Viewer: Advertise Tight w/o Zlib pseudo-encoding

TurboVNC · Sep 25, 2024 · 6914550 · 6914550
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commit 6914550
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Showing 3 changed files with 14 additions and 4 deletions.
diff --git a/ChangeLog.md b/ChangeLog.md
@@ -86,6 +86,13 @@ system log.
 16. Fixed a regression introduced by 2.2 beta1[7] that prevented the TurboVNC
 Server from being used as an inetd service.
 
+17. The "Tight Encoding Without Zlib" RFB extension, which was used
+unofficially by the Lossless Tight encoding method since TurboVNC v0.5, has
+been officially registered with IANA as an RFB pseudo-encoding.  The TurboVNC
+Viewer now advertises support for the pseudo-encoding.  (The next major release
+of the TurboVNC Server will forego using the extension unless the VNC viewer
+advertises support for it.)
+
 
 3.0.3
 =====

diff --git a/java/com/turbovnc/rfb/CMsgWriter.java b/java/com/turbovnc/rfb/CMsgWriter.java
@@ -1,5 +1,5 @@
-/* Copyright (C) 2012, 2015, 2017-2018, 2020-2021 D. R. Commander.
- *                                                All Rights Reserved.
+/* Copyright (C) 2012, 2015, 2017-2018, 2020-2021, 2024 D. R. Commander.
+ *                                                      All Rights Reserved.
  * Copyright (C) 2011, 2015 Brian P. Hinz
  * Copyright 2009-2011 Pierre Ossman for Cendio AB
  * Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
@@ -77,6 +77,7 @@ public synchronized void writeSetEncodings(int preferredEncoding,
     }
     if (Utils.getBooleanProperty("turbovnc.gii", true))
       encodings[nEncodings++] = RFB.ENCODING_GII;
+    encodings[nEncodings++] = RFB.ENCODING_TIGHT_WITHOUT_ZLIB;
 
     if (Decoder.supported(preferredEncoding)) {
       encodings[nEncodings++] = preferredEncoding;

diff --git a/java/com/turbovnc/rfb/RFB.java b/java/com/turbovnc/rfb/RFB.java
@@ -1,5 +1,5 @@
-/* Copyright (C) 2011-2012, 2015-2018, 2021-2022 D. R. Commander.
- *                                               All Rights Reserved.
+/* Copyright (C) 2011-2012, 2015-2018, 2021-2022, 2024 D. R. Commander.
+ *                                                     All Rights Reserved.
  * Copyright (C) 2011-2012 Brian P. Hinz
  * Copyright 2009, 2011 Pierre Ossman for Cendio AB
  * Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
@@ -223,6 +223,8 @@ public static String encodingName(int num) {
   public static final int ENCODING_FINE_QUALITY_LEVEL_0   = -512;
   public static final int ENCODING_FINE_QUALITY_LEVEL_100 = -412;
 
+  public static final int ENCODING_TIGHT_WITHOUT_ZLIB     = -317;
+
   public static final int ENCODING_CONTINUOUS_UPDATES     = -313;
   public static final int ENCODING_FENCE                  = -312;