Analice los identificadores de aplicaciones GS1 utilizando VintaSoft Barcode .NET SDK
Categoría del blog: Barcode ; .NET
17.06.2025
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());
                }
            }
        }
    }
}