Merge branch 'sunweaver-pr/nxcomp-autoreconf' into 3.6.x

Attributes GH PR #480: https://github.com/ArcticaProject/nx-libs/pull/480

1 files changed, 118 insertions, 0 deletions

diff --git a/nxcomp/src/Bitmap.cpp b/nxcomp/src/Bitmap.cpp
new file mode 100644
index 000000000..c89df53e3
--- /dev/null
+++ b/nxcomp/src/Bitmap.cpp
@@ -0,0 +1,118 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com)          */
+/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de>  */
+/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de>                 */
+/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de>                */
+/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
+/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com)           */
+/*                                                                        */
+/* NXCOMP, NX protocol compression and NX extensions to this software     */
+/* are copyright of the aforementioned persons and companies.             */
+/*                                                                        */
+/* Redistribution and use of the present software is allowed according    */
+/* to terms specified in the file LICENSE.nxcomp which comes in the       */
+/* source distribution.                                                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/* NOTE: This software has received contributions from various other      */
+/* contributors, only the core maintainers and supporters are listed as   */
+/* copyright holders. Please contact us, if you feel you should be listed */
+/* as copyright holder, as well.                                          */
+/*                                                                        */
+/**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "Misc.h"
+#include "Bitmap.h"
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+
+int UnpackBitmap(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 (dst_bpp != 32)
+  {
+    #ifdef TEST
+    *logofs << "UnpackBitmap: Nothing to do with "
+            << "image of " << dst_bpp << " bits per plane "
+            << "and size " << src_size << ".\n"
+            << logofs_flush;
+    #endif
+
+    if (src_size != dst_size)
+    {
+      #ifdef PANIC
+      *logofs << "UnpackBitmap: PANIC! Size mismatch with "
+              << src_size << " bytes in the source and "
+              << dst_size << " in the destination.\n"
+              << logofs_flush;
+      #endif
+
+      return -1;
+    }
+
+    memcpy(dst_data, src_data, src_size);
+
+    return 1;
+  }
+  else if (src_size != dst_width * dst_height * 3 ||
+               dst_size != dst_width * dst_height * 4)
+  {
+    #ifdef PANIC
+    *logofs << "UnpackBitmap: PANIC! Size mismatch with "
+            << src_size << " bytes in the source and "
+            << dst_size << " in the destination.\n"
+            << logofs_flush;
+    #endif
+
+    return -1;
+  }
+
+  /*
+   * Insert the 4th byte in the bitmap.
+   */
+
+  unsigned char *next_src = src_data;
+  unsigned char *next_dst = dst_data;
+
+  if (geometry -> image_byte_order == LSBFirst)
+  {
+    while (next_src < src_data + src_size)
+    {
+      *next_dst++ = *next_src++;
+      *next_dst++ = *next_src++;
+      *next_dst++ = *next_src++;
+
+      next_dst++;
+    }
+  }
+  else
+  {
+    while (next_src < src_data + src_size)
+    {
+      next_dst++;
+
+      *next_dst++ = *next_src++;
+      *next_dst++ = *next_src++;
+      *next_dst++ = *next_src++;
+    }
+  }
+
+  #ifdef TEST
+  *logofs << "UnpackBitmap: Unpacked " << src_size
+          << " bytes to a buffer of " << dst_size
+          << " with " << dst_bpp << " bits per plane.\n"
+          << logofs_flush;
+  #endif
+
+  return 1;
+}