让渲染层分开，因为看起来实现代码很多

LightTextEditorPlus/LightTextEditorPlus.Avalonia/TextEditor.cs

@@ -26,6 +26,7 @@ public TextEditor()
         HorizontalAlignment = HorizontalAlignment.Stretch;
         VerticalAlignment = VerticalAlignment.Stretch;
 
+        // 调试代码
         TextEditorCore.AppendText("123");
     }
 
@@ -35,11 +36,13 @@ public TextEditor()
     protected override Size MeasureOverride(Size availableSize)
     {
         var result = base.MeasureOverride(availableSize);
+        // 文本库，有多少就要多少
         return availableSize;
     }
 
     protected override Size ArrangeOverride(Size finalSize)
     {
+        // 实际布局多大就使用多大
         TextEditorCore.DocumentManager.DocumentWidth = finalSize.Width;
         TextEditorCore.DocumentManager.DocumentHeight = finalSize.Height;
 
@@ -86,6 +89,10 @@ public void Render(ImmediateDrawingContext context)
             using ISkiaSharpApiLease skiaSharpApiLease = skiaSharpApiLeaseFeature.Lease();
             _render.Render(skiaSharpApiLease.SkCanvas);
         }
+        else
+        {
+            // 不支持 Skia 绘制
+        }
     }
 
     public Rect Bounds { get; }

LightTextEditorPlus/LightTextEditorPlus.Skia/API_/ITextEditorSkiaRender.cs

@@ -0,0 +1,11 @@
+using SkiaSharp;
+
+namespace LightTextEditorPlus;
+
+/// <summary>
+/// 文本的 Skia 渲染器
+/// </summary>
+public interface ITextEditorSkiaRender
+{
+    void Render(SKCanvas canvas);
+}

LightTextEditorPlus/LightTextEditorPlus.Skia/LightTextEditorPlus.Skia.csproj.DotSettings

@@ -0,0 +1,2 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=api_005F/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

LightTextEditorPlus/LightTextEditorPlus.Skia/Rendering/RenderManager.cs

@@ -6,7 +6,7 @@
 
 namespace LightTextEditorPlus.Rendering;
 
-class RenderManager: IRenderManager
+class RenderManager: IRenderManager, ITextEditorSkiaRender
 {
     record SkiaTextRenderInfo();
 

LightTextEditorPlus/LightTextEditorPlus.Skia/SkiaTextEditor.cs

@@ -9,11 +9,10 @@
 using LightTextEditorPlus.Core.Platform;
 using LightTextEditorPlus.Core.Rendering;
 using LightTextEditorPlus.Rendering;
-using SkiaSharp;
 
 namespace LightTextEditorPlus;
 
-public partial class SkiaTextEditor : IRenderManager, ITextEditorSkiaRender
+public partial class SkiaTextEditor : IRenderManager
 {
     public SkiaTextEditor(PlatformProvider? platformProvider = null)
     {
@@ -39,23 +38,10 @@ void IRenderManager.Render(RenderInfoProvider renderInfoProvider)
 
     public ITextEditorSkiaRender GetCurrentRender()
     {
-        return this;
+        return RenderManager;
     }
 
     public event EventHandler? RenderRequested;
-
-    public void Render(SKCanvas canvas)
-    {
-        RenderManager.Render(canvas);
-    }
-}
-
-/// <summary>
-/// 文本的 Skia 渲染器
-/// </summary>
-public interface ITextEditorSkiaRender
-{
-    void Render(SKCanvas canvas);
 }
 
 public class SkiaTextEditorPlatformProvider : PlatformProvider