VintaSoft Barcode .NET SDK 16.1: Руководство для .NET разработчика
Vintasoft.Barcode Namespace / BarcodeWriter Class
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В этом разделе
Класс BarcodeWriter
В этом разделе
Класс, который позволяет генерировать штрих-коды в виде растрового изображения, графического пути, файла SVG или структуры штрих-кода.
Объектная модель
WriterSettings BarcodeWriter
Синтаксис
'Declaration

Public NotInheritable Class BarcodeWriter

public sealed class BarcodeWriter

Пример

Этот C#/VB. NET показывает, как создать изображение со штрих-кодом Code128.

   
Imports Vintasoft.Barcode   
Imports Vintasoft.Barcode.SymbologySubsets   
Imports Vintasoft.Imaging   
   
''' <summary>
''' Test that shows how to create a barcode image using the BarcodeWriter class.
''' </summary>
Class BarcodeWriterExample   
   
    ''' <summary>
    ''' Generates Code128 barcode with specified size, in pixels.
    ''' </summary>
    ''' <param name="value">The value.</param>
    ''' <param name="width">The image width, in pixels.</param>
    ''' <param name="height">The image height, in pixels.</param>
    Public Shared Sub TestCode128Barcode(value As String, width As Integer, height As Integer)   
        ' create the barcode writer
        Using writer As New BarcodeWriter()   
            ' set barcode writer settings
            writer.Settings.Barcode = BarcodeType.Code128   
            writer.Settings.Value = value   
            writer.Settings.Resolution = 96   
            'DPI
            writer.Settings.PixelFormat = BarcodeImagePixelFormat.Bgr24   
   
            ' create image with barcode
            Using barcodeImage As VintasoftBitmap = writer.GetBarcodeAsVintasoftBitmap(width, height, Vintasoft.Barcode.UnitOfMeasure.Pixels)   
                ' save barcode image to a file
                ImageCodecs.[Default].Encode(barcodeImage, String.Format("barcode_code128_{0}x{1}.png", width, height))   
            End Using   
        End Using   
    End Sub   
   
    ''' <summary>
    ''' Generates Code128 barcode.
    ''' </summary>
    Public Shared Sub TestCode128Barcode()   
        ' create the barcode writer
        Using writer As New BarcodeWriter()   
            ' specify that writer must generate Code128 barcode
            writer.Settings.Barcode = BarcodeType.Code128   
   
            ' specify that writer must create output image as 24-bpp image
            writer.Settings.PixelFormat = BarcodeImagePixelFormat.Bgr24   
   
            ' specify that single bar width must be 3 pixels
            writer.Settings.MinWidth = 3   
   
            ' set the barcode value
            writer.Settings.Value = "Test1234567"   
   
            ' save the barcode image to a file
            writer.SaveBarcodeAsImage("barcode_code128.png")   
        End Using   
    End Sub   
   
    ''' <summary>
    ''' Generates SSCC-18 barcode.
    ''' </summary>
    Public Shared Sub TestSSCC18Barcode()   
        ' create the barcode writer
        Using writer As New BarcodeWriter()   
            ' specify that writer must create output image as 24-bpp image
            writer.Settings.PixelFormat = BarcodeImagePixelFormat.Bgr24   
   
            ' specify that single bar width must be 3 pixels
            writer.Settings.MinWidth = 3   
   
            ' encode SSCC-18 barcode
            BarcodeSymbologySubsets.SSCC18.Encode("012345678901234560", writer.Settings)   
   
            ' save the barcode image to a file
            writer.SaveBarcodeAsImage("barcode_SSCC18.png")   
        End Using   
    End Sub   
   
    ''' <summary>
    ''' Generates GS1-128 barcode.
    ''' </summary>
    Public Shared Sub TestGS1_128Barcode()   
        ' create the barcode writer
        Using writer As New BarcodeWriter()   
            ' specify that writer must create output image as 24-bpp image
            writer.Settings.PixelFormat = BarcodeImagePixelFormat.Bgr24   
   
            ' specify that single bar width must be 3 pixels
            writer.Settings.MinWidth = 3   
   
            ' encode GS1-128 barcode
            ' GTIN                : 08699736690061
            ' SERIAL              : 30000000000720
            ' USE BY OR EXPIRY    : 110227
            ' BATCH/LOT           : TEST
            BarcodeSymbologySubsets.GS1_128.Encode("(01)08699736690061(21)30000000000720(17)110227(10)TEST", writer.Settings)   
   
            ' save the barcode image to a file
            writer.SaveBarcodeAsImage("barcode_GS1-128.png")   
        End Using   
    End Sub   
End Class


using Vintasoft.Barcode;
using Vintasoft.Barcode.SymbologySubsets;
using Vintasoft.Imaging;

/// <summary>
/// Test that shows how to create a barcode image using the BarcodeWriter class.
/// </summary>
class BarcodeWriterExample
{

    /// <summary>
    /// Generates Code128 barcode with specified size, in pixels.
    /// </summary>
    /// <param name="value">The value.</param>
    /// <param name="width">The image width, in pixels.</param>
    /// <param name="height">The image height, in pixels.</param>
    public static void TestCode128Barcode(string value, int width, int height)
    {
        // create the barcode writer
        using (BarcodeWriter writer = new BarcodeWriter())
        {
            // set barcode writer settings
            writer.Settings.Barcode = BarcodeType.Code128;
            writer.Settings.Value = value;
            writer.Settings.Resolution = 96;//DPI
            writer.Settings.PixelFormat = BarcodeImagePixelFormat.Bgr24;

            // create image with barcode
            using (VintasoftBitmap barcodeImage = writer.GetBarcodeAsVintasoftBitmap(width, height, Vintasoft.Barcode.UnitOfMeasure.Pixels))
            {
                // save barcode image to a file
                ImageCodecs.Default.Encode(barcodeImage, string.Format("barcode_code128_{0}x{1}.png", width, height));
            }
        }
    }

    /// <summary>
    /// Generates Code128 barcode.
    /// </summary>
    public static void TestCode128Barcode()
    {
        // create the barcode writer
        using (BarcodeWriter writer = new BarcodeWriter())
        {
            // specify that writer must generate Code128 barcode
            writer.Settings.Barcode = BarcodeType.Code128;

            // specify that writer must create output image as 24-bpp image
            writer.Settings.PixelFormat = BarcodeImagePixelFormat.Bgr24;

            // specify that single bar width must be 3 pixels
            writer.Settings.MinWidth = 3;

            // set the barcode value
            writer.Settings.Value = "Test1234567";

            // save the barcode image to a file
            writer.SaveBarcodeAsImage("barcode_code128.png");
        }
    }

    /// <summary>
    /// Generates SSCC-18 barcode.
    /// </summary>
    public static void TestSSCC18Barcode()
    {
        // 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 single bar width must be 3 pixels
            writer.Settings.MinWidth = 3;

            // encode SSCC-18 barcode
            BarcodeSymbologySubsets.SSCC18.Encode("012345678901234560", writer.Settings);

            // save the barcode image to a file
            writer.SaveBarcodeAsImage("barcode_SSCC18.png");
        }
    }

    /// <summary>
    /// Generates GS1-128 barcode.
    /// </summary>
    public static void TestGS1_128Barcode()
    {
        // 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 single bar width must be 3 pixels
            writer.Settings.MinWidth = 3;

            // encode GS1-128 barcode
            // GTIN                : 08699736690061
            // SERIAL              : 30000000000720
            // USE BY OR EXPIRY    : 110227
            // BATCH/LOT           : TEST
            BarcodeSymbologySubsets.GS1_128.Encode(
                "(01)08699736690061(21)30000000000720(17)110227(10)TEST", writer.Settings);

            // save the barcode image to a file
            writer.SaveBarcodeAsImage("barcode_GS1-128.png");
        }       
    }
}

Иерархия наследования

System.Object
   Vintasoft.Barcode.BarcodeWriter

Требования

Целевые платформы: .NET 11; .NET 10; .NET 9; .NET 8; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

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