Handle G84 circular expansion hole counts

DrillTapeProcessor.cs

@@ -54,7 +54,7 @@ namespace DrillTools.Integration
 
                         foreach (var hole in toolHoles)
                         {
-                            if (hole.Type == HoleType.Slot)
+                            if (hole.Type == HoleType.Slot || hole.Type == HoleType.CircularExpansion)
                             {
                                 hasSlotHoles = true;
                                 break;
@@ -135,6 +135,12 @@ namespace DrillTools.Integration
                                 string location = $"{startLocation}G85{endLocation}";
                                 locations.Add(location);
                             }
+                            else if (hole.Type == HoleType.CircularExpansion)
+                            {
+                                slotHoles += hole.DrillHitCount;
+                                slotCount++;
+                                locations.Add(hole.OriginalCommand);
+                            }
                         }
                     }
 
@@ -326,6 +332,24 @@ namespace DrillTools.Integration
                             var trimmedLine = line.Trim();
                             if (string.IsNullOrEmpty(trimmedLine)) continue;
 
+                            // 检查是否是圆形扩孔（G84指令）
+                            var circularExpansionPattern = @"X([+-]?\d+\.?\d*)Y([+-]?\d+\.?\d*)G84X([+-]?\d+\.?\d*)";
+                            var circularExpansionMatch = Regex.Match(trimmedLine, circularExpansionPattern);
+
+                            if (circularExpansionMatch.Success)
+                            {
+                                var expansion = SlotHoleCalculator.ParseCircularExpansionFromG84(circularExpansionMatch.Value, tool.Diameter);
+                                holes.Add(new HoleInfo
+                                {
+                                    ToolNumber = tool.Number,
+                                    Type = HoleType.CircularExpansion,
+                                    CircularExpansion = expansion,
+                                    DrillHitCount = SlotHoleCalculator.CalculateCircularExpansionHoleCount(expansion),
+                                    OriginalCommand = trimmedLine
+                                });
+                                continue;
+                            }
+
                             // 检查是否是槽孔（G85指令）
                             var slotPattern = @"X([+-]?\d+\.?\d*)Y([+-]?\d+\.?\d*)G85X([+-]?\d+\.?\d*)Y([+-]?\d+\.?\d*)";
                             var slotMatch = Regex.Match(trimmedLine, slotPattern);
@@ -450,6 +474,9 @@ namespace DrillTools.Integration
         public HoleType Type { get; set; }
         public Point2D Position { get; set; }
         public LineSlot Slot { get; set; }
+        public CircularExpansion CircularExpansion { get; set; }
+        public int DrillHitCount { get; set; }
+        public string OriginalCommand { get; set; } = string.Empty;
     }
 
     /// <summary>
@@ -458,7 +485,8 @@ namespace DrillTools.Integration
     public enum HoleType
     {
         Regular, // 普通圆孔
-        Slot     // 槽孔
+        Slot,    // 槽孔
+        CircularExpansion // 圆形扩孔
     }
 
     /// <summary>

SlotHoleCalculator.cs

@@ -96,6 +96,26 @@ namespace DrillTools
         public double Radius => Math.Sqrt(Math.Pow(StartPoint.X - CenterPoint.X, 2) + Math.Pow(StartPoint.Y - CenterPoint.Y, 2));
     }
 
+    /// <summary>
+    /// 圆形扩孔结构
+    /// </summary>
+    public struct CircularExpansion
+    {
+        public Point2D CenterPoint { get; set; }
+        public double Diameter { get; set; }
+        public double ToolDiameter { get; set; }
+
+        public CircularExpansion(Point2D centerPoint, double diameter, double toolDiameter)
+        {
+            CenterPoint = centerPoint;
+            Diameter = diameter;
+            ToolDiameter = toolDiameter;
+        }
+
+        public double CenterPathDiameter => Math.Max(0, Diameter - ToolDiameter);
+        public double CenterPathLength => Math.PI * CenterPathDiameter;
+    }
+
     /// <summary>
     /// 槽孔钻孔数量计算工具类
     /// 提供与CAM350一致的槽孔孔数计算方法
@@ -153,6 +173,21 @@ namespace DrillTools
             return holeCount;
         }
 
+        /// <summary>
+        /// 计算圆形扩孔的钻孔数量
+        /// </summary>
+        public static int CalculateCircularExpansionHoleCount(CircularExpansion expansion, double tolerance = DEFAULT_TOLERANCE)
+        {
+            if (expansion.CenterPathLength <= 0)
+                return 1;
+
+            double radius = expansion.ToolDiameter / 2.0;
+            double holeCenterDistance = CalculateHoleCenterDistance(radius, tolerance);
+            int holeCount = (int)Math.Ceiling(expansion.CenterPathLength / holeCenterDistance);
+
+            return Math.Max(1, holeCount);
+        }
+
         /// <summary>
         /// 计算线段槽孔的钻孔位置
         /// </summary>
@@ -309,6 +344,30 @@ namespace DrillTools
             throw new ArgumentException($"无效的G85命令格式: {g85Command}");
         }
 
+        /// <summary>
+        /// 从钻带G84命令解析圆形扩孔
+        /// </summary>
+        public static CircularExpansion ParseCircularExpansionFromG84(string g84Command, double toolDiameter)
+        {
+            var pattern = @"X([+-]?\d+\.?\d*)Y([+-]?\d+\.?\d*)G84X([+-]?\d+\.?\d*)";
+            var match = Regex.Match(g84Command, pattern);
+            if (match.Success)
+            {
+                string centerX = match.Groups[1].Value;
+                string centerY = match.Groups[2].Value;
+                string diameter = match.Groups[3].Value;
+
+                Point2D centerPoint = new Point2D(
+                    double.Parse(centerX) / 1000.0,
+                    double.Parse(centerY) / 1000.0,
+                    $"X{centerX}Y{centerY}"
+                );
+
+                return new CircularExpansion(centerPoint, double.Parse(diameter) / 1000.0, toolDiameter);
+            }
+            throw new ArgumentException($"无效的G84命令格式: {g84Command}");
+        }
+
         // 辅助方法
 
         /// <summary>