feat: add basic support for SVG generator.

Add heat map example.
2026-01-07 22:03:22 +08:00
parent da764bd99f
commit 909448d9f5
40 changed files with 3099 additions and 2 deletions
--- a/.editorconfig
+++ b/.editorconfig
@@ -17,7 +17,7 @@ indent_size = 2

 # C# and Visual Basic files
 [*.{cs,vb}]
-charset = utf-8-bom
+charset = utf-8

 # Analyzers
 dotnet_analyzer_diagnostic.category-Security.severity = error
--- a/BlazorSvgComponents.slnx
+++ b/BlazorSvgComponents.slnx
@@ -1,4 +1,7 @@
 <Solution>
+  <Folder Name="/samples/">
+    <Project Path="samples\HeatMap\HeatMap.csproj" />
+  </Folder>
  <Folder Name="/src/">
    <Project Path="src/BlazorSvgComponents/BlazorSvgComponents.csproj" />
  </Folder>
--- a/samples/HeatMap/Components/App.razor
+++ b/samples/HeatMap/Components/App.razor
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <base href="/" />
+    <ResourcePreloader />
+    <link rel="stylesheet" href="@Assets["app.css"]" />
+    <link rel="stylesheet" href="@Assets["HeatMap.styles.css"]" />
+    <link rel="stylesheet" href="@Assets["tailwind.g.css"]" />
+    <ImportMap />
+    <HeadOutlet />
+</head>
+
+<body>
+    <Routes />
+    <ReconnectModal />
+    <script src="@Assets["_framework/blazor.web.js"]"></script>
+</body>
+
+</html>
--- a/samples/HeatMap/Components/Layout/MainLayout.razor
+++ b/samples/HeatMap/Components/Layout/MainLayout.razor
@@ -0,0 +1,9 @@
+@inherits LayoutComponentBase
+
+@Body
+
+<div id="blazor-error-ui" data-nosnippet>
+    An unhandled error has occurred.
+    <a href="." class="reload">Reload</a>
+    <span class="dismiss">🗙</span>
+</div>
--- a/samples/HeatMap/Components/Layout/MainLayout.razor.css
+++ b/samples/HeatMap/Components/Layout/MainLayout.razor.css
@@ -0,0 +1,20 @@
+#blazor-error-ui {
+    color-scheme: light only;
+    background: lightyellow;
+    bottom: 0;
+    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
+    box-sizing: border-box;
+    display: none;
+    left: 0;
+    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
+    position: fixed;
+    width: 100%;
+    z-index: 1000;
+}
+
+    #blazor-error-ui .dismiss {
+        cursor: pointer;
+        position: absolute;
+        right: 0.75rem;
+        top: 0.5rem;
+    }
--- a/samples/HeatMap/Components/Layout/ReconnectModal.razor
+++ b/samples/HeatMap/Components/Layout/ReconnectModal.razor
@@ -0,0 +1,31 @@
+<script type="module" src="@Assets["Components/Layout/ReconnectModal.razor.js"]"></script>
+
+<dialog id="components-reconnect-modal" data-nosnippet>
+    <div class="components-reconnect-container">
+        <div class="components-rejoining-animation" aria-hidden="true">
+            <div></div>
+            <div></div>
+        </div>
+        <p class="components-reconnect-first-attempt-visible">
+            Rejoining the server...
+        </p>
+        <p class="components-reconnect-repeated-attempt-visible">
+            Rejoin failed... trying again in <span id="components-seconds-to-next-attempt"></span> seconds.
+        </p>
+        <p class="components-reconnect-failed-visible">
+            Failed to rejoin.<br />Please retry or reload the page.
+        </p>
+        <button id="components-reconnect-button" class="components-reconnect-failed-visible">
+            Retry
+        </button>
+        <p class="components-pause-visible">
+            The session has been paused by the server.
+        </p>
+        <button id="components-resume-button" class="components-pause-visible">
+            Resume
+        </button>
+        <p class="components-resume-failed-visible">
+            Failed to resume the session.<br />Please reload the page.
+        </p>
+    </div>
+</dialog>
--- a/samples/HeatMap/Components/Layout/ReconnectModal.razor.css
+++ b/samples/HeatMap/Components/Layout/ReconnectModal.razor.css
@@ -0,0 +1,157 @@
+.components-reconnect-first-attempt-visible,
+.components-reconnect-repeated-attempt-visible,
+.components-reconnect-failed-visible,
+.components-pause-visible,
+.components-resume-failed-visible,
+.components-rejoining-animation {
+    display: none;
+}
+
+#components-reconnect-modal.components-reconnect-show .components-reconnect-first-attempt-visible,
+#components-reconnect-modal.components-reconnect-show .components-rejoining-animation,
+#components-reconnect-modal.components-reconnect-paused .components-pause-visible,
+#components-reconnect-modal.components-reconnect-resume-failed .components-resume-failed-visible,
+#components-reconnect-modal.components-reconnect-retrying,
+#components-reconnect-modal.components-reconnect-retrying .components-reconnect-repeated-attempt-visible,
+#components-reconnect-modal.components-reconnect-retrying .components-rejoining-animation,
+#components-reconnect-modal.components-reconnect-failed,
+#components-reconnect-modal.components-reconnect-failed .components-reconnect-failed-visible {
+    display: block;
+}
+
+
+#components-reconnect-modal {
+    background-color: white;
+    width: 20rem;
+    margin: 20vh auto;
+    padding: 2rem;
+    border: 0;
+    border-radius: 0.5rem;
+    box-shadow: 0 3px 6px 2px rgba(0, 0, 0, 0.3);
+    opacity: 0;
+    transition: display 0.5s allow-discrete, overlay 0.5s allow-discrete;
+    animation: components-reconnect-modal-fadeOutOpacity 0.5s both;
+    &[open]
+
+{
+    animation: components-reconnect-modal-slideUp 1.5s cubic-bezier(.05, .89, .25, 1.02) 0.3s, components-reconnect-modal-fadeInOpacity 0.5s ease-in-out 0.3s;
+    animation-fill-mode: both;
+}
+
+}
+
+#components-reconnect-modal::backdrop {
+    background-color: rgba(0, 0, 0, 0.4);
+    animation: components-reconnect-modal-fadeInOpacity 0.5s ease-in-out;
+    opacity: 1;
+}
+
+@keyframes components-reconnect-modal-slideUp {
+    0% {
+        transform: translateY(30px) scale(0.95);
+    }
+
+    100% {
+        transform: translateY(0);
+    }
+}
+
+@keyframes components-reconnect-modal-fadeInOpacity {
+    0% {
+        opacity: 0;
+    }
+
+    100% {
+        opacity: 1;
+    }
+}
+
+@keyframes components-reconnect-modal-fadeOutOpacity {
+    0% {
+        opacity: 1;
+    }
+
+    100% {
+        opacity: 0;
+    }
+}
+
+.components-reconnect-container {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 1rem;
+}
+
+#components-reconnect-modal p {
+    margin: 0;
+    text-align: center;
+}
+
+#components-reconnect-modal button {
+    border: 0;
+    background-color: #6b9ed2;
+    color: white;
+    padding: 4px 24px;
+    border-radius: 4px;
+}
+
+    #components-reconnect-modal button:hover {
+        background-color: #3b6ea2;
+    }
+
+    #components-reconnect-modal button:active {
+        background-color: #6b9ed2;
+    }
+
+.components-rejoining-animation {
+    position: relative;
+    width: 80px;
+    height: 80px;
+}
+
+    .components-rejoining-animation div {
+        position: absolute;
+        border: 3px solid #0087ff;
+        opacity: 1;
+        border-radius: 50%;
+        animation: components-rejoining-animation 1.5s cubic-bezier(0, 0.2, 0.8, 1) infinite;
+    }
+
+        .components-rejoining-animation div:nth-child(2) {
+            animation-delay: -0.5s;
+        }
+
+@keyframes components-rejoining-animation {
+    0% {
+        top: 40px;
+        left: 40px;
+        width: 0;
+        height: 0;
+        opacity: 0;
+    }
+
+    4.9% {
+        top: 40px;
+        left: 40px;
+        width: 0;
+        height: 0;
+        opacity: 0;
+    }
+
+    5% {
+        top: 40px;
+        left: 40px;
+        width: 0;
+        height: 0;
+        opacity: 1;
+    }
+
+    100% {
+        top: 0px;
+        left: 0px;
+        width: 80px;
+        height: 80px;
+        opacity: 0;
+    }
+}
--- a/samples/HeatMap/Components/Layout/ReconnectModal.razor.js
+++ b/samples/HeatMap/Components/Layout/ReconnectModal.razor.js
@@ -0,0 +1,63 @@
+// Set up event handlers
+const reconnectModal = document.getElementById("components-reconnect-modal");
+reconnectModal.addEventListener("components-reconnect-state-changed", handleReconnectStateChanged);
+
+const retryButton = document.getElementById("components-reconnect-button");
+retryButton.addEventListener("click", retry);
+
+const resumeButton = document.getElementById("components-resume-button");
+resumeButton.addEventListener("click", resume);
+
+function handleReconnectStateChanged(event) {
+    if (event.detail.state === "show") {
+        reconnectModal.showModal();
+    } else if (event.detail.state === "hide") {
+        reconnectModal.close();
+    } else if (event.detail.state === "failed") {
+        document.addEventListener("visibilitychange", retryWhenDocumentBecomesVisible);
+    } else if (event.detail.state === "rejected") {
+        location.reload();
+    }
+}
+
+async function retry() {
+    document.removeEventListener("visibilitychange", retryWhenDocumentBecomesVisible);
+
+    try {
+        // Reconnect will asynchronously return:
+        // - true to mean success
+        // - false to mean we reached the server, but it rejected the connection (e.g., unknown circuit ID)
+        // - exception to mean we didn't reach the server (this can be sync or async)
+        const successful = await Blazor.reconnect();
+        if (!successful) {
+            // We have been able to reach the server, but the circuit is no longer available.
+            // We'll reload the page so the user can continue using the app as quickly as possible.
+            const resumeSuccessful = await Blazor.resumeCircuit();
+            if (!resumeSuccessful) {
+                location.reload();
+            } else {
+                reconnectModal.close();
+            }
+        }
+    } catch (err) {
+        // We got an exception, server is currently unavailable
+        document.addEventListener("visibilitychange", retryWhenDocumentBecomesVisible);
+    }
+}
+
+async function resume() {
+    try {
+        const successful = await Blazor.resumeCircuit();
+        if (!successful) {
+            location.reload();
+        }
+    } catch {
+        location.reload();
+    }
+}
+
+async function retryWhenDocumentBecomesVisible() {
+    if (document.visibilityState === "visible") {
+        await retry();
+    }
+}
--- a/samples/HeatMap/Components/Pages/Error.razor
+++ b/samples/HeatMap/Components/Pages/Error.razor
@@ -0,0 +1,36 @@
+@page "/Error"
+@using System.Diagnostics
+
+<PageTitle>Error</PageTitle>
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (ShowRequestId)
+{
+    <p>
+        <strong>Request ID:</strong> <code>@RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>
+
+@code{
+    [CascadingParameter]
+    private HttpContext? HttpContext { get; set; }
+
+    private string? RequestId { get; set; }
+    private bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+    protected override void OnInitialized() =>
+        RequestId = Activity.Current?.Id ?? HttpContext?.TraceIdentifier;
+}
--- a/samples/HeatMap/Components/Pages/Home.razor
+++ b/samples/HeatMap/Components/Pages/Home.razor
@@ -0,0 +1,125 @@
+@page "/"
+@using BlazorSvgComponents.Models
+@using HotMap.Services
+@using HotMap.Utils
+@inject HeatMapService HeatMapInstance
+
+<PageTitle>Heat Map!</PageTitle>
+
+
+<div class="w-full">
+    <p class="text-2xl">
+        Heat map below:
+    </p>
+    <div>
+        <SvgContainer Width="800" Height="400" ViewBox="@GetHeatMapViewBox()">
+            <SvgGroup Transform="@(SvgTransform.CreateBuilder().Translate(23, 10).Build())">
+                @foreach ((int i, string text) in _monthIndexes)
+                {
+                    <SvgText Content="@text" Transform="@MonthTextTransform(i)" Class="text-[10px]"/>
+                }
+            </SvgGroup>
+            <SvgGroup Transform="@(SvgTransform.CreateBuilder().Translate(2, 24).Build())">
+                @foreach ((string text, int i) in Weekdays.Select((s, i) => (s, i)))
+                {
+                    <SvgText Content="@text" Transform="@(DayTextTransform(i))" Class="text-[10px]"/>
+                }
+            </SvgGroup>
+            <SvgGroup Transform="@(SvgTransform.CreateBuilder().Translate(25, 15).Build())">
+                @foreach ((HeatMapGroupByWeek itemsByItem, int i) in _groupsByWeek.WithIndex())
+                {
+                    <SvgGroup Transform="@(WeekGridTransform(i))">
+                        @foreach ((HeatMapItem item, int j) in itemsByItem.Items.WithIndex())
+                        {
+                            <Rectangle Width="@Width" Height="@Width" Transform="@(WeekdayGridTransform(j))"
+                                       Class="@(GetColorByContribution(item.Contributions))"/>
+                        }
+                    </SvgGroup>
+                }
+            </SvgGroup>
+        </SvgContainer>
+    </div>
+</div>
+
+@code {
+    private const int Width = 10;
+    private const int Spacing = 2;
+
+    private readonly record struct MonthIndex(int Pos, string Month);
+
+    private readonly List<MonthIndex> _monthIndexes = [];
+    private readonly List<HeatMapGroupByWeek> _groupsByWeek = [];
+
+    protected override void OnInitialized()
+    {
+        base.OnInitialized();
+
+        _groupsByWeek.AddRange(HeatMapInstance.GetItemsByWeek());
+
+        // To get the last item, we skip the first item.
+        // So index of current item is i + 1, and index of last item is i.
+        foreach ((HeatMapGroupByWeek group, int i) in _groupsByWeek.Skip(1).WithIndex())
+        {
+            if (group.Monday.Month == _groupsByWeek[i].Monday.Month)
+            {
+                continue;
+            }
+
+            // If current week item is not in the same month as the last week item.
+            _monthIndexes.Add(new MonthIndex(i + 1, Months[group.Monday.Month - 1]));
+        }
+    }
+
+    private SvgViewBox GetHeatMapViewBox()
+    {
+        int width = 25 + Width * _groupsByWeek.Count + Spacing * (_groupsByWeek.Count - 1);
+        int height = 15 + Width * 7 + Spacing * 6;
+
+        // Add an extra 10 pixels to make sure nothing is hidden.
+        return new SvgViewBox(0, 0, width + 10, height + 10);
+    }
+
+    private static readonly List<string> Months =
+    [
+        "1月", "2月", "3月", "4月", "5月", "6月",
+        "7月", "8月", "9月", "10月", "11月", "12月"
+    ];
+
+    // private static readonly List<string> Weekdays = ["周一", "周二", "周三", "周四", "周五", "周六", "周日"];
+    private static readonly List<string> Weekdays = ["周一", "周三", "周五"];
+
+    private static SvgTransform WeekdayGridTransform(int y)
+    {
+        return SvgTransform.CreateBuilder().Translate(0, y * (Width + Spacing)).Build();
+    }
+
+    private static SvgTransform WeekGridTransform(int x)
+    {
+        return SvgTransform.CreateBuilder().Translate(x * (Width + Spacing)).Build();
+    }
+
+    private static SvgTransform MonthTextTransform(int x)
+    {
+        return SvgTransform.CreateBuilder().Translate(x * (Width + Spacing)).Build();
+    }
+
+    private static SvgTransform DayTextTransform(int y)
+    {
+        // We only show Monday, Wednesday and Friday, so there are two days between texts.
+        return SvgTransform.CreateBuilder().Translate(0, y * 2 * (Width + Spacing)).Build();
+    }
+
+    private static string GetColorByContribution(int contribution)
+    {
+        return contribution switch
+        {
+            0 => "fill-gray-200",
+            1 or 2 => "fill-blue-100",
+            3 or 4 => "fill-blue-300",
+            5 or 6 => "fill-blue-500",
+            7 or 8 => "fill-blue-700",
+            _ => "fill-blue-800"
+        };
+    }
+
+}
--- a/samples/HeatMap/Components/Pages/NotFound.razor
+++ b/samples/HeatMap/Components/Pages/NotFound.razor
@@ -0,0 +1,5 @@
+@page "/not-found"
+@layout MainLayout
+
+<h3>Not Found</h3>
+<p>Sorry, the content you are looking for does not exist.</p>
--- a/samples/HeatMap/Components/Routes.razor
+++ b/samples/HeatMap/Components/Routes.razor
@@ -0,0 +1,6 @@
+<Router AppAssembly="typeof(Program).Assembly" NotFoundPage="typeof(Pages.NotFound)">
+    <Found Context="routeData">
+        <RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)" />
+        <FocusOnNavigate RouteData="routeData" Selector="h1" />
+    </Found>
+</Router>
--- a/samples/HeatMap/Components/_Imports.razor
+++ b/samples/HeatMap/Components/_Imports.razor
@@ -0,0 +1,12 @@
+@using System.Net.Http
+@using System.Net.Http.Json
+@using Microsoft.AspNetCore.Components.Forms
+@using Microsoft.AspNetCore.Components.Routing
+@using Microsoft.AspNetCore.Components.Web
+@using static Microsoft.AspNetCore.Components.Web.RenderMode
+@using Microsoft.AspNetCore.Components.Web.Virtualization
+@using Microsoft.JSInterop
+@using HotMap
+@using HotMap.Components
+@using HotMap.Components.Layout
+@using BlazorSvgComponents
--- a/samples/HeatMap/Directory.Build.targets
+++ b/samples/HeatMap/Directory.Build.targets
@@ -0,0 +1,53 @@
+<Project>
+  <PropertyGroup>
+    <ClientAssetsRestoreCommand Condition="'$(ClientAssesRestoreCommand)' == ''">pnpm install</ClientAssetsRestoreCommand>
+    <ClientAssetsBuildCommand Condition="'$(ClientAssetsBuildCommand)' == ''">pnpm run build</ClientAssetsBuildCommand>
+    <ClientAssetsBuildOutputParameter Condition="'$(ClientAssetsBuildOutputParameter)' == ''">--output</ClientAssetsBuildOutputParameter>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <_RestoreClientAssetsBeforeTargets Condition="'$(TargetFramework)' == ''">DispatchToInnerBuilds</_RestoreClientAssetsBeforeTargets>
+  </PropertyGroup>
+
+  <Target Name="RestoreClientAssets" BeforeTargets="$(_RestoreClientAssetsBeforeTargets)">
+    <Message Importance="high" Text="Running $(ClientAssetsRestoreCommand)"/>
+    <Exec Command="$(ClientAssetsRestoreCommand)"/>
+  </Target>
+
+  <Target Name="BuildClientAssets" DependsOnTargets="RestoreClientAssets" BeforeTargets="AssignTargetPaths">
+    <PropertyGroup>
+      <_ClientAssetsOutputFullPath>$([System.IO.Path]::GetFullPath('$(IntermediateOutputPath)ClientAssets'))</_ClientAssetsOutputFullPath>
+    </PropertyGroup>
+
+    <MakeDir Directories="$(_ClientAssetsOutputFullPath)"/>
+    <Exec Command="$(ClientAssetsBuildCommand) $(ClientAssetsBuildOutputParameter) $(_ClientAssetsOutputFullPath)"/>
+
+    <ItemGroup>
+      <_ClientAssetsBuildOutput Include="$(IntermediateOutputPath)ClientAssets\**"/>
+    </ItemGroup>
+  </Target>
+
+  <Target Name="DefineClientAssets" AfterTargets="BuildClientAssets" DependsOnTargets="ResolveStaticWebAssetsConfiguration">
+    <ItemGroup>
+      <FileWrites Include="@(_ClientAssetsBuildOutput)"/>
+    </ItemGroup>
+
+    <DefineStaticWebAssets
+      CandidateAssets="@(_ClientAssetsBuildOutput)"
+      SourceId="$(PackageId)"
+      SourceType="Computed"
+      ContentRoot="$(_ClientAssetsOutputFullPath)"
+      BasePath="$(StaticWebAssetBasePath)"
+    >
+      <Output TaskParameter="Assets" ItemName="StaticWebAsset"/>
+      <Output TaskParameter="Assets" ItemName="_ClientAssetsStaticWebAsset"/>
+    </DefineStaticWebAssets>
+
+    <DefineStaticWebAssetEndpoints
+      CandidateAssets="@(_ClientAssetsStaticWebAsset)"
+      ContentTypeMappings="@(StaticWebAssetContentTypeMapping)"
+    >
+      <Output TaskParameter="Endpoints" ItemName="StaticWebAssetEndpoint" />
+    </DefineStaticWebAssetEndpoints>
+  </Target>
+</Project>
--- a/samples/HeatMap/HeatMap.csproj
+++ b/samples/HeatMap/HeatMap.csproj
@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <BlazorDisableThrowNavigationException>true</BlazorDisableThrowNavigationException>
+    <RootNamespace>HotMap</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\BlazorSvgComponents\BlazorSvgComponents.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <ClientAssetsRestoreCommand>pnpm install</ClientAssetsRestoreCommand>
+    <ClientAssetsBuildCommand>pwsh build.ps1</ClientAssetsBuildCommand>
+  </PropertyGroup>
+</Project>
--- a/samples/HeatMap/Program.cs
+++ b/samples/HeatMap/Program.cs
@@ -0,0 +1,28 @@
+using HotMap.Components;
+using HotMap.Services;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddRazorComponents()
+    .AddInteractiveServerComponents();
+builder.Services.AddSingleton<HeatMapService>();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (!app.Environment.IsDevelopment())
+{
+    app.UseExceptionHandler("/Error", createScopeForErrors: true);
+    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+    app.UseHsts();
+}
+app.UseStatusCodePagesWithReExecute("/not-found", createScopeForStatusCodePages: true);
+
+app.UseAntiforgery();
+
+app.MapStaticAssets();
+app.MapRazorComponents<App>()
+    .AddInteractiveServerRenderMode();
+
+app.Run();
--- a/samples/HeatMap/Properties/launchSettings.json
+++ b/samples/HeatMap/Properties/launchSettings.json
@@ -0,0 +1,14 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+    "profiles": {
+      "http": {
+        "commandName": "Project",
+        "dotnetRunMessages": true,
+        "launchBrowser": false,
+        "applicationUrl": "http://localhost:5184",
+        "environmentVariables": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      }
+    }
+  }
--- a/samples/HeatMap/Services/HeatMapService.cs
+++ b/samples/HeatMap/Services/HeatMapService.cs
--- a/samples/HeatMap/Utils/UtilsExtensions.cs
+++ b/samples/HeatMap/Utils/UtilsExtensions.cs
@@ -0,0 +1,25 @@
+namespace HotMap.Utils;
+
+public static class UtilsExtensions
+{
+    extension(DateOnly date)
+    {
+        public DateOnly GetMonday()
+        {
+            return date.DayOfWeek switch
+            {
+                DayOfWeek.Monday => date,
+                DayOfWeek.Sunday => date.AddDays(-6),
+                _ => date.AddDays(1 - (int)date.DayOfWeek)
+            };
+        }
+    }
+
+    extension<T>(IEnumerable<T> enumerable)
+    {
+        public IEnumerable<(T, int)> WithIndex()
+        {
+            return enumerable.Select((v, i) => (v, i));
+        }
+    }
+}
--- a/samples/HeatMap/appsettings.Development.json
+++ b/samples/HeatMap/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}
--- a/samples/HeatMap/appsettings.json
+++ b/samples/HeatMap/appsettings.json
@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}
--- a/samples/HeatMap/build.ps1
+++ b/samples/HeatMap/build.ps1
@@ -0,0 +1,11 @@
+[cmdletbinding()]
+param(
+    [string]$output = "wwwroot"
+)
+
+
+$PSNativeCommandUseErrorActionPreference = $true
+$ErrorActionPreference = "Stop"
+
+Write-Output "Output directory: $output"
+pnpm tailwindcss -i wwwroot/tailwind.css -o $output/tailwind.g.css
--- a/samples/HeatMap/package.json
+++ b/samples/HeatMap/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "HotMap",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "packageManager": "pnpm@10.26.2",
+  "dependencies": {
+    "@tailwindcss/cli": "^4.1.18",
+    "tailwindcss": "^4.1.18"
+  }
+}
--- a/samples/HeatMap/pnpm-lock.yaml
+++ b/samples/HeatMap/pnpm-lock.yaml
@@ -0,0 +1,622 @@
+lockfileVersion: '9.0'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+importers:
+
+  .:
+    dependencies:
+      '@tailwindcss/cli':
+        specifier: ^4.1.18
+        version: 4.1.18
+      tailwindcss:
+        specifier: ^4.1.18
+        version: 4.1.18
+
+packages:
+
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+
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+
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+    engines: {node: '>=6.0.0'}
+
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+
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+
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+    engines: {node: '>= 12.0.0'}
+    cpu: [x64]
+    os: [win32]
+
+  lightningcss@1.30.2:
+    resolution: {integrity: sha512-utfs7Pr5uJyyvDETitgsaqSyjCb2qNRAtuqUeWIAKztsOYdcACf2KtARYXg2pSvhkt+9NfoaNY7fxjl6nuMjIQ==}
+    engines: {node: '>= 12.0.0'}
+
+  magic-string@0.30.21:
+    resolution: {integrity: sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ==}
+
+  micromatch@4.0.8:
+    resolution: {integrity: sha512-PXwfBhYu0hBCPw8Dn0E+WDYb7af3dSLVWKi3HGv84IdF4TyFoC0ysxFd0Goxw7nSv4T/PzEJQxsYsEiFCKo2BA==}
+    engines: {node: '>=8.6'}
+
+  mri@1.2.0:
+    resolution: {integrity: sha512-tzzskb3bG8LvYGFF/mDTpq3jpI6Q9wc3LEmBaghu+DdCssd1FakN7Bc0hVNmEyGq1bq3RgfkCb3cmQLpNPOroA==}
+    engines: {node: '>=4'}
+
+  node-addon-api@7.1.1:
+    resolution: {integrity: sha512-5m3bsyrjFWE1xf7nz7YXdN4udnVtXK6/Yfgn5qnahL6bCkf2yKt4k3nuTKAtT4r3IG8JNR2ncsIMdZuAzJjHQQ==}
+
+  picocolors@1.1.1:
+    resolution: {integrity: sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==}
+
+  picomatch@2.3.1:
+    resolution: {integrity: sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==}
+    engines: {node: '>=8.6'}
+
+  source-map-js@1.2.1:
+    resolution: {integrity: sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==}
+    engines: {node: '>=0.10.0'}
+
+  tailwindcss@4.1.18:
+    resolution: {integrity: sha512-4+Z+0yiYyEtUVCScyfHCxOYP06L5Ne+JiHhY2IjR2KWMIWhJOYZKLSGZaP5HkZ8+bY0cxfzwDE5uOmzFXyIwxw==}
+
+  tapable@2.3.0:
+    resolution: {integrity: sha512-g9ljZiwki/LfxmQADO3dEY1CbpmXT5Hm2fJ+QaGKwSXUylMybePR7/67YW7jOrrvjEgL1Fmz5kzyAjWVWLlucg==}
+    engines: {node: '>=6'}
+
+  to-regex-range@5.0.1:
+    resolution: {integrity: sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==}
+    engines: {node: '>=8.0'}
+
+snapshots:
+
+  '@jridgewell/gen-mapping@0.3.13':
+    dependencies:
+      '@jridgewell/sourcemap-codec': 1.5.5
+      '@jridgewell/trace-mapping': 0.3.31
+
+  '@jridgewell/remapping@2.3.5':
+    dependencies:
+      '@jridgewell/gen-mapping': 0.3.13
+      '@jridgewell/trace-mapping': 0.3.31
+
+  '@jridgewell/resolve-uri@3.1.2': {}
+
+  '@jridgewell/sourcemap-codec@1.5.5': {}
+
+  '@jridgewell/trace-mapping@0.3.31':
+    dependencies:
+      '@jridgewell/resolve-uri': 3.1.2
+      '@jridgewell/sourcemap-codec': 1.5.5
+
+  '@parcel/watcher-android-arm64@2.5.1':
+    optional: true
+
+  '@parcel/watcher-darwin-arm64@2.5.1':
+    optional: true
+
+  '@parcel/watcher-darwin-x64@2.5.1':
+    optional: true
+
+  '@parcel/watcher-freebsd-x64@2.5.1':
+    optional: true
+
+  '@parcel/watcher-linux-arm-glibc@2.5.1':
+    optional: true
+
+  '@parcel/watcher-linux-arm-musl@2.5.1':
+    optional: true
+
+  '@parcel/watcher-linux-arm64-glibc@2.5.1':
+    optional: true
+
+  '@parcel/watcher-linux-arm64-musl@2.5.1':
+    optional: true
+
+  '@parcel/watcher-linux-x64-glibc@2.5.1':
+    optional: true
+
+  '@parcel/watcher-linux-x64-musl@2.5.1':
+    optional: true
+
+  '@parcel/watcher-win32-arm64@2.5.1':
+    optional: true
+
+  '@parcel/watcher-win32-ia32@2.5.1':
+    optional: true
+
+  '@parcel/watcher-win32-x64@2.5.1':
+    optional: true
+
+  '@parcel/watcher@2.5.1':
+    dependencies:
+      detect-libc: 1.0.3
+      is-glob: 4.0.3
+      micromatch: 4.0.8
+      node-addon-api: 7.1.1
+    optionalDependencies:
+      '@parcel/watcher-android-arm64': 2.5.1
+      '@parcel/watcher-darwin-arm64': 2.5.1
+      '@parcel/watcher-darwin-x64': 2.5.1
+      '@parcel/watcher-freebsd-x64': 2.5.1
+      '@parcel/watcher-linux-arm-glibc': 2.5.1
+      '@parcel/watcher-linux-arm-musl': 2.5.1
+      '@parcel/watcher-linux-arm64-glibc': 2.5.1
+      '@parcel/watcher-linux-arm64-musl': 2.5.1
+      '@parcel/watcher-linux-x64-glibc': 2.5.1
+      '@parcel/watcher-linux-x64-musl': 2.5.1
+      '@parcel/watcher-win32-arm64': 2.5.1
+      '@parcel/watcher-win32-ia32': 2.5.1
+      '@parcel/watcher-win32-x64': 2.5.1
+
+  '@tailwindcss/cli@4.1.18':
+    dependencies:
+      '@parcel/watcher': 2.5.1
+      '@tailwindcss/node': 4.1.18
+      '@tailwindcss/oxide': 4.1.18
+      enhanced-resolve: 5.18.4
+      mri: 1.2.0
+      picocolors: 1.1.1
+      tailwindcss: 4.1.18
+
+  '@tailwindcss/node@4.1.18':
+    dependencies:
+      '@jridgewell/remapping': 2.3.5
+      enhanced-resolve: 5.18.4
+      jiti: 2.6.1
+      lightningcss: 1.30.2
+      magic-string: 0.30.21
+      source-map-js: 1.2.1
+      tailwindcss: 4.1.18
+
+  '@tailwindcss/oxide-android-arm64@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-darwin-arm64@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-darwin-x64@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-freebsd-x64@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-linux-arm-gnueabihf@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-linux-arm64-gnu@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-linux-arm64-musl@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-linux-x64-gnu@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-linux-x64-musl@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-wasm32-wasi@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-win32-arm64-msvc@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide-win32-x64-msvc@4.1.18':
+    optional: true
+
+  '@tailwindcss/oxide@4.1.18':
+    optionalDependencies:
+      '@tailwindcss/oxide-android-arm64': 4.1.18
+      '@tailwindcss/oxide-darwin-arm64': 4.1.18
+      '@tailwindcss/oxide-darwin-x64': 4.1.18
+      '@tailwindcss/oxide-freebsd-x64': 4.1.18
+      '@tailwindcss/oxide-linux-arm-gnueabihf': 4.1.18
+      '@tailwindcss/oxide-linux-arm64-gnu': 4.1.18
+      '@tailwindcss/oxide-linux-arm64-musl': 4.1.18
+      '@tailwindcss/oxide-linux-x64-gnu': 4.1.18
+      '@tailwindcss/oxide-linux-x64-musl': 4.1.18
+      '@tailwindcss/oxide-wasm32-wasi': 4.1.18
+      '@tailwindcss/oxide-win32-arm64-msvc': 4.1.18
+      '@tailwindcss/oxide-win32-x64-msvc': 4.1.18
+
+  braces@3.0.3:
+    dependencies:
+      fill-range: 7.1.1
+
+  detect-libc@1.0.3: {}
+
+  detect-libc@2.1.2: {}
+
+  enhanced-resolve@5.18.4:
+    dependencies:
+      graceful-fs: 4.2.11
+      tapable: 2.3.0
+
+  fill-range@7.1.1:
+    dependencies:
+      to-regex-range: 5.0.1
+
+  graceful-fs@4.2.11: {}
+
+  is-extglob@2.1.1: {}
+
+  is-glob@4.0.3:
+    dependencies:
+      is-extglob: 2.1.1
+
+  is-number@7.0.0: {}
+
+  jiti@2.6.1: {}
+
+  lightningcss-android-arm64@1.30.2:
+    optional: true
+
+  lightningcss-darwin-arm64@1.30.2:
+    optional: true
+
+  lightningcss-darwin-x64@1.30.2:
+    optional: true
+
+  lightningcss-freebsd-x64@1.30.2:
+    optional: true
+
+  lightningcss-linux-arm-gnueabihf@1.30.2:
+    optional: true
+
+  lightningcss-linux-arm64-gnu@1.30.2:
+    optional: true
+
+  lightningcss-linux-arm64-musl@1.30.2:
+    optional: true
+
+  lightningcss-linux-x64-gnu@1.30.2:
+    optional: true
+
+  lightningcss-linux-x64-musl@1.30.2:
+    optional: true
+
+  lightningcss-win32-arm64-msvc@1.30.2:
+    optional: true
+
+  lightningcss-win32-x64-msvc@1.30.2:
+    optional: true
+
+  lightningcss@1.30.2:
+    dependencies:
+      detect-libc: 2.1.2
+    optionalDependencies:
+      lightningcss-android-arm64: 1.30.2
+      lightningcss-darwin-arm64: 1.30.2
+      lightningcss-darwin-x64: 1.30.2
+      lightningcss-freebsd-x64: 1.30.2
+      lightningcss-linux-arm-gnueabihf: 1.30.2
+      lightningcss-linux-arm64-gnu: 1.30.2
+      lightningcss-linux-arm64-musl: 1.30.2
+      lightningcss-linux-x64-gnu: 1.30.2
+      lightningcss-linux-x64-musl: 1.30.2
+      lightningcss-win32-arm64-msvc: 1.30.2
+      lightningcss-win32-x64-msvc: 1.30.2
+
+  magic-string@0.30.21:
+    dependencies:
+      '@jridgewell/sourcemap-codec': 1.5.5
+
+  micromatch@4.0.8:
+    dependencies:
+      braces: 3.0.3
+      picomatch: 2.3.1
+
+  mri@1.2.0: {}
+
+  node-addon-api@7.1.1: {}
+
+  picocolors@1.1.1: {}
+
+  picomatch@2.3.1: {}
+
+  source-map-js@1.2.1: {}
+
+  tailwindcss@4.1.18: {}
+
+  tapable@2.3.0: {}
+
+  to-regex-range@5.0.1:
+    dependencies:
+      is-number: 7.0.0
--- a/samples/HeatMap/wwwroot/app.css
+++ b/samples/HeatMap/wwwroot/app.css
@@ -0,0 +1,38 @@
+h1:focus {
+    outline: none;
+}
+
+.valid.modified:not([type=checkbox]) {
+    outline: 1px solid #26b050;
+}
+
+.invalid {
+    outline: 1px solid #e50000;
+}
+
+.validation-message {
+    color: #e50000;
+}
+
+.blazor-error-boundary {
+    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
+    padding: 1rem 1rem 1rem 3.7rem;
+    color: white;
+}
+
+    .blazor-error-boundary::after {
+        content: "An error has occurred."
+    }
+
+.darker-border-checkbox.form-check-input {
+    border-color: #929292;
+}
+
+.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
+    color: var(--bs-secondary-color);
+    text-align: end;
+}
+
+.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
+    text-align: start;
+}
--- a/samples/HeatMap/wwwroot/tailwind.css
+++ b/samples/HeatMap/wwwroot/tailwind.css
@@ -0,0 +1 @@
+@import "tailwindcss";
--- a/src/BlazorSvgComponents/BlazorSvgComponents.csproj
+++ b/src/BlazorSvgComponents/BlazorSvgComponents.csproj
@@ -6,7 +6,6 @@
    <ImplicitUsings>enable</ImplicitUsings>
  </PropertyGroup>

-
  <ItemGroup>
    <SupportedPlatform Include="browser" />
  </ItemGroup>
--- a/src/BlazorSvgComponents/Circle.razor
+++ b/src/BlazorSvgComponents/Circle.razor
@@ -0,0 +1,11 @@
+@inherits SvgComponentBase
+
+<circle cx="@CenterX" cy="@CenterY" r="@Radius" @attributes="@CommonAttributes"/>
+
+@code {
+    [Parameter] public int CenterX { get; set; }
+
+    [Parameter] public int CenterY { get; set; }
+
+    [Parameter] public int Radius { get; set; }
+}
--- a/src/BlazorSvgComponents/Ellipse.razor
+++ b/src/BlazorSvgComponents/Ellipse.razor
@@ -0,0 +1,13 @@
+@inherits SvgComponentBase
+
+<ellipse rx="@EllipseX" ry="@EllipseY" cx="@CenterX" cy="@CenterY" @attributes="@CommonAttributes"/>
+
+@code {
+    [Parameter] public int CenterX { get; set; }
+
+    [Parameter] public int CenterY { get; set; }
+
+    [Parameter] public int EllipseX { get; set; }
+
+    [Parameter] public int EllipseY { get; set; }
+}
--- a/src/BlazorSvgComponents/Line.razor
+++ b/src/BlazorSvgComponents/Line.razor
@@ -0,0 +1,10 @@
+@using BlazorSvgComponents.Models
+@inherits SvgComponentBase
+
+<line x1="@(Start.X)" y1="@(Start.Y)" x2="@(End.X)" y2="@(End.Y)" @attributes="@CommonAttributes"/>
+
+@code {
+    [Parameter] public SvgPoint Start { get; set; }
+
+    [Parameter] public SvgPoint End { get; set; }
+}
--- a/src/BlazorSvgComponents/Models/SvgPoint.cs
+++ b/src/BlazorSvgComponents/Models/SvgPoint.cs
@@ -0,0 +1,6 @@
+namespace BlazorSvgComponents.Models;
+
+public readonly record struct SvgPoint(int X, int Y)
+{
+    public override string ToString() => $"{X},{Y}";
+}
--- a/src/BlazorSvgComponents/Models/SvgTransform.cs
+++ b/src/BlazorSvgComponents/Models/SvgTransform.cs
@@ -0,0 +1,73 @@
+using System.Text;
+
+namespace BlazorSvgComponents.Models;
+
+public readonly struct SvgTransform
+{
+    public string Transform { get; }
+
+    internal SvgTransform(string transform)
+    {
+        Transform = transform;
+    }
+
+    public override string ToString() => Transform;
+
+    public static SvgTransformBuilder CreateBuilder() => new();
+
+    public static SvgTransform Empty => new(string.Empty);
+}
+
+public class SvgTransformBuilder
+{
+    private readonly StringBuilder _builder = new();
+
+    public SvgTransformBuilder TransformMatrix(int a, int b, int c, int d, int e, int f)
+    {
+        _builder.Append("matrix(")
+            .Append(a).Append(',')
+            .Append(b).Append(',')
+            .Append(c).Append(',')
+            .Append(d).Append(',')
+            .Append(e).Append(',')
+            .Append(f).Append(')')
+            .Append(' ');
+
+        return this;
+    }
+
+    public SvgTransformBuilder Translate(int x, int y = 0)
+    {
+        _builder.Append($"translate({x} {y}) ");
+        return this;
+    }
+
+    public SvgTransformBuilder Scale(int x, int y)
+    {
+        _builder.Append($"scale({x} {y}) ");
+        return this;
+    }
+
+    public SvgTransformBuilder Rotate(int a, int x = 0, int y = 0)
+    {
+        _builder.Append($"rotate({a} {x} {y}) ");
+        return this;
+    }
+
+    public SvgTransformBuilder SkewX(int a)
+    {
+        _builder.Append($"skewX({a}) ");
+        return this;
+    }
+
+    public SvgTransformBuilder SkewY(int a)
+    {
+        _builder.Append($"skewY({a}) ");
+        return this;
+    }
+
+    public SvgTransform Build()
+    {
+        return new SvgTransform(_builder.ToString().Trim());
+    }
+}
--- a/src/BlazorSvgComponents/Models/SvgViewBox.cs
+++ b/src/BlazorSvgComponents/Models/SvgViewBox.cs
@@ -0,0 +1,8 @@
+namespace BlazorSvgComponents.Models;
+
+public readonly record struct SvgViewBox(int StartX, int StartY, int EndX, int EndY)
+{
+    public override string ToString() => $"{StartX} {StartY} {EndX} {EndY}";
+
+    public bool IsEmpty => StartX == 0 && StartY == 0 && EndX == 0 && EndY == 0;
+}
--- a/src/BlazorSvgComponents/Polygon.razor
+++ b/src/BlazorSvgComponents/Polygon.razor
@@ -0,0 +1,13 @@
+@using System.Text
+@using BlazorSvgComponents.Models
+@inherits SvgComponentBase
+
+<polygon points="@PointAttribute" @attributes="@CommonAttributes"/>
+
+@code {
+    [Parameter] public List<SvgPoint> Points { get; set; } = [];
+
+    private string PointAttribute =>
+        Points.Aggregate(new StringBuilder(), (builder, p) => builder.Append(' ').Append(p)).ToString().Trim();
+
+}
--- a/src/BlazorSvgComponents/Polyline.razor
+++ b/src/BlazorSvgComponents/Polyline.razor
@@ -0,0 +1,13 @@
+@using System.Text
+@using BlazorSvgComponents.Models
+@inherits SvgComponentBase
+
+<polyline points="@PointAttribute" @attributes="@CommonAttributes"/>
+
+@code {
+    [Parameter] public List<SvgPoint> Points { get; set; } = [];
+
+    private string PointAttribute =>
+        Points.Aggregate(new StringBuilder(), (builder, p) => builder.Append(' ').Append(p)).ToString().Trim();
+
+}
--- a/src/BlazorSvgComponents/Rectangle.razor
+++ b/src/BlazorSvgComponents/Rectangle.razor
@@ -0,0 +1,17 @@
+@inherits SvgComponentBase
+
+<rect x="@X" y="@Y" width="@Width" height="@Height" rx="@RadiusX" ry="@RadiusY" @attributes="@CommonAttributes"/>
+
+@code {
+    [Parameter] public int X { get; set; }
+
+    [Parameter] public int Y { get; set; }
+
+    [Parameter] public int Width { get; set; }
+
+    [Parameter] public int Height { get; set; }
+
+    [Parameter] public int RadiusX { get; set; }
+
+    [Parameter] public int RadiusY { get; set; }
+}
--- a/src/BlazorSvgComponents/SvgComponentBase.cs
+++ b/src/BlazorSvgComponents/SvgComponentBase.cs
@@ -0,0 +1,68 @@
+using System.Collections.ObjectModel;
+using System.Globalization;
+using Microsoft.AspNetCore.Components;
+using BlazorSvgComponents.Models;
+
+namespace BlazorSvgComponents;
+
+public enum StrokeLineCapKind
+{
+    Butt,
+    Round,
+    Square
+}
+
+public enum StrokeLineJoinKind
+{
+    Miter,
+    Round,
+    Bevel
+}
+
+public abstract class SvgComponentBase : ComponentBase
+{
+    [Parameter] public string Fill { get; set; } = string.Empty;
+
+    [Parameter] public string Stroke { get; set; } = string.Empty;
+
+    [Parameter] public int StrokeWidth { get; set; }
+
+    [Parameter] public float Opacity { get; set; } = 1f;
+
+    [Parameter] public float FillOpacity { get; set; } = 1f;
+
+    [Parameter] public float StrokeOpacity { get; set; } = 1f;
+
+    [Parameter] public StrokeLineCapKind StrokeLineCap { get; set; }
+
+    [Parameter] public StrokeLineJoinKind StrokeLineJoin { get; set; }
+
+    [Parameter] public string Id { get; set; } = string.Empty;
+
+    [Parameter] public string Class { get; set; } = string.Empty;
+
+    [Parameter] public string Style { get; set; } = string.Empty;
+
+    [Parameter] public string Title { get; set; } = string.Empty;
+
+    [Parameter] public SvgTransform Transform { get; set; } = SvgTransform.Empty;
+
+    protected IReadOnlyDictionary<string, object> CommonAttributes => new ReadOnlyDictionary<string, object>(
+        new Dictionary<string, string>
+            {
+                { "fill", Fill },
+                { "stroke", Stroke },
+                { "stroke-width", StrokeWidth.ToString() },
+                { "opacity", Opacity.ToString(CultureInfo.InvariantCulture) },
+                { "fill-opacity", FillOpacity.ToString(CultureInfo.InvariantCulture) },
+                { "stroke-opacity", StrokeOpacity.ToString(CultureInfo.InvariantCulture) },
+                { "stroke-linecap", StrokeLineCap.ToString() },
+                { "stroke-linejoin", StrokeLineJoin.ToString() },
+                { "id", Id },
+                { "class", Class },
+                { "style", Style },
+                { "title", Title },
+                { "transform", Transform.ToString() },
+            }.Where(pair => !string.IsNullOrEmpty(pair.Value))
+            .Select(pair => new KeyValuePair<string, object>(pair.Key, pair.Value)).ToDictionary());
+}
--- a/src/BlazorSvgComponents/SvgContainer.razor
+++ b/src/BlazorSvgComponents/SvgContainer.razor
@@ -0,0 +1,26 @@
+@using BlazorSvgComponents.Models
+@if (ViewBox.IsEmpty)
+{
+    <svg xmlns="http://www.w3.org/2000/svg" width="@Width" height="@Height">
+        @ChildContent
+    </svg>
+}
+else
+{
+    <svg xmlns="http://www.w3.org/2000/svg" width="@Width" height="@Height" viewBox="@ViewBox">
+        @ChildContent
+    </svg>
+}
+
+
+@code
+{
+    [Parameter] public RenderFragment? ChildContent { get; set; }
+
+    [Parameter] public string Width { get; set; } = "300";
+
+
+    [Parameter] public string Height { get; set; } = "150";
+
+    [Parameter] public SvgViewBox ViewBox { get; set; }
+}
--- a/src/BlazorSvgComponents/SvgGroup.razor
+++ b/src/BlazorSvgComponents/SvgGroup.razor
@@ -0,0 +1,7 @@
+@inherits SvgComponentBase
+
+<g @attributes="@CommonAttributes">@ChildContent</g>
+
+@code {
+    [Parameter] public RenderFragment? ChildContent { get; set; }
+}
--- a/src/BlazorSvgComponents/SvgText.razor
+++ b/src/BlazorSvgComponents/SvgText.razor
@@ -0,0 +1,14 @@
+@inherits SvgComponentBase
+
+<text x="@X" y="@Y" @attributes="@CommonAttributes">
+    @Content
+</text>
+
+@code {
+    [Parameter] public string Content { get; set; } = string.Empty;
+
+    [Parameter] public int X { get; set; }
+
+    [Parameter] public int Y { get; set; }
+
+}