Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Compression/DeflateBaseCompressor.cpp @ 4226:7bd5eab3ba25
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Sun, 04 Oct 2020 13:23:53 +0200 |
| parents | bf7b9edf6b81 |
| children | ab4d015af660 |
| rev | line source |
|---|---|
| 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) 2017-2020 Osimis S.A., Belgium |
| 1512 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
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8 * modify it under the terms of the GNU Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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bf7b9edf6b81
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parents:
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10 * the License, or (at your option) any later version. |
| 1512 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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parents:
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15 * Lesser General Public License for more details. |
| 1512 | 16 * |
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parents:
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17 * You should have received a copy of the GNU Lesser General Public |
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bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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18 * License along with this program. If not, see |
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bf7b9edf6b81
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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19 * <http://www.gnu.org/licenses/>. |
| 1512 | 20 **/ |
| 21 | |
| 22 | |
| 23 #include "../PrecompiledHeaders.h" | |
| 24 #include "DeflateBaseCompressor.h" | |
| 25 | |
| 26 #include "../OrthancException.h" | |
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27 #include "../Logging.h" |
| 1512 | 28 |
| 1513 | 29 #include <string.h> |
| 30 | |
| 1512 | 31 namespace Orthanc |
| 32 { | |
| 33 void DeflateBaseCompressor::SetCompressionLevel(uint8_t level) | |
| 34 { | |
| 35 if (level >= 10) | |
| 36 { | |
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37 throw OrthancException(ErrorCode_ParameterOutOfRange, |
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38 "Zlib compression level must be between 0 (no compression) and 9 (highest compression)"); |
| 1512 | 39 } |
| 40 | |
| 41 compressionLevel_ = level; | |
| 42 } | |
| 1513 | 43 |
| 44 | |
| 45 uint64_t DeflateBaseCompressor::ReadUncompressedSizePrefix(const void* compressed, | |
| 46 size_t compressedSize) | |
| 47 { | |
| 48 if (compressedSize == 0) | |
| 49 { | |
| 50 return 0; | |
| 51 } | |
| 52 | |
| 53 if (compressedSize < sizeof(uint64_t)) | |
| 54 { | |
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55 throw OrthancException(ErrorCode_CorruptedFile, "The compressed buffer is ill-formed"); |
| 1513 | 56 } |
| 57 | |
| 58 uint64_t size; | |
| 59 memcpy(&size, compressed, sizeof(uint64_t)); | |
| 60 | |
| 61 return size; | |
| 62 } | |
| 63 | |
| 1512 | 64 } |