[BugFix] Decoder zlibDecoder was not created in constructor VncCanvas and application falls with NullPointerException when it tries to set session recorder for this decoder.

[Developement] Decoders updates their params (framebuffer size and bpp) in updateFramebufferSize method.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@3436 3789f03b-4d11-0410-bbf8-ca57d06f2519

1 files changed, 27 insertions, 0 deletions

diff --git a/java/src/com/tightvnc/vncviewer/VncCanvas.java b/java/src/com/tightvnc/vncviewer/VncCanvas.java
index 4cd82af2..51761c09 100644
--- a/java/src/com/tightvnc/vncviewer/VncCanvas.java
+++ b/java/src/com/tightvnc/vncviewer/VncCanvas.java
@@ -164,6 +164,7 @@ class VncCanvas extends Canvas
     correDecoder = new CoRREDecoder(memGraphics, rfbis);
     hextileDecoder = new HextileDecoder(memGraphics, rfbis);
     tightDecoder = new TightDecoder(memGraphics, rfbis);
+    zlibDecoder = new ZlibDecoder(memGraphics, rfbis);
     zrleDecoder = new ZRLEDecoder(memGraphics, rfbis);
 
     //
@@ -379,6 +380,32 @@ class VncCanvas extends Canvas
       }
     }
 
+    //
+    // Update decoders
+    //
+
+    //
+    // FIXME: Why decoders can be null here?
+    //
+
+    if (decoders != null) {
+      for (int i = 0; i < decoders.length; i++) {
+        //
+        // Set changes to every decoder that we can use
+        //
+
+        decoders[i].setBPP(bytesPixel);
+        decoders[i].setFrameBufferSize(fbWidth, fbHeight);
+        decoders[i].setGraphics(memGraphics);
+
+        //
+        // Update decoder
+        //
+
+        decoders[i].update();
+      }
+    }
+
     // Images with raw pixels should be re-allocated on every change
     // of geometry or pixel format.
     if (bytesPixel == 1) {