482 lines
22 KiB
C#
482 lines
22 KiB
C#
using System;
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using System.Collections.Generic;
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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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public static class ShaftRawFreeForgeRoundShaftDrawer
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{
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public static void Draw(CadContext ctx, ParamBag bag, Point3d center, double scaleFactor = 1.0)
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{
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if (ctx == null) throw new ArgumentNullException(nameof(ctx));
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if (bag == null) throw new ArgumentNullException(nameof(bag));
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var effectiveBag = scaleFactor < 1.0 ? ScaleParamBag(bag, scaleFactor) : bag;
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var db = ctx.Database;
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var tr = ctx.Transaction;
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var prevDb = HostApplicationServices.WorkingDatabase;
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HostApplicationServices.WorkingDatabase = db;
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BlockTableRecord btr;
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try
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{
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var bt = (BlockTable)tr.GetObject(db.BlockTableId, OpenMode.ForRead);
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btr = (BlockTableRecord)tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);
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}
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finally
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{
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HostApplicationServices.WorkingDatabase = prevDb;
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}
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var context = new FeatureDrivenDrawer.DrawingContext
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{
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Ctx = ctx,
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Bag = effectiveBag,
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OriginalBag = bag,
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Center = center,
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DeliveryStatus = "毛料态",
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StructuralFeature = "轴杆",
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SpecialCondition = "圆轴",
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ProcessMethod = "自由锻",
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Btr = btr,
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Style = new DrawingStyleManager(db, tr)
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};
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DrawCore(context);
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}
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private static void DrawCore(FeatureDrivenDrawer.DrawingContext ctx)
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{
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var bag = ctx.Bag;
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var dia = bag.GetDoubleOrNull(FeatureDrivenDrawer.KeyDiameter);
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var len = bag.GetDoubleOrNull(FeatureDrivenDrawer.KeyLength);
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if (!dia.HasValue || dia.Value <= 0 || !len.HasValue || len.Value <= 0)
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{
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return;
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}
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// 逻辑要求：直径是宽度，长度是高度
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double W = dia.Value;
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double H = len.Value;
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// 获取原始值用于判断断线（防止缩放干扰）
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var originalDia = ctx.OriginalBag?.GetDoubleOrNull(FeatureDrivenDrawer.KeyDiameter);
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double originalW = originalDia.HasValue ? originalDia.Value : W;
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double ox = ctx.Center.X - W / 2.0;
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double oy = ctx.Center.Y - H / 2.0;
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var filletRParam = bag.GetDoubleOrNull(FeatureDrivenDrawer.KeyShaftFilletRadiusMax);
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double filletR = filletRParam.HasValue && filletRParam.Value > 0 ? filletRParam.Value : 0;
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double maxR = Math.Min(W / 2.0, H / 2.0);
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if (filletR > maxR) filletR = maxR;
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// 判断是否需要断线
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bool needBreakLines = originalW > 150;
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const double lineSpacing = 3.5;
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// 1. 绘制主体轮廓 (矩形 + 圆角) - 保持原来的白色边框
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double xBreak = ox + W / 4.0;
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// 1. 绘制主体轮廓 (矩形 + 圆角) - 保持原来的白色边框
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if (needBreakLines)
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{
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DrawRectWithBreak(ctx, ox, oy, W, H, filletR, xBreak, lineSpacing);
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}
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else
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{
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DrawRectWithFillets(ctx, ox, oy, W, H, filletR, DrawingStyleManager.Role.OutlineBold);
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}
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// 2. 绘制左右两端的弧线（向外凸出）
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// 弧高设为 H/5（高度的1/5，确保弧高小于半弦长）
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double arcHeight = H / 5.0;
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DrawEndArcs(ctx, ox, oy, W, H, arcHeight);
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// 3. 绘制中心线 (横向，在中间位置)
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DrawHorizontalCenterLine(ctx, ctx.Center.Y, ox, ox + W, needBreakLines, xBreak, lineSpacing);
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// 4. 绘制断线 (如果需要)
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if (needBreakLines)
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{
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DrawBreakLines(ctx, ox, oy, W, H);
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}
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// 3. 尺寸标注
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// 3.1 直径标注 (底部)
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{
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var val = ctx.OriginalBag?.GetDoubleOrNull(FeatureDrivenDrawer.KeyDiameter) ?? W;
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var str = ctx.OriginalBag?.GetString(FeatureDrivenDrawer.KeyDiameter);
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var tolPlus = ctx.OriginalBag?.GetDoubleOrNull(FeatureDrivenDrawer.KeyDiameterTolPlus);
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var tolMinus = ctx.OriginalBag?.GetDoubleOrNull(FeatureDrivenDrawer.KeyDiameterTolMinus);
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var tolPlusStr = ctx.OriginalBag?.GetString(FeatureDrivenDrawer.KeyDiameterTolPlus);
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var tolMinusStr = ctx.OriginalBag?.GetString(FeatureDrivenDrawer.KeyDiameterTolMinus);
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// 直径加上 %%c 符号
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var dimText = "%%c" + FeatureDrivenDrawer.BuildDimensionText(FeatureDrivenDrawer.FormatDimNumber(val, str), tolPlus, tolMinus, tolPlusStr, tolMinusStr);
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var valPrime = ctx.OriginalBag?.GetDoubleOrNull(FeatureDrivenDrawer.KeyDiameterPrime);
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if (valPrime.HasValue && valPrime.Value > 0)
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{
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dimText += @"\X(%%c" + FeatureDrivenDrawer.FormatDimNumber(valPrime.Value) + ")";
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}
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double dimY = oy - 25;
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double dimOriginY = oy + filletR;
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FeatureDrivenDrawer.AddLinearDim(ctx, new Point3d(ox, dimOriginY, 0), new Point3d(ox + W, dimOriginY, 0), new Point3d(ctx.Center.X, dimY, 0), 0, dimText);
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}
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// 3.2 长度标注 (右侧)
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{
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var val = ctx.OriginalBag?.GetDoubleOrNull(FeatureDrivenDrawer.KeyLength) ?? H;
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var str = ctx.OriginalBag?.GetString(FeatureDrivenDrawer.KeyLength);
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var tolPlus = ctx.OriginalBag?.GetDoubleOrNull(FeatureDrivenDrawer.KeyLengthTolPlus);
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var tolMinus = ctx.OriginalBag?.GetDoubleOrNull(FeatureDrivenDrawer.KeyLengthTolMinus);
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var tolPlusStr = ctx.OriginalBag?.GetString(FeatureDrivenDrawer.KeyLengthTolPlus);
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var tolMinusStr = ctx.OriginalBag?.GetString(FeatureDrivenDrawer.KeyLengthTolMinus);
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var dimText = FeatureDrivenDrawer.BuildDimensionText(FeatureDrivenDrawer.FormatDimNumber(val, str), tolPlus, tolMinus, tolPlusStr, tolMinusStr);
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var valPrime = ctx.OriginalBag?.GetDoubleOrNull(FeatureDrivenDrawer.KeyLengthPrime);
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if (valPrime.HasValue && valPrime.Value > 0)
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{
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dimText += @"\X(" + FeatureDrivenDrawer.FormatDimNumber(valPrime.Value) + ")";
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}
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double dimX = ox + W + 20;
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double dimOriginX = ox + W - filletR;
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FeatureDrivenDrawer.AddLinearDim(ctx, new Point3d(dimOriginX, oy, 0), new Point3d(dimOriginX, oy + H, 0), new Point3d(dimX, ctx.Center.Y, 0), 90, dimText);
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}
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// 4. 硬度和标刻
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var hardnessVal = bag.GetString(FeatureDrivenDrawer.KeyHardness);
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if (!string.IsNullOrWhiteSpace(hardnessVal))
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{
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// 硬度放在底部中心位置
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double xStart = ctx.Center.X;
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double yStart = oy;
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FeatureDrivenDrawer.DrawHardnessSymbol(ctx, xStart, yStart);
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}
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var markingText = bag.GetString(FeatureDrivenDrawer.KeyMarkingContent);
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if (!string.IsNullOrWhiteSpace(markingText))
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{
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// 标刻引线指向顶部中心
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double xTarget = ctx.Center.X;
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double yTarget = oy + H;
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FeatureDrivenDrawer.DrawSpecialHBLeaderToTop(ctx, xTarget, yTarget, markingText);
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}
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// 5. 零件轮廓 (Prime)
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// 逻辑要求：零件参数也遵循 直径=宽度，长度=高度
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var diaPrime = bag.GetDoubleOrNull(FeatureDrivenDrawer.KeyDiameterPrime);
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var lenPrime = bag.GetDoubleOrNull(FeatureDrivenDrawer.KeyLengthPrime);
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if (diaPrime.HasValue && diaPrime.Value > 0 && lenPrime.HasValue && lenPrime.Value > 0)
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{
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double pW = diaPrime.Value; // Diameter -> Width
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double pH = lenPrime.Value; // Length -> Height
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double pOx = ctx.Center.X - pW / 2.0;
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double pOy = ctx.Center.Y - pH / 2.0;
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if (needBreakLines)
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{
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// 使用与锻件相同的断线X坐标和间距
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// double xBreak = ox + W / 4.0; // variable is already declared in outer scope
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DrawRectOutlineWithBreak(ctx, pOx, pOy, pW, pH, xBreak, lineSpacing, DrawingStyleManager.Role.PartContour);
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}
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else
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{
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DrawRectOutline(ctx, pOx, pOy, pW, pH, DrawingStyleManager.Role.PartContour);
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}
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}
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}
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private static void DrawRectWithFillets(FeatureDrivenDrawer.DrawingContext ctx, double x, double y, double w, double h, double r, DrawingStyleManager.Role role = DrawingStyleManager.Role.OutlineBold)
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{
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var poly = CreateRectPoly(x, y, w, h, r);
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ctx.Style?.Apply(poly, role);
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ctx.Btr.AppendEntity(poly);
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ctx.Tr.AddNewlyCreatedDBObject(poly, true);
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}
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private static Polyline CreateRectPoly(double x, double y, double w, double h, double r)
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{
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var poly = new Polyline();
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if (r < 0.01)
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{
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poly.AddVertexAt(0, new Point2d(x, y), 0, 0, 0);
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poly.AddVertexAt(1, new Point2d(x + w, y), 0, 0, 0);
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poly.AddVertexAt(2, new Point2d(x + w, y + h), 0, 0, 0);
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poly.AddVertexAt(3, new Point2d(x, y + h), 0, 0, 0);
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}
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else
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{
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var bulge = Math.Tan(Math.PI / 8.0);
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poly.AddVertexAt(0, new Point2d(x + r, y), 0, 0, 0);
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poly.AddVertexAt(1, new Point2d(x + w - r, y), bulge, 0, 0);
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poly.AddVertexAt(2, new Point2d(x + w, y + r), 0, 0, 0);
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poly.AddVertexAt(3, new Point2d(x + w, y + h - r), bulge, 0, 0);
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poly.AddVertexAt(4, new Point2d(x + w - r, y + h), 0, 0, 0);
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poly.AddVertexAt(5, new Point2d(x + r, y + h), bulge, 0, 0);
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poly.AddVertexAt(6, new Point2d(x, y + h - r), 0, 0, 0);
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poly.AddVertexAt(7, new Point2d(x, y + r), bulge, 0, 0);
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}
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poly.Closed = true;
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return poly;
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}
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private static void DrawRectOutline(FeatureDrivenDrawer.DrawingContext ctx, double x, double y, double w, double h, DrawingStyleManager.Role role)
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{
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var poly = new Polyline();
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poly.AddVertexAt(0, new Point2d(x, y), 0, 0, 0);
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poly.AddVertexAt(1, new Point2d(x + w, y), 0, 0, 0);
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poly.AddVertexAt(2, new Point2d(x + w, y + h), 0, 0, 0);
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poly.AddVertexAt(3, new Point2d(x, y + h), 0, 0, 0);
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poly.Closed = true;
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ctx.Style?.Apply(poly, role);
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ctx.Btr.AppendEntity(poly);
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ctx.Tr.AddNewlyCreatedDBObject(poly, true);
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}
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/// <summary>
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/// 绘制左右两端的弧线（向外凸出）
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/// 使用Polyline的bulge（凸度）值绘制，确保端点精确对齐
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/// </summary>
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private static void DrawEndArcs(FeatureDrivenDrawer.DrawingContext ctx, double ox, double oy, double W, double H, double arcHeight)
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{
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try
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{
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// 弧线端点：
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// 左侧弧线：从(ox, oy+H)到(ox, oy)，向左凸出arcHeight
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// 右侧弧线：从(ox+W, oy)到(ox+W, oy+H)，向右凸出arcHeight
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// 计算凸度 bulge
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// bulge = tan(theta/4)，其中 theta 是圆弧对应的圆心角
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// 或者使用 bulge = sagitta / (chordLength / 2) 的近似公式
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// 更精确的公式：bulge = 2 * sagitta / chordLength（当弧线较小时）
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double chordLength = H;
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double sagitta = arcHeight;
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// 计算凸度：bulge = 2 * 拱高 / 弦长
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// 注意：正值表示向左/上凸出（逆时针方向），负值表示向右/下凸出（顺时针方向）
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double bulge = (2.0 * sagitta) / chordLength;
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// 左侧弧线：从(ox, oy+H)到(ox, oy)，向左凸出（正凸度）
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var leftArc = new Polyline();
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leftArc.AddVertexAt(0, new Point2d(ox, oy + H), bulge, 0, 0); // 起点（上端），设置凸度
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leftArc.AddVertexAt(1, new Point2d(ox, oy), 0, 0, 0); // 终点（下端）
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ctx.Style?.Apply(leftArc, DrawingStyleManager.Role.OutlineBold);
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ctx.Btr.AppendEntity(leftArc);
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ctx.Tr.AddNewlyCreatedDBObject(leftArc, true);
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// 右侧弧线：从(ox+W, oy)到(ox+W, oy+H)，向右凸出（正凸度）
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var rightArc = new Polyline();
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rightArc.AddVertexAt(0, new Point2d(ox + W, oy), bulge, 0, 0); // 起点（下端），设置凸度
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rightArc.AddVertexAt(1, new Point2d(ox + W, oy + H), 0, 0, 0); // 终点（上端）
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ctx.Style?.Apply(rightArc, DrawingStyleManager.Role.OutlineBold);
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ctx.Btr.AppendEntity(rightArc);
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ctx.Tr.AddNewlyCreatedDBObject(rightArc, true);
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}
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catch
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{
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// ignore
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}
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}
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private static void DrawHorizontalCenterLine(FeatureDrivenDrawer.DrawingContext ctx, double centerY, double xLeft, double xRight, bool hasBreak = false, double xBreak = 0, double breakWidth = 0)
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{
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const double extend = 5.0;
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if (!hasBreak)
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{
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var line = new Line(new Point3d(xLeft - extend, centerY, 0), new Point3d(xRight + extend, centerY, 0));
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ctx.Style?.Apply(line, DrawingStyleManager.Role.Centerline);
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ctx.Btr.AppendEntity(line);
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ctx.Tr.AddNewlyCreatedDBObject(line, true);
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}
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else
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{
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// Left segment
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var line1 = new Line(new Point3d(xLeft - extend, centerY, 0), new Point3d(xBreak, centerY, 0));
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ctx.Style?.Apply(line1, DrawingStyleManager.Role.Centerline);
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ctx.Btr.AppendEntity(line1);
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ctx.Tr.AddNewlyCreatedDBObject(line1, true);
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// Right segment
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var line2 = new Line(new Point3d(xBreak + breakWidth, centerY, 0), new Point3d(xRight + extend, centerY, 0));
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ctx.Style?.Apply(line2, DrawingStyleManager.Role.Centerline);
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ctx.Btr.AppendEntity(line2);
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ctx.Tr.AddNewlyCreatedDBObject(line2, true);
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}
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}
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private static ParamBag ScaleParamBag(ParamBag original, double scaleFactor)
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{
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if (original == null) return null;
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if (Math.Abs(scaleFactor - 1.0) < 0.000001) return original;
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var newBag = new ParamBag();
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foreach(var k in original.GetKeys())
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{
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var v = original.GetString(k);
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// 缩放由于几何尺寸相关的参数
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if (k.Contains("Diameter") || k.Contains("Length") || k.Contains("Radius") || k.Contains("Prime") || k.Contains("ShaftFillet"))
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{
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if (double.TryParse(v, out var d))
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{
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newBag.Set(k, (d * scaleFactor).ToString("0.###"));
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}
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else
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{
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newBag.Set(k, v);
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}
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}
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else
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{
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newBag.Set(k, v);
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}
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}
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return newBag;
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}
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/// <summary>
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/// 绘制断线（使用 BreakLine 样式：白色 PHANTOM 双点划线）
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/// </summary>
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private static void DrawBreakLines(FeatureDrivenDrawer.DrawingContext ctx, double ox, double oy, double width, double height)
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{
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const double lineSpacing = 3.5;
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const double extend = 5.0;
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double xBreak = ox + width / 4.0;
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double y0 = oy - extend;
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double y1 = oy + height + extend;
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var line1 = new Line(new Point3d(xBreak, y0, 0), new Point3d(xBreak, y1, 0));
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ctx.Style?.Apply(line1, DrawingStyleManager.Role.BreakLine);
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ctx.Btr.AppendEntity(line1);
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ctx.Tr.AddNewlyCreatedDBObject(line1, true);
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var line2 = new Line(new Point3d(xBreak + lineSpacing, y0, 0), new Point3d(xBreak + lineSpacing, y1, 0));
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ctx.Style?.Apply(line2, DrawingStyleManager.Role.BreakLine);
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ctx.Btr.AppendEntity(line2);
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ctx.Tr.AddNewlyCreatedDBObject(line2, true);
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}
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/// <summary>
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/// 绘制带断口的矩形轮廓（在断线位置打断上下横线）
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/// </summary>
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private static void DrawRectWithBreak(FeatureDrivenDrawer.DrawingContext ctx, double x, double y, double w, double h, double r, double xBreak, double breakWidth)
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{
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// 左边竖线
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var leftLine = new Line(new Point3d(x, y, 0), new Point3d(x, y + h, 0));
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ctx.Style?.Apply(leftLine, DrawingStyleManager.Role.OutlineBold);
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ctx.Btr.AppendEntity(leftLine);
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ctx.Tr.AddNewlyCreatedDBObject(leftLine, true);
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// 右边竖线
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var rightLine = new Line(new Point3d(x + w, y, 0), new Point3d(x + w, y + h, 0));
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ctx.Style?.Apply(rightLine, DrawingStyleManager.Role.OutlineBold);
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ctx.Btr.AppendEntity(rightLine);
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ctx.Tr.AddNewlyCreatedDBObject(rightLine, true);
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// 底边：断开 [xBreak, xBreak + breakWidth]
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// 左段
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var bottomLeft = new Line(new Point3d(x, y, 0), new Point3d(xBreak, y, 0));
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ctx.Style?.Apply(bottomLeft, DrawingStyleManager.Role.OutlineBold);
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ctx.Btr.AppendEntity(bottomLeft);
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ctx.Tr.AddNewlyCreatedDBObject(bottomLeft, true);
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// 右段
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var bottomRight = new Line(new Point3d(xBreak + breakWidth, y, 0), new Point3d(x + w, y, 0));
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ctx.Style?.Apply(bottomRight, DrawingStyleManager.Role.OutlineBold);
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||
ctx.Btr.AppendEntity(bottomRight);
|
||
ctx.Tr.AddNewlyCreatedDBObject(bottomRight, true);
|
||
|
||
// 顶边：断开 [xBreak, xBreak + breakWidth]
|
||
// 左段
|
||
var topLeft = new Line(new Point3d(x, y + h, 0), new Point3d(xBreak, y + h, 0));
|
||
ctx.Style?.Apply(topLeft, DrawingStyleManager.Role.OutlineBold);
|
||
ctx.Btr.AppendEntity(topLeft);
|
||
ctx.Tr.AddNewlyCreatedDBObject(topLeft, true);
|
||
// 右段
|
||
var topRight = new Line(new Point3d(xBreak + breakWidth, y + h, 0), new Point3d(x + w, y + h, 0));
|
||
ctx.Style?.Apply(topRight, DrawingStyleManager.Role.OutlineBold);
|
||
ctx.Btr.AppendEntity(topRight);
|
||
ctx.Tr.AddNewlyCreatedDBObject(topRight, true);
|
||
}
|
||
|
||
/// <summary>
|
||
/// 绘制带断口的零件轮廓（在断线位置打断上下横线）
|
||
/// 支持自定义 Role (通常为 PartContour)
|
||
/// </summary>
|
||
private static void DrawRectOutlineWithBreak(FeatureDrivenDrawer.DrawingContext ctx, double x, double y, double w, double h, double xBreak, double breakWidth, DrawingStyleManager.Role role)
|
||
{
|
||
// 左边竖线
|
||
var leftLine = new Line(new Point3d(x, y, 0), new Point3d(x, y + h, 0));
|
||
ctx.Style?.Apply(leftLine, role);
|
||
ctx.Btr.AppendEntity(leftLine);
|
||
ctx.Tr.AddNewlyCreatedDBObject(leftLine, true);
|
||
|
||
// 右边竖线
|
||
var rightLine = new Line(new Point3d(x + w, y, 0), new Point3d(x + w, y + h, 0));
|
||
ctx.Style?.Apply(rightLine, role);
|
||
ctx.Btr.AppendEntity(rightLine);
|
||
ctx.Tr.AddNewlyCreatedDBObject(rightLine, true);
|
||
|
||
// 底边：断开 [xBreak, xBreak + breakWidth]
|
||
// 需要判断 xBreak 是否在当前矩形范围内
|
||
// 通常零件在锻件内部，且断线位置也会穿过零件
|
||
// 我们假设断线切断了矩形（如果 xBreak < x 或 xBreak > x+w，应该做特殊处理，这里暂不考虑极端情况）
|
||
|
||
// 左段
|
||
if (xBreak > x)
|
||
{
|
||
var bottomLeft = new Line(new Point3d(x, y, 0), new Point3d(Math.Min(xBreak, x + w), y, 0));
|
||
ctx.Style?.Apply(bottomLeft, role);
|
||
ctx.Btr.AppendEntity(bottomLeft);
|
||
ctx.Tr.AddNewlyCreatedDBObject(bottomLeft, true);
|
||
}
|
||
|
||
// 右段
|
||
if (xBreak + breakWidth < x + w)
|
||
{
|
||
var bottomRight = new Line(new Point3d(Math.Max(xBreak + breakWidth, x), y, 0), new Point3d(x + w, y, 0));
|
||
ctx.Style?.Apply(bottomRight, role);
|
||
ctx.Btr.AppendEntity(bottomRight);
|
||
ctx.Tr.AddNewlyCreatedDBObject(bottomRight, true);
|
||
}
|
||
|
||
// 顶边：断开 [xBreak, xBreak + breakWidth]
|
||
// 左段
|
||
if (xBreak > x)
|
||
{
|
||
var topLeft = new Line(new Point3d(x, y + h, 0), new Point3d(Math.Min(xBreak, x + w), y + h, 0));
|
||
ctx.Style?.Apply(topLeft, role);
|
||
ctx.Btr.AppendEntity(topLeft);
|
||
ctx.Tr.AddNewlyCreatedDBObject(topLeft, true);
|
||
}
|
||
// 右段
|
||
if (xBreak + breakWidth < x + w)
|
||
{
|
||
var topRight = new Line(new Point3d(Math.Max(xBreak + breakWidth, x), y + h, 0), new Point3d(x + w, y + h, 0));
|
||
ctx.Style?.Apply(topRight, role);
|
||
ctx.Btr.AppendEntity(topRight);
|
||
ctx.Tr.AddNewlyCreatedDBObject(topRight, true);
|
||
}
|
||
}
|
||
}
|
||
}
|