Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/ImageGeometry.cpp @ 1262:ca2058bd74ef toa2020012702
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author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Mon, 27 Jan 2020 15:13:00 +0100 |
parents | ce49eae4c887 |
children | 2d8ab34c8c91 |
rev | line source |
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182 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
439 | 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
182 | 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 | |
22 #include "ImageGeometry.h" | |
23 | |
24 #include "Extent2D.h" | |
25 #include "SubpixelReader.h" | |
26 | |
212
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27 #include <Core/Images/ImageProcessing.h> |
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28 #include <Core/Logging.h> |
335 | 29 #include <Core/OrthancException.h> |
182 | 30 |
31 | |
32 namespace OrthancStone | |
33 { | |
34 static void AddTransformedPoint(Extent2D& extent, | |
35 const Matrix& a, | |
36 double x, | |
37 double y) | |
38 { | |
39 assert(a.size1() == 3 && | |
40 a.size2() == 3); | |
41 | |
42 Vector p = LinearAlgebra::Product(a, LinearAlgebra::CreateVector(x, y, 1)); | |
43 | |
44 if (!LinearAlgebra::IsCloseToZero(p[2])) | |
45 { | |
46 extent.AddPoint(p[0] / p[2], p[1] / p[2]); | |
47 } | |
48 } | |
49 | |
50 | |
190 | 51 bool GetProjectiveTransformExtent(unsigned int& x1, |
182 | 52 unsigned int& y1, |
53 unsigned int& x2, | |
54 unsigned int& y2, | |
55 const Matrix& a, | |
56 unsigned int sourceWidth, | |
57 unsigned int sourceHeight, | |
58 unsigned int targetWidth, | |
59 unsigned int targetHeight) | |
60 { | |
61 if (targetWidth == 0 || | |
62 targetHeight == 0) | |
63 { | |
64 return false; | |
65 } | |
66 | |
67 Extent2D extent; | |
68 AddTransformedPoint(extent, a, 0, 0); | |
69 AddTransformedPoint(extent, a, sourceWidth, 0); | |
70 AddTransformedPoint(extent, a, 0, sourceHeight); | |
71 AddTransformedPoint(extent, a, sourceWidth, sourceHeight); | |
72 | |
73 if (extent.IsEmpty()) | |
74 { | |
75 return false; | |
76 } | |
77 else | |
78 { | |
507 | 79 int tmp = static_cast<int>(std::floor(extent.GetX1())); |
182 | 80 if (tmp < 0) |
81 { | |
82 x1 = 0; | |
83 } | |
84 else | |
85 { | |
86 x1 = static_cast<unsigned int>(tmp); | |
87 } | |
88 | |
507 | 89 tmp = static_cast<int>(std::floor(extent.GetY1())); |
182 | 90 if (tmp < 0) |
91 { | |
92 y1 = 0; | |
93 } | |
94 else | |
95 { | |
96 y1 = static_cast<unsigned int>(tmp); | |
97 } | |
98 | |
507 | 99 tmp = static_cast<int>(std::ceil(extent.GetX2())); |
182 | 100 if (tmp < 0) |
101 { | |
102 return false; | |
103 } | |
104 else if (static_cast<unsigned int>(tmp) >= targetWidth) | |
105 { | |
106 x2 = targetWidth - 1; | |
107 } | |
108 else | |
109 { | |
110 x2 = static_cast<unsigned int>(tmp); | |
111 } | |
112 | |
507 | 113 tmp = static_cast<int>(std::ceil(extent.GetY2())); |
182 | 114 if (tmp < 0) |
115 { | |
116 return false; | |
117 } | |
118 else if (static_cast<unsigned int>(tmp) >= targetHeight) | |
119 { | |
120 y2 = targetHeight - 1; | |
121 } | |
122 else | |
123 { | |
124 y2 = static_cast<unsigned int>(tmp); | |
125 } | |
126 | |
127 return (x1 <= x2 && | |
128 y1 <= y2); | |
129 } | |
130 } | |
131 | |
132 | |
133 template <typename Reader, | |
134 bool HasOffsetX, | |
135 bool HasOffsetY> | |
136 static void ApplyAffineTransformToRow(typename Reader::PixelType* p, | |
137 Reader& reader, | |
138 unsigned int x1, | |
139 unsigned int x2, | |
140 float positionX, | |
141 float positionY, | |
142 float offsetX, | |
143 float offsetY) | |
144 { | |
145 typename Reader::PixelType value; | |
146 | |
147 for (unsigned int x = x1; x <= x2; x++, p++) | |
148 { | |
149 if (reader.GetValue(value, positionX, positionY)) | |
150 { | |
151 *p = value; | |
152 } | |
153 | |
154 if (HasOffsetX) | |
155 { | |
156 positionX += offsetX; | |
157 } | |
158 | |
159 if (HasOffsetY) | |
160 { | |
161 positionY += offsetY; | |
162 } | |
163 } | |
164 } | |
165 | |
166 | |
167 template <Orthanc::PixelFormat Format, | |
168 ImageInterpolation Interpolation> | |
169 static void ApplyAffineInternal(Orthanc::ImageAccessor& target, | |
170 const Orthanc::ImageAccessor& source, | |
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171 const Matrix& a, |
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172 bool clear) |
182 | 173 { |
174 assert(target.GetFormat() == Format && | |
175 source.GetFormat() == Format); | |
176 | |
177 typedef SubpixelReader<Format, Interpolation> Reader; | |
178 typedef typename Reader::PixelType PixelType; | |
179 | |
340
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180 if (clear) |
182 | 181 { |
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182 if (Format == Orthanc::PixelFormat_RGB24) |
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183 { |
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184 Orthanc::ImageProcessing::Set(target, 0, 0, 0, 255); |
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185 } |
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186 else |
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187 { |
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188 Orthanc::ImageProcessing::Set(target, 0); |
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189 } |
182 | 190 } |
191 | |
192 Matrix inva; | |
193 if (!LinearAlgebra::InvertMatrixUnsafe(inva, a)) | |
194 { | |
195 // Singular matrix | |
196 return; | |
197 } | |
198 | |
199 Reader reader(source); | |
200 | |
201 unsigned int x1, y1, x2, y2; | |
202 | |
190 | 203 if (GetProjectiveTransformExtent(x1, y1, x2, y2, a, |
182 | 204 source.GetWidth(), source.GetHeight(), |
205 target.GetWidth(), target.GetHeight())) | |
206 { | |
207 const size_t targetPitch = target.GetPitch(); | |
191
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208 uint8_t *targetRow = reinterpret_cast<uint8_t*> |
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209 (reinterpret_cast<PixelType*>(target.GetRow(y1)) + x1); |
182 | 210 |
211 for (unsigned int y = y1; y <= y2; y++) | |
212 { | |
213 Vector start; | |
214 LinearAlgebra::AssignVector(start, static_cast<double>(x1) + 0.5, | |
215 static_cast<double>(y) + 0.5, 1); | |
216 start = boost::numeric::ublas::prod(inva, start); | |
217 assert(LinearAlgebra::IsNear(1.0, start(2))); | |
218 | |
219 Vector offset; | |
220 LinearAlgebra::AssignVector(offset, static_cast<double>(x1) + 1.5, | |
221 static_cast<double>(y) + 0.5, 1); | |
222 offset = boost::numeric::ublas::prod(inva, offset) - start; | |
223 assert(LinearAlgebra::IsNear(0.0, offset(2))); | |
224 | |
225 float startX = static_cast<float>(start[0]); | |
226 float startY = static_cast<float>(start[1]); | |
227 float offsetX = static_cast<float>(offset[0]); | |
228 float offsetY = static_cast<float>(offset[1]); | |
229 | |
230 PixelType* pixel = reinterpret_cast<PixelType*>(targetRow); | |
231 if (LinearAlgebra::IsCloseToZero(offsetX)) | |
232 { | |
233 ApplyAffineTransformToRow<Reader, false, true> | |
234 (pixel, reader, x1, x2, startX, startY, offsetX, offsetY); | |
235 } | |
236 else if (LinearAlgebra::IsCloseToZero(offsetY)) | |
237 { | |
238 ApplyAffineTransformToRow<Reader, true, false> | |
239 (pixel, reader, x1, x2, startX, startY, offsetX, offsetY); | |
240 } | |
241 else | |
242 { | |
243 ApplyAffineTransformToRow<Reader, true, true> | |
244 (pixel, reader, x1, x2, startX, startY, offsetX, offsetY); | |
245 } | |
246 | |
247 targetRow += targetPitch; | |
248 } | |
249 } | |
250 } | |
251 | |
252 | |
253 void ApplyAffineTransform(Orthanc::ImageAccessor& target, | |
254 const Orthanc::ImageAccessor& source, | |
255 double a11, | |
256 double a12, | |
257 double b1, | |
258 double a21, | |
259 double a22, | |
260 double b2, | |
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261 ImageInterpolation interpolation, |
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262 bool clear) |
182 | 263 { |
264 if (source.GetFormat() != target.GetFormat()) | |
265 { | |
266 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
267 } | |
268 | |
269 if (interpolation != ImageInterpolation_Nearest && | |
270 interpolation != ImageInterpolation_Bilinear) | |
271 { | |
272 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
273 } | |
274 | |
275 Matrix a; | |
276 a.resize(3, 3); | |
277 a(0, 0) = a11; | |
278 a(0, 1) = a12; | |
279 a(0, 2) = b1; | |
280 a(1, 0) = a21; | |
281 a(1, 1) = a22; | |
282 a(1, 2) = b2; | |
283 a(2, 0) = 0; | |
284 a(2, 1) = 0; | |
285 a(2, 2) = 1; | |
286 | |
287 switch (source.GetFormat()) | |
288 { | |
289 case Orthanc::PixelFormat_Grayscale8: | |
290 switch (interpolation) | |
291 { | |
292 case ImageInterpolation_Nearest: | |
293 ApplyAffineInternal<Orthanc::PixelFormat_Grayscale8, | |
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294 ImageInterpolation_Nearest>(target, source, a, clear); |
182 | 295 break; |
296 | |
297 case ImageInterpolation_Bilinear: | |
298 ApplyAffineInternal<Orthanc::PixelFormat_Grayscale8, | |
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299 ImageInterpolation_Bilinear>(target, source, a, clear); |
182 | 300 break; |
301 | |
302 default: | |
303 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
304 } | |
305 break; | |
306 | |
307 case Orthanc::PixelFormat_Grayscale16: | |
308 switch (interpolation) | |
309 { | |
310 case ImageInterpolation_Nearest: | |
311 ApplyAffineInternal<Orthanc::PixelFormat_Grayscale16, | |
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312 ImageInterpolation_Nearest>(target, source, a, clear); |
182 | 313 break; |
314 | |
315 case ImageInterpolation_Bilinear: | |
316 ApplyAffineInternal<Orthanc::PixelFormat_Grayscale16, | |
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317 ImageInterpolation_Bilinear>(target, source, a, clear); |
182 | 318 break; |
319 | |
320 default: | |
321 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
322 } | |
323 break; | |
324 | |
325 case Orthanc::PixelFormat_SignedGrayscale16: | |
326 switch (interpolation) | |
327 { | |
328 case ImageInterpolation_Nearest: | |
329 ApplyAffineInternal<Orthanc::PixelFormat_SignedGrayscale16, | |
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330 ImageInterpolation_Nearest>(target, source, a, clear); |
182 | 331 break; |
332 | |
333 case ImageInterpolation_Bilinear: | |
334 ApplyAffineInternal<Orthanc::PixelFormat_SignedGrayscale16, | |
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335 ImageInterpolation_Bilinear>(target, source, a, clear); |
182 | 336 break; |
337 | |
338 default: | |
339 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
340 } | |
341 break; | |
342 | |
338 | 343 case Orthanc::PixelFormat_Float32: |
344 switch (interpolation) | |
345 { | |
346 case ImageInterpolation_Nearest: | |
347 ApplyAffineInternal<Orthanc::PixelFormat_Float32, | |
340
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348 ImageInterpolation_Nearest>(target, source, a, clear); |
338 | 349 break; |
350 | |
351 case ImageInterpolation_Bilinear: | |
352 ApplyAffineInternal<Orthanc::PixelFormat_Float32, | |
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353 ImageInterpolation_Bilinear>(target, source, a, clear); |
338 | 354 break; |
355 | |
356 default: | |
357 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
358 } | |
359 break; | |
360 | |
182 | 361 case Orthanc::PixelFormat_RGB24: |
362 switch (interpolation) | |
363 { | |
364 case ImageInterpolation_Nearest: | |
365 ApplyAffineInternal<Orthanc::PixelFormat_RGB24, | |
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366 ImageInterpolation_Nearest>(target, source, a, clear); |
182 | 367 break; |
368 | |
369 default: | |
370 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
371 } | |
372 break; | |
373 | |
374 default: | |
375 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
376 } | |
377 } | |
378 | |
379 | |
380 template <Orthanc::PixelFormat Format, | |
381 ImageInterpolation Interpolation> | |
190 | 382 static void ApplyProjectiveInternal(Orthanc::ImageAccessor& target, |
383 const Orthanc::ImageAccessor& source, | |
384 const Matrix& a, | |
385 const Matrix& inva) | |
182 | 386 { |
387 assert(target.GetFormat() == Format && | |
388 source.GetFormat() == Format); | |
389 | |
390 typedef SubpixelReader<Format, Interpolation> Reader; | |
391 typedef typename Reader::PixelType PixelType; | |
392 | |
393 Reader reader(source); | |
394 unsigned int x1, y1, x2, y2; | |
395 | |
507 | 396 const float floatWidth = static_cast<float>(source.GetWidth()); |
397 const float floatHeight = static_cast<float>(source.GetHeight()); | |
182 | 398 |
190 | 399 if (GetProjectiveTransformExtent(x1, y1, x2, y2, a, |
182 | 400 source.GetWidth(), source.GetHeight(), |
401 target.GetWidth(), target.GetHeight())) | |
402 { | |
403 const size_t targetPitch = target.GetPitch(); | |
191
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404 uint8_t *targetRow = reinterpret_cast<uint8_t*> |
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405 (reinterpret_cast<PixelType*>(target.GetRow(y1)) + x1); |
182 | 406 |
407 for (unsigned int y = y1; y <= y2; y++) | |
408 { | |
409 PixelType *p = reinterpret_cast<PixelType*>(targetRow); | |
410 | |
411 for (unsigned int x = x1; x <= x2; x++) | |
412 { | |
413 Vector v; | |
414 LinearAlgebra::AssignVector(v, static_cast<double>(x) + 0.5, | |
415 static_cast<double>(y) + 0.5, 1); | |
416 | |
417 Vector vv = LinearAlgebra::Product(inva, v); | |
418 | |
419 assert(!LinearAlgebra::IsCloseToZero(vv[2])); | |
420 const double w = 1.0 / vv[2]; | |
421 const float sourceX = static_cast<float>(vv[0] * w); | |
422 const float sourceY = static_cast<float>(vv[1] * w); | |
423 | |
424 // Make sure no integer overflow will occur after truncation | |
425 // (the static_cast<unsigned int> could otherwise throw an | |
190 | 426 // exception in WebAssembly if strong projective effects) |
182 | 427 if (sourceX < floatWidth && |
428 sourceY < floatHeight) | |
429 { | |
430 reader.GetValue(*p, sourceX, sourceY); | |
431 } | |
432 | |
433 p++; | |
434 } | |
435 | |
436 targetRow += targetPitch; | |
437 } | |
438 } | |
439 } | |
440 | |
441 | |
190 | 442 void ApplyProjectiveTransform(Orthanc::ImageAccessor& target, |
443 const Orthanc::ImageAccessor& source, | |
444 const Matrix& a, | |
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445 ImageInterpolation interpolation, |
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446 bool clear) |
182 | 447 { |
448 if (source.GetFormat() != target.GetFormat()) | |
449 { | |
450 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
451 } | |
452 | |
453 if (a.size1() != 3 || | |
454 a.size2() != 3) | |
455 { | |
456 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
457 } | |
458 | |
459 if (interpolation != ImageInterpolation_Nearest && | |
460 interpolation != ImageInterpolation_Bilinear) | |
461 { | |
462 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
463 } | |
464 | |
465 // Check whether we are dealing with an affine transform | |
466 if (LinearAlgebra::IsCloseToZero(a(2, 0)) && | |
467 LinearAlgebra::IsCloseToZero(a(2, 1))) | |
468 { | |
469 double w = a(2, 2); | |
470 if (LinearAlgebra::IsCloseToZero(w)) | |
471 { | |
190 | 472 LOG(ERROR) << "Singular projective matrix"; |
182 | 473 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
474 } | |
475 else | |
476 { | |
477 ApplyAffineTransform(target, source, | |
478 a(0, 0) / w, a(0, 1) / w, a(0, 2) / w, | |
479 a(1, 0) / w, a(1, 1) / w, a(1, 2) / w, | |
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480 interpolation, clear); |
182 | 481 return; |
482 } | |
483 } | |
484 | |
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485 if (clear) |
182 | 486 { |
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487 if (target.GetFormat() == Orthanc::PixelFormat_RGB24) |
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488 { |
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489 Orthanc::ImageProcessing::Set(target, 0, 0, 0, 255); |
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490 } |
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491 else |
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492 { |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
338
diff
changeset
|
493 Orthanc::ImageProcessing::Set(target, 0); |
f5d5814a41a0
rendering BitmapStack
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
338
diff
changeset
|
494 } |
182 | 495 } |
496 | |
497 Matrix inva; | |
498 if (!LinearAlgebra::InvertMatrixUnsafe(inva, a)) | |
499 { | |
500 return; | |
501 } | |
502 | |
503 switch (source.GetFormat()) | |
504 { | |
505 case Orthanc::PixelFormat_Grayscale8: | |
506 switch (interpolation) | |
507 { | |
508 case ImageInterpolation_Nearest: | |
190 | 509 ApplyProjectiveInternal<Orthanc::PixelFormat_Grayscale8, |
510 ImageInterpolation_Nearest>(target, source, a, inva); | |
182 | 511 break; |
512 | |
513 case ImageInterpolation_Bilinear: | |
190 | 514 ApplyProjectiveInternal<Orthanc::PixelFormat_Grayscale8, |
515 ImageInterpolation_Bilinear>(target, source, a, inva); | |
182 | 516 break; |
517 | |
518 default: | |
519 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
520 } | |
521 break; | |
522 | |
523 case Orthanc::PixelFormat_Grayscale16: | |
524 switch (interpolation) | |
525 { | |
526 case ImageInterpolation_Nearest: | |
190 | 527 ApplyProjectiveInternal<Orthanc::PixelFormat_Grayscale16, |
528 ImageInterpolation_Nearest>(target, source, a, inva); | |
182 | 529 break; |
530 | |
531 case ImageInterpolation_Bilinear: | |
190 | 532 ApplyProjectiveInternal<Orthanc::PixelFormat_Grayscale16, |
533 ImageInterpolation_Bilinear>(target, source, a, inva); | |
182 | 534 break; |
535 | |
536 default: | |
537 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
538 } | |
539 break; | |
540 | |
541 case Orthanc::PixelFormat_SignedGrayscale16: | |
542 switch (interpolation) | |
543 { | |
544 case ImageInterpolation_Nearest: | |
190 | 545 ApplyProjectiveInternal<Orthanc::PixelFormat_SignedGrayscale16, |
546 ImageInterpolation_Nearest>(target, source, a, inva); | |
182 | 547 break; |
548 | |
549 case ImageInterpolation_Bilinear: | |
190 | 550 ApplyProjectiveInternal<Orthanc::PixelFormat_SignedGrayscale16, |
551 ImageInterpolation_Bilinear>(target, source, a, inva); | |
182 | 552 break; |
553 | |
554 default: | |
555 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
556 } | |
557 break; | |
558 | |
338 | 559 case Orthanc::PixelFormat_Float32: |
560 switch (interpolation) | |
561 { | |
562 case ImageInterpolation_Nearest: | |
563 ApplyProjectiveInternal<Orthanc::PixelFormat_Float32, | |
564 ImageInterpolation_Nearest>(target, source, a, inva); | |
565 break; | |
566 | |
567 case ImageInterpolation_Bilinear: | |
568 ApplyProjectiveInternal<Orthanc::PixelFormat_Float32, | |
569 ImageInterpolation_Bilinear>(target, source, a, inva); | |
570 break; | |
571 | |
572 default: | |
573 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
574 } | |
575 break; | |
576 | |
182 | 577 case Orthanc::PixelFormat_RGB24: |
578 switch (interpolation) | |
579 { | |
580 case ImageInterpolation_Nearest: | |
190 | 581 ApplyProjectiveInternal<Orthanc::PixelFormat_RGB24, |
582 ImageInterpolation_Nearest>(target, source, a, inva); | |
182 | 583 break; |
584 | |
585 default: | |
586 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
587 } | |
588 break; | |
589 | |
590 default: | |
591 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
592 } | |
593 } | |
594 } |