Gets the value determining if Alpha channel is overlayed in the output image.
var instance = new Vintasoft.Imaging.ImageProcessing.WebImageSharpeningCommandJS();
var value; // Type: number
value = instance.get_OverlayAlpha();
function get_OverlayAlpha() : number;
Return Value
1 - High Pass result is overlayed without transparency; otherwise, output image is converted to Bgra32 and High Pass result is overlayed using selected Alpha value. Default value is 1.
