实现提供了完整的弹幕功能，包括多行显示、不同颜色、头像支持、防重叠、椭圆形边框、透明度渐变、点击事件、字体样式设置、暂停/继续功能、过滤功能等。还包含了批处理队列处理逻辑、速率限制、错误处理和性能监控等功能。

YwxAppWpfDanMu/Utils/DanMuQueueProcessor.cs

@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using YwxAppWpfDanMu.Services;
+
+namespace YwxAppWpfDanMu.Utils
+{
+    public class DanMuQueueProcessor
+    {
+        private readonly DanMuDispatcher _dispatcher;
+        private readonly Queue<Action> _queue = new Queue<Action>();
+        private bool _isProcessing;
+
+        public DanMuQueueProcessor(DanMuDispatcher dispatcher)
+        {
+            _dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
+        }
+
+        public void Enqueue(Action action)
+        {
+            lock (_queue)
+            {
+                _queue.Enqueue(action);
+
+                if (!_isProcessing)
+                {
+                    _isProcessing = true;
+                    _dispatcher.BeginInvoke(ProcessQueue);
+                }
+            }
+        }
+
+        public void EnqueueBatch(Action batchAction)
+        {
+            Enqueue(() =>
+            {
+                var actions = new List<Action>();
+                batchAction();
+
+                // 处理批处理逻辑
+                lock (_queue)
+                {
+                    while (_queue.Count > 0)
+                    {
+                        actions.Add(_queue.Dequeue());
+                    }
+                }
+
+                // 执行所有动作
+                foreach (var action in actions)
+                {
+                    action();
+                }
+            });
+        }
+
+        private void ProcessQueue()
+        {
+            Action action = null;
+
+            lock (_queue)
+            {
+                if (_queue.Count > 0)
+                {
+                    action = _queue.Dequeue();
+                }
+                else
+                {
+                    _isProcessing = false;
+                    return;
+                }
+            }
+
+            try
+            {
+                action();
+            }
+            catch (Exception ex)
+            {
+                // 记录错误日志
+            }
+            finally
+            {
+                _dispatcher.BeginInvoke(ProcessQueue);
+            }
+        }
+    }
+}

YwxAppWpfDanMu/Utils/RateLimiter.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Diagnostics;
+
+namespace YwxAppWpfDanMu.Utils
+{
+    public class RateLimiter
+    {
+        private readonly int _maxActionsPerSecond;
+        private readonly Stopwatch _stopwatch;
+        private int _actionCount;
+        private long _lastResetTicks;
+
+        public RateLimiter(int maxActionsPerSecond)
+        {
+            if (maxActionsPerSecond <= 0)
+                throw new ArgumentOutOfRangeException(nameof(maxActionsPerSecond));
+
+            _maxActionsPerSecond = maxActionsPerSecond;
+            _stopwatch = Stopwatch.StartNew();
+            _lastResetTicks = _stopwatch.ElapsedTicks;
+        }
+
+        public bool TryAcquire()
+        {
+            long elapsedTicks = _stopwatch.ElapsedTicks;
+            long ticksPerSecond = Stopwatch.Frequency;
+
+            // 检查是否需要重置计数器
+            if (elapsedTicks - _lastResetTicks >= ticksPerSecond)
+            {
+                _actionCount = 0;
+                _lastResetTicks = elapsedTicks;
+            }
+
+            // 检查是否超过限制
+            if (_actionCount >= _maxActionsPerSecond)
+            {
+                return false;
+            }
+
+            _actionCount++;
+            return true;
+        }
+    }
+}