feat: tank tree svg cards ready

WotBlitzStatisticsPro.Blazor/Services/SvgHelper.cs

@@ -0,0 +1,28 @@
+using Microsoft.JSInterop;
+using System.Threading.Tasks;
+using WotBlitzStatisticsPro.Blazor.Model;
+using System.Text.Json;
+
+namespace WotBlitzStatisticsPro.Blazor.Services
+{
+    public class SvgHelper : ISvgHelper
+    {
+        private readonly IJSRuntime _jsRuntime;
+
+        public SvgHelper(IJSRuntime jsRuntime)
+        {
+            _jsRuntime = jsRuntime;
+        }
+
+        public ElementDimensions CalculateTextBlockSize(string text, string fontFace, int fontSize)
+        {
+            var jsInProcess = (IJSInProcessRuntime)_jsRuntime;
+            return jsInProcess.Invoke<ElementDimensions>("svgHelper.CalculateTextBlockDimensions", new
+            {
+                Text = text,
+                Font = fontFace,
+                Size = fontSize
+            });
+        }
+    }
+}