refactor: extract OpenNest.IO class library from WinForms project
Move DxfImporter, DxfExporter, NestReader, NestWriter, ProgramReader, and Extensions into a new OpenNest.IO class library. The WinForms project now references OpenNest.IO instead of ACadSharp directly. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
426
OpenNest.IO/NestWriter.cs
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426
OpenNest.IO/NestWriter.cs
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using System.Text;
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using System.Xml;
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using OpenNest.CNC;
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using OpenNest.Math;
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namespace OpenNest.IO
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{
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public sealed class NestWriter
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{
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/// <summary>
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/// Number of decimal places the output is round to.
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/// This number must have more decimal places than Tolerance.Epsilon
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/// </summary>
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private const int OutputPrecision = 10;
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/// <summary>
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/// Fixed-point format string that avoids scientific notation.
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/// ProgramReader treats 'E' as a code letter, so "6.66E-08" would be
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/// split into X:"6.66" and E:"-08", corrupting the parsed value.
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/// </summary>
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private const string CoordinateFormat = "0.##########";
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private readonly Nest nest;
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private ZipArchive zipArchive;
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private Dictionary<int, Drawing> drawingDict;
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public NestWriter(Nest nest)
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{
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this.drawingDict = new Dictionary<int, Drawing>();
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this.nest = nest;
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}
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public bool Write(string file)
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{
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this.nest.DateLastModified = DateTime.Now;
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SetDrawingIds();
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using (var fileStream = new FileStream(file, FileMode.Create))
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using (zipArchive = new ZipArchive(fileStream, ZipArchiveMode.Create))
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{
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AddNestInfo();
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AddPlates();
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AddPlateInfo();
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AddDrawings();
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AddDrawingInfo();
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}
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return true;
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}
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private void SetDrawingIds()
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{
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int id = 1;
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foreach (var drawing in nest.Drawings)
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{
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drawingDict.Add(id, drawing);
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id++;
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}
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}
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private void AddNestInfo()
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{
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var stream = new MemoryStream();
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var writer = XmlWriter.Create(stream, new XmlWriterSettings()
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{
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Indent = true
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});
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writer.WriteStartDocument();
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writer.WriteStartElement("Nest");
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writer.WriteAttributeString("name", nest.Name);
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writer.WriteElementString("Units", nest.Units.ToString());
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writer.WriteElementString("Customer", nest.Customer);
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writer.WriteElementString("DateCreated", nest.DateCreated.ToString());
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writer.WriteElementString("DateLastModified", nest.DateLastModified.ToString());
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writer.WriteStartElement("DefaultPlate");
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writer.WriteElementString("Size", nest.PlateDefaults.Size.ToString());
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writer.WriteElementString("Thickness", nest.PlateDefaults.Thickness.ToString());
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writer.WriteElementString("Quadrant", nest.PlateDefaults.Quadrant.ToString());
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writer.WriteElementString("PartSpacing", nest.PlateDefaults.PartSpacing.ToString());
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writer.WriteStartElement("Material");
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writer.WriteElementString("Name", nest.PlateDefaults.Material.Name);
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writer.WriteElementString("Grade", nest.PlateDefaults.Material.Grade);
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writer.WriteElementString("Density", nest.PlateDefaults.Material.Density.ToString());
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writer.WriteEndElement();
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writer.WriteStartElement("EdgeSpacing");
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writer.WriteElementString("Left", nest.PlateDefaults.EdgeSpacing.Left.ToString());
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writer.WriteElementString("Top", nest.PlateDefaults.EdgeSpacing.Top.ToString());
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writer.WriteElementString("Right", nest.PlateDefaults.EdgeSpacing.Right.ToString());
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writer.WriteElementString("Bottom", nest.PlateDefaults.EdgeSpacing.Bottom.ToString());
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writer.WriteEndElement();
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writer.WriteElementString("Notes", Uri.EscapeDataString(nest.Notes));
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writer.WriteEndElement(); // DefaultPlate
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writer.WriteEndElement(); // Nest
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writer.WriteEndDocument();
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writer.Flush();
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writer.Close();
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stream.Position = 0;
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var entry = zipArchive.CreateEntry("info");
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using (var entryStream = entry.Open())
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{
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stream.CopyTo(entryStream);
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}
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}
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private void AddPlates()
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{
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int num = 1;
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foreach (var plate in nest.Plates)
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{
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var stream = new MemoryStream();
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var name = string.Format("plate-{0}", num.ToString().PadLeft(3, '0'));
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WritePlate(stream, plate);
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var entry = zipArchive.CreateEntry(name);
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using (var entryStream = entry.Open())
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{
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stream.CopyTo(entryStream);
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}
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num++;
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}
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}
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private void AddPlateInfo()
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{
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var stream = new MemoryStream();
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var writer = XmlWriter.Create(stream, new XmlWriterSettings()
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{
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Indent = true
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});
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writer.WriteStartDocument();
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writer.WriteStartElement("Plates");
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writer.WriteAttributeString("count", nest.Plates.Count.ToString());
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for (int i = 0; i < nest.Plates.Count; ++i)
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{
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var plate = nest.Plates[i];
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writer.WriteStartElement("Plate");
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writer.WriteAttributeString("id", (i + 1).ToString());
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writer.WriteElementString("Quadrant", plate.Quadrant.ToString());
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writer.WriteElementString("Thickness", plate.Thickness.ToString());
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writer.WriteElementString("Size", plate.Size.ToString());
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writer.WriteElementString("Qty", plate.Quantity.ToString());
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writer.WriteElementString("PartSpacing", plate.PartSpacing.ToString());
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writer.WriteStartElement("Material");
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writer.WriteElementString("Name", plate.Material.Name);
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writer.WriteElementString("Grade", plate.Material.Grade);
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writer.WriteElementString("Density", plate.Material.Density.ToString());
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writer.WriteEndElement();
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writer.WriteStartElement("EdgeSpacing");
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writer.WriteElementString("Left", plate.EdgeSpacing.Left.ToString());
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writer.WriteElementString("Top", plate.EdgeSpacing.Top.ToString());
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writer.WriteElementString("Right", plate.EdgeSpacing.Right.ToString());
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writer.WriteElementString("Bottom", plate.EdgeSpacing.Bottom.ToString());
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writer.WriteEndElement();
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writer.WriteEndElement(); // Plate
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writer.Flush();
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}
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writer.WriteEndElement(); // Plates
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writer.WriteEndDocument();
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writer.Flush();
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writer.Close();
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stream.Position = 0;
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var entry = zipArchive.CreateEntry("plate-info");
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using (var entryStream = entry.Open())
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{
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stream.CopyTo(entryStream);
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}
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}
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private void AddDrawings()
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{
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int num = 1;
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foreach (var dwg in nest.Drawings)
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{
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var stream = new MemoryStream();
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var name = string.Format("program-{0}", num.ToString().PadLeft(3, '0'));
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WriteDrawing(stream, dwg);
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var entry = zipArchive.CreateEntry(name);
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using (var entryStream = entry.Open())
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{
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stream.CopyTo(entryStream);
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}
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num++;
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}
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}
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private void AddDrawingInfo()
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{
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var stream = new MemoryStream();
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var writer = XmlWriter.Create(stream, new XmlWriterSettings()
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{
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Indent = true
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});
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writer.WriteStartDocument();
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writer.WriteStartElement("Drawings");
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writer.WriteAttributeString("count", nest.Drawings.Count.ToString());
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int id = 1;
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foreach (var drawing in nest.Drawings)
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{
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writer.WriteStartElement("Drawing");
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writer.WriteAttributeString("id", id.ToString());
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writer.WriteAttributeString("name", drawing.Name);
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writer.WriteElementString("Customer", drawing.Customer);
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writer.WriteElementString("Color", string.Format("{0}, {1}, {2}, {3}", drawing.Color.A, drawing.Color.R, drawing.Color.G, drawing.Color.B));
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writer.WriteStartElement("Quantity");
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writer.WriteElementString("Required", drawing.Quantity.Required.ToString());
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writer.WriteElementString("Nested", drawing.Quantity.Nested.ToString());
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writer.WriteEndElement();
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writer.WriteStartElement("Material");
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writer.WriteElementString("Name", drawing.Material.Name);
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writer.WriteElementString("Grade", drawing.Material.Grade);
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writer.WriteElementString("Density", drawing.Material.Density.ToString());
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writer.WriteEndElement();
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writer.WriteStartElement("Source");
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writer.WriteElementString("Path", drawing.Source.Path);
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writer.WriteElementString("Offset", string.Format("{0}, {1}",
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drawing.Source.Offset.X,
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drawing.Source.Offset.Y));
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writer.WriteEndElement(); // Source
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writer.WriteEndElement(); // Drawing
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id++;
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}
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writer.WriteEndElement(); // Drawings
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writer.WriteEndDocument();
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writer.Flush();
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writer.Close();
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stream.Position = 0;
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var entry = zipArchive.CreateEntry("drawing-info");
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using (var entryStream = entry.Open())
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{
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stream.CopyTo(entryStream);
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}
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}
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private void WritePlate(Stream stream, Plate plate)
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{
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var writer = new StreamWriter(stream);
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writer.AutoFlush = true;
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writer.WriteLine("G90");
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foreach (var part in plate.Parts)
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{
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var match = drawingDict.Where(dwg => dwg.Value == part.BaseDrawing).FirstOrDefault();
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var id = match.Key;
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writer.WriteLine("G00X{0}Y{1}",
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part.Location.X.ToString(CoordinateFormat),
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part.Location.Y.ToString(CoordinateFormat));
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writer.WriteLine("G65P{0}R{1}", id, Angle.ToDegrees(part.Rotation));
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}
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stream.Position = 0;
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}
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private void WriteDrawing(Stream stream, Drawing drawing)
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{
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var program = drawing.Program;
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var writer = new StreamWriter(stream);
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writer.AutoFlush = true;
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writer.WriteLine(program.Mode == Mode.Absolute ? "G90" : "G91");
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for (int i = 0; i < drawing.Program.Length; ++i)
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{
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var code = drawing.Program[i];
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writer.WriteLine(GetCodeString(code));
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}
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stream.Position = 0;
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}
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private string GetCodeString(ICode code)
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{
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switch (code.Type)
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{
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case CodeType.ArcMove:
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{
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var sb = new StringBuilder();
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var arcMove = (ArcMove)code;
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var x = System.Math.Round(arcMove.EndPoint.X, OutputPrecision).ToString(CoordinateFormat);
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var y = System.Math.Round(arcMove.EndPoint.Y, OutputPrecision).ToString(CoordinateFormat);
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var i = System.Math.Round(arcMove.CenterPoint.X, OutputPrecision).ToString(CoordinateFormat);
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var j = System.Math.Round(arcMove.CenterPoint.Y, OutputPrecision).ToString(CoordinateFormat);
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if (arcMove.Rotation == RotationType.CW)
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sb.Append(string.Format("G02X{0}Y{1}I{2}J{3}", x, y, i, j));
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else
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sb.Append(string.Format("G03X{0}Y{1}I{2}J{3}", x, y, i, j));
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if (arcMove.Layer != LayerType.Cut)
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sb.Append(GetLayerString(arcMove.Layer));
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return sb.ToString();
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}
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case CodeType.Comment:
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{
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var comment = (Comment)code;
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return ":" + comment.Value;
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}
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case CodeType.LinearMove:
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{
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var sb = new StringBuilder();
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var linearMove = (LinearMove)code;
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sb.Append(string.Format("G01X{0}Y{1}",
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System.Math.Round(linearMove.EndPoint.X, OutputPrecision).ToString(CoordinateFormat),
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System.Math.Round(linearMove.EndPoint.Y, OutputPrecision).ToString(CoordinateFormat)));
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if (linearMove.Layer != LayerType.Cut)
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sb.Append(GetLayerString(linearMove.Layer));
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return sb.ToString();
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}
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case CodeType.RapidMove:
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{
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var rapidMove = (RapidMove)code;
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return string.Format("G00X{0}Y{1}",
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System.Math.Round(rapidMove.EndPoint.X, OutputPrecision).ToString(CoordinateFormat),
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System.Math.Round(rapidMove.EndPoint.Y, OutputPrecision).ToString(CoordinateFormat));
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}
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case CodeType.SetFeedrate:
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{
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var setFeedrate = (Feedrate)code;
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return "F" + setFeedrate.Value;
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}
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case CodeType.SetKerf:
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{
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var setKerf = (Kerf)code;
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switch (setKerf.Value)
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{
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case KerfType.None: return "G40";
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case KerfType.Left: return "G41";
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case KerfType.Right: return "G42";
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}
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break;
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}
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case CodeType.SubProgramCall:
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{
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var subProgramCall = (SubProgramCall)code;
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break;
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}
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}
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return string.Empty;
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}
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private string GetLayerString(LayerType layer)
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{
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switch (layer)
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{
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case LayerType.Display:
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return ":DISPLAY";
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case LayerType.Leadin:
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return ":LEADIN";
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case LayerType.Leadout:
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return ":LEADOUT";
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case LayerType.Scribe:
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return ":SCRIBE";
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default:
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return string.Empty;
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}
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}
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}
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}
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