blocksuite/blocks / CanvasRenderer

Class: CanvasRenderer

Constructors

new CanvasRenderer()

new CanvasRenderer(options): CanvasRenderer

Parameters

• options: RendererOptions

Returns

CanvasRenderer

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:54

Properties

canvas

canvas: HTMLCanvasElement

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:41

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ctx

ctx: CanvasRenderingContext2D

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:42

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elementRenderers

elementRenderers: Record<string, ElementRenderer>

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:43

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grid

grid: GridManager

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:44

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layerManager

layerManager: LayerManager

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:45

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provider

provider: Partial<EnvProvider>

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:46

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stackingCanvasUpdated

stackingCanvasUpdated: Slot<object>

Type declaration

added

added: HTMLCanvasElement[]

canvases

canvases: HTMLCanvasElement[]

removed

removed: HTMLCanvasElement[]

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:47

---

viewport

viewport: Viewport

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:52

Accessors

stackingCanvas

get stackingCanvas(): HTMLCanvasElement[]

Returns

HTMLCanvasElement[]

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:53

Methods

addOverlay()

addOverlay(overlay): void

Parameters

• overlay: Overlay

Returns

void

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:68

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attach()

attach(container): void

Used to attach main canvas, main canvas will always exist

Parameters

• container: HTMLElement

Returns

void

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:73

---

dispose()

dispose(): void

Returns

void

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:74

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generateColorProperty()

generateColorProperty(color, fallback): string

Parameters

• color: Color

• fallback: string

Returns

string

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:75

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getCanvasByBound()

getCanvasByBound(bound?, surfaceElements?, canvas?, clearBeforeDrawing?, withZoom?): HTMLCanvasElement

Parameters

• bound?: IBound

• surfaceElements?: SurfaceElementModel<BaseElementProps>[]

• canvas?: HTMLCanvasElement

• clearBeforeDrawing?: boolean

• withZoom?: boolean

Returns

HTMLCanvasElement

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:76

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getColorScheme()

getColorScheme(): ColorScheme

Returns

ColorScheme

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:77

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getColorValue()

getColorValue(color, fallback?, real?): string

Parameters

• color: Color

• fallback?: string

• real?: boolean

Returns

string

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:78

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getPropertyValue()

getPropertyValue(property): string

Parameters

• property: string

Returns

string

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:79

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refresh()

refresh(): void

Returns

void

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:80

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removeOverlay()

removeOverlay(overlay): void

Parameters

• overlay: Overlay

Returns

void

Defined in

packages/affine/block-surface/dist/renderer/canvas-renderer.d.ts:81