Mercurial > hg > orthanc
annotate Core/Compression/DeflateBaseCompressor.cpp @ 2161:7219cdce7bba
spelling: negociate -> negotiate
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 21 Nov 2016 09:19:53 +0100 |
parents | b1291df2f780 |
children | a3a65de1840f |
rev | line source |
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1512 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1512 | 4 * Department, University Hospital of Liege, Belgium |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #include "../PrecompiledHeaders.h" | |
34 #include "DeflateBaseCompressor.h" | |
35 | |
36 #include "../OrthancException.h" | |
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37 #include "../Logging.h" |
1512 | 38 |
1513 | 39 #include <string.h> |
40 | |
1512 | 41 namespace Orthanc |
42 { | |
43 void DeflateBaseCompressor::SetCompressionLevel(uint8_t level) | |
44 { | |
45 if (level >= 10) | |
46 { | |
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47 LOG(ERROR) << "Zlib compression level must be between 0 (no compression) and 9 (highest compression)"; |
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48 throw OrthancException(ErrorCode_ParameterOutOfRange); |
1512 | 49 } |
50 | |
51 compressionLevel_ = level; | |
52 } | |
1513 | 53 |
54 | |
55 uint64_t DeflateBaseCompressor::ReadUncompressedSizePrefix(const void* compressed, | |
56 size_t compressedSize) | |
57 { | |
58 if (compressedSize == 0) | |
59 { | |
60 return 0; | |
61 } | |
62 | |
63 if (compressedSize < sizeof(uint64_t)) | |
64 { | |
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65 LOG(ERROR) << "The compressed buffer is ill-formed"; |
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66 throw OrthancException(ErrorCode_CorruptedFile); |
1513 | 67 } |
68 | |
69 uint64_t size; | |
70 memcpy(&size, compressed, sizeof(uint64_t)); | |
71 | |
72 return size; | |
73 } | |
74 | |
1512 | 75 } |