QR Code Generator .NET Core：わずか数行のコードでQRコードを読み取り、生成する

using IronQr;
using IronSoftware.Drawing;
namespace Examples
{
    class Program
    {
        static void Main(string[] args)
        {
            // Load image containing QR code
            var inputBmp = AnyBitmap.FromFile("qr-sample.png");
            // Create QrImageInput from the bitmap
            QrImageInput imageInput = new QrImageInput(inputBmp);
            // Initialize QR Reader with ML model
            QrReader reader = new QrReader();
            // Read and decode all QR codes in the image
            IEnumerable<QrResult> results = reader.Read(imageInput);
            // Output decoded text strings
            foreach (var qrCode in results)
            {
                Console.WriteLine($"QR Code Value: {qrCode.Value}");
                Console.WriteLine($"URL: {qrCode.Url}");
            }
        }
    }
}

Imports IronQr
Imports IronSoftware.Drawing

Namespace Examples
    Class Program
        Shared Sub Main(ByVal args As String())
            ' Load image containing QR code
            Dim inputBmp = AnyBitmap.FromFile("qr-sample.png")
            ' Create QrImageInput from the bitmap
            Dim imageInput As New QrImageInput(inputBmp)
            ' Initialize QR Reader with ML model
            Dim reader As New QrReader()
            ' Read and decode all QR codes in the image
            Dim results As IEnumerable(Of QrResult) = reader.Read(imageInput)
            ' Output decoded text strings
            For Each qrCode In results
                Console.WriteLine($"QR Code Value: {qrCode.Value}")
                Console.WriteLine($"URL: {qrCode.Url}")
            Next
        End Sub
    End Class
End Namespace

using IronQr;
using IronSoftware.Drawing;
namespace Examples
{
    class AdvancedReader
    {
        static void Main(string[] args)
        {
            var inputBmp = AnyBitmap.FromFile("document-with-qr.png");
            QrImageInput imageInput = new QrImageInput(inputBmp);
            QrReader reader = new QrReader();
            IEnumerable<QrResult> results = reader.Read(imageInput);
            foreach (var qrCode in results)
            {
                // Access QR code data and URL
                Console.WriteLine($"Data: {qrCode.Value}");
                // Get coordinate positions (int x, int y)
                foreach (PointF point in qrCode.Points)
                {
                    Console.WriteLine($"Position: {point.X}, {point.Y}");
                }
            }
        }
    }
}

Imports IronQr
Imports IronSoftware.Drawing

Namespace Examples
    Class AdvancedReader
        Shared Sub Main(args As String())
            Dim inputBmp = AnyBitmap.FromFile("document-with-qr.png")
            Dim imageInput As New QrImageInput(inputBmp)
            Dim reader As New QrReader()
            Dim results As IEnumerable(Of QrResult) = reader.Read(imageInput)
            For Each qrCode In results
                ' Access QR code data and URL
                Console.WriteLine($"Data: {qrCode.Value}")
                ' Get coordinate positions (int x, int y)
                For Each point As PointF In qrCode.Points
                    Console.WriteLine($"Position: {point.X}, {point.Y}")
                Next
            Next
        End Sub
    End Class
End Namespace

using IronQr;
using IronSoftware.Drawing;
// Configure QR options with high error correction
var qrOptions = new QrOptions(QrErrorCorrectionLevel.High, 20);
// Generate a QR code with specified error correction
QrCode myQr = QrWriter.Write("https://ironsoftware.com", qrOptions);
// Save as PNG image
AnyBitmap qrImage = myQr.Save();
qrImage.SaveAs("high-error-correction-qr.png");

Imports IronQr
Imports IronSoftware.Drawing

' Configure QR options with high error correction
Dim qrOptions As New QrOptions(QrErrorCorrectionLevel.High, 20)
' Generate a QR code with specified error correction
Dim myQr As QrCode = QrWriter.Write("https://ironsoftware.com", qrOptions)
' Save as PNG image
Dim qrImage As AnyBitmap = myQr.Save()
qrImage.SaveAs("high-error-correction-qr.png")

using IronQr;
using IronSoftware.Drawing;
// Generate QR that encodes Japanese Unicode text
QrCode japaneseQr = QrWriter.Write("こんにちは世界");
// The library handles kanji mode automatically
AnyBitmap qrImage = japaneseQr.Save();
qrImage.SaveAs("japanese-qr.png");

Imports IronQr
Imports IronSoftware.Drawing

' Generate QR that encodes Japanese Unicode text
Dim japaneseQr As QrCode = QrWriter.Write("こんにちは世界")
' The library handles kanji mode automatically
Dim qrImage As AnyBitmap = japaneseQr.Save()
qrImage.SaveAs("japanese-qr.png")

using IronQr;
using IronSoftware.Drawing;
// Generate QR code with URL payload
var urlQrCode = QrWriter.Write("https://ironsoftware.com/csharp/qr/");
// Save QR as PNG image file
AnyBitmap qrImage = urlQrCode.Save();
qrImage.SaveAs("url-qr-code.png");
Console.WriteLine("QR code generated successfully!");

Imports IronQr
Imports IronSoftware.Drawing

' Generate QR code with URL payload
Dim urlQrCode = QrWriter.Write("https://ironsoftware.com/csharp/qr/")
' Save QR as PNG image file
Dim qrImage As AnyBitmap = urlQrCode.Save()
qrImage.SaveAs("url-qr-code.png")
Console.WriteLine("QR code generated successfully!")