Class DataUtil

Hierarchy

DataUtil

Constructors

constructor

new DataUtil(): DataUtil

Returns DataUtil

Properties

Static crc32table

crc32table: string[] = ...

Methods

Static UInt8ArrayToDataURL

UInt8ArrayToDataURL(uint8array: Uint8Array, width: number, height: number): string

- Defined in foundation/misc/DataUtil.ts:97
Parameters
- uint8array: Uint8Array
- width: number
- height: number
Returns string

Static accessArrayBufferAsImage

accessArrayBufferAsImage(arrayBuffer: ArrayBuffer | Uint8Array, imageType: string): string

- Defined in foundation/misc/DataUtil.ts:269
Parameters
- arrayBuffer: ArrayBuffer | Uint8Array
- imageType: string
Returns string

Static accessBinaryAsImage

accessBinaryAsImage(bufferViewIndex: number, json: any, buffer: ArrayBuffer | Uint8Array, mimeType: string): string

- Defined in foundation/misc/DataUtil.ts:229
Parameters
- bufferViewIndex: number
- json: any
- buffer: ArrayBuffer | Uint8Array
- mimeType: string
Returns string

Static addPaddingBytes

addPaddingBytes(originalByteLength: number, byteAlign: number): number

- Defined in foundation/misc/DataUtil.ts:545
Parameters
- originalByteLength: number
- byteAlign: number
Returns number

Static arrayBufferToString

arrayBufferToString(arrayBuffer: ArrayBuffer): string

- Defined in foundation/misc/DataUtil.ts:60
Parameters
- arrayBuffer: ArrayBuffer
Returns string

Static atob

atob(str: string): string

- Defined in foundation/misc/DataUtil.ts:39
Parameters
- str: string
Returns string

Static base64ToArrayBuffer

base64ToArrayBuffer(base64: string): ArrayBufferLike

- Defined in foundation/misc/DataUtil.ts:87
Parameters
- base64: string
Returns ArrayBufferLike

Static btoa

btoa(str: string): string

- Defined in foundation/misc/DataUtil.ts:24
Parameters
- str: string
Returns string

Static calcPaddingBytes

calcPaddingBytes(originalByteLength: number, byteAlign: number): number

- Defined in foundation/misc/DataUtil.ts:536
Parameters
- originalByteLength: number
- byteAlign: number
Returns number

Static copyArrayBuffer

copyArrayBuffer(param0: { copyByteLength: number; dist: ArrayBuffer; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }): ArrayBuffer

- Defined in foundation/misc/DataUtil.ts:641
get a copy of the src arraybuffer

Parameters
- param0: { copyByteLength: number; dist: ArrayBuffer; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }
  
  copy description
  - copyByteLength: number
  - dist: ArrayBuffer
  - distByteOffset: number
  - src: ArrayBuffer
  - srcByteOffset: number
Returns ArrayBuffer
copied memory as ArrayBuffer

Static copyArrayBufferAs4Bytes

copyArrayBufferAs4Bytes(param0: { copyByteLength: number; dist: ArrayBuffer; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }): ArrayBuffer

- Defined in foundation/misc/DataUtil.ts:699
get a copy of the src arraybuffer

Parameters
- param0: { copyByteLength: number; dist: ArrayBuffer; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }
  
  copy description
  - copyByteLength: number
  - dist: ArrayBuffer
  - distByteOffset: number
  - src: ArrayBuffer
  - srcByteOffset: number
Returns ArrayBuffer
copied memory as ArrayBuffer

Static copyArrayBufferAs4BytesWithPadding

copyArrayBufferAs4BytesWithPadding(param0: { copyByteLength: number; dist: ArrayBuffer; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }): ArrayBuffer

- Defined in foundation/misc/DataUtil.ts:730
get a copy of the src arraybuffer with padding to be 4bytes aligined

Parameters
- param0: { copyByteLength: number; dist: ArrayBuffer; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }
  
  copy description
  - copyByteLength: number
  - dist: ArrayBuffer
  - distByteOffset: number
  - src: ArrayBuffer
  - srcByteOffset: number
Returns ArrayBuffer
copied memory as ArrayBuffer

Static copyArrayBufferWithPadding

copyArrayBufferWithPadding(param0: { copyByteLength: number; dist: ArrayBuffer; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }): ArrayBuffer

- Defined in foundation/misc/DataUtil.ts:665
get a copy of the src arraybuffer

Parameters
- param0: { copyByteLength: number; dist: ArrayBuffer; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }
  
  copy description
  - copyByteLength: number
  - dist: ArrayBuffer
  - distByteOffset: number
  - src: ArrayBuffer
  - srcByteOffset: number
Returns ArrayBuffer
copied memory as ArrayBuffer

Static createBlobImageUriFromUint8Array

createBlobImageUriFromUint8Array(uint8Array: Uint8Array, mimeType: string): string

- Defined in foundation/misc/DataUtil.ts:243
Parameters
- uint8Array: Uint8Array
- mimeType: string
Returns string

Static createDefaultGltfOptions

createDefaultGltfOptions(): GltfLoadOption

- Defined in foundation/misc/DataUtil.ts:408
Returns GltfLoadOption

Static createImageFromUri

createImageFromUri(uri: string, mimeType: string): RnPromise<HTMLImageElement>

- Defined in foundation/misc/DataUtil.ts:363
Parameters
- uri: string
- mimeType: string
Returns RnPromise<HTMLImageElement>

Static createUint8ArrayFromBufferViewInfo

createUint8ArrayFromBufferViewInfo(json: glTF1 | RnM2, bufferViewIndex: number, buffer: ArrayBuffer | Uint8Array): Uint8Array

- Defined in foundation/misc/DataUtil.ts:346
Parameters
- json: glTF1 | RnM2
- bufferViewIndex: number
- buffer: ArrayBuffer | Uint8Array
Returns Uint8Array

Static dataUriToArrayBuffer

dataUriToArrayBuffer(dataUri: string): ArrayBuffer

- Defined in foundation/misc/DataUtil.ts:48
Parameters
- dataUri: string
Returns ArrayBuffer

Static detectTransparentPixelExistence

detectTransparentPixelExistence(image: HTMLCanvasElement | HTMLImageElement | ImageData, threshold?: number): boolean

- Defined in foundation/misc/DataUtil.ts:493
Parameters
- image: HTMLCanvasElement | HTMLImageElement | ImageData
- threshold: number = 1.0
Returns boolean

Static fetchArrayBuffer

fetchArrayBuffer(uri: string): Promise<IResult<ArrayBuffer, unknown>>

- Defined in foundation/misc/DataUtil.ts:441
Parameters
- uri: string
Returns Promise<IResult<ArrayBuffer, unknown>>

Static getCopy

getCopy(param0: { copyByteLength: number; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }): ArrayBuffer

- Defined in foundation/misc/DataUtil.ts:588
get a copy of the src arraybuffer

Parameters
- param0: { copyByteLength: number; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }
  
  copy description
  - copyByteLength: number
  - distByteOffset: number
  - src: ArrayBuffer
  - srcByteOffset: number
Returns ArrayBuffer
copied memory as ArrayBuffer

Static getCopyAs4Bytes

getCopyAs4Bytes(param0: { copyByteLength: number; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }): ArrayBuffer

- Defined in foundation/misc/DataUtil.ts:611
get a copy of the src arraybuffer

Parameters
- param0: { copyByteLength: number; distByteOffset: number; src: ArrayBuffer; srcByteOffset: number }
  
  copy description
  - copyByteLength: number
  - distByteOffset: number
  - src: ArrayBuffer
  - srcByteOffset: number
Returns ArrayBuffer
copied memory as ArrayBuffer

Static getExtension

getExtension(fileName: string): string

- Defined in foundation/misc/DataUtil.ts:340
Parameters
- fileName: string
Returns string

Static getImageType

getImageType(imageType: string): string

- Defined in foundation/misc/DataUtil.ts:301
Parameters
- imageType: string
Returns string

Static getMimeTypeFromExtension

getMimeTypeFromExtension(extension: string): string

- Defined in foundation/misc/DataUtil.ts:321
Parameters
- extension: string
Returns string

Static getNearestPowerOfTwo

getNearestPowerOfTwo(x: number): number

- Defined in foundation/misc/DataUtil.ts:532
get a value nearest power of two.

Parameters
- x: number
  
  texture size.
Returns number
a value nearest power of two.

Static getResizedCanvas

getResizedCanvas(image: HTMLImageElement, maxSize: number): [HTMLCanvasElement, number, number]

- Defined in foundation/misc/DataUtil.ts:456
Parameters
- image: HTMLImageElement
- maxSize: number
Returns [HTMLCanvasElement, number, number]

Static isNode

isNode(): boolean

- Defined in foundation/misc/DataUtil.ts:16
Returns boolean

Static loadResourceAsync

loadResourceAsync(resourceUri: string, isBinary: boolean, resolveCallback: Function, rejectCallback: Function): Promise<any>

- Defined in foundation/misc/DataUtil.ts:140
Parameters
- resourceUri: string
- isBinary: boolean
- resolveCallback: Function
- rejectCallback: Function
Returns Promise<any>

Static normalizedInt16ArrayToFloat32Array

normalizedInt16ArrayToFloat32Array(from: number[] | Int16Array): Float32Array

- Defined in foundation/misc/DataUtil.ts:567
Parameters
- from: number[] | Int16Array
Returns Float32Array

Static normalizedInt8ArrayToFloat32Array

normalizedInt8ArrayToFloat32Array(from: number[] | Int8Array): Float32Array

- Defined in foundation/misc/DataUtil.ts:551
Parameters
- from: number[] | Int8Array
Returns Float32Array

Static normalizedUint16ArrayToFloat32Array

normalizedUint16ArrayToFloat32Array(from: number[] | Uint16Array): Float32Array

- Defined in foundation/misc/DataUtil.ts:575
Parameters
- from: number[] | Uint16Array
Returns Float32Array

Static normalizedUint8ArrayToFloat32Array

normalizedUint8ArrayToFloat32Array(from: number[] | Uint8Array): Float32Array

- Defined in foundation/misc/DataUtil.ts:559
Parameters
- from: number[] | Uint8Array
Returns Float32Array

Static stringToBase64

stringToBase64(str: string): string

- Defined in foundation/misc/DataUtil.ts:81
Parameters
- str: string
Returns string

Static stringToBuffer

stringToBuffer(src: string): ArrayBuffer

- Defined in foundation/misc/DataUtil.ts:760
Parameters
- src: string
Returns ArrayBuffer

Static takeBufferViewAsUint8Array

takeBufferViewAsUint8Array(json: RnM2, bufferViewIndex: number, buffer: ArrayBuffer | Uint8Array): Uint8Array

- Defined in foundation/misc/DataUtil.ts:252
Parameters
- json: RnM2
- bufferViewIndex: number
- buffer: ArrayBuffer | Uint8Array
Returns Uint8Array

Static toCRC32

toCRC32(str: string): number

- Defined in foundation/misc/DataUtil.ts:213
Parameters
- str: string
Returns number

Static uint8ArrayToString

uint8ArrayToString(uint8Array: Uint8Array): string

- Defined in foundation/misc/DataUtil.ts:71
Parameters
- uint8Array: Uint8Array
Returns string

Static uint8ArrayToStringInner

uint8ArrayToStringInner(uint8: Uint8Array): string

- Defined in foundation/misc/DataUtil.ts:281
Parameters
- uint8: Uint8Array
Returns string

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