canvas sandbox

mode

resize

rect


hist

img



save

minilab

documentation

 
declare const cvs: HTMLCanvasElement
declare const cxt: CanvasRenderingContext2D
declare const img: HTMLImageElement
var maxUndoHistoryBytes = 0x80000000 // 128 MiB

/* call before making changes to cvs to preserve undo history */
declare function undoable(): void

declare function toBlob(type = "image/png", quality?: number): Promise<Blob>
declare function toBlobURL(type = "image/png", quality?: number): Promise<string>