annotate OrthancFramework/Sources/Images/JpegErrorManager.h @ 4181:b416b6bf129b

clarification of sdk doc about deadlocks
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 08 Sep 2020 09:16:33 +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 Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22 #pragma once
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23
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24 #if !defined(ORTHANC_ENABLE_JPEG)
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25 # error The macro ORTHANC_ENABLE_JPEG must be defined
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26 #endif
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27
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28 #if ORTHANC_ENABLE_JPEG != 1
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29 # error JPEG support must be enabled to include this file
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30 #endif
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31
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32 #include <string.h>
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33 #include <stdio.h>
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34 #include <jpeglib.h>
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35 #include <setjmp.h>
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36 #include <string>
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37
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38 namespace Orthanc
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39 {
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40 namespace Internals
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41 {
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42 class JpegErrorManager
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43 {
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44 private:
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45 struct jpeg_error_mgr pub; /* "public" fields */
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46 jmp_buf setjmp_buffer; /* for return to caller */
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47 std::string message;
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48
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49 static void OutputMessage(j_common_ptr cinfo);
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50
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51 static void ErrorExit(j_common_ptr cinfo);
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52
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53 public:
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54 JpegErrorManager();
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55
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56 struct jpeg_error_mgr* GetPublic()
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57 {
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58 return &pub;
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59 }
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60
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61 jmp_buf& GetJumpBuffer()
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62 {
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63 return setjmp_buffer;
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64 }
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65
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66 const std::string& GetMessage() const
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67 {
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68 return message;
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69 }
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70 };
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71 }
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72 }