BarCodeReader.QualitySettings

BarCodeReader.QualitySettings property

QualitySettings allows to configure recognition quality and speed manually. You can quickly set up QualitySettings by embedded presets: HighPerformance, NormalQuality, HighQuality, MaxBarCodes or you can manually configure separate options. Default value of QualitySettings is NormalQuality.

public QualitySettings QualitySettings { get; set; }

Property Value

QualitySettings to configure recognition quality and speed.

Examples

This sample shows how to use QualitySettings with BarCodeReader

[C#]
using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
   //set high performance mode
   reader.QualitySettings = QualitySettings.HighPerformance;
   foreach (BarCodeResult result in reader.ReadBarCodes())
      Console.WriteLine("BarCode CodeText: " + result.CodeText);
}
using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
   //normal quality mode is set by default
   foreach (BarCodeResult result in reader.ReadBarCodes())
      Console.WriteLine("BarCode CodeText: " + result.CodeText);
}
using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39, DecodeType.Code128))
{
   //set high performance mode
   reader.QualitySettings = QualitySettings.HighPerformance;
   //set separate options
   reader.QualitySettings.AllowMedianSmoothing = true;
   reader.QualitySettings.MedianSmoothingWindowSize = 5;
   foreach (BarCodeResult result in reader.ReadBarCodes())
      Console.WriteLine("BarCode CodeText: " + result.CodeText);
}
[VB.NET]
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
    'set high performance mode
    reader.QualitySettings = QualitySettings.HighPerformance
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
    Next
End Using
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
    'normal quality mode is set by default
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
    Next
End Using
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39, DecodeType.Code128)
   'set high performance mode
   reader.QualitySettings = QualitySettings.HighPerformance
   'set separate options
   reader.QualitySettings.AllowMedianSmoothing = True
   reader.QualitySettings.MedianSmoothingWindowSize = 5
   For Each result As BarCodeResult In reader.ReadBarCodes()
       Console.WriteLine("BarCode Type: " + result.CodeTypeName)
   Next
End Using

See Also

BarCodeReader.FoundCount BarCodeReader.Timeout