inital impl using qrcoder

QRPay/Pages/Home.razor

@@ -1,7 +1,80 @@
 @page "/"
-
+@using QRCoder
+@using SixLabors.ImageSharp.Formats
 <PageTitle>Home</PageTitle>
 
-<h1>Hello, world!</h1>
+<div class="modal-dialog modal-dialog-centered" role="document">
+    <div class="modal-content">
+        <div class="modal-header">
+            <h5 class="modal-title">Create QR payment barcode</h5>
+        </div>
+        <div class="modal-body">
+            <div class="form-group">
+                <label for="input0">Name</label>
+                <input type="text" class="form-control" id="input0" @bind="Name" placeholder="Enter beneficiary name">
+            </div>
+            <div class="form-group">
+                <label for="input1">IBAN</label>
+                <input type="text" class="form-control" id="input1" @bind="IBAN" placeholder="Enter IBAN">
+            </div>
+            <div class="form-group">
+                <label for="input2">Amount</label>
+                <input type="text" class="form-control" id="input2" placeholder="Enter amount in EUR" @bind="Amount">
+            </div>
+            <div class="form-group">
+                <label for="input3">Remark</label>
+                <input type="text" class="form-control" id="input3" placeholder="Enter optional remark" @bind="Remark">
+            </div>
+        </div>
+        <div class="modal-footer">
+            <button class="btn btn-primary" @onclick="@GenerateQRCode">Generate</button>
+        </div>
+        @if (_show)
+        {
+            <div class="text-center">
+                <img src="@QRCodeStr" style="width:200px;height:200px" />
+            </div>
+        }
+    </div>
+</div>
 
-Welcome to your new app.
+
+@code {
+    string IBAN { get; set; } = string.Empty;
+    decimal Amount { get; set; } = 0;
+    string Remark { get; set; } = string.Empty;
+    string QRCodeStr { get; set; } = string.Empty;
+    string Name { get; set; } = string.Empty;
+
+    bool _show = false;
+
+    public void GenerateQRCode()
+    {
+        QRCodeStr = string.Empty;
+
+        if (!string.IsNullOrWhiteSpace(IBAN))
+        {
+
+            using (var ms = new MemoryStream())
+            {
+                QRCodeGenerator qRCodeGenerator = new QRCodeGenerator();
+
+                var payment = new PayBySquareTextGenerator.Payment(IBAN.Replace(" ", ""), Amount, "EUR", "1", Remark);
+                payment.ConstantSymbol = "0308";
+                payment.BeneficiaryName = Name;
+
+                var a = new PayBySquareTextGenerator.PayBySquareOverkill(payment);
+                var stringData = a.GeneratePayBySquareOverkillString();
+
+                // Generate QR code data
+                using var qrCodeData = QRCodeGenerator.GenerateQrCode(stringData, QRCodeGenerator.ECCLevel.Q);
+                using var qrCode = new PngByteQRCode(qrCodeData);
+                byte[] qrCodeImage = qrCode.GetGraphic(20);
+
+                QRCodeStr = $"data:image/png;base64,{Convert.ToBase64String(qrCodeImage)}";
+            }
+
+            _show = true;
+        }
+    }
+}