From 3e924126b56c4d421e8263d25f6b14aa4ceed047 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler 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/Alpha.cpp | 125 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100755 nxcomp/Alpha.cpp (limited to 'nxcomp/Alpha.cpp') diff --git a/nxcomp/Alpha.cpp b/nxcomp/Alpha.cpp new file mode 100755 index 000000000..546345500 --- /dev/null +++ b/nxcomp/Alpha.cpp @@ -0,0 +1,125 @@ +/**************************************************************************/ +/* */ +/* 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 "Unpack.h" + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG + +int UnpackAlpha(unsigned char method, unsigned char *src_data, int src_size, + unsigned char *dst_data, int dst_size) +{ + if (*src_data == 0) + { + if (dst_size != src_size - 1) + { + #ifdef TEST + *logofs << "UnpackAlpha: PANIC! Invalid destination size " + << dst_size << " with source " << src_size + << ".\n" << logofs_flush; + #endif + + return -1; + } + + #ifdef TEST + *logofs << "UnpackAlpha: Expanding " << src_size - 1 + << " bytes of plain alpha 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 << "UnpackAlpha: PANIC! Failure decompressing alpha data. " + << "Error is '" << zError(result) << "'.\n" + << logofs_flush; + #endif + + cerr << "Error" << ": Failure decompressing alpha data. " + << "Error is '" << zError(result) << "'.\n"; + + return -1; + } + else if (check_size != (unsigned int) dst_size) + { + #ifdef PANIC + *logofs << "UnpackAlpha: PANIC! Size mismatch in alpha data. " + << "Resulting size is " << check_size << " with " + << "expected size " << dst_size << ".\n" + << logofs_flush; + #endif + + cerr << "Error" << ": Size mismatch in alpha data. " + << "Resulting size is " << check_size << " with " + << "expected size " << dst_size << ".\n"; + + return -1; + } + + #ifdef TEST + *logofs << "UnpackAlpha: Decompressed " << src_size - 1 + << " bytes to " << dst_size << " bytes of alpha data.\n" + << logofs_flush; + #endif + + return 1; +} + +int UnpackAlpha(T_alpha *alpha, unsigned char *dst_data, + int dst_size, int big_endian) +{ + unsigned int count = dst_size >> 2; + + unsigned int i; + + int shift; + + if (count != alpha -> entries) + { + #ifdef WARNING + *logofs << "UnpackAlpha: WARNING! Not applying the alpha with " + << count << " elements needed and " << alpha -> entries + << " available.\n" << logofs_flush; + #endif + + return 0; + } + + shift = (big_endian == 1 ? 0 : 3); + + for (i = 0; i < count; i++) + { + *(dst_data + shift) = *(alpha -> data + i); + + dst_data += 4; + } + + return 1; +} -- cgit v1.2.3 From 799bf672a3588f205bd18ef39d9908069e0cd6d5 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Sun, 13 Nov 2011 09:27:52 +0100 Subject: Imported nxcomp-3.4.0-1.tar.gz Summary: Imported nxcomp-3.4.0-1.tar.gz Keywords: Imported nxcomp-3.4.0-1.tar.gz into Git repository --- nxcomp/Alpha.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) mode change 100755 => 100644 nxcomp/Alpha.cpp (limited to 'nxcomp/Alpha.cpp') diff --git a/nxcomp/Alpha.cpp b/nxcomp/Alpha.cpp old mode 100755 new mode 100644 index 546345500..85852bfa9 --- a/nxcomp/Alpha.cpp +++ b/nxcomp/Alpha.cpp @@ -1,6 +1,6 @@ /**************************************************************************/ /* */ -/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */ +/* Copyright (c) 2001, 2009 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 */ @@ -9,7 +9,7 @@ /* */ /* Check http://www.nomachine.com/licensing.html for applicability. */ /* */ -/* NX and NoMachine are trademarks of NoMachine S.r.l. */ +/* NX and NoMachine are trademarks of Medialogic S.p.A. */ /* */ /* All rights reserved. */ /* */ -- cgit v1.2.3 From 477961678194817aaf1aaf3602f1c91d288a539d Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Sun, 13 Nov 2011 09:27:53 +0100 Subject: Imported nxcomp-3.4.0-6.tar.gz Summary: Imported nxcomp-3.4.0-6.tar.gz Keywords: Imported nxcomp-3.4.0-6.tar.gz into Git repository --- nxcomp/Alpha.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'nxcomp/Alpha.cpp') diff --git a/nxcomp/Alpha.cpp b/nxcomp/Alpha.cpp index 85852bfa9..931101495 100644 --- a/nxcomp/Alpha.cpp +++ b/nxcomp/Alpha.cpp @@ -1,6 +1,6 @@ /**************************************************************************/ /* */ -/* Copyright (c) 2001, 2009 NoMachine, http://www.nomachine.com/. */ +/* Copyright (c) 2001, 2010 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 */ @@ -17,6 +17,7 @@ #include "Misc.h" #include "Unpack.h" +#include "Alpha.h" #define PANIC #define WARNING -- cgit v1.2.3