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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
Yes
No