Mercurial > hg > orthanc-wsi
annotate Framework/ImageToolbox.cpp @ 312:0683312e21ba
updated copyright, as Orthanc Team now replaces Osimis
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 30 May 2024 22:11:10 +0200 |
parents | 7020852a8fa9 |
children | 8ad12abde290 |
rev | line source |
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0 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
312
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
0 | 8 * |
9 * This program is free software: you can redistribute it and/or | |
10 * modify it under the terms of the GNU Affero General Public License | |
11 * as published by the Free Software Foundation, either version 3 of | |
12 * the License, or (at your option) any later version. | |
13 * | |
14 * This program is distributed in the hope that it will be useful, but | |
15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 * Affero General Public License for more details. | |
18 * | |
19 * You should have received a copy of the GNU Affero General Public License | |
20 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
21 **/ | |
22 | |
23 | |
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24 #include "PrecompiledHeadersWSI.h" |
0 | 25 #include "ImageToolbox.h" |
26 | |
27 #include "Jpeg2000Reader.h" | |
28 #include "Jpeg2000Writer.h" | |
29 | |
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30 #include <Compatibility.h> // For std::unique_ptr |
192 | 31 #include <OrthancException.h> |
32 #include <Images/ImageProcessing.h> | |
33 #include <Images/PngReader.h> | |
34 #include <Images/PngWriter.h> | |
35 #include <Images/JpegReader.h> | |
36 #include <Images/JpegWriter.h> | |
37 #include <Logging.h> | |
0 | 38 |
39 #include <string.h> | |
40 #include <memory> | |
41 | |
42 | |
43 namespace OrthancWSI | |
44 { | |
45 namespace ImageToolbox | |
46 { | |
47 Orthanc::ImageAccessor* Allocate(Orthanc::PixelFormat format, | |
48 unsigned int width, | |
49 unsigned int height) | |
50 { | |
51 return new Orthanc::Image(format, width, height, false); | |
52 } | |
53 | |
54 | |
216 | 55 void Embed(const Orthanc::ImageAccessor& target, |
0 | 56 const Orthanc::ImageAccessor& source, |
57 unsigned int x, | |
58 unsigned int y) | |
59 { | |
60 if (target.GetFormat() != source.GetFormat()) | |
61 { | |
62 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
63 } | |
64 | |
65 if (x >= target.GetWidth() || | |
66 y >= target.GetHeight()) | |
67 { | |
68 return; | |
69 } | |
70 | |
71 unsigned int h = std::min(source.GetHeight(), target.GetHeight() - y); | |
72 unsigned int w = std::min(source.GetWidth(), target.GetWidth() - x); | |
73 | |
154 | 74 Orthanc::ImageAccessor targetRegion, sourceRegion; |
75 target.GetRegion(targetRegion, x, y, w, h); | |
76 source.GetRegion(sourceRegion, 0, 0, w, h); | |
77 | |
0 | 78 Orthanc::ImageProcessing::Copy(targetRegion, sourceRegion); |
79 } | |
80 | |
81 | |
82 | |
83 void Set(Orthanc::ImageAccessor& image, | |
84 uint8_t r, | |
85 uint8_t g, | |
86 uint8_t b) | |
87 { | |
88 switch (image.GetFormat()) | |
89 { | |
90 case Orthanc::PixelFormat_Grayscale8: | |
91 { | |
228
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92 #if ORTHANC_FRAMEWORK_VERSION_IS_ABOVE(1, 9, 0) |
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93 Orthanc::ImageProcessing::Set(image, r, g, b, 0 /* alpha is ignored */); |
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94 #else |
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95 uint8_t grayscale = (2126 * static_cast<uint16_t>(r) + |
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96 7152 * static_cast<uint16_t>(g) + |
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97 0722 * static_cast<uint16_t>(b)) / 10000; |
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98 Orthanc::ImageProcessing::Set(image, grayscale); |
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99 #endif |
0 | 100 break; |
101 } | |
102 | |
103 case Orthanc::PixelFormat_RGB24: | |
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104 Orthanc::ImageProcessing::Set(image, r, g, b, 0 /* alpha is ignored */); |
0 | 105 break; |
106 | |
107 default: | |
108 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
109 } | |
110 } | |
111 | |
112 | |
113 Orthanc::ImageAccessor* DecodeTile(const std::string& source, | |
114 ImageCompression compression) | |
115 { | |
116 switch (compression) | |
117 { | |
118 case ImageCompression_Png: | |
119 { | |
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120 std::unique_ptr<Orthanc::PngReader> reader(new Orthanc::PngReader); |
0 | 121 reader->ReadFromMemory(source); |
122 return reader.release(); | |
123 } | |
124 | |
125 case ImageCompression_Jpeg: | |
126 { | |
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127 std::unique_ptr<Orthanc::JpegReader> reader(new Orthanc::JpegReader); |
0 | 128 reader->ReadFromMemory(source); |
129 return reader.release(); | |
130 } | |
131 | |
132 case ImageCompression_Jpeg2000: | |
133 { | |
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134 std::unique_ptr<Jpeg2000Reader> reader(new Jpeg2000Reader); |
0 | 135 reader->ReadFromMemory(source); |
136 return reader.release(); | |
137 } | |
138 | |
139 default: | |
140 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
141 } | |
142 } | |
143 | |
144 | |
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145 Orthanc::ImageAccessor* DecodeRawTile(const std::string& source, |
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146 Orthanc::PixelFormat format, |
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147 unsigned int width, |
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148 unsigned int height) |
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149 { |
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150 unsigned int bpp = GetBytesPerPixel(format); |
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151 |
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152 if (bpp * width * height != source.size()) |
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153 { |
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154 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); |
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155 } |
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156 |
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157 Orthanc::ImageAccessor accessor; |
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158 accessor.AssignReadOnly(format, width, height, bpp * width, source.empty() ? NULL : source.c_str()); |
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159 |
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160 return Orthanc::Image::Clone(accessor); |
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161 } |
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162 |
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163 |
0 | 164 void EncodeTile(std::string& target, |
165 const Orthanc::ImageAccessor& source, | |
166 ImageCompression compression, | |
167 uint8_t quality) | |
168 { | |
169 if (compression == ImageCompression_None) | |
170 { | |
171 unsigned int pitch = GetBytesPerPixel(source.GetFormat()) * source.GetWidth(); | |
172 target.resize(pitch * source.GetHeight()); | |
173 | |
210 | 174 const unsigned int height = source.GetHeight(); |
175 for (unsigned int i = 0; i < height; i++) | |
0 | 176 { |
177 memcpy(&target[i * pitch], source.GetConstRow(i), pitch); | |
178 } | |
179 } | |
180 else | |
181 { | |
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182 std::unique_ptr<Orthanc::IImageWriter> writer; |
0 | 183 |
184 switch (compression) | |
185 { | |
186 case ImageCompression_Png: | |
187 writer.reset(new Orthanc::PngWriter); | |
188 break; | |
189 | |
190 case ImageCompression_Jpeg: | |
191 writer.reset(new Orthanc::JpegWriter); | |
192 dynamic_cast<Orthanc::JpegWriter&>(*writer).SetQuality(quality); | |
193 break; | |
194 | |
195 case ImageCompression_Jpeg2000: | |
196 writer.reset(new Jpeg2000Writer); | |
197 break; | |
198 | |
199 default: | |
200 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
201 } | |
202 | |
211 | 203 Orthanc::IImageWriter::WriteToMemory(*writer, target, source); |
0 | 204 } |
205 } | |
206 | |
207 | |
208 void ChangeTileCompression(std::string& target, | |
209 const std::string& source, | |
210 ImageCompression sourceCompression, | |
211 ImageCompression targetCompression, | |
212 uint8_t quality) | |
213 { | |
214 if (sourceCompression == targetCompression) | |
215 { | |
216 target = source; | |
217 } | |
218 else | |
219 { | |
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220 std::unique_ptr<Orthanc::ImageAccessor> decoded(DecodeTile(source, sourceCompression)); |
0 | 221 EncodeTile(target, *decoded, targetCompression, quality); |
222 } | |
223 } | |
224 | |
225 | |
226 Orthanc::ImageAccessor* Render(ITiledPyramid& pyramid, | |
227 unsigned int level) | |
228 { | |
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229 std::unique_ptr<Orthanc::ImageAccessor> result(Allocate(pyramid.GetPixelFormat(), |
209 | 230 pyramid.GetLevelWidth(level), |
231 pyramid.GetLevelHeight(level))); | |
232 | |
233 LOG(INFO) << "Rendering a tiled image of size " | |
234 << result->GetWidth() << "x" << result->GetHeight(); | |
0 | 235 |
209 | 236 const unsigned int width = result->GetWidth(); |
237 const unsigned int height = result->GetHeight(); | |
238 | |
217
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239 for (unsigned int y = 0; y < height; y += pyramid.GetTileHeight(level)) |
0 | 240 { |
217
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241 for (unsigned int x = 0; x < width; x += pyramid.GetTileWidth(level)) |
0 | 242 { |
217
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243 std::unique_ptr<Orthanc::ImageAccessor> tile( |
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244 pyramid.DecodeTile(level, |
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245 x / pyramid.GetTileWidth(level), |
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246 y / pyramid.GetTileHeight(level))); |
0 | 247 Embed(*result, *tile, x, y); |
248 } | |
249 } | |
250 | |
251 return result.release(); | |
252 } | |
217
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255 void CheckConstantTileSize(const ITiledPyramid& source) |
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256 { |
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257 if (source.GetLevelCount() == 0) |
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258 { |
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259 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize, |
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260 "Input pyramid has no level"); |
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261 } |
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262 else |
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263 { |
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264 for (unsigned int level = 0; level < source.GetLevelCount(); level++) |
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265 { |
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266 if (source.GetTileWidth(level) != source.GetTileWidth(0) || |
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267 source.GetTileHeight(level) != source.GetTileHeight(0)) |
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268 { |
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269 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize, |
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270 "The DICOMizer requires that the input pyramid has constant " |
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271 "tile sizes across all its levels, which is not the case"); |
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272 } |
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273 } |
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274 } |
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275 } |
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276 |
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277 |
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278 void ConvertJpegYCbCrToRgb(Orthanc::ImageAccessor& image) |
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279 { |
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280 #if defined(ORTHANC_FRAMEWORK_VERSION_IS_ABOVE) && ORTHANC_FRAMEWORK_VERSION_IS_ABOVE(1, 9, 0) |
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281 Orthanc::ImageProcessing::ConvertJpegYCbCrToRgb(image); |
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282 #else |
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283 # if defined(__GNUC__) || defined(__clang__) |
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284 # warning You are using an old version of the Orthanc framework |
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285 # endif |
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286 const unsigned int width = image.GetWidth(); |
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287 const unsigned int height = image.GetHeight(); |
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288 const unsigned int pitch = image.GetPitch(); |
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289 uint8_t* buffer = reinterpret_cast<uint8_t*>(image.GetBuffer()); |
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290 |
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291 if (image.GetFormat() != Orthanc::PixelFormat_RGB24 || |
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292 pitch < 3 * width) |
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293 { |
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294 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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295 } |
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296 |
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297 for (unsigned int y = 0; y < height; y++) |
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298 { |
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299 uint8_t* p = buffer + y * pitch; |
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300 |
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301 for (unsigned int x = 0; x < width; x++, p += 3) |
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302 { |
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303 const float Y = p[0]; |
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304 const float Cb = p[1]; |
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305 const float Cr = p[2]; |
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306 |
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307 const float result[3] = { |
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308 Y + 1.402f * (Cr - 128.0f), |
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309 Y - 0.344136f * (Cb - 128.0f) - 0.714136f * (Cr - 128.0f), |
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310 Y + 1.772f * (Cb - 128.0f) |
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311 }; |
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312 |
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313 for (uint8_t i = 0; i < 3 ; i++) |
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314 { |
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315 if (result[i] < 0) |
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316 { |
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317 p[i] = 0; |
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318 } |
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319 else if (result[i] > 255) |
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320 { |
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321 p[i] = 255; |
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322 } |
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323 else |
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324 { |
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325 p[i] = static_cast<uint8_t>(result[i]); |
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326 } |
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327 } |
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328 } |
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329 } |
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330 #endif |
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331 } |
0 | 332 } |
333 } |