getting there

RemoteFrameBuffer/Client/RemoteFrameBufferClientProtocol.cs

@@ -29,6 +29,9 @@ namespace RemoteFrameBuffer.Client
 
         private RgbFrameBuffer? _frameBuffer;
 
+        public delegate void BitmapUpdateCallback(Byte[] bitmap);
+        public event BitmapUpdateCallback? FrameUpdate;
+
         public RemoteFrameBufferClientProtocol(Stream s)
         {
             this.vncStream = s;
@@ -213,7 +216,8 @@ namespace RemoteFrameBuffer.Client
                     throw new NotImplementedException();
                 }
             }
-            this._frameBuffer!.SaveBitmap($"{DateTime.Now:yyyyMMdd-HHmmss}.bmp");
+            this.FrameUpdate?.Invoke(this._frameBuffer!.ToBitmap());
+            //this._frameBuffer!.SaveBitmap($"{DateTime.Now:yyyyMMdd-HHmmss}.bmp");
         }
 
         protected void ServerMsg_SetColourMapEntries()

RemoteFrameBuffer/Client/RemoteFramebufferClient.cs

@@ -20,6 +20,8 @@ namespace RemoteFrameBuffer
         };
         }
 
+        public Byte[] BitMap { get; protected set; } = [];
+
         public RemoteFramebufferClient(IRemoteFrameBufferClientStreamProvider socketProvider)
         {
             this._socketProvider = socketProvider;
@@ -95,6 +97,10 @@ namespace RemoteFrameBuffer
                     // TODO: register auth callback and the like
                     proto.Handshake(this.cancellationTokenSource.Token);
                     proto.Initialization(this.cancellationTokenSource.Token);
+                    proto.FrameUpdate += (bitmap) => {
+                        Console.Error.WriteLine("####################################### CB hit");
+                        this.BitMap = bitmap; 
+                    };
                     proto.StartListener(this.cancellationTokenSource.Token).Wait();
                 }
 #warning REMOVE THIS

RemoteFrameBuffer/Common/RgbFrameBuffer.cs

@@ -44,7 +44,7 @@
 
         public void CopyRegion(UInt16 source_x, UInt16 source_y, UInt16 width, UInt16 height, UInt16 target_x, UInt16 target_y) => this.SetRegion(this._frame, source_x, source_y, width, height, target_x, target_y);
 
-        public void SaveBitmap(String filename)
+        public Byte[] ToBitmap()
         {
 #warning Endianness is straight up ignored
             Int32 rowBytes = (this.Width * 3) + 3;
@@ -72,7 +72,12 @@
                     buf[pos + 2] = this._frame[this.Height - j - 1][i].Red;
                 }
             }
-            File.WriteAllBytes(filename, buf);
+            return buf;
+        }
+
+        public void SaveBitmap(String filename)
+        {
+            File.WriteAllBytes(filename, this.ToBitmap());
         }
     }
 }