Mercurial > hg > orthanc-wsi
annotate Framework/ImageToolbox.cpp @ 229:d9bd12e3747a
use Orthanc::ImageProcessing::Halve() instead of ImageToolbox::Halve()
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 13 Jan 2021 17:40:56 +0100 |
parents | c6e7dda9ac14 |
children | c0a554576721 |
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 | |
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
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22 #include "PrecompiledHeadersWSI.h" |
0 | 23 #include "ImageToolbox.h" |
24 | |
25 #include "Jpeg2000Reader.h" | |
26 #include "Jpeg2000Writer.h" | |
27 | |
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28 #include <Compatibility.h> // For std::unique_ptr |
192 | 29 #include <OrthancException.h> |
30 #include <Images/ImageProcessing.h> | |
31 #include <Images/PngReader.h> | |
32 #include <Images/PngWriter.h> | |
33 #include <Images/JpegReader.h> | |
34 #include <Images/JpegWriter.h> | |
35 #include <Logging.h> | |
0 | 36 |
37 #include <string.h> | |
38 #include <memory> | |
39 | |
40 | |
41 namespace OrthancWSI | |
42 { | |
43 namespace ImageToolbox | |
44 { | |
45 Orthanc::ImageAccessor* Allocate(Orthanc::PixelFormat format, | |
46 unsigned int width, | |
47 unsigned int height) | |
48 { | |
49 return new Orthanc::Image(format, width, height, false); | |
50 } | |
51 | |
52 | |
216 | 53 void Embed(const Orthanc::ImageAccessor& target, |
0 | 54 const Orthanc::ImageAccessor& source, |
55 unsigned int x, | |
56 unsigned int y) | |
57 { | |
58 if (target.GetFormat() != source.GetFormat()) | |
59 { | |
60 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
61 } | |
62 | |
63 if (x >= target.GetWidth() || | |
64 y >= target.GetHeight()) | |
65 { | |
66 return; | |
67 } | |
68 | |
69 unsigned int h = std::min(source.GetHeight(), target.GetHeight() - y); | |
70 unsigned int w = std::min(source.GetWidth(), target.GetWidth() - x); | |
71 | |
154 | 72 Orthanc::ImageAccessor targetRegion, sourceRegion; |
73 target.GetRegion(targetRegion, x, y, w, h); | |
74 source.GetRegion(sourceRegion, 0, 0, w, h); | |
75 | |
0 | 76 Orthanc::ImageProcessing::Copy(targetRegion, sourceRegion); |
77 } | |
78 | |
79 | |
80 | |
81 void Set(Orthanc::ImageAccessor& image, | |
82 uint8_t r, | |
83 uint8_t g, | |
84 uint8_t b) | |
85 { | |
86 switch (image.GetFormat()) | |
87 { | |
88 case Orthanc::PixelFormat_Grayscale8: | |
89 { | |
228
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90 #if ORTHANC_FRAMEWORK_VERSION_IS_ABOVE(1, 9, 0) |
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91 Orthanc::ImageProcessing::Set(image, r, g, b, 0 /* alpha is ignored */); |
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92 #else |
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93 uint8_t grayscale = (2126 * static_cast<uint16_t>(r) + |
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94 7152 * static_cast<uint16_t>(g) + |
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95 0722 * static_cast<uint16_t>(b)) / 10000; |
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96 Orthanc::ImageProcessing::Set(image, grayscale); |
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97 #endif |
0 | 98 break; |
99 } | |
100 | |
101 case Orthanc::PixelFormat_RGB24: | |
228
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102 Orthanc::ImageProcessing::Set(image, r, g, b, 0 /* alpha is ignored */); |
0 | 103 break; |
104 | |
105 default: | |
106 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
107 } | |
108 } | |
109 | |
110 | |
111 Orthanc::ImageAccessor* DecodeTile(const std::string& source, | |
112 ImageCompression compression) | |
113 { | |
114 switch (compression) | |
115 { | |
116 case ImageCompression_Png: | |
117 { | |
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118 std::unique_ptr<Orthanc::PngReader> reader(new Orthanc::PngReader); |
0 | 119 reader->ReadFromMemory(source); |
120 return reader.release(); | |
121 } | |
122 | |
123 case ImageCompression_Jpeg: | |
124 { | |
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125 std::unique_ptr<Orthanc::JpegReader> reader(new Orthanc::JpegReader); |
0 | 126 reader->ReadFromMemory(source); |
127 return reader.release(); | |
128 } | |
129 | |
130 case ImageCompression_Jpeg2000: | |
131 { | |
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132 std::unique_ptr<Jpeg2000Reader> reader(new Jpeg2000Reader); |
0 | 133 reader->ReadFromMemory(source); |
134 return reader.release(); | |
135 } | |
136 | |
137 default: | |
138 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
139 } | |
140 } | |
141 | |
142 | |
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143 Orthanc::ImageAccessor* DecodeRawTile(const std::string& source, |
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144 Orthanc::PixelFormat format, |
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145 unsigned int width, |
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146 unsigned int height) |
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147 { |
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148 unsigned int bpp = GetBytesPerPixel(format); |
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149 |
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150 if (bpp * width * height != source.size()) |
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151 { |
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152 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); |
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153 } |
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154 |
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155 Orthanc::ImageAccessor accessor; |
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156 accessor.AssignReadOnly(format, width, height, bpp * width, source.empty() ? NULL : source.c_str()); |
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157 |
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158 return Orthanc::Image::Clone(accessor); |
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159 } |
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160 |
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161 |
0 | 162 void EncodeTile(std::string& target, |
163 const Orthanc::ImageAccessor& source, | |
164 ImageCompression compression, | |
165 uint8_t quality) | |
166 { | |
167 if (compression == ImageCompression_None) | |
168 { | |
169 unsigned int pitch = GetBytesPerPixel(source.GetFormat()) * source.GetWidth(); | |
170 target.resize(pitch * source.GetHeight()); | |
171 | |
210 | 172 const unsigned int height = source.GetHeight(); |
173 for (unsigned int i = 0; i < height; i++) | |
0 | 174 { |
175 memcpy(&target[i * pitch], source.GetConstRow(i), pitch); | |
176 } | |
177 } | |
178 else | |
179 { | |
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180 std::unique_ptr<Orthanc::IImageWriter> writer; |
0 | 181 |
182 switch (compression) | |
183 { | |
184 case ImageCompression_Png: | |
185 writer.reset(new Orthanc::PngWriter); | |
186 break; | |
187 | |
188 case ImageCompression_Jpeg: | |
189 writer.reset(new Orthanc::JpegWriter); | |
190 dynamic_cast<Orthanc::JpegWriter&>(*writer).SetQuality(quality); | |
191 break; | |
192 | |
193 case ImageCompression_Jpeg2000: | |
194 writer.reset(new Jpeg2000Writer); | |
195 break; | |
196 | |
197 default: | |
198 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
199 } | |
200 | |
211 | 201 Orthanc::IImageWriter::WriteToMemory(*writer, target, source); |
0 | 202 } |
203 } | |
204 | |
205 | |
206 void ChangeTileCompression(std::string& target, | |
207 const std::string& source, | |
208 ImageCompression sourceCompression, | |
209 ImageCompression targetCompression, | |
210 uint8_t quality) | |
211 { | |
212 if (sourceCompression == targetCompression) | |
213 { | |
214 target = source; | |
215 } | |
216 else | |
217 { | |
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218 std::unique_ptr<Orthanc::ImageAccessor> decoded(DecodeTile(source, sourceCompression)); |
0 | 219 EncodeTile(target, *decoded, targetCompression, quality); |
220 } | |
221 } | |
222 | |
223 | |
224 Orthanc::ImageAccessor* Render(ITiledPyramid& pyramid, | |
225 unsigned int level) | |
226 { | |
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227 std::unique_ptr<Orthanc::ImageAccessor> result(Allocate(pyramid.GetPixelFormat(), |
209 | 228 pyramid.GetLevelWidth(level), |
229 pyramid.GetLevelHeight(level))); | |
230 | |
231 LOG(INFO) << "Rendering a tiled image of size " | |
232 << result->GetWidth() << "x" << result->GetHeight(); | |
0 | 233 |
209 | 234 const unsigned int width = result->GetWidth(); |
235 const unsigned int height = result->GetHeight(); | |
236 | |
217
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237 for (unsigned int y = 0; y < height; y += pyramid.GetTileHeight(level)) |
0 | 238 { |
217
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239 for (unsigned int x = 0; x < width; x += pyramid.GetTileWidth(level)) |
0 | 240 { |
217
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241 std::unique_ptr<Orthanc::ImageAccessor> tile( |
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242 pyramid.DecodeTile(level, |
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243 x / pyramid.GetTileWidth(level), |
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244 y / pyramid.GetTileHeight(level))); |
0 | 245 Embed(*result, *tile, x, y); |
246 } | |
247 } | |
248 | |
249 return result.release(); | |
250 } | |
217
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251 |
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252 |
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253 void CheckConstantTileSize(const ITiledPyramid& source) |
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254 { |
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255 if (source.GetLevelCount() == 0) |
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256 { |
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257 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize, |
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258 "Input pyramid has no level"); |
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259 } |
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260 else |
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261 { |
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262 for (unsigned int level = 0; level < source.GetLevelCount(); level++) |
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263 { |
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264 if (source.GetTileWidth(level) != source.GetTileWidth(0) || |
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265 source.GetTileHeight(level) != source.GetTileHeight(0)) |
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266 { |
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267 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize, |
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268 "The DICOMizer requires that the input pyramid has constant " |
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269 "tile sizes across all its levels, which is not the case"); |
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270 } |
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271 } |
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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 void ConvertJpegYCbCrToRgb(Orthanc::ImageAccessor& image) |
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277 { |
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278 #if defined(ORTHANC_FRAMEWORK_VERSION_IS_ABOVE) && ORTHANC_FRAMEWORK_VERSION_IS_ABOVE(1, 9, 0) |
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279 Orthanc::ImageProcessing::ConvertJpegYCbCrToRgb(image); |
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280 #else |
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281 # warning You are using an old version of the Orthanc framework |
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282 const unsigned int width = image.GetWidth(); |
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283 const unsigned int height = image.GetHeight(); |
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284 const unsigned int pitch = image.GetPitch(); |
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285 uint8_t* buffer = reinterpret_cast<uint8_t*>(image.GetBuffer()); |
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286 |
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287 if (image.GetFormat() != Orthanc::PixelFormat_RGB24 || |
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288 pitch < 3 * width) |
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289 { |
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290 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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291 } |
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292 |
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293 for (unsigned int y = 0; y < height; y++) |
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294 { |
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295 uint8_t* p = buffer + y * pitch; |
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296 |
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297 for (unsigned int x = 0; x < width; x++, p += 3) |
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298 { |
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299 const float Y = p[0]; |
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300 const float Cb = p[1]; |
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301 const float Cr = p[2]; |
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302 |
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303 const float result[3] = { |
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304 Y + 1.402f * (Cr - 128.0f), |
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305 Y - 0.344136f * (Cb - 128.0f) - 0.714136f * (Cr - 128.0f), |
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306 Y + 1.772f * (Cb - 128.0f) |
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307 }; |
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308 |
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309 for (uint8_t i = 0; i < 3 ; i++) |
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310 { |
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311 if (result[i] < 0) |
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312 { |
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313 p[i] = 0; |
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314 } |
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315 else if (result[i] > 255) |
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316 { |
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317 p[i] = 255; |
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318 } |
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319 else |
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320 { |
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321 p[i] = static_cast<uint8_t>(result[i]); |
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322 } |
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323 } |
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324 } |
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325 } |
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326 #endif |
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327 } |
0 | 328 } |
329 } |