Added basic almost-functional Tight support, from tightrealvnc project. Decoder only.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@14 3789f03b-4d11-0410-bbf8-ca57d06f2519

1 files changed, 62 insertions, 0 deletions

diff --git a/rfb/TightDecoder.cxx b/rfb/TightDecoder.cxx
new file mode 100644
index 00000000..46776473
--- /dev/null
+++ b/rfb/TightDecoder.cxx
@@ -0,0 +1,62 @@
+/* Copyright (C) 2000-2003 Constantin Kaplinsky.  All Rights Reserved.
+ *    
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+#include <rfb/CMsgReader.h>
+#include <rfb/CMsgHandler.h>
+#include <rfb/TightDecoder.h>
+
+using namespace rfb;
+
+#define EXTRA_ARGS CMsgHandler* handler
+#define FILL_RECT(r, p) handler->fillRect(r, p)
+#define IMAGE_RECT(r, p) handler->imageRect(r, p)
+#define BPP 8
+#include <rfb/tightDecode.h>
+#undef BPP
+#define BPP 16
+#include <rfb/tightDecode.h>
+#undef BPP
+#define BPP 32
+#include <rfb/tightDecode.h>
+#undef BPP
+
+Decoder* TightDecoder::create(CMsgReader* reader)
+{
+  return new TightDecoder(reader);
+}
+
+TightDecoder::TightDecoder(CMsgReader* reader_) : reader(reader_)
+{
+}
+
+TightDecoder::~TightDecoder()
+{
+}
+
+void TightDecoder::readRect(const Rect& r, CMsgHandler* handler)
+{
+  rdr::InStream* is = reader->getInStream();
+  rdr::U8* buf = reader->getImageBuf(r.area());
+  switch (reader->bpp()) {
+  case 8:
+    tightDecode8 (r, is, zis, (rdr::U8*) buf, handler); break;
+  case 16:
+    tightDecode16(r, is, zis, (rdr::U16*)buf, handler); break;
+  case 32:
+    tightDecode32(r, is, zis, (rdr::U32*)buf, handler); break;
+  }
+}