Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Images/JpegReader.cpp @ 5345:34781fb0172a
fix unit test Versions.BoostStatic
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 28 Jun 2023 12:40:46 +0200 |
| parents | 0ea402b4d901 |
| children | 48b8dae6dc77 |
| rev | line source |
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| 1604 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
| 1604 | 4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 1604 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
| 1604 | 12 * |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 * Lesser General Public License for more details. |
| 1604 | 17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
| 1604 | 21 **/ |
| 22 | |
| 23 | |
| 24 #include "../PrecompiledHeaders.h" | |
| 25 #include "JpegReader.h" | |
| 26 | |
| 27 #include "JpegErrorManager.h" | |
| 28 #include "../OrthancException.h" | |
| 29 #include "../Logging.h" | |
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30 |
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31 #if ORTHANC_SANDBOXED == 0 |
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32 # include "../SystemToolbox.h" |
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33 #endif |
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34 |
| 1604 | 35 |
| 36 namespace Orthanc | |
| 37 { | |
| 38 static void Uncompress(struct jpeg_decompress_struct& cinfo, | |
| 39 std::string& content, | |
| 40 ImageAccessor& accessor) | |
| 41 { | |
| 2683 | 42 // The "static_cast" is necessary on OS X: |
| 43 // https://github.com/simonfuhrmann/mve/issues/371 | |
| 44 jpeg_read_header(&cinfo, static_cast<boolean>(true)); | |
| 45 | |
| 1604 | 46 jpeg_start_decompress(&cinfo); |
| 47 | |
| 48 PixelFormat format; | |
| 49 if (cinfo.output_components == 1 && | |
| 50 cinfo.out_color_space == JCS_GRAYSCALE) | |
| 51 { | |
| 52 format = PixelFormat_Grayscale8; | |
| 53 } | |
| 54 else if (cinfo.output_components == 3 && | |
| 55 cinfo.out_color_space == JCS_RGB) | |
| 56 { | |
| 57 format = PixelFormat_RGB24; | |
| 58 } | |
| 59 else | |
| 60 { | |
| 61 throw OrthancException(ErrorCode_NotImplemented); | |
| 62 } | |
| 63 | |
| 64 unsigned int pitch = cinfo.output_width * cinfo.output_components; | |
| 65 | |
| 66 /* Make a one-row-high sample array that will go away when done with image */ | |
| 67 JSAMPARRAY buffer = (*cinfo.mem->alloc_sarray) ((j_common_ptr) &cinfo, JPOOL_IMAGE, pitch, 1); | |
| 68 | |
| 69 try | |
| 70 { | |
| 71 content.resize(pitch * cinfo.output_height); | |
| 72 } | |
| 73 catch (...) | |
| 74 { | |
| 75 throw OrthancException(ErrorCode_NotEnoughMemory); | |
| 76 } | |
| 77 | |
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78 accessor.AssignWritable(format, cinfo.output_width, cinfo.output_height, pitch, |
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79 content.empty() ? NULL : &content[0]); |
| 1604 | 80 |
| 81 uint8_t* target = reinterpret_cast<uint8_t*>(&content[0]); | |
| 82 while (cinfo.output_scanline < cinfo.output_height) | |
| 83 { | |
| 84 jpeg_read_scanlines(&cinfo, buffer, 1); | |
| 85 memcpy(target, buffer[0], pitch); | |
| 86 target += pitch; | |
| 87 } | |
| 88 | |
| 89 // Everything went fine, "setjmp()" didn't get called | |
| 90 | |
| 91 jpeg_finish_decompress(&cinfo); | |
| 92 } | |
| 93 | |
| 94 | |
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95 #if ORTHANC_SANDBOXED == 0 |
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96 void JpegReader::ReadFromFile(const std::string& filename) |
| 1604 | 97 { |
| 2140 | 98 FILE* fp = SystemToolbox::OpenFile(filename, FileMode_ReadBinary); |
| 1604 | 99 if (!fp) |
| 100 { | |
| 101 throw OrthancException(ErrorCode_InexistentFile); | |
| 102 } | |
| 103 | |
| 104 struct jpeg_decompress_struct cinfo; | |
| 105 memset(&cinfo, 0, sizeof(struct jpeg_decompress_struct)); | |
| 106 | |
| 107 Internals::JpegErrorManager jerr; | |
| 108 cinfo.err = jerr.GetPublic(); | |
| 109 | |
| 110 if (setjmp(jerr.GetJumpBuffer())) | |
| 111 { | |
| 112 jpeg_destroy_decompress(&cinfo); | |
| 113 fclose(fp); | |
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114 |
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115 throw OrthancException(ErrorCode_InternalError, |
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116 "Error during JPEG decoding: " + jerr.GetMessage()); |
| 1604 | 117 } |
| 118 | |
| 119 // Below this line, we are under the scope of a "setjmp" | |
| 120 | |
| 121 jpeg_create_decompress(&cinfo); | |
| 122 jpeg_stdio_src(&cinfo, fp); | |
| 123 | |
| 124 try | |
| 125 { | |
| 126 Uncompress(cinfo, content_, *this); | |
| 127 } | |
| 128 catch (OrthancException&) | |
| 129 { | |
| 130 jpeg_destroy_decompress(&cinfo); | |
| 131 fclose(fp); | |
| 132 throw; | |
| 133 } | |
| 134 | |
| 135 jpeg_destroy_decompress(&cinfo); | |
| 136 fclose(fp); | |
| 137 } | |
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138 #endif |
| 1604 | 139 |
| 140 | |
| 141 void JpegReader::ReadFromMemory(const void* buffer, | |
| 142 size_t size) | |
| 143 { | |
| 144 struct jpeg_decompress_struct cinfo; | |
| 145 memset(&cinfo, 0, sizeof(struct jpeg_decompress_struct)); | |
| 146 | |
| 147 Internals::JpegErrorManager jerr; | |
| 148 cinfo.err = jerr.GetPublic(); | |
| 149 | |
| 150 if (setjmp(jerr.GetJumpBuffer())) | |
| 151 { | |
| 152 jpeg_destroy_decompress(&cinfo); | |
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153 throw OrthancException(ErrorCode_InternalError, |
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154 "Error during JPEG decoding: " + jerr.GetMessage()); |
| 1604 | 155 } |
| 156 | |
| 157 // Below this line, we are under the scope of a "setjmp" | |
| 158 jpeg_create_decompress(&cinfo); | |
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159 jpeg_mem_src(&cinfo, |
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160 const_cast<unsigned char*>( |
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161 reinterpret_cast<const unsigned char*>(buffer)), |
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162 static_cast<unsigned long>(size)); |
| 1604 | 163 |
| 164 try | |
| 165 { | |
| 166 Uncompress(cinfo, content_, *this); | |
| 167 } | |
| 168 catch (OrthancException&) | |
| 169 { | |
| 170 jpeg_destroy_decompress(&cinfo); | |
| 171 throw; | |
| 172 } | |
| 173 | |
| 174 jpeg_destroy_decompress(&cinfo); | |
| 175 } | |
| 176 | |
| 177 | |
| 178 void JpegReader::ReadFromMemory(const std::string& buffer) | |
| 179 { | |
| 180 if (buffer.empty()) | |
| 181 { | |
| 182 ReadFromMemory(NULL, 0); | |
| 183 } | |
| 184 else | |
| 185 { | |
| 186 ReadFromMemory(buffer.c_str(), buffer.size()); | |
| 187 } | |
| 188 } | |
| 189 } |