Add Gravograph IS post processor

2026-05-23 12:40:53 -04:00
parent 86582d28c3
commit 987a5e25bc
15 changed files with 1791 additions and 0 deletions
@@ -0,0 +1,61 @@
+using System;
+using System.IO;
+using System.IO.Ports;
+using System.Threading;
+
+namespace OpenNest.Posts.GravographIS
+{
+    /// <summary>
+    /// IPostProcessor implementation for the Gravograph IS8000. <see cref="Post(Nest, Stream)"/>
+    /// writes the binary HPGL bytes. For serial streaming, use <see cref="Stream(Nest, string, Handshake, CancellationToken)"/>.
+    /// </summary>
+    public sealed class GravographISPostProcessor : IPostProcessor
+    {
+        public string Name => "Gravograph IS8000";
+        public string Author => "OpenNest";
+        public string Description => "Gravograph IS8000 mechanical engraver (binary HPGL over serial)";
+
+        public GravographISWriterOptions WriterOptions { get; } = new GravographISWriterOptions();
+
+        public NestPolylineExtractor Extractor { get; } = new NestPolylineExtractor();
+
+        public double StitchTolerance { get; set; } = PolylinePrePass.DefaultStitchTolerance;
+
+        public bool AllowReverse { get; set; } = true;
+
+        public void Post(Nest nest, Stream outputStream)
+        {
+            if (nest == null) throw new ArgumentNullException(nameof(nest));
+            if (outputStream == null) throw new ArgumentNullException(nameof(outputStream));
+
+            var polylines = Extractor.Extract(nest);
+            var prepared = PolylinePrePass.Prepare(polylines, StitchTolerance, AllowReverse);
+            new GravographISWriter(WriterOptions).Write(prepared, outputStream);
+        }
+
+        public void Post(Nest nest, string outputFile)
+        {
+            using var fs = new FileStream(outputFile, FileMode.Create, FileAccess.Write);
+            Post(nest, fs);
+        }
+
+        /// <summary>
+        /// Buffers the encoded job in memory, then streams it to the named COM port.
+        /// </summary>
+        public void Stream(Nest nest, string portName,
+            Handshake handshake = Handshake.RequestToSend,
+            CancellationToken cancellationToken = default)
+        {
+            byte[] bytes;
+            using (var ms = new MemoryStream())
+            {
+                Post(nest, ms);
+                bytes = ms.ToArray();
+            }
+
+            using var port = new GravographISPort();
+            port.Open(portName, handshake);
+            port.StreamJob(bytes, cancellationToken);
+        }
+    }
+}