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Auxiliary APIs

API Name	Description
ifSaveOriginalImageInACanvas	Whether to save the original image into a < canvas> element.
getOriginalImageInACanvas()	Returns an `HTMLCanvasElement` that holds the original image.

ifSaveOriginalImageInACanvas

Whether to save the original image into a < canvas> element. The original image refers to the actual image the library tried to read labels from.

Note that the result is an HTMLCanvasElement element and you can insert it into the DOM to show the image.

ifSaveOriginalImageInACanvas: boolean;

Default value

false

Code snippet

recognizer.ifSaveOriginalImageInACanvas = true;
let results = await recognizer.recognize(source);
document.body.append(recognizer.getOriginalImageInACanvas());

getOriginalImageInACanvas

An HTMLCanvasElement that holds the original image. The original image refers to the actual image the library tried to read labels from.

getOriginalImageInACanvas(): HTMLCanvasElement | OffscreenCanvas

Code snippet

recognizer.ifSaveOriginalImageInACanvas = true;
let results = await recognizer.recognize(source);
document.body.append(recognizer.getOriginalImageInACanvas());

See also