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comparison Framework/Orthanc/Core/Compression/DeflateBaseCompressor.h @ 1:2dbe613f6c93

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add orthanc core
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:39:01 +0200
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0:351ab0da0150 1:2dbe613f6c93
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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 #pragma once
34
35 #include "IBufferCompressor.h"
36
37 #include <stdint.h>
38
39 namespace Orthanc
40 {
41 class DeflateBaseCompressor : public IBufferCompressor
42 {
43 private:
44 uint8_t compressionLevel_;
45 bool prefixWithUncompressedSize_;
46
47 protected:
48 uint64_t ReadUncompressedSizePrefix(const void* compressed,
49 size_t compressedSize);
50
51 public:
52 DeflateBaseCompressor() :
53 compressionLevel_(6),
54 prefixWithUncompressedSize_(false)
55 {
56 }
57
58 void SetCompressionLevel(uint8_t level);
59
60 void SetPrefixWithUncompressedSize(bool prefix)
61 {
62 prefixWithUncompressedSize_ = prefix;
63 }
64
65 bool HasPrefixWithUncompressedSize() const
66 {
67 return prefixWithUncompressedSize_;
68 }
69
70 uint8_t GetCompressionLevel() const
71 {
72 return compressionLevel_;
73 }
74 };
75 }