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refactor: rewrite DxfExporter for ACadSharp

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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
AJ Isaacs
2026-03-07 13:30:23 -05:00
parent d185adecfa
commit 848023a2b9
2 changed files with 101 additions and 89 deletions
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188
OpenNest/IO/DxfExporter.cs
View File

@@ -1,23 +1,25 @@
using System;
using System;
using System.Diagnostics;
using System.IO;
using netDxf;
using netDxf.Entities;
using netDxf.Tables;
using ACadSharp;
using ACadSharp.Entities;
using ACadSharp.IO;
using ACadSharp.Tables;
using CSMath;
using OpenNest.CNC;
using OpenNest.Math;
namespace OpenNest.IO
{
using Layer = netDxf.Tables.Layer;
using Line = netDxf.Entities.Line;
using AcadArc = ACadSharp.Entities.Arc;
using AcadCircle = ACadSharp.Entities.Circle;
using AcadLine = ACadSharp.Entities.Line;
using Layer = ACadSharp.Tables.Layer;
public class DxfExporter
{
private const double RadToDeg = 180.0 / System.Math.PI;
private DxfDocument doc;
private Vector2 curpos;
private CadDocument doc;
private XYZ curpos;
private Mode mode;
private readonly Layer cutLayer;
private readonly Layer rapidLayer;
@@ -25,30 +27,33 @@ namespace OpenNest.IO
public DxfExporter()
{
doc = new DxfDocument();
doc = new CadDocument();
cutLayer = new Layer("Cut");
cutLayer.Color = AciColor.Red;
cutLayer.Color = new Color(1);
rapidLayer = new Layer("Rapid");
rapidLayer.Color = AciColor.Blue;
rapidLayer.Linetype = Linetype.Dashed;
rapidLayer.Color = new Color(5);
plateLayer = new Layer("Plate");
plateLayer.Color = AciColor.Cyan;
plateLayer.Color = new Color(4);
}
public void ExportProgram(Program program, Stream stream)
{
doc = new DxfDocument();
doc = new CadDocument();
EnsureLayers();
AddProgram(program);
doc.Save(stream);
using (var writer = new DxfWriter(stream, doc, false))
{
writer.Write();
}
}
public bool ExportProgram(Program program, string path)
{
Stream stream = null;
bool success = false;
var success = false;
try
{
@@ -71,26 +76,28 @@ namespace OpenNest.IO
public void ExportPlate(Plate plate, Stream stream)
{
doc = new DxfDocument();
doc = new CadDocument();
EnsureLayers();
AddPlateOutline(plate);
foreach (var part in plate.Parts)
{
var endpt = part.Location.ToNetDxf();
var line = new netDxf.Entities.Line(curpos, endpt);
line.Layer = rapidLayer;
doc.Entities.Add(line);
curpos = part.Location.ToNetDxf();
var endpt = part.Location.ToAcadXYZ();
AddLine(curpos, endpt, rapidLayer);
curpos = part.Location.ToAcadXYZ();
AddProgram(part.Program);
}
doc.Save(stream);
using (var writer = new DxfWriter(stream, doc, false))
{
writer.Write();
}
}
public bool ExportPlate(Plate plate, string path)
{
Stream stream = null;
bool success = false;
var success = false;
try
{
@@ -111,75 +118,84 @@ namespace OpenNest.IO
return success;
}
private void EnsureLayers()
{
doc.Layers.Add(cutLayer);
doc.Layers.Add(rapidLayer);
doc.Layers.Add(plateLayer);
}
private void AddLine(XYZ start, XYZ end, Layer layer)
{
var ln = new AcadLine();
ln.StartPoint = start;
ln.EndPoint = end;
ln.Layer = layer;
doc.Entities.Add(ln);
}
private void AddPlateOutline(Plate plate)
{
Vector2 pt1;
Vector2 pt2;
Vector2 pt3;
Vector2 pt4;
XYZ pt1;
XYZ pt2;
XYZ pt3;
XYZ pt4;
switch (plate.Quadrant)
{
case 1:
pt1 = new Vector2(0, 0);
pt2 = new Vector2(0, plate.Size.Height);
pt3 = new Vector2(plate.Size.Width, plate.Size.Height);
pt4 = new Vector2(plate.Size.Width, 0);
pt1 = new XYZ(0, 0, 0);
pt2 = new XYZ(0, plate.Size.Height, 0);
pt3 = new XYZ(plate.Size.Width, plate.Size.Height, 0);
pt4 = new XYZ(plate.Size.Width, 0, 0);
break;
case 2:
pt1 = new Vector2(0, 0);
pt2 = new Vector2(0, plate.Size.Height);
pt3 = new Vector2(-plate.Size.Width, plate.Size.Height);
pt4 = new Vector2(-plate.Size.Width, 0);
pt1 = new XYZ(0, 0, 0);
pt2 = new XYZ(0, plate.Size.Height, 0);
pt3 = new XYZ(-plate.Size.Width, plate.Size.Height, 0);
pt4 = new XYZ(-plate.Size.Width, 0, 0);
break;
case 3:
pt1 = new Vector2(0, 0);
pt2 = new Vector2(0, -plate.Size.Height);
pt3 = new Vector2(-plate.Size.Width, -plate.Size.Height);
pt4 = new Vector2(-plate.Size.Width, 0);
pt1 = new XYZ(0, 0, 0);
pt2 = new XYZ(0, -plate.Size.Height, 0);
pt3 = new XYZ(-plate.Size.Width, -plate.Size.Height, 0);
pt4 = new XYZ(-plate.Size.Width, 0, 0);
break;
case 4:
pt1 = new Vector2(0, 0);
pt2 = new Vector2(0, -plate.Size.Height);
pt3 = new Vector2(plate.Size.Width, -plate.Size.Height);
pt4 = new Vector2(plate.Size.Width, 0);
pt1 = new XYZ(0, 0, 0);
pt2 = new XYZ(0, -plate.Size.Height, 0);
pt3 = new XYZ(plate.Size.Width, -plate.Size.Height, 0);
pt4 = new XYZ(plate.Size.Width, 0, 0);
break;
default:
return;
}
doc.Entities.Add(new Line(pt1, pt2) { Layer = plateLayer });
doc.Entities.Add(new Line(pt2, pt3) { Layer = plateLayer });
doc.Entities.Add(new Line(pt3, pt4) { Layer = plateLayer });
doc.Entities.Add(new Line(pt4, pt1) { Layer = plateLayer });
AddLine(pt1, pt2, plateLayer);
AddLine(pt2, pt3, plateLayer);
AddLine(pt3, pt4, plateLayer);
AddLine(pt4, pt1, plateLayer);
pt1.X += plate.EdgeSpacing.Left;
pt1.Y += plate.EdgeSpacing.Bottom;
var m1 = new XYZ(pt1.X + plate.EdgeSpacing.Left, pt1.Y + plate.EdgeSpacing.Bottom, 0);
var m2 = new XYZ(m1.X, pt2.Y - plate.EdgeSpacing.Top, 0);
var m3 = new XYZ(pt3.X - plate.EdgeSpacing.Right, m2.Y, 0);
var m4 = new XYZ(m3.X, m1.Y, 0);
pt2.X = pt1.X;
pt2.Y -= plate.EdgeSpacing.Top;
pt3.X -= plate.EdgeSpacing.Right;
pt3.Y = pt2.Y;
pt4.X = pt3.X;
pt4.Y = pt1.Y;
doc.Entities.Add(new Line(pt1, pt2) { Layer = plateLayer, Linetype = Linetype.Dashed });
doc.Entities.Add(new Line(pt2, pt3) { Layer = plateLayer, Linetype = Linetype.Dashed });
doc.Entities.Add(new Line(pt3, pt4) { Layer = plateLayer, Linetype = Linetype.Dashed });
doc.Entities.Add(new Line(pt4, pt1) { Layer = plateLayer, Linetype = Linetype.Dashed });
AddLine(m1, m2, plateLayer);
AddLine(m2, m3, plateLayer);
AddLine(m3, m4, plateLayer);
AddLine(m4, m1, plateLayer);
}
private void AddProgram(Program program)
{
mode = program.Mode;
for (int i = 0; i < program.Length; ++i)
for (var i = 0; i < program.Length; ++i)
{
var code = program[i];
@@ -212,55 +228,45 @@ namespace OpenNest.IO
private void AddLinearMove(LinearMove line)
{
var pt = line.EndPoint.ToNetDxf();
var pt = line.EndPoint.ToAcadXYZ();
if (mode == Mode.Incremental)
pt += curpos;
pt = new XYZ(pt.X + curpos.X, pt.Y + curpos.Y, 0);
var ln = new Line(curpos, pt);
ln.Layer = cutLayer;
doc.Entities.Add(ln);
AddLine(curpos, pt, cutLayer);
curpos = pt;
}
private void AddRapidMove(RapidMove rapid)
{
var pt = rapid.EndPoint.ToNetDxf();
var pt = rapid.EndPoint.ToAcadXYZ();
if (mode == Mode.Incremental)
pt += curpos;
pt = new XYZ(pt.X + curpos.X, pt.Y + curpos.Y, 0);
var ln = new Line(curpos, pt);
ln.Layer = rapidLayer;
doc.Entities.Add(ln);
AddLine(curpos, pt, rapidLayer);
curpos = pt;
}
private void AddArcMove(ArcMove arc)
{
var center = arc.CenterPoint.ToNetDxf();
var endpt = arc.EndPoint.ToNetDxf();
var center = arc.CenterPoint.ToAcadXYZ();
var endpt = arc.EndPoint.ToAcadXYZ();
if (mode == Mode.Incremental)
{
endpt += curpos;
center += curpos;
endpt = new XYZ(endpt.X + curpos.X, endpt.Y + curpos.Y, 0);
center = new XYZ(center.X + curpos.X, center.Y + curpos.Y, 0);
}
// start angle in radians
var startAngle = System.Math.Atan2(
curpos.Y - center.Y,
curpos.X - center.X);
// end angle in radians
var endAngle = System.Math.Atan2(
endpt.Y - center.Y,
endpt.X - center.X);
// convert the angles to degrees
startAngle = Angle.ToDegrees(startAngle);
endAngle = Angle.ToDegrees(endAngle);
if (arc.Rotation == OpenNest.RotationType.CW)
Generic.Swap(ref startAngle, ref endAngle);
@@ -271,13 +277,19 @@ namespace OpenNest.IO
if (startAngle.IsEqualTo(endAngle))
{
var circle = new Circle(center, radius);
var circle = new AcadCircle();
circle.Center = center;
circle.Radius = radius;
circle.Layer = cutLayer;
doc.Entities.Add(circle);
}
else
{
var arc2 = new Arc(center, radius, startAngle, endAngle);
var arc2 = new AcadArc();
arc2.Center = center;
arc2.Radius = radius;
arc2.StartAngle = startAngle;
arc2.EndAngle = endAngle;
arc2.Layer = cutLayer;
doc.Entities.Add(arc2);
}

2
OpenNest/IO/Extensions.cs
View File

@@ -139,7 +139,7 @@ namespace OpenNest.IO
var lines = new List<Geometry.Line>();
var center = new Vector(ellipse.Center.X, ellipse.Center.Y);
var majorAxis = new Vector(ellipse.EndPoint.X, ellipse.EndPoint.Y);
var majorAxis = new Vector(ellipse.MajorAxisEndPoint.X, ellipse.MajorAxisEndPoint.Y);
var majorLength = System.Math.Sqrt(majorAxis.X * majorAxis.X + majorAxis.Y * majorAxis.Y);
var minorLength = majorLength * ellipse.RadiusRatio;
var rotation = System.Math.Atan2(majorAxis.Y, majorAxis.X);