Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Compression/DeflateBaseCompressor.cpp @ 5666:aa231c18b9d2 find-refactoring
adding computed tags
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 04 Jul 2024 18:31:54 +0200 |
| parents | f7adfb22e20e |
| children |
| 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) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 1512 | 8 * |
| 9 * This program is free software: you can redistribute it and/or | |
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10 * modify it under the terms of the GNU Lesser General Public License |
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11 * as published by the Free Software Foundation, either version 3 of |
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12 * the License, or (at your option) any later version. |
| 1512 | 13 * |
| 14 * This program is distributed in the hope that it will be useful, but | |
| 15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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17 * Lesser General Public License for more details. |
| 1512 | 18 * |
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19 * You should have received a copy of the GNU Lesser General Public |
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20 * License along with this program. If not, see |
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21 * <http://www.gnu.org/licenses/>. |
| 1512 | 22 **/ |
| 23 | |
| 24 | |
| 25 #include "../PrecompiledHeaders.h" | |
| 26 #include "DeflateBaseCompressor.h" | |
| 27 | |
| 28 #include "../OrthancException.h" | |
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29 #include "../Logging.h" |
| 1512 | 30 |
| 1513 | 31 #include <string.h> |
| 32 | |
| 1512 | 33 namespace Orthanc |
| 34 { | |
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35 DeflateBaseCompressor::DeflateBaseCompressor() : |
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36 compressionLevel_(6), |
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37 prefixWithUncompressedSize_(false) |
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38 { |
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39 } |
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40 |
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41 |
| 1512 | 42 void DeflateBaseCompressor::SetCompressionLevel(uint8_t level) |
| 43 { | |
| 44 if (level >= 10) | |
| 45 { | |
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46 throw OrthancException(ErrorCode_ParameterOutOfRange, |
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47 "Zlib compression level must be between 0 (no compression) and 9 (highest compression)"); |
| 1512 | 48 } |
| 49 | |
| 50 compressionLevel_ = level; | |
| 51 } | |
| 1513 | 52 |
| 53 | |
| 54 uint64_t DeflateBaseCompressor::ReadUncompressedSizePrefix(const void* compressed, | |
| 55 size_t compressedSize) | |
| 56 { | |
| 57 if (compressedSize == 0) | |
| 58 { | |
| 59 return 0; | |
| 60 } | |
| 61 | |
| 62 if (compressedSize < sizeof(uint64_t)) | |
| 63 { | |
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64 throw OrthancException(ErrorCode_CorruptedFile, "The compressed buffer is ill-formed"); |
| 1513 | 65 } |
| 66 | |
| 67 uint64_t size; | |
| 68 memcpy(&size, compressed, sizeof(uint64_t)); | |
| 69 | |
| 70 return size; | |
| 71 } | |
| 72 | |
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73 |
| 4297 | 74 void DeflateBaseCompressor::SetPrefixWithUncompressedSize(bool prefix) |
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75 { |
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76 prefixWithUncompressedSize_ = prefix; |
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77 } |
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78 |
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79 bool DeflateBaseCompressor::HasPrefixWithUncompressedSize() const |
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80 { |
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81 return prefixWithUncompressedSize_; |
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82 } |
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83 |
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84 uint8_t DeflateBaseCompressor::GetCompressionLevel() const |
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85 { |
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86 return compressionLevel_; |
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87 } |
| 1512 | 88 } |