1 files changed, 109 insertions, 0 deletions
diff --git a/Software/Visual_Studio/Tango.Pulse/TwnFileReader.cs b/Software/Visual_Studio/Tango.Pulse/TwnFileReader.cs
new file mode 100644
index 000000000..2efa94936
--- /dev/null
+++ b/Software/Visual_Studio/Tango.Pulse/TwnFileReader.cs
@@ -0,0 +1,109 @@
+using System;
+using System.Drawing;
+using System.IO;
+using System.Text;
+
+namespace Tango.Pulse
+{
+    /// <summary>
+    /// Represents a Pulse, twn file reader.
+    /// </summary>
+    public class TwnFileReader
+    {
+        /// <summary>
+        /// Reads the specified TWN stream.
+        /// </summary>
+        /// <param name="twnStream">The TWN stream.</param>
+        /// <returns></returns>
+        public TwnFile Read(Stream twnStream)
+        {
+            TwnFile twnFile = new TwnFile();
+
+            BinaryReader reader = new BinaryReader(twnStream);
+
+            //Format Version (Default is 1.0).
+            twnFile.Version = reader.ReadSingle();
+
+
+            //The name of the design or other labeling information as UTF - 8 text padded with white spaces and limited to 50 bytes.
+            twnFile.Name = Encoding.UTF8.GetString(reader.ReadBytes(50)).Trim();
+
+
+            //The embedded preview image size in byte length as a 32 bit unsigned integer.
+            UInt32 thumbnail_size = reader.ReadUInt32();
+
+
+            //The total number of brush segments as a 32 bit unsigned integer.
+            UInt32 segments_count = reader.ReadUInt32();
+
+
+            //Number of copies. (The number 0 will be treated as 1, so the default is 0)
+            twnFile.NumberOfCopies = (int)reader.ReadUInt32();
+
+
+            //0 - Spool per segment. (default)
+            //1 - Spool per copy.
+            //2 - Single spool for all segments.
+            twnFile.SpoolingMethod = (SpoolingMethods)(int)reader.ReadByte();
+
+
+            //A unique code representing an optional media ID from Twine’s recommended media list.
+            twnFile.MediaID = (int)reader.ReadUInt32();
+
+
+            //3 ASCII characters representing the embedded embroidery file extension (e.g dst, pes).
+            twnFile.EmbroideryFileFormat = Encoding.ASCII.GetString(reader.ReadBytes(3));
+
+
+            //The byte array length of the embedded embroidery file.
+            UInt32 emb_file_size = reader.ReadUInt32();
+
+
+            //Array of bytes representing the design preview image in PNG format(transparent background).
+            //The size of the PNG byte array must be defined in the header. Recommended image width is 1280
+            //pixels while maintaining aspect ratio.
+            MemoryStream ms = new MemoryStream(reader.ReadBytes((int)thumbnail_size));
+            twnFile.Thumbnail = new Bitmap(ms);
+
+
+            //Array of Brush Segment. The number of brush segments must be defined in the header.
+            for (int i = 0; i < segments_count; i++)
+            {
+                TwnSegment segment = new TwnSegment();
+
+                //Required thread length in centimeters.
+                segment.Length = reader.ReadSingle();
+
+                //Number of brush stops.
+                UInt32 stop_count = reader.ReadUInt32();
+
+                //Array of brush stops.
+                for (int j = 0; j < stop_count; j++)
+                {
+                    TwnStop stop = new TwnStop();
+
+                    //The RGB red component.
+                    stop.R = reader.ReadByte();
+
+                    //The RGB green component.
+                    stop.G = reader.ReadByte();
+
+                    //The RGB blue component.
+                    stop.B = reader.ReadByte();
+
+                    //The Brush stop offset position within the parent brush length in percentage (0-1).
+                    stop.Offset = reader.ReadSingle();
+
+                    segment.BrushStops.Add(stop);
+                }
+
+                twnFile.Segments.Add(segment);
+            }
+
+            //Byte array representing the standard embroidery file which can be extracted and inserted into an embroidery machine.
+            twnFile.EmbroideryFile = reader.ReadBytes((int)emb_file_size);
+
+            return twnFile;
+        }
+    }
+}