Class SliceViewRenderHelper

Helper for rendering a SliceView that has been pre-rendered to a texture.

Hierarchy

RefCounted
- SliceViewRenderHelper

Index

Constructors

Properties

copyVertexPositionsBuffer disposedStacks gl refCount shader textureCoordinateAdjustment wasDisposed

Methods

addRef dispose disposed draw refCountReachedZero registerCancellable registerDisposer registerEventListener unregisterDisposer get

Constructors

constructor

new SliceViewRenderHelper(gl: GL, emitter: ShaderModule): SliceViewRenderHelper
Parameters
- gl: GL
- emitter: ShaderModule
Returns SliceViewRenderHelper
Overrides RefCounted.constructor
- Defined in src/neuroglancer/sliceview/frontend.ts:508

Properties

`Private` copyVertexPositionsBuffer

copyVertexPositionsBuffer: Buffer = ...

disposedStacks

disposedStacks: any

gl

gl: GL

refCount

refCount: number = 1

`Private` shader

shader: ShaderProgram

`Private` textureCoordinateAdjustment

textureCoordinateAdjustment: Float32Array = ...

wasDisposed

wasDisposed: undefined | boolean

Methods

addRef

addRef(): SliceViewRenderHelper
Returns SliceViewRenderHelper
Inherited from RefCounted.addRef
- Defined in src/neuroglancer/util/disposable.ts:48

dispose

dispose(): void
Returns void
Inherited from RefCounted.dispose
- Defined in src/neuroglancer/util/disposable.ts:53

disposed

disposed(): void
Returns void
Inherited from RefCounted.disposed
- Defined in src/neuroglancer/util/disposable.ts:75

draw

draw(texture: null | WebGLTexture, projectionMatrix: mat4, colorFactor: vec4, backgroundColor: vec4, xStart: number, yStart: number, xEnd: number, yEnd: number): void
Parameters
- texture: null | WebGLTexture
- projectionMatrix: mat4
- colorFactor: vec4
- backgroundColor: vec4
- xStart: number
- yStart: number
- xEnd: number
- yEnd: number
Returns void
- Defined in src/neuroglancer/sliceview/frontend.ts:536

`Protected` refCountReachedZero

refCountReachedZero(): void
Returns void
Inherited from RefCounted.refCountReachedZero
- Defined in src/neuroglancer/util/disposable.ts:66

registerCancellable

registerCancellable<T>(cancellable: T): T
Type Parameters
- T extends {
  cancel: (() => void);
  }
Parameters
- cancellable: T
Returns T
Inherited from RefCounted.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
Inherited from RefCounted.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
Inherited from RefCounted.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
Inherited from RefCounted.unregisterDisposer
- Defined in src/neuroglancer/util/disposable.ts:85

`Static` get

get(gl: GL, emitter: ShaderModule): SliceViewRenderHelper
Parameters
- gl: GL
- emitter: ShaderModule
Returns SliceViewRenderHelper
- Defined in src/neuroglancer/sliceview/frontend.ts:562

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