Gets or sets the input canvas that will contain the area of the displayed image.
Object.defineProperty(SpyGlassPositionChangedEventArgs.prototype, 'inputCanvas',
get: function()
)
inputCanvas: HTMLCanvasElement; // read-only
CanvasElement which represents the input canvas that will contain the area of the displayed image.
If you want to do any image processing on the spy glass, you should use this canvas as an input canvas, modify it and then pass it to the output canvas Canvas.
Refer to SpyGlassAction
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