Mercurial > hg > orthanc-wsi
annotate Framework/ImageToolbox.cpp @ 167:605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 12 Jul 2019 12:00:31 +0200 |
parents | 6b8ccfc02051 |
children | cea9a4701fce |
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 | |
157 | 5 * Copyright (C) 2017-2019 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 | |
16
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22 #include "PrecompiledHeadersWSI.h" |
0 | 23 #include "ImageToolbox.h" |
24 | |
25 #include "Jpeg2000Reader.h" | |
26 #include "Jpeg2000Writer.h" | |
27 | |
140
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28 #include <Core/OrthancException.h> |
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29 #include <Core/Images/ImageProcessing.h> |
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30 #include <Core/Images/PngReader.h> |
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31 #include <Core/Images/PngWriter.h> |
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32 #include <Core/Images/JpegReader.h> |
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33 #include <Core/Images/JpegWriter.h> |
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34 #include <Core/Logging.h> |
0 | 35 |
36 #include <string.h> | |
37 #include <memory> | |
38 | |
39 | |
40 namespace OrthancWSI | |
41 { | |
42 namespace ImageToolbox | |
43 { | |
44 Orthanc::ImageAccessor* Allocate(Orthanc::PixelFormat format, | |
45 unsigned int width, | |
46 unsigned int height) | |
47 { | |
48 return new Orthanc::Image(format, width, height, false); | |
49 } | |
50 | |
51 | |
52 void Embed(Orthanc::ImageAccessor& target, | |
53 const Orthanc::ImageAccessor& source, | |
54 unsigned int x, | |
55 unsigned int y) | |
56 { | |
57 if (target.GetFormat() != source.GetFormat()) | |
58 { | |
59 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
60 } | |
61 | |
62 if (x >= target.GetWidth() || | |
63 y >= target.GetHeight()) | |
64 { | |
65 return; | |
66 } | |
67 | |
68 unsigned int h = std::min(source.GetHeight(), target.GetHeight() - y); | |
69 unsigned int w = std::min(source.GetWidth(), target.GetWidth() - x); | |
70 | |
154 | 71 Orthanc::ImageAccessor targetRegion, sourceRegion; |
72 target.GetRegion(targetRegion, x, y, w, h); | |
73 source.GetRegion(sourceRegion, 0, 0, w, h); | |
74 | |
0 | 75 Orthanc::ImageProcessing::Copy(targetRegion, sourceRegion); |
76 } | |
77 | |
78 | |
79 | |
80 void Set(Orthanc::ImageAccessor& image, | |
81 uint8_t r, | |
82 uint8_t g, | |
83 uint8_t b) | |
84 { | |
85 if (image.GetWidth() == 0 || | |
86 image.GetHeight() == 0) | |
87 { | |
88 return; | |
89 } | |
90 | |
91 uint8_t grayscale = (2126 * static_cast<uint16_t>(r) + | |
92 7152 * static_cast<uint16_t>(g) + | |
93 0722 * static_cast<uint16_t>(b)) / 10000; | |
94 | |
95 switch (image.GetFormat()) | |
96 { | |
97 case Orthanc::PixelFormat_Grayscale8: | |
98 { | |
99 for (unsigned int y = 0; y < image.GetHeight(); y++) | |
100 { | |
101 memset(image.GetRow(y), grayscale, image.GetWidth()); | |
102 } | |
103 | |
104 break; | |
105 } | |
106 | |
107 case Orthanc::PixelFormat_RGB24: | |
108 { | |
109 for (unsigned int y = 0; y < image.GetHeight(); y++) | |
110 { | |
111 uint8_t* p = reinterpret_cast<uint8_t*>(image.GetRow(y)); | |
112 for (unsigned int x = 0; x < image.GetWidth(); x++, p += 3) | |
113 { | |
114 p[0] = r; | |
115 p[1] = g; | |
116 p[2] = b; | |
117 } | |
118 } | |
119 | |
120 break; | |
121 } | |
122 | |
123 default: | |
124 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
125 } | |
126 } | |
127 | |
128 | |
129 Orthanc::ImageAccessor* DecodeTile(const std::string& source, | |
130 ImageCompression compression) | |
131 { | |
132 switch (compression) | |
133 { | |
134 case ImageCompression_Png: | |
135 { | |
136 std::auto_ptr<Orthanc::PngReader> reader(new Orthanc::PngReader); | |
137 reader->ReadFromMemory(source); | |
138 return reader.release(); | |
139 } | |
140 | |
141 case ImageCompression_Jpeg: | |
142 { | |
143 std::auto_ptr<Orthanc::JpegReader> reader(new Orthanc::JpegReader); | |
144 reader->ReadFromMemory(source); | |
145 return reader.release(); | |
146 } | |
147 | |
148 case ImageCompression_Jpeg2000: | |
149 { | |
150 std::auto_ptr<Jpeg2000Reader> reader(new Jpeg2000Reader); | |
151 reader->ReadFromMemory(source); | |
152 return reader.release(); | |
153 } | |
154 | |
155 default: | |
156 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
157 } | |
158 } | |
159 | |
160 | |
167
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161 Orthanc::ImageAccessor* DecodeRawTile(const std::string& source, |
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162 Orthanc::PixelFormat format, |
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163 unsigned int width, |
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164 unsigned int height) |
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165 { |
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166 unsigned int bpp = GetBytesPerPixel(format); |
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167 |
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168 if (bpp * width * height != source.size()) |
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169 { |
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170 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); |
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171 } |
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172 |
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173 Orthanc::ImageAccessor accessor; |
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174 accessor.AssignReadOnly(format, width, height, bpp * width, source.empty() ? NULL : source.c_str()); |
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175 |
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176 return Orthanc::Image::Clone(accessor); |
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177 } |
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178 |
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179 |
0 | 180 void EncodeTile(std::string& target, |
181 const Orthanc::ImageAccessor& source, | |
182 ImageCompression compression, | |
183 uint8_t quality) | |
184 { | |
185 if (compression == ImageCompression_None) | |
186 { | |
187 unsigned int pitch = GetBytesPerPixel(source.GetFormat()) * source.GetWidth(); | |
188 target.resize(pitch * source.GetHeight()); | |
189 | |
190 for (unsigned int i = 0; i < source.GetHeight(); i++) | |
191 { | |
192 memcpy(&target[i * pitch], source.GetConstRow(i), pitch); | |
193 } | |
194 } | |
195 else | |
196 { | |
197 std::auto_ptr<Orthanc::IImageWriter> writer; | |
198 | |
199 switch (compression) | |
200 { | |
201 case ImageCompression_Png: | |
202 writer.reset(new Orthanc::PngWriter); | |
203 break; | |
204 | |
205 case ImageCompression_Jpeg: | |
206 writer.reset(new Orthanc::JpegWriter); | |
207 dynamic_cast<Orthanc::JpegWriter&>(*writer).SetQuality(quality); | |
208 break; | |
209 | |
210 case ImageCompression_Jpeg2000: | |
211 writer.reset(new Jpeg2000Writer); | |
212 break; | |
213 | |
214 default: | |
215 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
216 } | |
217 | |
218 writer->WriteToMemory(target, source); | |
219 } | |
220 } | |
221 | |
222 | |
223 void ChangeTileCompression(std::string& target, | |
224 const std::string& source, | |
225 ImageCompression sourceCompression, | |
226 ImageCompression targetCompression, | |
227 uint8_t quality) | |
228 { | |
229 if (sourceCompression == targetCompression) | |
230 { | |
231 target = source; | |
232 } | |
233 else | |
234 { | |
235 std::auto_ptr<Orthanc::ImageAccessor> decoded(DecodeTile(source, sourceCompression)); | |
236 EncodeTile(target, *decoded, targetCompression, quality); | |
237 } | |
238 } | |
239 | |
240 | |
241 static uint8_t GetPixelValue(const Orthanc::ImageAccessor& source, | |
242 unsigned int x, | |
243 unsigned int y, | |
244 unsigned int channel, | |
245 int offsetX, | |
87 | 246 int offsetY, |
247 unsigned int bytesPerPixel) | |
0 | 248 { |
87 | 249 assert(bytesPerPixel == source.GetBytesPerPixel()); |
250 assert(channel < bytesPerPixel); | |
0 | 251 assert(source.GetFormat() == Orthanc::PixelFormat_Grayscale8 || |
252 source.GetFormat() == Orthanc::PixelFormat_RGB24 || | |
253 source.GetFormat() == Orthanc::PixelFormat_RGBA32); // 16bpp is unsupported | |
254 | |
255 if (static_cast<int>(x) + offsetX < 0) | |
256 { | |
257 x = 0; | |
258 } | |
259 else | |
260 { | |
261 x += offsetX; | |
262 if (x >= source.GetWidth()) | |
263 { | |
264 x = source.GetWidth() - 1; | |
265 } | |
266 } | |
267 | |
268 if (static_cast<int>(y) + offsetY < 0) | |
269 { | |
270 y = 0; | |
271 } | |
272 else | |
273 { | |
274 y += offsetY; | |
275 if (y >= source.GetHeight()) | |
276 { | |
277 y = source.GetHeight() - 1; | |
278 } | |
279 } | |
280 | |
281 return *(reinterpret_cast<const uint8_t*>(source.GetConstBuffer()) + | |
87 | 282 y * source.GetPitch() + x * bytesPerPixel + channel); |
0 | 283 } |
284 | |
285 | |
286 static uint8_t SmoothPixelValue(const Orthanc::ImageAccessor& source, | |
287 unsigned int x, | |
288 unsigned int y, | |
87 | 289 unsigned int channel, |
290 unsigned int bytesPerPixel) | |
0 | 291 { |
292 static const uint32_t kernel[5] = { 1, 4, 6, 4, 1 }; | |
293 static const uint32_t normalization = 2 * (1 + 4 + 6 + 4 + 1); | |
294 | |
295 uint32_t accumulator = 0; | |
296 | |
297 // Horizontal smoothing | |
298 for (int offset = -2; offset <= 2; offset++) | |
299 { | |
87 | 300 accumulator += kernel[offset + 2] * GetPixelValue(source, x, y, channel, offset, 0, bytesPerPixel); |
0 | 301 } |
302 | |
303 // Vertical smoothing | |
304 for (int offset = -2; offset <= 2; offset++) | |
305 { | |
87 | 306 accumulator += kernel[offset + 2] * GetPixelValue(source, x, y, channel, 0, offset, bytesPerPixel); |
0 | 307 } |
308 | |
309 return static_cast<uint8_t>(accumulator / normalization); | |
310 } | |
311 | |
312 | |
313 Orthanc::ImageAccessor* Halve(const Orthanc::ImageAccessor& source, | |
314 bool smooth) | |
315 { | |
316 if (source.GetWidth() % 2 == 1 || | |
317 source.GetHeight() % 2 == 1) | |
318 { | |
319 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
320 } | |
321 | |
322 if (source.GetFormat() != Orthanc::PixelFormat_Grayscale8 && | |
323 source.GetFormat() != Orthanc::PixelFormat_RGB24 && | |
324 source.GetFormat() != Orthanc::PixelFormat_RGBA32) // 16bpp is not supported (*) | |
325 { | |
326 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
327 } | |
328 | |
329 unsigned int channelsCount = source.GetBytesPerPixel(); // OK tx (*) | |
330 | |
331 std::auto_ptr<Orthanc::ImageAccessor> result(Allocate(source.GetFormat(), | |
332 source.GetWidth() / 2, | |
333 source.GetHeight() / 2)); | |
334 | |
87 | 335 unsigned int bytesPerPixel = source.GetBytesPerPixel(); |
336 | |
0 | 337 for (unsigned int y = 0; y < source.GetHeight() / 2; y++) |
338 { | |
339 uint8_t* q = reinterpret_cast<uint8_t*>(result->GetRow(y)); | |
340 | |
341 for (unsigned int x = 0; x < source.GetWidth() / 2; x++, q += 3) | |
342 { | |
343 for (unsigned int c = 0; c < channelsCount; c++) | |
344 { | |
345 if (smooth) | |
346 { | |
87 | 347 q[c] = SmoothPixelValue(source, 2 * x, 2 * y, c, bytesPerPixel); |
0 | 348 } |
349 else | |
350 { | |
87 | 351 q[c] = GetPixelValue(source, 2 * x, 2 * y, c, 0, 0, bytesPerPixel); |
0 | 352 } |
353 } | |
354 } | |
355 } | |
356 | |
357 return result.release(); | |
358 } | |
359 | |
360 | |
361 Orthanc::ImageAccessor* Clone(const Orthanc::ImageAccessor& accessor) | |
362 { | |
363 std::auto_ptr<Orthanc::ImageAccessor> result(Allocate(accessor.GetFormat(), | |
364 accessor.GetWidth(), | |
365 accessor.GetHeight())); | |
366 Embed(*result, accessor, 0, 0); | |
367 | |
368 return result.release(); | |
369 } | |
370 | |
371 | |
372 Orthanc::ImageAccessor* Render(ITiledPyramid& pyramid, | |
373 unsigned int level) | |
374 { | |
375 std::auto_ptr<Orthanc::ImageAccessor> result(Allocate(pyramid.GetPixelFormat(), | |
376 pyramid.GetLevelWidth(level), | |
377 pyramid.GetLevelHeight(level))); | |
378 | |
379 LOG(INFO) << "Rendering a tiled image of size " << result->GetWidth() << "x" << result->GetHeight(); | |
380 | |
381 for (unsigned int y = 0; y < result->GetHeight(); y += pyramid.GetTileHeight()) | |
382 { | |
383 for (unsigned int x = 0; x < result->GetWidth(); x += pyramid.GetTileWidth()) | |
384 { | |
385 std::auto_ptr<Orthanc::ImageAccessor> tile(pyramid.DecodeTile(level, | |
386 x / pyramid.GetTileWidth(), | |
387 y / pyramid.GetTileHeight())); | |
388 Embed(*result, *tile, x, y); | |
389 } | |
390 } | |
391 | |
392 return result.release(); | |
393 } | |
394 } | |
395 } |