annotate Core/Compression/GzipCompressor.h @ 3883:795c9ca5eb91 transcoding

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 05 May 2020 14:11:47 +0200
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 *
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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 General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #pragma once
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35
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36 #include "DeflateBaseCompressor.h"
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37
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38 namespace Orthanc
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39 {
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40 class GzipCompressor : public DeflateBaseCompressor
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41 {
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42 private:
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43 uint64_t GuessUncompressedSize(const void* compressed,
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44 size_t compressedSize);
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45
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46 public:
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47 GzipCompressor()
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48 {
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49 SetPrefixWithUncompressedSize(false);
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50 }
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51
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52 virtual void Compress(std::string& compressed,
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53 const void* uncompressed,
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54 size_t uncompressedSize);
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55
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56 virtual void Uncompress(std::string& uncompressed,
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57 const void* compressed,
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58 size_t compressedSize);
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59 };
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60 }