set_ScanRectangle Method

In This Topic

Sets the rectangle on image, where barcodes must be searched.

Syntax

Javascript (Usage)
Javascript (Specification)

var instance = new Vintasoft.Barcode.WebBarcodeReaderSettingsJS();

var returnValue; // Type: any

// Parameters
var x; // Type: number
var y; // Type: number
var w; // Type: number
var h; // Type: number

returnValue = instance.set_ScanRectangle(x, y, w, h);

function set_ScanRectangle(
   xCoordinate of the left top corner of the rectangle.
 : number, 
   yCoordinate of the left top corner of the rectangle.
 : number, 
   wWidth of the rectangle.
 : number, 
   hHeight of the rectangle.
 : number
) : any;

Parameters

x: Coordinate of the left top corner of the rectangle.
y: Coordinate of the left top corner of the rectangle.
w: Width of the rectangle.
h: Height of the rectangle.

Exceptions

Exception	Description
	Thrown if arguments have wrong types.

Browser Compatibility

Reference

WebBarcodeReaderSettingsJS Class
WebBarcodeReaderSettingsJS Members

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