251 lines
11 KiB
C#
251 lines
11 KiB
C#
using System;
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using Autodesk.AutoCAD.DatabaseServices;
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using Autodesk.AutoCAD.Geometry;
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using CadParamPluging.Common;
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namespace CadParamPluging.Cad
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{
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/// <summary>
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/// 半剖视图绘制器 - 已重构为特征驱动模式
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/// 新的绘制逻辑在 FeatureDrivenDrawer 中实现
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/// </summary>
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public static class HalfSectionDrawer
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{
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/// <summary>
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/// 绘制图形（特征驱动模式）
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/// </summary>
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/// <param name="ctx">CAD上下文</param>
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/// <param name="bag">参数包 - 根据存在的参数动态绘制对应特征</param>
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/// <param name="deliveryStatus">交付状态（毛料态/车加工态）</param>
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/// <param name="structuralFeature">结构特征（环形/饼盘/轴杆/方体）</param>
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/// <param name="specialCondition">特殊条件（中心冲孔/有圆头等）</param>
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/// <param name="processMethod">工艺方法（轧制/自由锻）</param>
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/// <param name="center">绘图中心点</param>
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/// <param name="scaleFactor">缩放比例（1.0表示不缩放）</param>
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public static void Draw(CadContext ctx, ParamBag bag, string deliveryStatus, string structuralFeature,
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string specialCondition = null, string processMethod = null, Point3d? center = null, double scaleFactor = 1.0)
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{
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// 委托给特征驱动绘图引擎
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FeatureDrivenDrawer.Draw(ctx, bag, deliveryStatus, structuralFeature, specialCondition, processMethod, center, scaleFactor);
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}
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/// <summary>
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/// 兼容旧接口
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/// </summary>
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[Obsolete("请使用新的 Draw 方法，支持 specialCondition 和 processMethod 参数")]
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public static void DrawLegacy(CadContext ctx, ParamBag bag, string deliveryStatus, string structuralFeature, Point3d? center = null)
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{
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Draw(ctx, bag, deliveryStatus, structuralFeature, null, null, center);
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}
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#region 旧代码保留供参考（已废弃）
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private static bool IsRing(string feature)
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{
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return !string.IsNullOrWhiteSpace(feature)
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&& feature.IndexOf("环形", StringComparison.OrdinalIgnoreCase) >= 0;
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}
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private static bool IsDisk(string feature)
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{
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return !string.IsNullOrWhiteSpace(feature)
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&& (feature.IndexOf("饼盘", StringComparison.OrdinalIgnoreCase) >= 0
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|| feature.IndexOf("饼", StringComparison.OrdinalIgnoreCase) >= 0
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|| feature.IndexOf("盘", StringComparison.OrdinalIgnoreCase) >= 0);
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}
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private static bool IsShaft(string feature)
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{
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return !string.IsNullOrWhiteSpace(feature)
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&& (feature.IndexOf("轴杆", StringComparison.OrdinalIgnoreCase) >= 0
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|| feature.IndexOf("轴", StringComparison.OrdinalIgnoreCase) >= 0
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|| feature.IndexOf("杆", StringComparison.OrdinalIgnoreCase) >= 0);
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}
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private static bool IsBlock(string feature)
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{
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return !string.IsNullOrWhiteSpace(feature)
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&& feature.IndexOf("方体", StringComparison.OrdinalIgnoreCase) >= 0;
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}
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private static bool IsMachined(string deliveryStatus)
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{
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return !string.IsNullOrWhiteSpace(deliveryStatus)
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&& deliveryStatus.IndexOf("车加工", StringComparison.OrdinalIgnoreCase) >= 0;
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}
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[Obsolete("已迁移到 FeatureDrivenDrawer")]
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private static void DrawRingLegacy(CadContext ctx, ParamBag bag, string deliveryStatus, Point3d center)
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{
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var db = ctx.Database;
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var tr = ctx.Transaction;
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var btr = (BlockTableRecord)tr.GetObject(db.CurrentSpaceId, OpenMode.ForWrite);
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// 读取尺寸
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double outerDia = bag.GetDouble("OuterDiameter1");
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double innerDia = bag.GetDouble("InnerDiameter2");
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double height = bag.GetDouble("Height1");
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if (outerDia <= 0 || height <= 0)
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{
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return;
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}
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// 计算偏移量，使图形居中于 center
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// 图形原本以 (0,0) 为左端中心，宽度为 height，需要偏移使其居中
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double ox = center.X - height / 2.0;
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double oy = center.Y;
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// 绘制水平圆柱 (侧视图)
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// 中心线 (X轴) - 已移除，以匹配参考图样式
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// 1. 锻件外轮廓
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double R = outerDia / 2.0;
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var polyForging = new Polyline();
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polyForging.AddVertexAt(0, new Point2d(ox + 0, oy - R), 0, 0, 0);
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polyForging.AddVertexAt(1, new Point2d(ox + height, oy - R), 0, 0, 0);
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polyForging.AddVertexAt(2, new Point2d(ox + height, oy + R), 0, 0, 0);
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polyForging.AddVertexAt(3, new Point2d(ox + 0, oy + R), 0, 0, 0);
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polyForging.Closed = true;
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polyForging.ColorIndex = 7; // 白色
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btr.AppendEntity(polyForging);
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tr.AddNewlyCreatedDBObject(polyForging, true);
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// 3. 内孔轮廓 (虚线)
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if (innerDia > 0)
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{
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double r = innerDia / 2.0;
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TryLoadLinetype(db, tr, "DASHED");
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var lineHiddenTop = new Line(new Point3d(ox + 0, oy + r, 0), new Point3d(ox + height, oy + r, 0));
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lineHiddenTop.ColorIndex = 2; // 黄色
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lineHiddenTop.Linetype = "DASHED";
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btr.AppendEntity(lineHiddenTop);
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tr.AddNewlyCreatedDBObject(lineHiddenTop, true);
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var lineHiddenBot = new Line(new Point3d(ox + 0, oy - r, 0), new Point3d(ox + height, oy - r, 0));
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lineHiddenBot.ColorIndex = 2;
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lineHiddenBot.Linetype = "DASHED";
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btr.AppendEntity(lineHiddenBot);
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tr.AddNewlyCreatedDBObject(lineHiddenBot, true);
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// 内孔标注
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AddLinearDim(db, tr, btr, new Point3d(ox + 0, oy + r, 0), new Point3d(ox + 0, oy - r, 0),
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new Point3d(ox + height + 15, oy, 0), 90, $"%%c{innerDia}");
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}
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// 外径标注
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AddLinearDim(db, tr, btr, new Point3d(ox + 0, oy + R, 0), new Point3d(ox + 0, oy - R, 0),
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new Point3d(ox - 15, oy, 0), 90, $"%%c{outerDia}");
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// 长度标注
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AddLinearDim(db, tr, btr, new Point3d(ox + 0, oy - R, 0), new Point3d(ox + height, oy - R, 0),
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new Point3d(ox + height / 2, oy - R - 15, 0), 0, $"{height}min");
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// 4. 车加工零件 (填充)
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if (IsMachined(deliveryStatus))
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{
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double outerDiaPrime = bag.GetDouble("OuterDiameter1Prime");
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double innerDiaPrime = bag.GetDouble("InnerDiameter2Prime");
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double heightPrime = bag.GetDouble("Height1Prime");
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if (outerDiaPrime > 0 && heightPrime > 0)
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{
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double offsetX = (height - heightPrime) / 2.0;
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double Rp = outerDiaPrime / 2.0;
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// 零件轮廓
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var polyPart = new Polyline();
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polyPart.AddVertexAt(0, new Point2d(ox + offsetX, oy - Rp), 0, 0, 0);
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polyPart.AddVertexAt(1, new Point2d(ox + offsetX + heightPrime, oy - Rp), 0, 0, 0);
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polyPart.AddVertexAt(2, new Point2d(ox + offsetX + heightPrime, oy + Rp), 0, 0, 0);
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polyPart.AddVertexAt(3, new Point2d(ox + offsetX, oy + Rp), 0, 0, 0);
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polyPart.Closed = true;
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polyPart.ColorIndex = 7;
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btr.AppendEntity(polyPart);
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tr.AddNewlyCreatedDBObject(polyPart, true);
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// 填充
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try
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{
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var hatch = new Hatch();
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hatch.SetDatabaseDefaults();
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hatch.Normal = new Vector3d(0, 0, 1);
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hatch.Elevation = 0.0;
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btr.AppendEntity(hatch);
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tr.AddNewlyCreatedDBObject(hatch, true);
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hatch.SetHatchPattern(HatchPatternType.PreDefined, "ANSI31");
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hatch.PatternScale = 10;
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hatch.PatternAngle = 0;
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hatch.Associative = false;
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hatch.ColorIndex = 4; // 青色
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hatch.LineWeight = LineWeight.LineWeight025; // 0.25mm线宽
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var ids = new ObjectIdCollection();
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ids.Add(polyPart.ObjectId);
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hatch.AppendLoop(HatchLoopTypes.External, ids);
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hatch.EvaluateHatch(true);
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}
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catch
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{
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// 忽略
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}
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// 可以在这里添加零件尺寸标注
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AddLinearDim(db, tr, btr, new Point3d(ox + offsetX, oy + Rp, 0), new Point3d(ox + offsetX, oy - Rp, 0),
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new Point3d(ox + offsetX - 5, oy, 0), 90, $"%%c{outerDiaPrime}");
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AddLinearDim(db, tr, btr, new Point3d(ox + offsetX, oy - Rp, 0), new Point3d(ox + offsetX + heightPrime, oy - Rp, 0),
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new Point3d(ox + offsetX + heightPrime / 2, oy - Rp - 10, 0), 0, $"{heightPrime}");
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}
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}
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}
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private static void AddLinearDim(Database db, Transaction tr, BlockTableRecord btr,
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Point3d pt1, Point3d pt2, Point3d dimLinePt, double rotationDeg, string textOverride)
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{
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try
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{
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double rotRad = rotationDeg * Math.PI / 180.0;
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var dim = new RotatedDimension(rotRad, pt1, pt2, dimLinePt, textOverride, db.Dimstyle);
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dim.ColorIndex = 4; // 青色
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btr.AppendEntity(dim);
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tr.AddNewlyCreatedDBObject(dim, true);
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}
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catch
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{
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// 忽略标注错误
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}
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}
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private static void TryLoadLinetype(Database db, Transaction tr, string linetypeName)
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{
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try
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{
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var linetypeTbl = (LinetypeTable)tr.GetObject(db.LinetypeTableId, OpenMode.ForRead);
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if (!linetypeTbl.Has(linetypeName))
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{
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try
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{
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db.LoadLineTypeFile(linetypeName, "acad.lin");
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}
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catch
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{
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// 忽略
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}
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}
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}
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catch
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{
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// 忽略
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}
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}
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#endregion
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}
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}
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