テキスト、URL、ID、バイナリ データから C# で BarCode を作成する

using IronBarCode;

string text = "Hello, World!";
string url = "https://ironsoftware.com/csharp/barcode/";
string receiptID = "2023-08-04-12345"; // Receipt ID (numeric id)
string flightID = "FLT2023NYC-LAX123456"; // Flight ID (alphanumeric id)
string number = "1234";

BarcodeWriter.CreateBarcode(text, BarcodeEncoding.Aztec).SaveAsPng("text.png");
BarcodeWriter.CreateBarcode(url, BarcodeEncoding.QRCode).SaveAsPng("url.png");
BarcodeWriter.CreateBarcode(receiptID, BarcodeEncoding.Code93, 250, 67).SaveAsPng("receiptID.png");
BarcodeWriter.CreateBarcode(flightID, BarcodeEncoding.PDF417, 250, 67).SaveAsPng("flightID.png");
BarcodeWriter.CreateBarcode(number, BarcodeEncoding.Codabar, 250, 67).SaveAsPng("number.png");

Imports IronBarCode

Private text As String = "Hello, World!"
Private url As String = "https://ironsoftware.com/csharp/barcode/"
Private receiptID As String = "2023-08-04-12345" ' Receipt ID (numeric id)
Private flightID As String = "FLT2023NYC-LAX123456" ' Flight ID (alphanumeric id)
Private number As String = "1234"

BarcodeWriter.CreateBarcode(text, BarcodeEncoding.Aztec).SaveAsPng("text.png")
BarcodeWriter.CreateBarcode(url, BarcodeEncoding.QRCode).SaveAsPng("url.png")
BarcodeWriter.CreateBarcode(receiptID, BarcodeEncoding.Code93, 250, 67).SaveAsPng("receiptID.png")
BarcodeWriter.CreateBarcode(flightID, BarcodeEncoding.PDF417, 250, 67).SaveAsPng("flightID.png")
BarcodeWriter.CreateBarcode(number, BarcodeEncoding.Codabar, 250, 67).SaveAsPng("number.png")

using IronBarCode;

// Create a barcode with custom styling
GeneratedBarcode myBarcode = BarcodeWriter.CreateBarcode("PRODUCT-12345", BarcodeEncoding.Code128);

// Apply custom styling
myBarcode.ResizeTo(300, 100);
myBarcode.SetMargins(10);
myBarcode.ChangeBarCodeColor(Color.DarkBlue);

// Add text annotations
myBarcode.AddBarcodeValueTextBelowBarcode();
myBarcode.AddAnnotationTextAboveBarcode("Product SKU", Font.Arial, Color.Black, 12);

// Save the customized barcode
myBarcode.SaveAsPng("customized-barcode.png");

Imports IronBarCode

' Create a barcode with custom styling
Dim myBarcode As GeneratedBarcode = BarcodeWriter.CreateBarcode("PRODUCT-12345", BarcodeEncoding.Code128)

' Apply custom styling
myBarcode.ResizeTo(300, 100)
myBarcode.SetMargins(10)
myBarcode.ChangeBarCodeColor(Color.DarkBlue)

' Add text annotations
myBarcode.AddBarcodeValueTextBelowBarcode()
myBarcode.AddAnnotationTextAboveBarcode("Product SKU", Font.Arial, Color.Black, 12)

' Save the customized barcode
myBarcode.SaveAsPng("customized-barcode.png")

using IronBarCode;
using System.Text;

byte[] text = Encoding.UTF8.GetBytes("Hello, World!");
byte[] url = Encoding.UTF8.GetBytes("https://ironsoftware.com/csharp/barcode/");
byte[] receiptID = Encoding.UTF8.GetBytes("2023-08-04-12345"); // Receipt ID (numeric id)
byte[] flightID = Encoding.UTF8.GetBytes("FLT2023NYC-LAX123456"); // Flight id (alphanumeric id)
byte[] number = Encoding.UTF8.GetBytes("1234");

BarcodeWriter.CreateBarcode(text, BarcodeEncoding.Aztec).SaveAsPng("text.png");
BarcodeWriter.CreateBarcode(url, BarcodeEncoding.QRCode).SaveAsPng("url.png");
BarcodeWriter.CreateBarcode(receiptID, BarcodeEncoding.Code93, 250, 67).SaveAsPng("receiptID.png");
BarcodeWriter.CreateBarcode(flightID, BarcodeEncoding.PDF417, 250, 67).SaveAsPng("flightID.png");
BarcodeWriter.CreateBarcode(number, BarcodeEncoding.Codabar, 250, 67).SaveAsPng("number.png");

Imports IronBarCode
Imports System.Text

Private text() As Byte = Encoding.UTF8.GetBytes("Hello, World!")
Private url() As Byte = Encoding.UTF8.GetBytes("https://ironsoftware.com/csharp/barcode/")
Private receiptID() As Byte = Encoding.UTF8.GetBytes("2023-08-04-12345") ' Receipt ID (numeric id)
Private flightID() As Byte = Encoding.UTF8.GetBytes("FLT2023NYC-LAX123456") ' Flight id (alphanumeric id)
Private number() As Byte = Encoding.UTF8.GetBytes("1234")

BarcodeWriter.CreateBarcode(text, BarcodeEncoding.Aztec).SaveAsPng("text.png")
BarcodeWriter.CreateBarcode(url, BarcodeEncoding.QRCode).SaveAsPng("url.png")
BarcodeWriter.CreateBarcode(receiptID, BarcodeEncoding.Code93, 250, 67).SaveAsPng("receiptID.png")
BarcodeWriter.CreateBarcode(flightID, BarcodeEncoding.PDF417, 250, 67).SaveAsPng("flightID.png")
BarcodeWriter.CreateBarcode(number, BarcodeEncoding.Codabar, 250, 67).SaveAsPng("number.png")

using IronBarCode;
using System.Text;
using System.IO;

// Example: Encoding binary data (like a small file) into QR Code
byte[] binaryData = File.ReadAllBytes("document.pdf");
string base64Data = Convert.ToBase64String(binaryData);

// Create QR code with high error correction for binary data
GeneratedBarcode binaryBarcode = QRCodeWriter.CreateQrCode(
    base64Data,
    errorCorrectionLevel: QRCodeWriter.QrErrorCorrectionLevel.High
);

// Save with appropriate size for data density
binaryBarcode.ResizeTo(500, 500);
binaryBarcode.SaveAsPng("binary-data-qr.png");

Imports IronBarCode
Imports System.Text
Imports System.IO

' Example: Encoding binary data (like a small file) into QR Code
Dim binaryData As Byte() = File.ReadAllBytes("document.pdf")
Dim base64Data As String = Convert.ToBase64String(binaryData)

' Create QR code with high error correction for binary data
Dim binaryBarcode As GeneratedBarcode = QRCodeWriter.CreateQrCode(
    base64Data,
    errorCorrectionLevel:=QRCodeWriter.QrErrorCorrectionLevel.High
)

' Save with appropriate size for data density
binaryBarcode.ResizeTo(500, 500)
binaryBarcode.SaveAsPng("binary-data-qr.png")

using IronBarCode;
using System.IO;
using System.Text;

MemoryStream text = new MemoryStream(Encoding.UTF8.GetBytes("Hello, World!"));
MemoryStream url = new MemoryStream(Encoding.UTF8.GetBytes("https://ironsoftware.com/csharp/barcode/"));
MemoryStream receiptID = new MemoryStream(Encoding.UTF8.GetBytes("2023-08-04-12345")); // Receipt ID (numeric id)
MemoryStream flightID = new MemoryStream(Encoding.UTF8.GetBytes("FLT2023NYC-LAX123456")); // Flight id (alphanumeric id)
MemoryStream number = new MemoryStream(Encoding.UTF8.GetBytes("1234"));

BarcodeWriter.CreateBarcode(text, BarcodeEncoding.Aztec).SaveAsPng("text.png");
BarcodeWriter.CreateBarcode(url, BarcodeEncoding.QRCode).SaveAsPng("url.png");
BarcodeWriter.CreateBarcode(receiptID, BarcodeEncoding.Code93, 250, 67).SaveAsPng("receiptID.png");
BarcodeWriter.CreateBarcode(flightID, BarcodeEncoding.PDF417, 250, 67).SaveAsPng("flightID.png");
BarcodeWriter.CreateBarcode(number, BarcodeEncoding.Codabar, 250, 67).SaveAsPng("number.png");

Imports IronBarCode
Imports System.IO
Imports System.Text

Private text As New MemoryStream(Encoding.UTF8.GetBytes("Hello, World!"))
Private url As New MemoryStream(Encoding.UTF8.GetBytes("https://ironsoftware.com/csharp/barcode/"))
Private receiptID As New MemoryStream(Encoding.UTF8.GetBytes("2023-08-04-12345")) ' Receipt ID (numeric id)
Private flightID As New MemoryStream(Encoding.UTF8.GetBytes("FLT2023NYC-LAX123456")) ' Flight id (alphanumeric id)
Private number As New MemoryStream(Encoding.UTF8.GetBytes("1234"))

BarcodeWriter.CreateBarcode(text, BarcodeEncoding.Aztec).SaveAsPng("text.png")
BarcodeWriter.CreateBarcode(url, BarcodeEncoding.QRCode).SaveAsPng("url.png")
BarcodeWriter.CreateBarcode(receiptID, BarcodeEncoding.Code93, 250, 67).SaveAsPng("receiptID.png")
BarcodeWriter.CreateBarcode(flightID, BarcodeEncoding.PDF417, 250, 67).SaveAsPng("flightID.png")
BarcodeWriter.CreateBarcode(number, BarcodeEncoding.Codabar, 250, 67).SaveAsPng("number.png")

using IronBarCode;
using System.IO;
using System.Text;

// Example: Processing multiple barcodes in a batch using streams
public static List<Stream> GenerateBarcodeStreams(List<string> dataItems)
{
    var barcodeStreams = new List<Stream>();

    foreach (var item in dataItems)
    {
        // Convert string to stream
        var dataStream = new MemoryStream(Encoding.UTF8.GetBytes(item));

        // Generate barcode from stream
        var barcode = BarcodeWriter.CreateBarcode(dataStream, BarcodeEncoding.Code128);

        // Export barcode back to stream
        var outputStream = new MemoryStream();
        barcode.SaveAsPng(outputStream);
        outputStream.Position = 0; // Reset position for reading

        barcodeStreams.Add(outputStream);
    }

    return barcodeStreams;
}

// Usage example
var orderNumbers = new List<string> { "ORD-001", "ORD-002", "ORD-003" };
var barcodes = GenerateBarcodeStreams(orderNumbers);

Imports IronBarCode
Imports System.IO
Imports System.Text

' Example: Processing multiple barcodes in a batch using streams
Public Shared Function GenerateBarcodeStreams(dataItems As List(Of String)) As List(Of Stream)
    Dim barcodeStreams As New List(Of Stream)()

    For Each item In dataItems
        ' Convert string to stream
        Dim dataStream As New MemoryStream(Encoding.UTF8.GetBytes(item))

        ' Generate barcode from stream
        Dim barcode = BarcodeWriter.CreateBarcode(dataStream, BarcodeEncoding.Code128)

        ' Export barcode back to stream
        Dim outputStream As New MemoryStream()
        barcode.SaveAsPng(outputStream)
        outputStream.Position = 0 ' Reset position for reading

        barcodeStreams.Add(outputStream)
    Next

    Return barcodeStreams
End Function

' Usage example
Dim orderNumbers As New List(Of String) From {"ORD-001", "ORD-002", "ORD-003"}
Dim barcodes = GenerateBarcodeStreams(orderNumbers)