setBarCodeImage

setBarCodeImage(object, object)

Sets bitmap image and areas for recognition. Must be called before ReadBarCodes() method.

setBarCodeImage(imageResource, ...areas)

Parameter	Type	Description
imageResource	object	The image for recognition.
…areas	object

Examples

//This sample shows how to detect Code39 and Code128 barcodes.
let bmp = "test.png";
let reader = new BarCodeReader();
reader.setBarCodeReadType([ DecodeType.CODE_39, DecodeType.CODE_128 ]);
var img = new Image();
img.src = 'path_to_image';
width = img.width;
height = img.height;
reader.setBarCodeImage(bmp, new Rectangle[] { new Rectangle(0, 0, width, height) });
let results = reader.readBarCodes();
for(let i = 0; i < results.length; i++)
{
let result = results[i];
console.log("BarCode Type: " + result.getCodeTypeName());
console.log("BarCode CodeText: " + result.getCodeText());
}

See Also

• class BarCodeReader
• assembly Aspose.BarCode