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authorMihai Moldovan <ionic@ionic.de>2017-07-26 10:38:46 +0200
committerMihai Moldovan <ionic@ionic.de>2017-07-26 10:38:46 +0200
commit7897834ce578dc394649ed09acb9f95fc04915ff (patch)
treea0bcbfa2c4ae1111ad3d49390c7abd0ae3a9a2ed /nxcomp/src/Bitmap.cpp
parent9193d11eeeea933e293acd5e0f03fa4e9887186b (diff)
parent4afc641fdd8c03bd708f50e0c3691b5de7ea1dba (diff)
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Merge branch 'sunweaver-pr/nxcomp-autoreconf' into 3.6.x
Attributes GH PR #480: https://github.com/ArcticaProject/nx-libs/pull/480
Diffstat (limited to 'nxcomp/src/Bitmap.cpp')
-rw-r--r--nxcomp/src/Bitmap.cpp118
1 files changed, 118 insertions, 0 deletions
diff --git a/nxcomp/src/Bitmap.cpp b/nxcomp/src/Bitmap.cpp
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+/**************************************************************************/
+/* */
+/* 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;
+}