comparison Core/Compression/GzipCompressor.h @ 1513:fe07f82d83d3

gzip compression
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 10 Aug 2015 16:01:37 +0200
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children b1291df2f780
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1512:52dc56bcec7d 1513:fe07f82d83d3
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 "DeflateBaseCompressor.h"
36
37 namespace Orthanc
38 {
39 class GzipCompressor : public DeflateBaseCompressor
40 {
41 private:
42 uint64_t GuessUncompressedSize(const void* compressed,
43 size_t compressedSize);
44
45 public:
46 GzipCompressor()
47 {
48 SetPrefixWithUncompressedSize(false);
49 }
50
51 virtual void Compress(std::string& compressed,
52 const void* uncompressed,
53 size_t uncompressedSize);
54
55 virtual void Uncompress(std::string& uncompressed,
56 const void* compressed,
57 size_t compressedSize);
58 };
59 }