Mercurial > hg > orthanc-wsi
annotate Resources/Orthanc/Core/Images/ImageProcessing.cpp @ 98:ff0ef01c332c
shared copyright with osimis
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 04 Jan 2017 16:43:25 +0100 |
| parents | 7a3853d51c45 |
| children | 16b8e1cc9bbf |
| rev | line source |
|---|---|
| 1 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
98
ff0ef01c332c
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
59
diff
changeset
|
5 * Copyright (C) 2017 Osimis, Belgium |
| 1 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU General Public License as | |
| 9 * published by the Free Software Foundation, either version 3 of the | |
| 10 * License, or (at your option) any later version. | |
| 11 * | |
| 12 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 23 * | |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
| 34 #include "../PrecompiledHeaders.h" | |
| 35 #include "ImageProcessing.h" | |
| 36 | |
| 37 #include "../OrthancException.h" | |
| 38 | |
| 39 #include <boost/math/special_functions/round.hpp> | |
| 40 | |
| 41 #include <cassert> | |
| 42 #include <string.h> | |
| 43 #include <limits> | |
| 44 #include <stdint.h> | |
| 45 | |
| 46 namespace Orthanc | |
| 47 { | |
| 48 template <typename TargetType, typename SourceType> | |
| 49 static void ConvertInternal(ImageAccessor& target, | |
| 50 const ImageAccessor& source) | |
| 51 { | |
| 52 const TargetType minValue = std::numeric_limits<TargetType>::min(); | |
| 53 const TargetType maxValue = std::numeric_limits<TargetType>::max(); | |
| 54 | |
| 55 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 56 { | |
| 57 TargetType* t = reinterpret_cast<TargetType*>(target.GetRow(y)); | |
| 58 const SourceType* s = reinterpret_cast<const SourceType*>(source.GetConstRow(y)); | |
| 59 | |
| 60 for (unsigned int x = 0; x < source.GetWidth(); x++, t++, s++) | |
| 61 { | |
| 62 if (static_cast<int32_t>(*s) < static_cast<int32_t>(minValue)) | |
| 63 { | |
| 64 *t = minValue; | |
| 65 } | |
| 66 else if (static_cast<int32_t>(*s) > static_cast<int32_t>(maxValue)) | |
| 67 { | |
| 68 *t = maxValue; | |
| 69 } | |
| 70 else | |
| 71 { | |
| 72 *t = static_cast<TargetType>(*s); | |
| 73 } | |
| 74 } | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 | |
| 79 template <typename SourceType> | |
| 80 static void ConvertGrayscaleToFloat(ImageAccessor& target, | |
| 81 const ImageAccessor& source) | |
| 82 { | |
| 83 assert(sizeof(float) == 4); | |
| 84 | |
| 85 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 86 { | |
| 87 float* t = reinterpret_cast<float*>(target.GetRow(y)); | |
| 88 const SourceType* s = reinterpret_cast<const SourceType*>(source.GetConstRow(y)); | |
| 89 | |
| 90 for (unsigned int x = 0; x < source.GetWidth(); x++, t++, s++) | |
| 91 { | |
| 92 *t = static_cast<float>(*s); | |
| 93 } | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 | |
| 98 template <typename TargetType> | |
| 99 static void ConvertColorToGrayscale(ImageAccessor& target, | |
| 100 const ImageAccessor& source) | |
| 101 { | |
| 102 assert(source.GetFormat() == PixelFormat_RGB24); | |
| 103 | |
| 104 const TargetType minValue = std::numeric_limits<TargetType>::min(); | |
| 105 const TargetType maxValue = std::numeric_limits<TargetType>::max(); | |
| 106 | |
| 107 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 108 { | |
| 109 TargetType* t = reinterpret_cast<TargetType*>(target.GetRow(y)); | |
| 110 const uint8_t* s = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); | |
| 111 | |
| 112 for (unsigned int x = 0; x < source.GetWidth(); x++, t++, s += 3) | |
| 113 { | |
| 114 // Y = 0.2126 R + 0.7152 G + 0.0722 B | |
| 115 int32_t v = (2126 * static_cast<int32_t>(s[0]) + | |
| 116 7152 * static_cast<int32_t>(s[1]) + | |
| 117 0722 * static_cast<int32_t>(s[2])) / 1000; | |
| 118 | |
| 119 if (static_cast<int32_t>(v) < static_cast<int32_t>(minValue)) | |
| 120 { | |
| 121 *t = minValue; | |
| 122 } | |
| 123 else if (static_cast<int32_t>(v) > static_cast<int32_t>(maxValue)) | |
| 124 { | |
| 125 *t = maxValue; | |
| 126 } | |
| 127 else | |
| 128 { | |
| 129 *t = static_cast<TargetType>(v); | |
| 130 } | |
| 131 } | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 | |
| 136 template <typename PixelType> | |
| 137 static void SetInternal(ImageAccessor& image, | |
| 138 int64_t constant) | |
| 139 { | |
| 140 for (unsigned int y = 0; y < image.GetHeight(); y++) | |
| 141 { | |
| 142 PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); | |
| 143 | |
| 144 for (unsigned int x = 0; x < image.GetWidth(); x++, p++) | |
| 145 { | |
| 146 *p = static_cast<PixelType>(constant); | |
| 147 } | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 | |
| 152 template <typename PixelType> | |
| 153 static void GetMinMaxValueInternal(PixelType& minValue, | |
| 154 PixelType& maxValue, | |
| 155 const ImageAccessor& source) | |
| 156 { | |
| 157 // Deal with the special case of empty image | |
| 158 if (source.GetWidth() == 0 || | |
| 159 source.GetHeight() == 0) | |
| 160 { | |
| 161 minValue = 0; | |
| 162 maxValue = 0; | |
| 163 return; | |
| 164 } | |
| 165 | |
| 166 minValue = std::numeric_limits<PixelType>::max(); | |
| 167 maxValue = std::numeric_limits<PixelType>::min(); | |
| 168 | |
| 169 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 170 { | |
| 171 const PixelType* p = reinterpret_cast<const PixelType*>(source.GetConstRow(y)); | |
| 172 | |
| 173 for (unsigned int x = 0; x < source.GetWidth(); x++, p++) | |
| 174 { | |
| 175 if (*p < minValue) | |
| 176 { | |
| 177 minValue = *p; | |
| 178 } | |
| 179 | |
| 180 if (*p > maxValue) | |
| 181 { | |
| 182 maxValue = *p; | |
| 183 } | |
| 184 } | |
| 185 } | |
| 186 } | |
| 187 | |
| 188 | |
| 189 | |
| 190 template <typename PixelType> | |
| 191 static void AddConstantInternal(ImageAccessor& image, | |
| 192 int64_t constant) | |
| 193 { | |
| 194 if (constant == 0) | |
| 195 { | |
| 196 return; | |
| 197 } | |
| 198 | |
| 199 const int64_t minValue = std::numeric_limits<PixelType>::min(); | |
| 200 const int64_t maxValue = std::numeric_limits<PixelType>::max(); | |
| 201 | |
| 202 for (unsigned int y = 0; y < image.GetHeight(); y++) | |
| 203 { | |
| 204 PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); | |
| 205 | |
| 206 for (unsigned int x = 0; x < image.GetWidth(); x++, p++) | |
| 207 { | |
| 208 int64_t v = static_cast<int64_t>(*p) + constant; | |
| 209 | |
| 210 if (v > maxValue) | |
| 211 { | |
| 212 *p = std::numeric_limits<PixelType>::max(); | |
| 213 } | |
| 214 else if (v < minValue) | |
| 215 { | |
| 216 *p = std::numeric_limits<PixelType>::min(); | |
| 217 } | |
| 218 else | |
| 219 { | |
| 220 *p = static_cast<PixelType>(v); | |
| 221 } | |
| 222 } | |
| 223 } | |
| 224 } | |
| 225 | |
| 226 | |
| 227 | |
| 228 template <typename PixelType> | |
| 229 void MultiplyConstantInternal(ImageAccessor& image, | |
| 230 float factor) | |
| 231 { | |
| 232 if (std::abs(factor - 1.0f) <= std::numeric_limits<float>::epsilon()) | |
| 233 { | |
| 234 return; | |
| 235 } | |
| 236 | |
| 237 const int64_t minValue = std::numeric_limits<PixelType>::min(); | |
| 238 const int64_t maxValue = std::numeric_limits<PixelType>::max(); | |
| 239 | |
| 240 for (unsigned int y = 0; y < image.GetHeight(); y++) | |
| 241 { | |
| 242 PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); | |
| 243 | |
| 244 for (unsigned int x = 0; x < image.GetWidth(); x++, p++) | |
| 245 { | |
| 246 int64_t v = boost::math::llround(static_cast<float>(*p) * factor); | |
| 247 | |
| 248 if (v > maxValue) | |
| 249 { | |
| 250 *p = std::numeric_limits<PixelType>::max(); | |
| 251 } | |
| 252 else if (v < minValue) | |
| 253 { | |
| 254 *p = std::numeric_limits<PixelType>::min(); | |
| 255 } | |
| 256 else | |
| 257 { | |
| 258 *p = static_cast<PixelType>(v); | |
| 259 } | |
| 260 } | |
| 261 } | |
| 262 } | |
| 263 | |
| 264 | |
| 265 template <typename PixelType> | |
| 266 void ShiftScaleInternal(ImageAccessor& image, | |
| 267 float offset, | |
| 268 float scaling) | |
| 269 { | |
| 270 const float minValue = static_cast<float>(std::numeric_limits<PixelType>::min()); | |
| 271 const float maxValue = static_cast<float>(std::numeric_limits<PixelType>::max()); | |
| 272 | |
| 273 for (unsigned int y = 0; y < image.GetHeight(); y++) | |
| 274 { | |
| 275 PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); | |
| 276 | |
| 277 for (unsigned int x = 0; x < image.GetWidth(); x++, p++) | |
| 278 { | |
| 279 float v = (static_cast<float>(*p) + offset) * scaling; | |
| 280 | |
| 281 if (v > maxValue) | |
| 282 { | |
| 283 *p = std::numeric_limits<PixelType>::max(); | |
| 284 } | |
| 285 else if (v < minValue) | |
| 286 { | |
| 287 *p = std::numeric_limits<PixelType>::min(); | |
| 288 } | |
| 289 else | |
| 290 { | |
| 291 *p = static_cast<PixelType>(boost::math::iround(v)); | |
| 292 } | |
| 293 } | |
| 294 } | |
| 295 } | |
| 296 | |
| 297 | |
| 298 void ImageProcessing::Copy(ImageAccessor& target, | |
| 299 const ImageAccessor& source) | |
| 300 { | |
| 301 if (target.GetWidth() != source.GetWidth() || | |
| 302 target.GetHeight() != source.GetHeight()) | |
| 303 { | |
| 304 throw OrthancException(ErrorCode_IncompatibleImageSize); | |
| 305 } | |
| 306 | |
| 307 if (target.GetFormat() != source.GetFormat()) | |
| 308 { | |
| 309 throw OrthancException(ErrorCode_IncompatibleImageFormat); | |
| 310 } | |
| 311 | |
| 312 unsigned int lineSize = GetBytesPerPixel(source.GetFormat()) * source.GetWidth(); | |
| 313 | |
| 314 assert(source.GetPitch() >= lineSize && target.GetPitch() >= lineSize); | |
| 315 | |
| 316 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 317 { | |
| 318 memcpy(target.GetRow(y), source.GetConstRow(y), lineSize); | |
| 319 } | |
| 320 } | |
| 321 | |
| 322 | |
| 323 void ImageProcessing::Convert(ImageAccessor& target, | |
| 324 const ImageAccessor& source) | |
| 325 { | |
| 326 if (target.GetWidth() != source.GetWidth() || | |
| 327 target.GetHeight() != source.GetHeight()) | |
| 328 { | |
| 329 throw OrthancException(ErrorCode_IncompatibleImageSize); | |
| 330 } | |
| 331 | |
| 332 if (source.GetFormat() == target.GetFormat()) | |
| 333 { | |
| 334 Copy(target, source); | |
| 335 return; | |
| 336 } | |
| 337 | |
| 338 if (target.GetFormat() == PixelFormat_Grayscale16 && | |
| 339 source.GetFormat() == PixelFormat_Grayscale8) | |
| 340 { | |
| 341 ConvertInternal<uint16_t, uint8_t>(target, source); | |
| 342 return; | |
| 343 } | |
| 344 | |
| 345 if (target.GetFormat() == PixelFormat_SignedGrayscale16 && | |
| 346 source.GetFormat() == PixelFormat_Grayscale8) | |
| 347 { | |
| 348 ConvertInternal<int16_t, uint8_t>(target, source); | |
| 349 return; | |
| 350 } | |
| 351 | |
| 352 if (target.GetFormat() == PixelFormat_Grayscale8 && | |
| 353 source.GetFormat() == PixelFormat_Grayscale16) | |
| 354 { | |
| 355 ConvertInternal<uint8_t, uint16_t>(target, source); | |
| 356 return; | |
| 357 } | |
| 358 | |
| 359 if (target.GetFormat() == PixelFormat_SignedGrayscale16 && | |
| 360 source.GetFormat() == PixelFormat_Grayscale16) | |
| 361 { | |
| 362 ConvertInternal<int16_t, uint16_t>(target, source); | |
| 363 return; | |
| 364 } | |
| 365 | |
| 366 if (target.GetFormat() == PixelFormat_Grayscale8 && | |
| 367 source.GetFormat() == PixelFormat_SignedGrayscale16) | |
| 368 { | |
| 369 ConvertInternal<uint8_t, int16_t>(target, source); | |
| 370 return; | |
| 371 } | |
| 372 | |
| 373 if (target.GetFormat() == PixelFormat_Grayscale16 && | |
| 374 source.GetFormat() == PixelFormat_SignedGrayscale16) | |
| 375 { | |
| 376 ConvertInternal<uint16_t, int16_t>(target, source); | |
| 377 return; | |
| 378 } | |
| 379 | |
| 380 if (target.GetFormat() == PixelFormat_Grayscale8 && | |
| 381 source.GetFormat() == PixelFormat_RGB24) | |
| 382 { | |
| 383 ConvertColorToGrayscale<uint8_t>(target, source); | |
| 384 return; | |
| 385 } | |
| 386 | |
| 387 if (target.GetFormat() == PixelFormat_Grayscale16 && | |
| 388 source.GetFormat() == PixelFormat_RGB24) | |
| 389 { | |
| 390 ConvertColorToGrayscale<uint16_t>(target, source); | |
| 391 return; | |
| 392 } | |
| 393 | |
| 394 if (target.GetFormat() == PixelFormat_SignedGrayscale16 && | |
| 395 source.GetFormat() == PixelFormat_RGB24) | |
| 396 { | |
| 397 ConvertColorToGrayscale<int16_t>(target, source); | |
| 398 return; | |
| 399 } | |
| 400 | |
| 401 if (target.GetFormat() == PixelFormat_Float32 && | |
| 402 source.GetFormat() == PixelFormat_Grayscale8) | |
| 403 { | |
| 404 ConvertGrayscaleToFloat<uint8_t>(target, source); | |
| 405 return; | |
| 406 } | |
| 407 | |
| 408 if (target.GetFormat() == PixelFormat_Float32 && | |
| 409 source.GetFormat() == PixelFormat_Grayscale16) | |
| 410 { | |
| 411 ConvertGrayscaleToFloat<uint16_t>(target, source); | |
| 412 return; | |
| 413 } | |
| 414 | |
| 415 if (target.GetFormat() == PixelFormat_Float32 && | |
| 416 source.GetFormat() == PixelFormat_SignedGrayscale16) | |
| 417 { | |
| 418 ConvertGrayscaleToFloat<int16_t>(target, source); | |
| 419 return; | |
| 420 } | |
| 421 | |
| 422 if (target.GetFormat() == PixelFormat_Grayscale8 && | |
| 423 source.GetFormat() == PixelFormat_RGBA32) | |
| 424 { | |
| 425 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 426 { | |
| 427 const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); | |
| 428 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); | |
| 429 for (unsigned int x = 0; x < source.GetWidth(); x++, q++) | |
| 430 { | |
| 431 *q = static_cast<uint8_t>((2126 * static_cast<uint32_t>(p[0]) + | |
| 432 7152 * static_cast<uint32_t>(p[1]) + | |
| 433 0722 * static_cast<uint32_t>(p[2])) / 10000); | |
| 434 p += 4; | |
| 435 } | |
| 436 } | |
| 437 | |
| 438 return; | |
| 439 } | |
| 440 | |
| 441 if (target.GetFormat() == PixelFormat_RGB24 && | |
| 442 source.GetFormat() == PixelFormat_RGBA32) | |
| 443 { | |
| 444 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 445 { | |
| 446 const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); | |
| 447 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); | |
| 448 for (unsigned int x = 0; x < source.GetWidth(); x++) | |
| 449 { | |
| 450 q[0] = p[0]; | |
| 451 q[1] = p[1]; | |
| 452 q[2] = p[2]; | |
| 453 p += 4; | |
| 454 q += 3; | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 return; | |
| 459 } | |
| 460 | |
| 461 if (target.GetFormat() == PixelFormat_RGBA32 && | |
| 462 source.GetFormat() == PixelFormat_RGB24) | |
| 463 { | |
| 464 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 465 { | |
| 466 const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); | |
| 467 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); | |
| 468 for (unsigned int x = 0; x < source.GetWidth(); x++) | |
| 469 { | |
| 470 q[0] = p[0]; | |
| 471 q[1] = p[1]; | |
| 472 q[2] = p[2]; | |
| 473 q[3] = 255; // Set the alpha channel to full opacity | |
| 474 p += 3; | |
| 475 q += 4; | |
| 476 } | |
| 477 } | |
| 478 | |
| 479 return; | |
| 480 } | |
| 481 | |
| 482 if (target.GetFormat() == PixelFormat_RGB24 && | |
| 483 source.GetFormat() == PixelFormat_Grayscale8) | |
| 484 { | |
| 485 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 486 { | |
| 487 const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); | |
| 488 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); | |
| 489 for (unsigned int x = 0; x < source.GetWidth(); x++) | |
| 490 { | |
| 491 q[0] = *p; | |
| 492 q[1] = *p; | |
| 493 q[2] = *p; | |
| 494 p += 1; | |
| 495 q += 3; | |
| 496 } | |
| 497 } | |
| 498 | |
| 499 return; | |
| 500 } | |
| 501 | |
| 502 if (target.GetFormat() == PixelFormat_RGBA32 && | |
| 503 source.GetFormat() == PixelFormat_Grayscale8) | |
| 504 { | |
| 505 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 506 { | |
| 507 const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); | |
| 508 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); | |
| 509 for (unsigned int x = 0; x < source.GetWidth(); x++) | |
| 510 { | |
| 511 q[0] = *p; | |
| 512 q[1] = *p; | |
| 513 q[2] = *p; | |
| 514 q[3] = 255; | |
| 515 p += 1; | |
| 516 q += 4; | |
| 517 } | |
| 518 } | |
| 519 | |
| 520 return; | |
| 521 } | |
| 522 | |
| 523 if (target.GetFormat() == PixelFormat_BGRA32 && | |
| 524 source.GetFormat() == PixelFormat_RGB24) | |
| 525 { | |
| 526 for (unsigned int y = 0; y < source.GetHeight(); y++) | |
| 527 { | |
| 528 const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); | |
| 529 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); | |
| 530 for (unsigned int x = 0; x < source.GetWidth(); x++) | |
| 531 { | |
| 532 q[0] = p[2]; | |
| 533 q[1] = p[1]; | |
| 534 q[2] = p[0]; | |
| 535 q[3] = 255; | |
| 536 p += 3; | |
| 537 q += 4; | |
| 538 } | |
| 539 } | |
| 540 | |
| 541 return; | |
| 542 } | |
| 543 | |
| 544 throw OrthancException(ErrorCode_NotImplemented); | |
| 545 } | |
| 546 | |
| 547 | |
| 548 | |
| 549 void ImageProcessing::Set(ImageAccessor& image, | |
| 550 int64_t value) | |
| 551 { | |
| 552 switch (image.GetFormat()) | |
| 553 { | |
| 554 case PixelFormat_Grayscale8: | |
| 555 SetInternal<uint8_t>(image, value); | |
| 556 return; | |
| 557 | |
| 558 case PixelFormat_Grayscale16: | |
| 559 SetInternal<uint16_t>(image, value); | |
| 560 return; | |
| 561 | |
| 562 case PixelFormat_SignedGrayscale16: | |
| 563 SetInternal<int16_t>(image, value); | |
| 564 return; | |
| 565 | |
| 566 case PixelFormat_Float32: | |
| 567 assert(sizeof(float) == 4); | |
| 568 SetInternal<float>(image, value); | |
| 569 return; | |
| 570 | |
| 571 default: | |
| 572 throw OrthancException(ErrorCode_NotImplemented); | |
| 573 } | |
| 574 } | |
| 575 | |
| 576 | |
| 577 void ImageProcessing::Set(ImageAccessor& image, | |
| 578 uint8_t red, | |
| 579 uint8_t green, | |
| 580 uint8_t blue, | |
| 581 uint8_t alpha) | |
| 582 { | |
| 583 uint8_t p[4]; | |
| 584 unsigned int size; | |
| 585 | |
| 586 switch (image.GetFormat()) | |
| 587 { | |
| 588 case PixelFormat_RGBA32: | |
| 589 p[0] = red; | |
| 590 p[1] = green; | |
| 591 p[2] = blue; | |
| 592 p[3] = alpha; | |
| 593 size = 4; | |
| 594 break; | |
| 595 | |
| 596 case PixelFormat_BGRA32: | |
| 597 p[0] = blue; | |
| 598 p[1] = green; | |
| 599 p[2] = red; | |
| 600 p[3] = alpha; | |
| 601 size = 4; | |
| 602 break; | |
| 603 | |
| 604 case PixelFormat_RGB24: | |
| 605 p[0] = red; | |
| 606 p[1] = green; | |
| 607 p[2] = blue; | |
| 608 size = 3; | |
| 609 break; | |
| 610 | |
| 611 default: | |
| 612 throw OrthancException(ErrorCode_NotImplemented); | |
| 613 } | |
| 614 | |
| 615 for (unsigned int y = 0; y < image.GetHeight(); y++) | |
| 616 { | |
| 617 uint8_t* q = reinterpret_cast<uint8_t*>(image.GetRow(y)); | |
| 618 | |
| 619 for (unsigned int x = 0; x < image.GetWidth(); x++) | |
| 620 { | |
| 621 for (unsigned int i = 0; i < size; i++) | |
| 622 { | |
| 623 q[i] = p[i]; | |
| 624 } | |
| 625 | |
| 626 q += size; | |
| 627 } | |
| 628 } | |
| 629 } | |
| 630 | |
| 631 | |
| 632 void ImageProcessing::ShiftRight(ImageAccessor& image, | |
| 633 unsigned int shift) | |
| 634 { | |
| 635 if (image.GetWidth() == 0 || | |
| 636 image.GetHeight() == 0 || | |
| 637 shift == 0) | |
| 638 { | |
| 639 // Nothing to do | |
| 640 return; | |
| 641 } | |
| 642 | |
| 643 throw OrthancException(ErrorCode_NotImplemented); | |
| 644 } | |
| 645 | |
| 646 | |
| 647 void ImageProcessing::GetMinMaxValue(int64_t& minValue, | |
| 648 int64_t& maxValue, | |
| 649 const ImageAccessor& image) | |
| 650 { | |
| 651 switch (image.GetFormat()) | |
| 652 { | |
| 653 case PixelFormat_Grayscale8: | |
| 654 { | |
| 655 uint8_t a, b; | |
| 656 GetMinMaxValueInternal<uint8_t>(a, b, image); | |
| 657 minValue = a; | |
| 658 maxValue = b; | |
| 659 break; | |
| 660 } | |
| 661 | |
| 662 case PixelFormat_Grayscale16: | |
| 663 { | |
| 664 uint16_t a, b; | |
| 665 GetMinMaxValueInternal<uint16_t>(a, b, image); | |
| 666 minValue = a; | |
| 667 maxValue = b; | |
| 668 break; | |
| 669 } | |
| 670 | |
| 671 case PixelFormat_SignedGrayscale16: | |
| 672 { | |
| 673 int16_t a, b; | |
| 674 GetMinMaxValueInternal<int16_t>(a, b, image); | |
| 675 minValue = a; | |
| 676 maxValue = b; | |
| 677 break; | |
| 678 } | |
| 679 | |
| 680 default: | |
| 681 throw OrthancException(ErrorCode_NotImplemented); | |
| 682 } | |
| 683 } | |
| 684 | |
| 685 | |
| 686 | |
| 687 void ImageProcessing::AddConstant(ImageAccessor& image, | |
| 688 int64_t value) | |
| 689 { | |
| 690 switch (image.GetFormat()) | |
| 691 { | |
| 692 case PixelFormat_Grayscale8: | |
| 693 AddConstantInternal<uint8_t>(image, value); | |
| 694 return; | |
| 695 | |
| 696 case PixelFormat_Grayscale16: | |
| 697 AddConstantInternal<uint16_t>(image, value); | |
| 698 return; | |
| 699 | |
| 700 case PixelFormat_SignedGrayscale16: | |
| 701 AddConstantInternal<int16_t>(image, value); | |
| 702 return; | |
| 703 | |
| 704 default: | |
| 705 throw OrthancException(ErrorCode_NotImplemented); | |
| 706 } | |
| 707 } | |
| 708 | |
| 709 | |
| 710 void ImageProcessing::MultiplyConstant(ImageAccessor& image, | |
| 711 float factor) | |
| 712 { | |
| 713 switch (image.GetFormat()) | |
| 714 { | |
| 715 case PixelFormat_Grayscale8: | |
| 716 MultiplyConstantInternal<uint8_t>(image, factor); | |
| 717 return; | |
| 718 | |
| 719 case PixelFormat_Grayscale16: | |
| 720 MultiplyConstantInternal<uint16_t>(image, factor); | |
| 721 return; | |
| 722 | |
| 723 case PixelFormat_SignedGrayscale16: | |
| 724 MultiplyConstantInternal<int16_t>(image, factor); | |
| 725 return; | |
| 726 | |
| 727 default: | |
| 728 throw OrthancException(ErrorCode_NotImplemented); | |
| 729 } | |
| 730 } | |
| 731 | |
| 732 | |
| 733 void ImageProcessing::ShiftScale(ImageAccessor& image, | |
| 734 float offset, | |
| 735 float scaling) | |
| 736 { | |
| 737 switch (image.GetFormat()) | |
| 738 { | |
| 739 case PixelFormat_Grayscale8: | |
| 740 ShiftScaleInternal<uint8_t>(image, offset, scaling); | |
| 741 return; | |
| 742 | |
| 743 case PixelFormat_Grayscale16: | |
| 744 ShiftScaleInternal<uint16_t>(image, offset, scaling); | |
| 745 return; | |
| 746 | |
| 747 case PixelFormat_SignedGrayscale16: | |
| 748 ShiftScaleInternal<int16_t>(image, offset, scaling); | |
| 749 return; | |
| 750 | |
| 751 default: | |
| 752 throw OrthancException(ErrorCode_NotImplemented); | |
| 753 } | |
| 754 } | |
| 755 } |