增加图形标志位

Cad/FeatureDrivenDrawer.cs

@@ -437,6 +437,14 @@ namespace CadParamPluging.Cad
                 DrawPartContourHalf(ctx, ox, oy, H, outerDiaPrime.Value, innerDiaPrime, heightPrime.Value);
             }
 
+            // === 特征10: 轧制+车加工 特殊引线标注 (HB5936-13) ===
+            // 需满足: 车加工 + 轧制(本方法即为轧制) + 有内孔
+            if (ctx.IsMachined && innerDia.HasValue && innerDia.Value > 0)
+            {
+                // 指向锻件内孔右上角
+                DrawSpecialInnerHoleLeader(ctx, ox, oy, H, innerDia.Value);
+            }
+
             // === 特征9: 硬度符号 ===
             TryDrawHardnessSymbol(ctx, ox + R, oy, H);
         }
@@ -2238,5 +2246,57 @@ namespace CadParamPluging.Cad
         }
 
         #endregion
+        private static void DrawSpecialInnerHoleLeader(DrawingContext ctx, double ox, double oy, double height, double innerDia)
+        {
+            try
+            {
+                // 内孔右侧X坐标 (锻件)
+                double xInner = ox + innerDia / 2.0;
+
+                // 目标Y坐标：锻件内孔右上角向下偏移一点 (引线不应直指角点，而是指在直线上)
+                double yTarget = oy + height - 5.0;
+
+                // 箭头点 (指向内孔竖线)
+                var p1 = new Point3d(xInner, yTarget, 0);
+                // 转折点 (向左上)
+                var p2 = new Point3d(xInner - 12, yTarget + 12, 0);
+                // 终点 (水平向左, 长度约35适配文字宽度 "HB5936-13")
+                var p3 = new Point3d(p2.X - 35, p2.Y, 0);
+
+                // 使用 Leader 实体绘制带箭头的引线
+                var leader = new Leader();
+                leader.SetDatabaseDefaults();
+                leader.AppendVertex(p1);
+                leader.AppendVertex(p2);
+                leader.AppendVertex(p3);
+                leader.HasArrowHead = true;
+                leader.ColorIndex = 7; // 白色
+                leader.Layer = "0";
+
+                ctx.Btr.AppendEntity(leader);
+                ctx.Tr.AddNewlyCreatedDBObject(leader, true);
+
+                // 绘制文字
+                var text = new DBText();
+                text.TextString = "HB5936-13";
+                text.Height = 3.5;
+                text.ColorIndex = 7; // 白色
+                text.Layer = "0";
+                
+                // 文字位置：左对齐，基点为 p3 (线段最左端)
+                // 位于线段上方 (VerticalMode = TextBottom)
+                text.HorizontalMode = TextHorizontalMode.TextLeft;
+                text.VerticalMode = TextVerticalMode.TextBottom;
+                text.AlignmentPoint = new Point3d(p3.X, p3.Y + 1.0, 0);
+                text.Position = text.AlignmentPoint;
+
+                ctx.Btr.AppendEntity(text);
+                ctx.Tr.AddNewlyCreatedDBObject(text, true);
+            }
+            catch
+            {
+                // ignore
+            }
+        }
     }
 }