Mercurial > hg > orthanc-stone
annotate Resources/Orthanc/Core/Compression/DeflateBaseCompressor.cpp @ 59:d2adc6189a95 wasm
refactoring
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 10 May 2017 11:34:06 +0200 |
| parents | 7207a407bcd8 |
| children |
| rev | line source |
|---|---|
| 1 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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changeset
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5 * Copyright (C) 2017 Osimis, Belgium |
| 1 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU General Public License as | |
| 9 * published by the Free Software Foundation, either version 3 of the | |
| 10 * License, or (at your option) any later version. | |
| 11 * | |
| 12 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 23 * | |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
| 34 #include "../PrecompiledHeaders.h" | |
| 35 #include "DeflateBaseCompressor.h" | |
| 36 | |
| 37 #include "../OrthancException.h" | |
| 38 #include "../Logging.h" | |
| 39 | |
| 40 #include <string.h> | |
| 41 | |
| 42 namespace Orthanc | |
| 43 { | |
| 44 void DeflateBaseCompressor::SetCompressionLevel(uint8_t level) | |
| 45 { | |
| 46 if (level >= 10) | |
| 47 { | |
| 48 LOG(ERROR) << "Zlib compression level must be between 0 (no compression) and 9 (highest compression)"; | |
| 49 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 50 } | |
| 51 | |
| 52 compressionLevel_ = level; | |
| 53 } | |
| 54 | |
| 55 | |
| 56 uint64_t DeflateBaseCompressor::ReadUncompressedSizePrefix(const void* compressed, | |
| 57 size_t compressedSize) | |
| 58 { | |
| 59 if (compressedSize == 0) | |
| 60 { | |
| 61 return 0; | |
| 62 } | |
| 63 | |
| 64 if (compressedSize < sizeof(uint64_t)) | |
| 65 { | |
| 66 LOG(ERROR) << "The compressed buffer is ill-formed"; | |
| 67 throw OrthancException(ErrorCode_CorruptedFile); | |
| 68 } | |
| 69 | |
| 70 uint64_t size; | |
| 71 memcpy(&size, compressed, sizeof(uint64_t)); | |
| 72 | |
| 73 return size; | |
| 74 } | |
| 75 | |
| 76 } |