connect to csharp

StitchImg/ImageController.cs

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+using System.Net.Sockets;
+using System.Text;
+using Microsoft.AspNetCore.Mvc;
+
+namespace StitchImg;
+
+[ApiController]
+[Route("api/image")]
+public class ImageController : ControllerBase
+{
+  [HttpPost("generate")]
+  public async Task<IActionResult> Generate([FromBody] ImageSpecification specification)
+  {
+    var serverIp = "127.0.0.1";
+    var port = 8080;
+
+    var tcpClient = new TcpClient();
+    await tcpClient.ConnectAsync(serverIp, port);
+    NetworkStream networkStream = tcpClient.GetStream();
+    var writer = new BinaryWriter(networkStream);
+    
+    string rect = specification.CanvasRect;
+    byte[] rectBytes = Encoding.UTF8.GetBytes(rect);
+    writer.Write((ushort)rectBytes.Length);
+    writer.Write(rectBytes);
+    writer.Write(specification.CropOffset[0]);
+    writer.Write(specification.CropSize[0]);
+    writer.Write(specification.CropOffset[1]);
+    writer.Write(specification.CropSize[1]);
+    writer.Write(specification.OutputScale);
+    writer.Flush();
+    
+    return  File( networkStream, "image/png"); 
+  }
+}