From 3e924126b56c4d421e8263d25f6b14aa4ceed047 Mon Sep 17 00:00:00 2001
From: Reinhard Tartler <siretart@tauware.de>
Date: Sun, 13 Nov 2011 09:27:51 +0100
Subject: Imported nxcomp-3.1.0-4.tar.gz

Summary: Imported nxcomp-3.1.0-4.tar.gz
Keywords:

Imported nxcomp-3.1.0-4.tar.gz
into Git repository
---
 nxcomp/Rgb.cpp | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100755 nxcomp/Rgb.cpp

(limited to 'nxcomp/Rgb.cpp')

diff --git a/nxcomp/Rgb.cpp b/nxcomp/Rgb.cpp
new file mode 100755
index 000000000..5a69b0f44
--- /dev/null
+++ b/nxcomp/Rgb.cpp
@@ -0,0 +1,94 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMP, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of NoMachine S.r.l.                    */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "Misc.h"
+#include "Rgb.h"
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+
+int UnpackRgb(T_geometry *geometry, unsigned char method, unsigned char *src_data,
+                  int src_size, int dst_bpp, int dst_width, int dst_height,
+                      unsigned char *dst_data, int dst_size)
+{
+  if (*src_data == 0)
+  {
+    if (dst_size != src_size - 1)
+    {
+      #ifdef TEST
+      *logofs << "UnpackRgb: PANIC! Invalid destination size "
+              << dst_size << " with source " << src_size
+              << ".\n" << logofs_flush;
+      #endif
+
+      return -1;
+    }
+
+    #ifdef TEST
+    *logofs << "UnpackRgb: Expanding " << src_size - 1
+            << " bytes of plain RGB data.\n" << logofs_flush;
+    #endif
+
+    memcpy(dst_data, src_data + 1, src_size - 1);
+
+    return 1;
+  }
+
+  unsigned int check_size = dst_size;
+
+  int result = ZDecompress(&unpackStream, dst_data, &check_size,
+                               src_data + 1, src_size - 1);
+
+  if (result != Z_OK)
+  {
+    #ifdef PANIC
+    *logofs << "UnpackRgb: PANIC! Failure decompressing RGB data. "
+            << "Error is '" << zError(result) << "'.\n"
+            << logofs_flush;
+    #endif
+
+    cerr << "Error" << ": Failure decompressing RGB data. "
+         << "Error is '" << zError(result) << "'.\n";
+
+    return -1;
+  }
+  else if (check_size != (unsigned int) dst_size)
+  {
+    #ifdef PANIC
+    *logofs << "UnpackRgb: PANIC! Size mismatch in RGB data. "
+            << "Resulting size is " << check_size << " with "
+            << "expected size " << dst_size << ".\n"
+            << logofs_flush;
+    #endif
+
+    cerr << "Error" << ": Size mismatch in RGB data. "
+         << "Resulting size is " << check_size << " with "
+         << "expected size " << dst_size << ".\n";
+
+    return -1;
+  }
+
+  #ifdef TEST
+  *logofs << "UnpackRgb: Decompressed " << src_size - 1
+          << " bytes to " << dst_size << " bytes of RGB data.\n"
+          << logofs_flush;
+  #endif
+
+  return 1;
+}
-- 
cgit v1.2.3