QRコードジェネレーター .NET Core：C#でクイックレスポンスコードを作成して読み取る

using IronQr;
using IronSoftware.Drawing;
namespace Examples
{
    public class QRCodeGenerator
    {
        public static void Main(string[] args)
        {
            // Generate a QR code from input text
            var qrcode = QrWriter.Write("https://ironsoftware.com");
            // Save as PNG image
            AnyBitmap qrImage = qrcode.Save();
            qrImage.SaveAs("website-qr.png");
        }
    }
}

Imports IronQr
Imports IronSoftware.Drawing

Namespace Examples
    Public Class QRCodeGenerator
        Public Shared Sub Main(args As String())
            ' Generate a QR code from input text
            Dim qrcode = QrWriter.Write("https://ironsoftware.com")
            ' Save as PNG image
            Dim qrImage As AnyBitmap = qrcode.Save()
            qrImage.SaveAs("website-qr.png")
        End Sub
    End Class
End Namespace

using IronQr;
// Configure with high error correction level
var options = new QrOptions(QrErrorCorrectionLevel.High, 20);
// Generate QR code with options
var qrcode = QrWriter.Write("Product-12345", options);
AnyBitmap qrImage = qrcode.Save();
qrImage.SaveAs("product-qr.png");

Imports IronQr

' Configure with high error correction level
Dim options As New QrOptions(QrErrorCorrectionLevel.High, 20)
' Generate QR code with options
Dim qrcode = QrWriter.Write("Product-12345", options)
Dim qrImage As AnyBitmap = qrcode.Save()
qrImage.SaveAs("product-qr.png")

using IronQr;
using IronSoftware.Drawing;
var styleOptions = new QrStyleOptions
{
    Dimensions = 300,
    Margins = 10,
    Color = Color.DarkBlue,
    Logo = new QrLogo { Bitmap = AnyBitmap.FromFile("company-logo.png") }
};
var qrcode = QrWriter.Write("https://yourcompany.com");
AnyBitmap qrImage = qrcode.Save(styleOptions);
qrImage.SaveAs("branded-qr.png");

Imports IronQr
Imports IronSoftware.Drawing

Dim styleOptions As New QrStyleOptions With {
    .Dimensions = 300,
    .Margins = 10,
    .Color = Color.DarkBlue,
    .Logo = New QrLogo With {.Bitmap = AnyBitmap.FromFile("company-logo.png")}
}

Dim qrcode = QrWriter.Write("https://yourcompany.com")
Dim qrImage As AnyBitmap = qrcode.Save(styleOptions)
qrImage.SaveAs("branded-qr.png")

using IronQr;
using IronSoftware.Drawing;
using Microsoft.AspNetCore.Mvc;
namespace Examples
{
    public class HomeController : Controller
    {
        public IActionResult GenerateQR(string content)
        {
            QrCode myQr = QrWriter.Write(content);
            AnyBitmap qrImage = myQr.Save();
            byte[] imageBytes = qrImage.ExportBytes();
            return File(imageBytes, "image/png");
        }
    }
}

Imports IronQr
Imports IronSoftware.Drawing
Imports Microsoft.AspNetCore.Mvc

Namespace Examples
    Public Class HomeController
        Inherits Controller

        Public Function GenerateQR(content As String) As IActionResult
            Dim myQr As QrCode = QrWriter.Write(content)
            Dim qrImage As AnyBitmap = myQr.Save()
            Dim imageBytes As Byte() = qrImage.ExportBytes()
            Return File(imageBytes, "image/png")
        End Function
    End Class
End Namespace

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

using IronQr;
using IronSoftware.Drawing;
// Load image containing QR code
var inputBmp = AnyBitmap.FromFile("scanned-document.png");
QrImageInput imageInput = new QrImageInput(inputBmp);
// Read with ML-powered detection
QrReader reader = new QrReader();
IEnumerable<QrResult> results = reader.Read(imageInput);
foreach (var result in results)
{
    Console.WriteLine($"Found: {result.Value}");
}

Imports IronQr
Imports IronSoftware.Drawing

' Load image containing QR code
Dim inputBmp = AnyBitmap.FromFile("scanned-document.png")
Dim imageInput As New QrImageInput(inputBmp)
' Read with ML-powered detection
Dim reader As New QrReader()
Dim results As IEnumerable(Of QrResult) = reader.Read(imageInput)
For Each result In results
    Console.WriteLine($"Found: {result.Value}")
Next