Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Compression/DeflateBaseCompressor.cpp @ 5207:e7529e6241d2 db-protobuf
first successful protobuf communication
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 30 Mar 2023 21:31:56 +0200 |
| parents | 0ea402b4d901 |
| children | 48b8dae6dc77 |
| 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 |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 1512 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
| 1512 | 12 * |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 * Lesser General Public License for more details. |
| 1512 | 17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
| 1512 | 21 **/ |
| 22 | |
| 23 | |
| 24 #include "../PrecompiledHeaders.h" | |
| 25 #include "DeflateBaseCompressor.h" | |
| 26 | |
| 27 #include "../OrthancException.h" | |
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28 #include "../Logging.h" |
| 1512 | 29 |
| 1513 | 30 #include <string.h> |
| 31 | |
| 1512 | 32 namespace Orthanc |
| 33 { | |
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34 DeflateBaseCompressor::DeflateBaseCompressor() : |
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35 compressionLevel_(6), |
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36 prefixWithUncompressedSize_(false) |
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37 { |
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38 } |
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39 |
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40 |
| 1512 | 41 void DeflateBaseCompressor::SetCompressionLevel(uint8_t level) |
| 42 { | |
| 43 if (level >= 10) | |
| 44 { | |
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45 throw OrthancException(ErrorCode_ParameterOutOfRange, |
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46 "Zlib compression level must be between 0 (no compression) and 9 (highest compression)"); |
| 1512 | 47 } |
| 48 | |
| 49 compressionLevel_ = level; | |
| 50 } | |
| 1513 | 51 |
| 52 | |
| 53 uint64_t DeflateBaseCompressor::ReadUncompressedSizePrefix(const void* compressed, | |
| 54 size_t compressedSize) | |
| 55 { | |
| 56 if (compressedSize == 0) | |
| 57 { | |
| 58 return 0; | |
| 59 } | |
| 60 | |
| 61 if (compressedSize < sizeof(uint64_t)) | |
| 62 { | |
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63 throw OrthancException(ErrorCode_CorruptedFile, "The compressed buffer is ill-formed"); |
| 1513 | 64 } |
| 65 | |
| 66 uint64_t size; | |
| 67 memcpy(&size, compressed, sizeof(uint64_t)); | |
| 68 | |
| 69 return size; | |
| 70 } | |
| 71 | |
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72 |
| 4297 | 73 void DeflateBaseCompressor::SetPrefixWithUncompressedSize(bool prefix) |
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74 { |
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75 prefixWithUncompressedSize_ = prefix; |
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76 } |
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77 |
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78 bool DeflateBaseCompressor::HasPrefixWithUncompressedSize() const |
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79 { |
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80 return prefixWithUncompressedSize_; |
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81 } |
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82 |
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83 uint8_t DeflateBaseCompressor::GetCompressionLevel() const |
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84 { |
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85 return compressionLevel_; |
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86 } |
| 1512 | 87 } |