Mercurial > hg > orthanc-wsi
annotate Framework/ImageToolbox.cpp @ 205:a8f25caebc07
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 04 Aug 2020 13:29:52 +0200 |
parents | a1c265cb2174 |
children | 628201cb48c2 |
rev | line source |
---|---|
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 | |
175
e3cbf890b588
upgrade to year 2020
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
170
diff
changeset
|
5 * Copyright (C) 2017-2020 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
7a88c614be04
preparing for precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
0
diff
changeset
|
22 #include "PrecompiledHeadersWSI.h" |
0 | 23 #include "ImageToolbox.h" |
24 | |
25 #include "Jpeg2000Reader.h" | |
26 #include "Jpeg2000Writer.h" | |
27 | |
199
a1c265cb2174
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
192
diff
changeset
|
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 | |
53 void Embed(Orthanc::ImageAccessor& target, | |
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 if (image.GetWidth() == 0 || | |
87 image.GetHeight() == 0) | |
88 { | |
89 return; | |
90 } | |
91 | |
92 uint8_t grayscale = (2126 * static_cast<uint16_t>(r) + | |
93 7152 * static_cast<uint16_t>(g) + | |
94 0722 * static_cast<uint16_t>(b)) / 10000; | |
95 | |
96 switch (image.GetFormat()) | |
97 { | |
98 case Orthanc::PixelFormat_Grayscale8: | |
99 { | |
100 for (unsigned int y = 0; y < image.GetHeight(); y++) | |
101 { | |
102 memset(image.GetRow(y), grayscale, image.GetWidth()); | |
103 } | |
104 | |
105 break; | |
106 } | |
107 | |
108 case Orthanc::PixelFormat_RGB24: | |
109 { | |
110 for (unsigned int y = 0; y < image.GetHeight(); y++) | |
111 { | |
112 uint8_t* p = reinterpret_cast<uint8_t*>(image.GetRow(y)); | |
113 for (unsigned int x = 0; x < image.GetWidth(); x++, p += 3) | |
114 { | |
115 p[0] = r; | |
116 p[1] = g; | |
117 p[2] = b; | |
118 } | |
119 } | |
120 | |
121 break; | |
122 } | |
123 | |
124 default: | |
125 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
126 } | |
127 } | |
128 | |
129 | |
130 Orthanc::ImageAccessor* DecodeTile(const std::string& source, | |
131 ImageCompression compression) | |
132 { | |
133 switch (compression) | |
134 { | |
135 case ImageCompression_Png: | |
136 { | |
199
a1c265cb2174
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
192
diff
changeset
|
137 std::unique_ptr<Orthanc::PngReader> reader(new Orthanc::PngReader); |
0 | 138 reader->ReadFromMemory(source); |
139 return reader.release(); | |
140 } | |
141 | |
142 case ImageCompression_Jpeg: | |
143 { | |
199
a1c265cb2174
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
192
diff
changeset
|
144 std::unique_ptr<Orthanc::JpegReader> reader(new Orthanc::JpegReader); |
0 | 145 reader->ReadFromMemory(source); |
146 return reader.release(); | |
147 } | |
148 | |
149 case ImageCompression_Jpeg2000: | |
150 { | |
199
a1c265cb2174
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
192
diff
changeset
|
151 std::unique_ptr<Jpeg2000Reader> reader(new Jpeg2000Reader); |
0 | 152 reader->ReadFromMemory(source); |
153 return reader.release(); | |
154 } | |
155 | |
156 default: | |
157 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
158 } | |
159 } | |
160 | |
161 | |
167
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
162 Orthanc::ImageAccessor* DecodeRawTile(const std::string& source, |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
163 Orthanc::PixelFormat format, |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
164 unsigned int width, |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
165 unsigned int height) |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
166 { |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
167 unsigned int bpp = GetBytesPerPixel(format); |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
168 |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
169 if (bpp * width * height != source.size()) |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
170 { |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
171 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
172 } |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
173 |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
174 Orthanc::ImageAccessor accessor; |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
175 accessor.AssignReadOnly(format, width, height, bpp * width, source.empty() ? NULL : source.c_str()); |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
176 |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
177 return Orthanc::Image::Clone(accessor); |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
178 } |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
179 |
605247fc8758
Fix issue #144 (OrthancWSIDicomizer PhotometricInterpretation)
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
157
diff
changeset
|
180 |
0 | 181 void EncodeTile(std::string& target, |
182 const Orthanc::ImageAccessor& source, | |
183 ImageCompression compression, | |
184 uint8_t quality) | |
185 { | |
186 if (compression == ImageCompression_None) | |
187 { | |
188 unsigned int pitch = GetBytesPerPixel(source.GetFormat()) * source.GetWidth(); | |
189 target.resize(pitch * source.GetHeight()); | |
190 | |
191 for (unsigned int i = 0; i < source.GetHeight(); i++) | |
192 { | |
193 memcpy(&target[i * pitch], source.GetConstRow(i), pitch); | |
194 } | |
195 } | |
196 else | |
197 { | |
199
a1c265cb2174
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
192
diff
changeset
|
198 std::unique_ptr<Orthanc::IImageWriter> writer; |
0 | 199 |
200 switch (compression) | |
201 { | |
202 case ImageCompression_Png: | |
203 writer.reset(new Orthanc::PngWriter); | |
204 break; | |
205 | |
206 case ImageCompression_Jpeg: | |
207 writer.reset(new Orthanc::JpegWriter); | |
208 dynamic_cast<Orthanc::JpegWriter&>(*writer).SetQuality(quality); | |
209 break; | |
210 | |
211 case ImageCompression_Jpeg2000: | |
212 writer.reset(new Jpeg2000Writer); | |
213 break; | |
214 | |
215 default: | |
216 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
217 } | |
218 | |
219 writer->WriteToMemory(target, source); | |
220 } | |
221 } | |
222 | |
223 | |
224 void ChangeTileCompression(std::string& target, | |
225 const std::string& source, | |
226 ImageCompression sourceCompression, | |
227 ImageCompression targetCompression, | |
228 uint8_t quality) | |
229 { | |
230 if (sourceCompression == targetCompression) | |
231 { | |
232 target = source; | |
233 } | |
234 else | |
235 { | |
199
a1c265cb2174
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
192
diff
changeset
|
236 std::unique_ptr<Orthanc::ImageAccessor> decoded(DecodeTile(source, sourceCompression)); |
0 | 237 EncodeTile(target, *decoded, targetCompression, quality); |
238 } | |
239 } | |
240 | |
241 | |
242 static uint8_t GetPixelValue(const Orthanc::ImageAccessor& source, | |
243 unsigned int x, | |
244 unsigned int y, | |
245 unsigned int channel, | |
246 int offsetX, | |
87 | 247 int offsetY, |
248 unsigned int bytesPerPixel) | |
0 | 249 { |
87 | 250 assert(bytesPerPixel == source.GetBytesPerPixel()); |
251 assert(channel < bytesPerPixel); | |
0 | 252 assert(source.GetFormat() == Orthanc::PixelFormat_Grayscale8 || |
253 source.GetFormat() == Orthanc::PixelFormat_RGB24 || | |
254 source.GetFormat() == Orthanc::PixelFormat_RGBA32); // 16bpp is unsupported | |
255 | |
256 if (static_cast<int>(x) + offsetX < 0) | |
257 { | |
258 x = 0; | |
259 } | |
260 else | |
261 { | |
262 x += offsetX; | |
263 if (x >= source.GetWidth()) | |
264 { | |
265 x = source.GetWidth() - 1; | |
266 } | |
267 } | |
268 | |
269 if (static_cast<int>(y) + offsetY < 0) | |
270 { | |
271 y = 0; | |
272 } | |
273 else | |
274 { | |
275 y += offsetY; | |
276 if (y >= source.GetHeight()) | |
277 { | |
278 y = source.GetHeight() - 1; | |
279 } | |
280 } | |
281 | |
282 return *(reinterpret_cast<const uint8_t*>(source.GetConstBuffer()) + | |
87 | 283 y * source.GetPitch() + x * bytesPerPixel + channel); |
0 | 284 } |
285 | |
286 | |
287 static uint8_t SmoothPixelValue(const Orthanc::ImageAccessor& source, | |
288 unsigned int x, | |
289 unsigned int y, | |
87 | 290 unsigned int channel, |
291 unsigned int bytesPerPixel) | |
0 | 292 { |
293 static const uint32_t kernel[5] = { 1, 4, 6, 4, 1 }; | |
294 static const uint32_t normalization = 2 * (1 + 4 + 6 + 4 + 1); | |
295 | |
296 uint32_t accumulator = 0; | |
297 | |
298 // Horizontal smoothing | |
299 for (int offset = -2; offset <= 2; offset++) | |
300 { | |
87 | 301 accumulator += kernel[offset + 2] * GetPixelValue(source, x, y, channel, offset, 0, bytesPerPixel); |
0 | 302 } |
303 | |
304 // Vertical smoothing | |
305 for (int offset = -2; offset <= 2; offset++) | |
306 { | |
87 | 307 accumulator += kernel[offset + 2] * GetPixelValue(source, x, y, channel, 0, offset, bytesPerPixel); |
0 | 308 } |
309 | |
310 return static_cast<uint8_t>(accumulator / normalization); | |
311 } | |
312 | |
313 | |
314 Orthanc::ImageAccessor* Halve(const Orthanc::ImageAccessor& source, | |
315 bool smooth) | |
316 { | |
317 if (source.GetWidth() % 2 == 1 || | |
318 source.GetHeight() % 2 == 1) | |
319 { | |
320 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
321 } | |
322 | |
323 if (source.GetFormat() != Orthanc::PixelFormat_Grayscale8 && | |
324 source.GetFormat() != Orthanc::PixelFormat_RGB24 && | |
325 source.GetFormat() != Orthanc::PixelFormat_RGBA32) // 16bpp is not supported (*) | |
326 { | |
327 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
328 } | |
329 | |
170
cea9a4701fce
Support of grayscale images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
167
diff
changeset
|
330 const unsigned int bytesPerPixel = source.GetBytesPerPixel(); // Corresponds to the number of channels tx (*) |
0 | 331 |
199
a1c265cb2174
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
192
diff
changeset
|
332 std::unique_ptr<Orthanc::ImageAccessor> target(Allocate(source.GetFormat(), |
0 | 333 source.GetWidth() / 2, |
334 source.GetHeight() / 2)); | |
335 | |
170
cea9a4701fce
Support of grayscale images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
167
diff
changeset
|
336 for (unsigned int y = 0; y < target->GetHeight(); y++) |
0 | 337 { |
170
cea9a4701fce
Support of grayscale images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
167
diff
changeset
|
338 uint8_t* q = reinterpret_cast<uint8_t*>(target->GetRow(y)); |
0 | 339 |
170
cea9a4701fce
Support of grayscale images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
167
diff
changeset
|
340 for (unsigned int x = 0; x < target->GetWidth(); x++, q += bytesPerPixel) |
0 | 341 { |
170
cea9a4701fce
Support of grayscale images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
167
diff
changeset
|
342 for (unsigned int c = 0; c < bytesPerPixel; c++) |
0 | 343 { |
344 if (smooth) | |
345 { | |
87 | 346 q[c] = SmoothPixelValue(source, 2 * x, 2 * y, c, bytesPerPixel); |
0 | 347 } |
348 else | |
349 { | |
87 | 350 q[c] = GetPixelValue(source, 2 * x, 2 * y, c, 0, 0, bytesPerPixel); |
0 | 351 } |
352 } | |
353 } | |
354 } | |
355 | |
170
cea9a4701fce
Support of grayscale images
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
167
diff
changeset
|
356 return target.release(); |
0 | 357 } |
358 | |
359 | |
360 Orthanc::ImageAccessor* Clone(const Orthanc::ImageAccessor& accessor) | |
361 { | |
199
a1c265cb2174
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
192
diff
changeset
|
362 std::unique_ptr<Orthanc::ImageAccessor> result(Allocate(accessor.GetFormat(), |
0 | 363 accessor.GetWidth(), |
364 accessor.GetHeight())); | |
365 Embed(*result, accessor, 0, 0); | |
366 | |
367 return result.release(); | |
368 } | |
369 | |
370 | |
371 Orthanc::ImageAccessor* Render(ITiledPyramid& pyramid, | |
372 unsigned int level) | |
373 { | |
199
a1c265cb2174
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
192
diff
changeset
|
374 std::unique_ptr<Orthanc::ImageAccessor> result(Allocate(pyramid.GetPixelFormat(), |
0 | 375 pyramid.GetLevelWidth(level), |
376 pyramid.GetLevelHeight(level))); | |
377 | |
378 LOG(INFO) << "Rendering a tiled image of size " << result->GetWidth() << "x" << result->GetHeight(); | |
379 | |
380 for (unsigned int y = 0; y < result->GetHeight(); y += pyramid.GetTileHeight()) | |
381 { | |
382 for (unsigned int x = 0; x < result->GetWidth(); x += pyramid.GetTileWidth()) | |
383 { | |
199
a1c265cb2174
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
192
diff
changeset
|
384 std::unique_ptr<Orthanc::ImageAccessor> tile(pyramid.DecodeTile(level, |
0 | 385 x / pyramid.GetTileWidth(), |
386 y / pyramid.GetTileHeight())); | |
387 Embed(*result, *tile, x, y); | |
388 } | |
389 } | |
390 | |
391 return result.release(); | |
392 } | |
393 } | |
394 } |