Mercurial > hg > orthanc-wsi
annotate Framework/ImageToolbox.cpp @ 195:fda17c92d784
removing HAS_ORTHANC_EXCEPTION
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 30 Jun 2020 18:11:30 +0200 |
| parents | f299c191cd76 |
| children | a1c265cb2174 |
| 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 | |
|
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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 | |
|
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22 #include "PrecompiledHeadersWSI.h" |
| 0 | 23 #include "ImageToolbox.h" |
| 24 | |
| 25 #include "Jpeg2000Reader.h" | |
| 26 #include "Jpeg2000Writer.h" | |
| 27 | |
| 192 | 28 #include <OrthancException.h> |
| 29 #include <Images/ImageProcessing.h> | |
| 30 #include <Images/PngReader.h> | |
| 31 #include <Images/PngWriter.h> | |
| 32 #include <Images/JpegReader.h> | |
| 33 #include <Images/JpegWriter.h> | |
| 34 #include <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 | |
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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 | |
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329 const unsigned int bytesPerPixel = source.GetBytesPerPixel(); // Corresponds to the number of channels tx (*) |
| 0 | 330 |
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331 std::auto_ptr<Orthanc::ImageAccessor> target(Allocate(source.GetFormat(), |
| 0 | 332 source.GetWidth() / 2, |
| 333 source.GetHeight() / 2)); | |
| 334 | |
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335 for (unsigned int y = 0; y < target->GetHeight(); y++) |
| 0 | 336 { |
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337 uint8_t* q = reinterpret_cast<uint8_t*>(target->GetRow(y)); |
| 0 | 338 |
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339 for (unsigned int x = 0; x < target->GetWidth(); x++, q += bytesPerPixel) |
| 0 | 340 { |
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341 for (unsigned int c = 0; c < bytesPerPixel; c++) |
| 0 | 342 { |
| 343 if (smooth) | |
| 344 { | |
| 87 | 345 q[c] = SmoothPixelValue(source, 2 * x, 2 * y, c, bytesPerPixel); |
| 0 | 346 } |
| 347 else | |
| 348 { | |
| 87 | 349 q[c] = GetPixelValue(source, 2 * x, 2 * y, c, 0, 0, bytesPerPixel); |
| 0 | 350 } |
| 351 } | |
| 352 } | |
| 353 } | |
| 354 | |
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355 return target.release(); |
| 0 | 356 } |
| 357 | |
| 358 | |
| 359 Orthanc::ImageAccessor* Clone(const Orthanc::ImageAccessor& accessor) | |
| 360 { | |
| 361 std::auto_ptr<Orthanc::ImageAccessor> result(Allocate(accessor.GetFormat(), | |
| 362 accessor.GetWidth(), | |
| 363 accessor.GetHeight())); | |
| 364 Embed(*result, accessor, 0, 0); | |
| 365 | |
| 366 return result.release(); | |
| 367 } | |
| 368 | |
| 369 | |
| 370 Orthanc::ImageAccessor* Render(ITiledPyramid& pyramid, | |
| 371 unsigned int level) | |
| 372 { | |
| 373 std::auto_ptr<Orthanc::ImageAccessor> result(Allocate(pyramid.GetPixelFormat(), | |
| 374 pyramid.GetLevelWidth(level), | |
| 375 pyramid.GetLevelHeight(level))); | |
| 376 | |
| 377 LOG(INFO) << "Rendering a tiled image of size " << result->GetWidth() << "x" << result->GetHeight(); | |
| 378 | |
| 379 for (unsigned int y = 0; y < result->GetHeight(); y += pyramid.GetTileHeight()) | |
| 380 { | |
| 381 for (unsigned int x = 0; x < result->GetWidth(); x += pyramid.GetTileWidth()) | |
| 382 { | |
| 383 std::auto_ptr<Orthanc::ImageAccessor> tile(pyramid.DecodeTile(level, | |
| 384 x / pyramid.GetTileWidth(), | |
| 385 y / pyramid.GetTileHeight())); | |
| 386 Embed(*result, *tile, x, y); | |
| 387 } | |
| 388 } | |
| 389 | |
| 390 return result.release(); | |
| 391 } | |
| 392 } | |
| 393 } |