VintaSoft Barcode .NET SDK v10.0
GS1QRBarcodeSymbology Class
Members  Example 




Vintasoft.WpfBarcode.SymbologySubsets.GS1 Namespace : GS1QRBarcodeSymbology Class
Defines the GS1 QR barcode symbology - subset of QR barcode symbology with values in GS1 System data format.
Object Model
GS1QRBarcodeSymbology ClassBarcodeSymbologySubset ClassGS1Codec Class
Syntax
'Declaration
 
Public Class GS1QRBarcodeSymbology 
   Inherits GS1BarcodeSymbologySubset
'Usage
 
Dim instance As GS1QRBarcodeSymbology
public class GS1QRBarcodeSymbology : GS1BarcodeSymbologySubset 
public __gc class GS1QRBarcodeSymbology : public GS1BarcodeSymbologySubset 
public ref class GS1QRBarcodeSymbology : public GS1BarcodeSymbologySubset 
Example
This example shows how to generate GS1 QR barcode and read generated barcode.
Imports System.Text   
Imports System.Windows.Media.Imaging   
   
Imports Vintasoft.WpfBarcode   
Imports Vintasoft.WpfBarcode.BarcodeInfo   
Imports Vintasoft.WpfBarcode.SymbologySubsets   
Imports Vintasoft.WpfBarcode.GS1   
   
''' <summary>   
''' Test that shows how to encode the barcode data in GS1 format,   
''' create image with GS1 QR barcode,   
''' read GS1 QR barcode from image and print data stored in GS1 format.   
''' </summary>   
Class GS1QRExample   
   
	''' <summary>   
	''' Runs the test.   
	''' </summary>   
	Public Shared Sub TestGS1QR()   
		' form the GS1 Application identifiers   
		'   
		Dim aiValues As GS1ApplicationIdentifierValue() = New GS1ApplicationIdentifierValue(3) {}   
		Dim ai As GS1ApplicationIdentifier   
		' 01 - Global Trade Item Number   
		ai = GS1ApplicationIdentifiers.FindApplicationIdentifier("01")   
		aiValues(0) = New GS1ApplicationIdentifierValue(ai, "0123456789123C")   
		' 310 - Net weight, kilograms   
		ai = GS1ApplicationIdentifiers.FindApplicationIdentifier("310")   
		aiValues(1) = New GS1ApplicationIdentifierValue(ai, "0012.55")   
		' 30 - Count of Items   
		ai = GS1ApplicationIdentifiers.FindApplicationIdentifier("30")   
		aiValues(2) = New GS1ApplicationIdentifierValue(ai, "10")   
		' 90 - Company Internal Information   
		ai = GS1ApplicationIdentifiers.FindApplicationIdentifier("90")   
		aiValues(3) = New GS1ApplicationIdentifierValue(ai, "ABCabc12345")   
		' create GS1 value item   
		Dim gs1Value As New GS1ValueItem(aiValues)   
   
		' create the barcode writer   
		Dim writer As New BarcodeWriter()   
   
		' specify that writer must create output image as 24-bpp image   
		writer.Settings.PixelFormat = BarcodeImagePixelFormat.Bgr24   
   
		' encode GS1 QR barcode   
		BarcodeSymbologySubsets.GS1QR.Encode(gs1Value, writer.Settings)   
   
		' create image with barcode   
		Dim barcodeImage As BitmapSource = writer.GetBarcodeAsBitmapSource()   
   
		' delete aiValues array   
		aiValues = Nothing   
   
		' read barcode with GS1 value   
   
		' create barcode reader   
		Using reader As New BarcodeReader()   
			' specify that reader must search for GS1 QR barcodes only   
   
			reader.Settings.ScanBarcodeTypes = BarcodeType.None   
			reader.Settings.ScanBarcodeSubsets.Add(BarcodeSymbologySubsets.GS1QR)   
   
			' read barcode from image   
			Dim infos As IBarcodeInfo() = reader.ReadBarcodes(barcodeImage)   
   
			' print reader transmitted value   
			Console.WriteLine("Transmitted data: {0}", DirectCast(infos(0), GS1BarcodeInfo).TransmittedData)   
			Console.WriteLine()   
   
			' gets GS1 value from barcode value         
			gs1Value = DirectCast(infos(0).ValueItems(0), GS1ValueItem)   
   
			' gets a GS1 Application identifiers from barcode value               
			aiValues = gs1Value.ApplicationIdentifierValues   
   
			Dim printableValue As New StringBuilder()   
			' print Application identifiers values   
			For i As Integer = 0 To aiValues.Length - 1   
				Dim aiValue As GS1ApplicationIdentifierValue = aiValues(i)   
				ai = aiValue.ApplicationIdentifier   
				Console.WriteLine(String.Format("[{0}] {1}", i + 1, aiValue))   
				Console.WriteLine(String.Format("Application identifier   : {0}", ai.ApplicationIdentifier))   
				Console.WriteLine(String.Format("Value                    : {0}", aiValue.Value))   
				Console.WriteLine(String.Format("Data title               : {0}", ai.DataTitle))   
				Console.WriteLine(String.Format("Data content             : {0}", ai.DataContent))   
				Console.WriteLine(String.Format("Format                   : {0}", ai.Format))   
				Console.WriteLine(String.Format("Is contains decimal point: {0}", ai.IsContainsDecimalPoint))   
				Console.WriteLine(String.Format("Is variable length       : {0}", ai.IsVariableLength))   
				Console.WriteLine()   
				printableValue.Append(aiValue.ToString())   
			Next   
   
			' print GS1 printable value   
			Console.WriteLine("Printable GS1 value: " & printableValue.ToString())   
		End Using   
	End Sub   
End Class
using System;
using System.Text;
using System.Windows.Media.Imaging;
            
using Vintasoft.WpfBarcode;
using Vintasoft.WpfBarcode.BarcodeInfo;
using Vintasoft.WpfBarcode.SymbologySubsets;
using Vintasoft.WpfBarcode.GS1;
            
/// <summary>
/// Test that shows how to encode the barcode data in GS1 format,
/// create image with GS1 QR barcode,
/// read GS1 QR barcode from image and print data stored in GS1 format.
/// </summary>
class GS1QRExample
{
            
    /// <summary>
    /// Runs the test.
    /// </summary>
    public static void TestGS1QR()
    {
        // form the GS1 Application identifiers
        //
        GS1ApplicationIdentifierValue[] aiValues = new GS1ApplicationIdentifierValue[4];
        GS1ApplicationIdentifier ai;
        // 01 - Global Trade Item Number
        ai = GS1ApplicationIdentifiers.FindApplicationIdentifier("01");
        aiValues[0] = new GS1ApplicationIdentifierValue(ai, "0123456789123C");
        // 310 - Net weight, kilograms
        ai = GS1ApplicationIdentifiers.FindApplicationIdentifier("310");
        aiValues[1] = new GS1ApplicationIdentifierValue(ai, "0012.55");
        // 30 - Count of Items
        ai = GS1ApplicationIdentifiers.FindApplicationIdentifier("30");
        aiValues[2] = new GS1ApplicationIdentifierValue(ai, "10");
        // 90 - Company Internal Information
        ai = GS1ApplicationIdentifiers.FindApplicationIdentifier("90");
        aiValues[3] = new GS1ApplicationIdentifierValue(ai, "ABCabc12345");
        // create GS1 value item
        GS1ValueItem gs1Value = new GS1ValueItem(aiValues);
            
        // create the barcode writer
        BarcodeWriter writer = new BarcodeWriter();
            
        // specify that writer must create output image as 24-bpp image
        writer.Settings.PixelFormat = BarcodeImagePixelFormat.Bgr24;
            
        // encode GS1 QR barcode
        BarcodeSymbologySubsets.GS1QR.Encode(gs1Value, writer.Settings);
            
        // create image with barcode
        BitmapSource barcodeImage = writer.GetBarcodeAsBitmapSource();
            
        // delete aiValues array
        aiValues = null;
            
        // read barcode with GS1 value
            
        // create barcode reader
        using (BarcodeReader reader = new BarcodeReader())
        {
            // specify that reader must search for GS1 QR barcodes only
            
            reader.Settings.ScanBarcodeTypes = BarcodeType.None;
            reader.Settings.ScanBarcodeSubsets.Add(BarcodeSymbologySubsets.GS1QR);
            
            // read barcode from image
            IBarcodeInfo[] infos = reader.ReadBarcodes(barcodeImage);
            
            // print reader transmitted value
            Console.WriteLine("Transmitted data: {0}", ((GS1BarcodeInfo)infos[0]).TransmittedData);
            Console.WriteLine();
            
            // gets GS1 value from barcode value      
            gs1Value = (GS1ValueItem)(infos[0].ValueItems[0]);
            
            // gets a GS1 Application identifiers from barcode value            
            aiValues = gs1Value.ApplicationIdentifierValues;
            
            StringBuilder printableValue = new StringBuilder();
            // print Application identifiers values
            for (int i = 0; i < aiValues.Length; i++)
            {
                GS1ApplicationIdentifierValue aiValue = aiValues[i];
                ai = aiValue.ApplicationIdentifier;
                Console.WriteLine(string.Format("[{0}] {1}", i + 1, aiValue));
                Console.WriteLine(string.Format("Application identifier   : {0}", ai.ApplicationIdentifier));
                Console.WriteLine(string.Format("Value                    : {0}", aiValue.Value));
                Console.WriteLine(string.Format("Data title               : {0}", ai.DataTitle));
                Console.WriteLine(string.Format("Data content             : {0}", ai.DataContent));
                Console.WriteLine(string.Format("Format                   : {0}", ai.Format));
                Console.WriteLine(string.Format("Is contains decimal point: {0}", ai.IsContainsDecimalPoint));
                Console.WriteLine(string.Format("Is variable length       : {0}", ai.IsVariableLength));
                Console.WriteLine();
                printableValue.Append(aiValue.ToString());
            }
            
            // print GS1 printable value
            Console.WriteLine("Printable GS1 value: " + printableValue.ToString());
        }
    }
}
Inheritance Hierarchy

System.Object
   Vintasoft.WpfBarcode.SymbologySubsets.BarcodeSymbologySubset
      Vintasoft.WpfBarcode.SymbologySubsets.GS1.GS1BarcodeSymbologySubset
         Vintasoft.WpfBarcode.SymbologySubsets.GS1.GS1QRBarcodeSymbology

Requirements

Target Platforms: Windows 8, Windows 7, Windows Vista, Windows XP, Windows Server 2012, Windows Server 2008, Windows Server 2003

See Also

Reference

GS1QRBarcodeSymbology Members
Vintasoft.WpfBarcode.SymbologySubsets.GS1 Namespace