Class SliceViewRenderLayerBackend

Base class for defining a SharedObject type that will never be owned.

Hierarchy

SharedObjectCounterpart
- SliceViewRenderLayerBackend

Implements

Constructors

constructor

new SliceViewRenderLayerBackend(rpc: RPC, options: any): SliceViewRenderLayerBackend
Parameters
- rpc: RPC
- options: any
Returns SliceViewRenderLayerBackend
Overrides SharedObjectCounterpart.constructor
- Defined in src/neuroglancer/sliceview/backend.ts:343

Properties

RPC_TYPE_ID

RPC_TYPE_ID: string

Should be set to a constant specifying the SharedObject type identifier on the prototype of final derived owner classes. It is not used on counterpart (non-owner) classes.

chunkManagerGeneration

chunkManagerGeneration: number

disposedStacks

disposedStacks: any

isOwner

isOwner: undefined | boolean

localPosition

localPosition: WatchableValueInterface<Float32Array>

Current position of non-global layer dimensions.

numPrefetchChunksAvailable

numPrefetchChunksAvailable: number

numPrefetchChunksNeeded

numPrefetchChunksNeeded: number

numVisibleChunksAvailable

numVisibleChunksAvailable: number

numVisibleChunksNeeded

numVisibleChunksNeeded: number

refCount

refCount: number = 1

referencedGeneration

referencedGeneration: number

renderScaleTarget

renderScaleTarget: SharedWatchableValue<number>

rpc

rpc: null | RPC = null

rpcId

rpcId: number

unreferencedGeneration

unreferencedGeneration: number

wasDisposed

wasDisposed: undefined | boolean

Methods

addCounterpartRef

addCounterpartRef(): {
gen: number;
id: null | number;
}
Precondition: this.isOwner === true.

Returns {
gen: number;
id: null | number;
}
- gen: number
- id: null | number
Implementation of ChunkRenderLayerBackend.addCounterpartRef

Inherited from SharedObjectCounterpart.addCounterpartRef
- Defined in src/neuroglancer/worker_rpc.ts:199

addRef

addRef(): SliceViewRenderLayerBackend
Returns SliceViewRenderLayerBackend
Implementation of ChunkRenderLayerBackend.addRef

Inherited from SharedObjectCounterpart.addRef
- Defined in src/neuroglancer/util/disposable.ts:48

counterpartRefCountReachedZero

counterpartRefCountReachedZero(generation: number): void
Precondition: this.isOwner === true.

This should be called when the counterpart's refCount is decremented and reaches zero.
Parameters
- generation: number
Returns void
Implementation of ChunkRenderLayerBackend.counterpartRefCountReachedZero

Inherited from SharedObjectCounterpart.counterpartRefCountReachedZero
- Defined in src/neuroglancer/worker_rpc.ts:234

initializeCounterpart

initializeCounterpart(rpc: RPC, options?: any): void
Parameters
- rpc: RPC
- options: any = {}
Returns void
Implementation of ChunkRenderLayerBackend.initializeCounterpart

Inherited from SharedObjectCounterpart.initializeCounterpart
- Defined in src/neuroglancer/worker_rpc.ts:182

initializeSharedObject

initializeSharedObject(rpc: RPC, rpcId?: number): void
Parameters
- rpc: RPC
- rpcId: number = ...
Returns void
Implementation of ChunkRenderLayerBackend.initializeSharedObject

Inherited from SharedObjectCounterpart.initializeSharedObject
- Defined in src/neuroglancer/worker_rpc.ts:175

`Protected` ownerDispose

ownerDispose(): void
Precondition: this.isOwner === true.

Returns void
Implementation of ChunkRenderLayerBackend.ownerDispose

Inherited from SharedObjectCounterpart.ownerDispose
- Defined in src/neuroglancer/worker_rpc.ts:219

`Protected` refCountReachedZero

refCountReachedZero(): void
Returns void
Implementation of ChunkRenderLayerBackend.refCountReachedZero

Inherited from SharedObjectCounterpart.refCountReachedZero
- Defined in src/neuroglancer/worker_rpc.ts:203

registerCancellable

registerCancellable<T>(cancellable: T): T
Type Parameters
- T extends {
  cancel: (() => void);
  }
Parameters
- cancellable: T
Returns T
Implementation of ChunkRenderLayerBackend.registerCancellable

Inherited from SharedObjectCounterpart.registerCancellable
- Defined in src/neuroglancer/util/disposable.ts:100

registerDisposer

registerDisposer<T>(f: T): T
Type Parameters
- T extends Disposer
Parameters
- f: T
Returns T
Implementation of ChunkRenderLayerBackend.registerDisposer

Inherited from SharedObjectCounterpart.registerDisposer
- Defined in src/neuroglancer/util/disposable.ts:76

registerEventListener

registerEventListener(target: EventTarget, type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void
Parameters
- target: EventTarget
- type: string
- listener: EventListenerOrEventListenerObject
- Optional options: boolean | AddEventListenerOptions
Returns void
Implementation of ChunkRenderLayerBackend.registerEventListener

Inherited from SharedObjectCounterpart.registerEventListener
- Defined in src/neuroglancer/util/disposable.ts:95

unregisterDisposer

unregisterDisposer<T>(f: T): T
Type Parameters
- T extends Disposer
Parameters
- f: T
Returns T
Implementation of ChunkRenderLayerBackend.unregisterDisposer

Inherited from SharedObjectCounterpart.unregisterDisposer
- Defined in src/neuroglancer/util/disposable.ts:85

Class SliceViewRenderLayerBackend

Hierarchy

Implements

Index

Constructors

Properties

Methods

Constructors

constructor

Parameters

rpc: RPC

options: any

Returns SliceViewRenderLayerBackend

Properties

RPC_TYPE_ID

chunkManagerGeneration

disposedStacks

isOwner

localPosition

numPrefetchChunksAvailable

numPrefetchChunksNeeded

numVisibleChunksAvailable

numVisibleChunksNeeded

refCount

referencedGeneration

renderScaleTarget

rpc

rpcId

unreferencedGeneration

wasDisposed

Methods

addCounterpartRef

Returns { gen: number; id: null | number; }

gen: number

id: null | number

addRef

Returns SliceViewRenderLayerBackend

counterpartRefCountReachedZero

Parameters

generation: number

Returns void

dispose

Returns void

disposed

Returns void

filterVisibleSources

Parameters

sliceView: SliceViewBase<SliceViewChunkSource<SliceViewChunkSpecification<Uint32Array | Float32Array>>, SliceViewRenderLayer, TransformedSource<SliceViewRenderLayer, SliceViewChunkSource<SliceViewChunkSpecification<Uint32Array | Float32Array>>>>

sources: readonly TransformedSource<SliceViewRenderLayer, SliceViewChunkSource<SliceViewChunkSpecification<Uint32Array | Float32Array>>>[]

Returns Iterable<TransformedSource<SliceViewRenderLayer, SliceViewChunkSource<SliceViewChunkSpecification<Uint32Array | Float32Array>>>>

initializeCounterpart

Parameters

rpc: RPC

options: any = {}

Returns void

initializeSharedObject

Parameters

rpc: RPC

rpcId: number = ...

Returns void

Protected ownerDispose

Returns void

Protected refCountReachedZero

Returns void

registerCancellable

Type Parameters

T extends { cancel: (() => void); }

Parameters

cancellable: T

Returns T

registerDisposer

Type Parameters

T extends Disposer

Parameters

f: T

Returns T

registerEventListener

Parameters

target: EventTarget

type: string

Returns {
gen: number;
id: null | number;
}

`Protected` ownerDispose

`Protected` refCountReachedZero

T extends {
cancel: (() => void);
}

`Optional` options: boolean | AddEventListenerOptions