Get Barcode Placement Region and Orientation Angle

In some cases, developers may need to get information about the placement region of a source barcode and its orientation angle. To enable such a possibility, Aspose.BarCode for .NET provides a group of properties called RegionParameters that stores the following information:

• Quadrangle – a quadrangle object that bounds a barcode
• Rectangle - a rectangle object that bounds a barcode
• Points – an array of points constituting a barcode
• Angle – an orientation angle in degrees

The following code sample illustrates how to get the information about barcode placement region and orientation angle for the example barcode image provided below.

//recognize image
Console.WriteLine("ReadExtRegion:");
using (BarCodeReader read = new BarCodeReader($"{path}qr_code128.png", DecodeType.QR, DecodeType.Code128))
{
    foreach (BarCodeResult result in read.ReadBarCodes())
    {
        Console.WriteLine($"CodeType:{result.CodeTypeName}");
        Console.WriteLine($"CodeText:{result.CodeText}");
        Console.WriteLine($"Quadrangle:{result.Region.Quadrangle.ToString()}");
        Console.WriteLine($"Angle:{result.Region.Angle.ToString()}");
        Console.WriteLine($"Rectangle:{result.Region.Rectangle.ToString()}");
        string ptStr = "";
        foreach (Point pt in result.Region.Points)
            ptStr += pt.ToString() + "";
        Console.WriteLine($"Points:{ptStr}");
    }
}