Namespace ImageUtils

Index

Functions

Functions

createBlankGifImageData

createBlankGifImageData(width: number, height: number): Uint8Array

Returns a blank GIF image with the specified dimensions.

Parameters
- width: number
  
  The width of the image in pixels.
- height: number
  
  The height of the image in pixels.
Returns Uint8Array

createBlankSvgImageDataUri

createBlankSvgImageDataUri(width: number, height: number, fillColor: string): string

Returns an blank SVG image with the specified dimensions and background color. The image result is returned as a base64 data URI

Parameters
- width: number
  
  The width of the image in pixels
- height: number
  
  The height of the image in pixels
- fillColor: string
  
  The fillColor. A hex-string or the keyword 'none' for a transparent picture
Returns string

getImageDimensions

getImageDimensions(uintArray: Uint8Array): IDimensions | null

Returns the dimensions of the specified image, or null if unable to do so.

Parameters
- uintArray: Uint8Array
  
  The image data.
Returns IDimensions | null

waitUntilImageLoaded

waitUntilImageLoaded(element: HTMLImageElement, timeoutMs: number): Promise<void>

Returns a promise that will resolve when the provided image element has loaded, or when the timeoutMs number of milliseconds have elapsed.

Parameters
- element: HTMLImageElement
  
  The element to wait for.
- timeoutMs: number
  
  The timeout in milliseconds.
Returns Promise<void>

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