修复部分资源泄漏

SpineViewer/Controls/SpinePreviewer.cs

@@ -120,7 +120,7 @@ namespace SpineViewer.Controls
                 RenderWindow.Size = new((uint)sizeX, (uint)sizeY);
 
                 // 将 view 的大小设置成于 resolution 相同的大小, 其余属性都不变
-                var view = RenderWindow.GetView();
+                using var view = RenderWindow.GetView();
                 var signX = Math.Sign(view.Size.X);
                 var signY = Math.Sign(view.Size.Y);
                 view.Size = new(value.Width * signX, value.Height * signY);
@@ -140,12 +140,13 @@ namespace SpineViewer.Controls
         {
             get
             {
-                var center = RenderWindow.GetView().Center;
+                using var view = RenderWindow.GetView();
+                var center = view.Center;
                 return new(center.X, center.Y);
             }
             set
             {
-                var view = RenderWindow.GetView();
+                using var view = RenderWindow.GetView();
                 view.Center = new(value.X, value.Y);
                 RenderWindow.SetView(view);
             }
@@ -158,11 +159,15 @@ namespace SpineViewer.Controls
         [Browsable(false)]
         public float Zoom
         {
-            get => resolution.Width / Math.Abs(RenderWindow.GetView().Size.X);
+            get
+            {
+                using var view = RenderWindow.GetView();
+                return resolution.Width / Math.Abs(view.Size.X);
+            }
             set
             {
                 value = Math.Clamp(value, ZOOM_MIN, ZOOM_MAX);
-                var view = RenderWindow.GetView();
+                using var view = RenderWindow.GetView();
                 var signX = Math.Sign(view.Size.X);
                 var signY = Math.Sign(view.Size.Y);
                 view.Size = new(resolution.Width / value * signX, resolution.Height / value * signY);
@@ -177,10 +182,14 @@ namespace SpineViewer.Controls
         [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
         public float Rotation
         {
-            get => RenderWindow.GetView().Rotation;
+            get
+            {
+                using var view = RenderWindow.GetView();
+                return view.Rotation;
+            }
             set
             {
-                var view = RenderWindow.GetView();
+                using var view = RenderWindow.GetView();
                 view.Rotation = value;
                 RenderWindow.SetView(view);
             }
@@ -193,10 +202,14 @@ namespace SpineViewer.Controls
         [Browsable(false)]
         public bool FlipX
         {
-            get => RenderWindow.GetView().Size.X < 0;
+            get
+            {
+                using var view = RenderWindow.GetView();
+                return view.Size.X < 0;
+            }
             set
             {
-                var view = RenderWindow.GetView();
+                using var view = RenderWindow.GetView();
                 var size = view.Size;
                 if (size.X > 0 && value || size.X < 0 && !value)
                     size.X *= -1;
@@ -212,10 +225,14 @@ namespace SpineViewer.Controls
         [Browsable(false)]
         public bool FlipY
         {
-            get => RenderWindow.GetView().Size.Y < 0;
+            get
+            {
+                using var view = RenderWindow.GetView();
+                return view.Size.Y < 0;
+            }
             set
             {
-                var view = RenderWindow.GetView();
+                using var view = RenderWindow.GetView();
                 var size = view.Size;
                 if (size.Y > 0 && value || size.Y < 0 && !value)
                     size.Y *= -1;

SpineViewer/Exporter/ExportArgs.cs

@@ -8,13 +8,14 @@ using System.Linq;
 using System.Reflection;
 using System.Text;
 using System.Threading.Tasks;
+using static System.Windows.Forms.VisualStyles.VisualStyleElement.StartPanel;
 
 namespace SpineViewer.Exporter
 {
     /// <summary>
     /// 导出参数基类
     /// </summary>
-    public abstract class ExportArgs : ImplementationResolver<ExportArgs, ExportImplementationAttribute, ExportType>
+    public abstract class ExportArgs : ImplementationResolver<ExportArgs, ExportImplementationAttribute, ExportType>, IDisposable
     {
         /// <summary>
         /// 创建指定类型导出参数
@@ -34,6 +35,10 @@ namespace SpineViewer.Exporter
             RenderSelectedOnly = renderSelectedOnly;
         }
 
+        ~ExportArgs() { Dispose(false); }
+        public void Dispose() { Dispose(true); GC.SuppressFinalize(this); }
+        protected virtual void Dispose(bool disposing) { View?.Dispose(); }
+
         /// <summary>
         /// 输出文件夹
         /// </summary>

SpineViewer/Spine/Spine.cs

@@ -81,14 +81,14 @@ namespace SpineViewer.Spine
             // 除此之外, 似乎还和 tex 的 Dispose 有关
             // 如果不对 tex 进行 Dispose, 那么不管是否 Draw 都正常不会死锁
             var tex = new SFML.Graphics.RenderTexture(PREVIEW_WIDTH, PREVIEW_HEIGHT);
-            tex.SetView(bounds.GetView(PREVIEW_WIDTH, PREVIEW_HEIGHT));
+            using var view = bounds.GetView(PREVIEW_WIDTH, PREVIEW_HEIGHT);
+            tex.SetView(view);
             tex.Clear(SFML.Graphics.Color.Transparent);
             tex.Draw(this);
             tex.Display();
             Preview = tex.Texture.CopyToBitmap();
 
             // 取最后一个作为初始, 尽可能去显示非默认的内容
-            //skin = SkinNames.Last();
             setAnimation(0, AnimationNames.Last());
 
             return this;
@@ -320,7 +320,7 @@ namespace SpineViewer.Spine
         private void reloadSkins()
         {
             clearSkin();
-            foreach (var s in loadedSkins) addSkin(s);
+            foreach (var s in loadedSkins.Distinct()) addSkin(s);
             update(0);
         }