getImageBlob
getImageBlob(
canvas,page,shapes,options):Promise<Blob|null>
Get the blob image data of the given shapes.
Parameters
• canvas: Canvas
The editor’s canvas
• page: Page
The page to draw.
• shapes: Shape[]
The shapes to draw in the page. If empty, render all shapes in the page.
• options: Partial<ExportImageOptions>
The options for drawing.
Returns
Promise<Blob | null>
The blob image data of the shapes.