first creation

.gitattributes

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+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain

Blazor.QrCode.Tests/Blazor.QrCode.Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="FluentAssertions" Version="6.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="6.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Blazor.QrCode\Blazor.QrCode.csproj" />
+  </ItemGroup>
+
+</Project>

Blazor.QrCode.Tests/ColorConverterTests.cs

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+using FluentAssertions;
+
+namespace Blazor.QrCode.Tests
+{
+    using System;
+    using System.Drawing;
+    using Blazor.QrCode;
+    using Xunit;
+
+    public static class ColorConverterTests
+    {
+        [Theory]
+        [InlineData(KnownColor.White, "#ffffff")]
+        [InlineData(KnownColor.Black, "#000000")]
+        [InlineData(KnownColor.Red, "#ff0000")]
+        [InlineData(KnownColor.Lime, "#00ff00")]
+        [InlineData(KnownColor.Blue, "#0000ff")]
+        [InlineData(KnownColor.Cyan, "#00ffff")]
+        [InlineData(KnownColor.Yellow, "#ffff00")]
+        [InlineData(KnownColor.Magenta, "#ff00ff")]
+        public static void TestConversion(KnownColor colorId, string expected)
+        {
+            // Arrange
+            Color color = Color.FromKnownColor(colorId);
+
+            // Act
+
+            var result = Blazor.QrCode.ColorConverter.Convert(color);
+
+            // Assert
+            result.Should().Be(expected);
+        }
+    }
+}

Blazor.QrCode.Tests/GlobalUsings.cs

@@ -0,0 +1 @@
+global using Xunit;

Blazor.QrCode/Blazor.QrCode.csproj

@@ -0,0 +1,31 @@
+<Project Sdk="Microsoft.NET.Sdk.Razor">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+
+  <ItemGroup>
+    <SupportedPlatform Include="browser" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="8.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="wwwroot\js\" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Content Update="wwwroot\qrcode.min.js">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Update="wwwroot\qrcodeInterop.js">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
+</Project>

Blazor.QrCode/ColorConverter.cs

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+using System.Drawing;
+using System.Text;
+
+namespace Blazor.QrCode
+{
+    public static class ColorConverter
+    {
+        public static string Convert(Color color)
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("#");
+            sb.Append(color.R.ToString("x2"));
+            sb.Append(color.G.ToString("x2"));
+            sb.Append(color.B.ToString("x2"));
+            return sb.ToString();
+        }
+    }
+}

Blazor.QrCode/EErrorCorrectionLevel.cs

@@ -0,0 +1,13 @@
+namespace Blazor.QrCode
+{
+    public enum EErrorCorrectionLevel
+    {
+        Low = 1,
+
+        Medium = 0,
+
+        Quartile = 3,
+
+        High = 2,
+    }
+}

Blazor.QrCode/ExampleJsInterop.cs

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+using Microsoft.JSInterop;
+
+namespace Blazor.QrCode
+{
+    // This class provides an example of how JavaScript functionality can be wrapped
+    // in a .NET class for easy consumption. The associated JavaScript module is
+    // loaded on demand when first needed.
+    //
+    // This class can be registered as scoped DI service and then injected into Blazor
+    // components for use.
+
+    public class ExampleJsInterop : IAsyncDisposable
+    {
+        private readonly Lazy<Task<IJSObjectReference>> moduleTask;
+
+        public ExampleJsInterop(IJSRuntime jsRuntime)
+        {
+            moduleTask = new(() => jsRuntime.InvokeAsync<IJSObjectReference>(
+                "import", "./_content/Blazor.QrCode/exampleJsInterop.js").AsTask());
+        }
+
+        public async ValueTask<string> Prompt(string message)
+        {
+            var module = await moduleTask.Value.ConfigureAwait(false);
+            return await module.InvokeAsync<string>("showPrompt", message).ConfigureAwait(false);
+        }
+
+        public async ValueTask DisposeAsync()
+        {
+            if (moduleTask.IsValueCreated)
+            {
+                var module = await moduleTask.Value.ConfigureAwait(false);
+                await module.DisposeAsync().ConfigureAwait(false);
+            }
+        }
+    }
+}

Blazor.QrCode/JsInteropObject.cs

@@ -0,0 +1,29 @@
+using Microsoft.JSInterop;
+
+namespace Blazor.QrCode
+{
+    /// <summary>
+    /// Class BabylonObject.
+    /// Base object
+    /// </summary>
+    public class JsInteropObject : IAsyncDisposable
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="JsInteropObject"/> class.
+        /// </summary>
+        /// <param name="jsObjRef">The java script object reference.</param>
+        protected JsInteropObject(IJSObjectReference jsObjRef)
+        {
+            JsObjRef = jsObjRef;
+        }
+
+        /// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources asynchronously.</summary>
+        /// <returns>A task that represents the asynchronous dispose operation.</returns>
+        public async ValueTask DisposeAsync()
+        {
+            await JsObjRef.DisposeAsync().ConfigureAwait(false);
+        }
+
+        public IJSObjectReference JsObjRef { get; }
+    }
+}

Blazor.QrCode/ModuleCreator.cs

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+using Microsoft.JSInterop;
+
+namespace Blazor.QrCode;
+
+public class ModuleCreator
+{
+    public ModuleCreator(IJSRuntime jsInstance)
+    {
+        JsInstance = jsInstance;
+    }
+
+    public async Task<QrCodeModule> CreateAsync()
+    {
+        IJSObjectReference moduleRef = await JsInstance.InvokeAsync<IJSObjectReference>(
+                                           "import",
+                                           "./_content/Blazor.QrCode/qrcodeInterop.js").ConfigureAwait(false);
+
+        return new QrCodeModule(JsInstance, moduleRef);
+    }
+
+    public IJSRuntime JsInstance { get; }
+}

Blazor.QrCode/QrCode.razor

@@ -0,0 +1,16 @@
+@using Microsoft.JSInterop
+
+<div id=@CanvasId ></div>
+
+@code
+{
+    /// <summary>
+    /// Gets or sets the canvas identifier.
+    /// </summary>
+    /// <value>The canvas identifier.</value>
+    [Parameter]
+    public string CanvasId { get; set; } = "qrcode";
+
+    [Parameter]
+    public QrCodeOptions? Options { get; set; }
+}