Initial commit

PepLib.Dxf/DxfConverter.cs

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+using PepLib.Codes;
+using netDxf;
+using netDxf.Entities;
+using netDxf.Tables;
+using System;
+using PepProgram = PepLib.Program;
+
+namespace PepLib.Dxf
+{
+    public class DxfConverter
+    {
+        private const double RadToDeg = 180.0 / Math.PI;
+
+        private DxfDocument doc;
+        private Vector2 curpos;
+        private ProgrammingMode mode;
+        private readonly Layer cutLayer;
+        private readonly Layer rapidLayer;
+        private readonly Layer plateLayer;
+
+        public DxfConverter()
+        {
+            doc = new DxfDocument();
+
+            cutLayer = new Layer("Cut");
+            cutLayer.Color = AciColor.Red;
+
+            rapidLayer = new Layer("Rapid");
+            rapidLayer.Color = AciColor.Blue;
+            rapidLayer.LineType = LineType.Dashed;
+
+            plateLayer = new Layer("Plate");
+            plateLayer.Color = AciColor.Cyan;
+        }
+
+        public DxfDocument ConvertLoop(Loop loop)
+        {
+            doc = new DxfDocument();
+            AddProgram(loop);
+            return doc;
+        }
+
+        public DxfDocument ConvertPlate(Plate plate)
+        {
+            doc = new DxfDocument();
+            AddPlateOutline(plate);
+
+            foreach (var part in plate.Parts)
+            {
+                curpos = part.Location.ToDxfVector();
+                AddProgram(part.Program);
+            }
+
+            return doc;
+        }
+
+        public DxfDocument ConvertProgram(PepProgram program)
+        {
+            doc = new DxfDocument();
+            AddProgram(program);
+            return doc;
+        }
+
+        private void AddPlateOutline(Plate plate)
+        {
+            Vector2 pt1;
+            Vector2 pt2;
+            Vector2 pt3;
+            Vector2 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);
+                    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);
+                    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);
+                    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);
+                    break;
+
+                default:
+                    return;
+            }
+
+            doc.AddEntity(new Line(pt1, pt2) { Layer = plateLayer });
+            doc.AddEntity(new Line(pt2, pt3) { Layer = plateLayer });
+            doc.AddEntity(new Line(pt3, pt4) { Layer = plateLayer });
+            doc.AddEntity(new Line(pt4, pt1) { Layer = plateLayer });
+        }
+
+        private void AddProgram(PepProgram program)
+        {
+            mode = program.Mode;
+            
+            foreach (var code in program)
+            {
+                switch (code.CodeType())
+                {
+                    case CodeType.CircularMove:
+                        var arc = (CircularMove)code;
+                        AddCircularMove(arc);
+                        break;
+
+                    case CodeType.LinearMove:
+                        var line = (LinearMove)code;
+                        AddLinearMove(line);
+                        break;
+
+                    case CodeType.RapidMove:
+                        var rapid = (RapidMove)code;
+                        AddRapidMove(rapid);
+                        break;
+
+                    case CodeType.SubProgramCall:
+                        var tmpmode = mode;
+                        var subpgm = (PepLib.Codes.SubProgramCall)code;
+                        AddProgram(subpgm.Loop);
+                        mode = tmpmode;
+                        break;
+                }
+            }
+        }
+
+        private void AddLinearMove(LinearMove line)
+        {
+            var pt = line.EndPoint.ToDxfVector();
+
+            if (mode == ProgrammingMode.Incremental)
+                pt += curpos;
+
+            var ln = new Line(curpos, pt);
+            ln.Layer = cutLayer;
+            doc.AddEntity(ln);
+            curpos = pt;
+        }
+
+        private void AddRapidMove(RapidMove rapid)
+        {
+            var pt = rapid.EndPoint.ToDxfVector();
+
+            if (mode == ProgrammingMode.Incremental)
+                pt += curpos;
+
+            var ln = new Line(curpos, pt);
+            ln.Layer = rapidLayer;
+            doc.AddEntity(ln);
+            curpos = pt;
+        }
+
+        private void AddCircularMove(CircularMove arc)
+        {
+            var center = arc.CenterPoint.ToDxfVector();
+            var endpt = arc.EndPoint.ToDxfVector();
+
+            if (mode == ProgrammingMode.Incremental)
+            {
+                endpt += curpos;
+                center += curpos;
+            }
+
+            // start angle in radians
+            var startAngle = Math.Atan2(
+                curpos.Y - center.Y,
+                curpos.X - center.X);
+
+            // end angle in radians
+            var endAngle = Math.Atan2(
+                endpt.Y - center.Y,
+                endpt.X - center.X);
+
+            // convert the angles to degrees
+            startAngle *= RadToDeg;
+            endAngle *= RadToDeg;
+
+            if (arc.Rotation == PepLib.RotationType.CW)
+                Swap(ref startAngle, ref endAngle);
+
+            var dx = endpt.X - center.X;
+            var dy = endpt.Y - center.Y;
+
+            var radius = Math.Sqrt(dx * dx + dy * dy);
+
+            if (startAngle.IsEqualTo(endAngle))
+            {
+                var circle = new Circle(center, radius);
+                circle.Layer = cutLayer;
+                doc.AddEntity(circle);
+            }
+            else
+            {
+                var arc2 = new Arc(center, radius, startAngle, endAngle);
+                arc2.Layer = cutLayer;
+                doc.AddEntity(arc2);
+            }
+
+            curpos = endpt;
+        }
+
+        private static void Swap<T>(ref T a, ref T b)
+        {
+            T c = a;
+            a = b;
+            b = c;
+        }
+    }
+}

PepLib.Dxf/DxfExtensions.cs

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+using DxfVector = netDxf.Vector2;
+using PepVector = PepLib.Vector;
+
+namespace PepLib.Dxf
+{
+    internal static class DxfExtensions
+    {
+        public static PepVector ToPepVector(this DxfVector v)
+        {
+            return new PepVector(v.X, v.Y);
+        }
+    }
+}

PepLib.Dxf/PepExtensions.cs

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+using DxfVector = netDxf.Vector2;
+using PepVector = PepLib.Vector;
+
+namespace PepLib.Dxf
+{
+    internal static class PepExtensions
+    {
+        public static DxfVector ToDxfVector(this PepVector v)
+        {
+            return new DxfVector(v.X, v.Y);
+        }
+    }
+}

PepLib.Dxf/PepLib.Dxf.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{E15A7403-B16D-4D11-A061-2F5E98DF36B0}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>PepLib.Dxf</RootNamespace>
+    <AssemblyName>PepLib.Dxf</AssemblyName>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="netDxf">
+      <HintPath>..\..\lib\netDxf.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="DxfExtensions.cs" />
+    <Compile Include="DxfConverter.cs" />
+    <Compile Include="PepExtensions.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\PepLib\PepLib.csproj">
+      <Project>{22360453-B878-49FA-A5DC-0D9C577DE902}</Project>
+      <Name>PepLib</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

PepLib.Dxf/Properties/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("PepLib.Dxf")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("PepLib.Dxf")]
+[assembly: AssemblyCopyright("Copyright © AJ Isaacs 2014")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("5f159892-11c1-46f4-94be-ae9a7e81c1bc")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]