VintaSoft Barcode .NET SDK 15.0: Руководство для .NET разработчика
Vintasoft.Barcode Namespace / BarcodeWriter Class
Члены типа Объект Синтаксис Example Иерархия Требования Смотрите также
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
    
    
    public __gc __sealed class BarcodeWriter
    
    
    public ref class BarcodeWriter sealed
    
    
    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 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

    Смотрите также