Class ImageEncoder

Index

Constructors

Methods

encodeCanvas indexPixels isPixelNonWhite

Constructors

constructor

new ImageEncoder(): ImageEncoder
Returns ImageEncoder

Methods

`Static`encodeCanvas

encodeCanvas(
canvas: HTMLCanvasElement,
printDirection?: PrintDirection,
): EncodedImage
printDirection = "left" rotates image for 90 degrees clockwise
Parameters
- canvas: HTMLCanvasElement
- printDirection: PrintDirection = "left"
Returns EncodedImage
- Defined in src/image_encoder.ts:28

`Static`indexPixels

indexPixels(data: Uint8Array): Uint8Array
Parameters
- data: Uint8Array
  Pixels encoded by encodeCanvas (byte is 8 pixels)
Returns Uint8Array
Array of indexes where every index stored in two bytes (big endian)
- Defined in src/image_encoder.ts:125

`Static`isPixelNonWhite

isPixelNonWhite(
    iData: ImageData,
    x: number,
    y: number,
    printDirection?: PrintDirection,
): boolean
printDirection = "left" rotates image to 90 degrees clockwise
Parameters
- iData: ImageData
- x: number
- y: number
- printDirection: PrintDirection = "left"
Returns boolean
- Defined in src/image_encoder.ts:105