Анализ идентификаторов приложений GS1 с помощью VintaSoft Barcode .NET SDK
Категория: Штрих-коды; .NET
17 июня 2025
using System;
using System.Text;
using Vintasoft.Barcode;
using Vintasoft.Barcode.BarcodeInfo;
using Vintasoft.Barcode.GS1;
using Vintasoft.Barcode.SymbologySubsets;
using Vintasoft.Imaging;
/// <summary>
/// Test that shows how to encode the barcode data in GS1 format using the GS1Codec class,
/// create image with GS1-128 barcode,
/// read GS1-128 barcode from image and
/// parse data stored in GS1 format.
/// </summary>
class GS1CodecExample
{
/// <summary>
/// Runs the test.
/// </summary>
public static void TestGS1Codec()
{
bool valueVisible = true;
// 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");
// get GS1 printable value
StringBuilder printableValue = new StringBuilder();
foreach (GS1ApplicationIdentifierValue value in aiValues)
printableValue.Append(value);
// create the barcode writer
using (BarcodeWriter writer = new BarcodeWriter())
{
// specify that writer must create output image as 24-bpp image
writer.Settings.PixelFormat = BarcodeImagePixelFormat.Bgr24;
// specify that writer must generate Code128 barcode
writer.Settings.Barcode = BarcodeType.Code128;
// encode GS1 value in GS1-128 symbology
writer.Settings.Value = GS1Codec.GS1_128.Encode(aiValues, writer.Settings);
// set printable value
if (valueVisible)
{
writer.Settings.ValueVisible = true;
writer.Settings.PrintableValue = printableValue.ToString();
}
else
{
writer.Settings.ValueVisible = false;
}
// create image with barcode
using (VintasoftBitmap barcodeImage = writer.GetBarcodeAsVintasoftBitmap())
{
// delete aiValues array
aiValues = null;
// create barcode reader
using (BarcodeReader reader = new BarcodeReader())
{
// specify that reader must search for GS1-128 barcodes only
reader.Settings.ScanBarcodeTypes = BarcodeType.None;
reader.Settings.ScanBarcodeSubsets.Add(BarcodeSymbologySubsets.GS1_128);
// read barcode from image
IBarcodeInfo[] infos = reader.ReadBarcodes(barcodeImage);
// gets a GS1 Application identifiers from barcode value
aiValues = ((GS1BarcodeInfo)infos[0]).ApplicationIdentifierValues;
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());
}
}
}
}
}