|
1512
|
1 /**
|
|
|
2 * Orthanc - A Lightweight, RESTful DICOM Store
|
|
|
3 * Copyright (C) 2012-2015 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
|
|
1513
|
47 protected:
|
|
|
48 uint64_t ReadUncompressedSizePrefix(const void* compressed,
|
|
|
49 size_t compressedSize);
|
|
|
50
|
|
1512
|
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 }
|
