Mercurial > hg > orthanc-stone
annotate Framework/Volumes/ImageBuffer3D.cpp @ 87:4a541cd4fa83 wasm
OrthancVolumeImageLoader
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 26 May 2017 15:31:58 +0200 |
| parents | 28956ed68280 |
| children | e0ddd8cad909 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017 Osimis, Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 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. | |
| 0 | 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 | |
| 47 | 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 | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "ImageBuffer3D.h" | |
| 23 | |
| 16 | 24 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h" |
| 25 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
| 0 | 26 |
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27 #include <string.h> |
|
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28 |
| 0 | 29 namespace OrthancStone |
| 30 { | |
| 31 Orthanc::ImageAccessor ImageBuffer3D::GetAxialSliceAccessor(unsigned int slice, | |
| 32 bool readOnly) | |
| 33 { | |
| 34 if (slice >= depth_) | |
| 35 { | |
| 36 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 37 } | |
| 38 | |
| 39 Orthanc::ImageAccessor accessor; | |
| 40 | |
| 41 if (readOnly) | |
| 42 { | |
| 43 accessor.AssignReadOnly(format_, width_, height_, image_.GetPitch(), | |
| 44 image_.GetConstRow(height_ * (depth_ - 1 - slice))); | |
| 45 } | |
| 46 else | |
| 47 { | |
| 48 accessor.AssignWritable(format_, width_, height_, image_.GetPitch(), | |
| 49 image_.GetRow(height_ * (depth_ - 1 - slice))); | |
| 50 } | |
| 51 | |
| 52 return accessor; | |
| 53 } | |
| 54 | |
| 55 | |
| 56 Orthanc::ImageAccessor ImageBuffer3D::GetCoronalSliceAccessor(unsigned int slice, | |
| 57 bool readOnly) | |
| 58 { | |
| 59 if (slice >= height_) | |
| 60 { | |
| 61 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 62 } | |
| 63 | |
| 64 Orthanc::ImageAccessor accessor; | |
| 65 | |
| 66 if (readOnly) | |
| 67 { | |
| 68 accessor.AssignReadOnly(format_, width_, depth_, image_.GetPitch() * height_, | |
| 69 image_.GetConstRow(slice)); | |
| 70 } | |
| 71 else | |
| 72 { | |
| 73 accessor.AssignWritable(format_, width_, depth_, image_.GetPitch() * height_, | |
| 74 image_.GetRow(slice)); | |
| 75 } | |
| 76 | |
| 77 return accessor; | |
| 78 } | |
| 79 | |
| 80 | |
| 81 Orthanc::Image* ImageBuffer3D::ExtractSagittalSlice(unsigned int slice) const | |
| 82 { | |
| 83 if (slice >= width_) | |
| 84 { | |
| 85 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 86 } | |
| 87 | |
| 11 | 88 std::auto_ptr<Orthanc::Image> result(new Orthanc::Image(format_, height_, depth_, false)); |
| 0 | 89 |
| 90 unsigned int bytesPerPixel = Orthanc::GetBytesPerPixel(format_); | |
| 91 | |
| 92 for (unsigned int z = 0; z < depth_; z++) | |
| 93 { | |
| 94 //uint8_t* target = reinterpret_cast<uint8_t*>(result->GetRow(depth_ - 1 - z)); | |
| 95 uint8_t* target = reinterpret_cast<uint8_t*>(result->GetRow(z)); | |
| 96 | |
| 97 for (unsigned int y = 0; y < height_; y++) | |
| 98 { | |
| 99 const void* source = (reinterpret_cast<const uint8_t*>(image_.GetConstRow(y + z * height_)) + | |
| 100 bytesPerPixel * slice); | |
| 101 | |
| 102 memcpy(target, source, bytesPerPixel); | |
| 103 target += bytesPerPixel; | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 return result.release(); | |
| 108 } | |
| 109 | |
| 110 | |
| 111 ImageBuffer3D::ImageBuffer3D(Orthanc::PixelFormat format, | |
| 112 unsigned int width, | |
| 113 unsigned int height, | |
| 114 unsigned int depth) : | |
| 11 | 115 image_(format, width, height * depth, false), |
| 0 | 116 format_(format), |
| 117 width_(width), | |
| 118 height_(height), | |
| 119 depth_(depth) | |
| 120 { | |
| 121 GeometryToolbox::AssignVector(voxelDimensions_, 1, 1, 1); | |
| 122 } | |
| 123 | |
| 124 | |
| 125 void ImageBuffer3D::Clear() | |
| 126 { | |
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parents:
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127 memset(image_.GetBuffer(), 0, image_.GetHeight() * image_.GetPitch()); |
| 0 | 128 } |
| 129 | |
| 130 | |
| 131 void ImageBuffer3D::SetAxialGeometry(const SliceGeometry& geometry) | |
| 132 { | |
| 133 axialGeometry_ = geometry; | |
| 134 } | |
| 135 | |
| 136 | |
| 137 void ImageBuffer3D::SetVoxelDimensions(double x, | |
| 138 double y, | |
| 139 double z) | |
| 140 { | |
| 141 if (x <= 0 || | |
| 142 y <= 0 || | |
| 143 z <= 0) | |
| 144 { | |
| 145 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 146 } | |
| 147 | |
| 148 { | |
| 149 GeometryToolbox::AssignVector(voxelDimensions_, x, y, z); | |
| 150 } | |
| 151 } | |
| 152 | |
| 153 | |
| 154 Vector ImageBuffer3D::GetVoxelDimensions(VolumeProjection projection) | |
| 155 { | |
| 156 Vector result; | |
| 157 switch (projection) | |
| 158 { | |
| 159 case VolumeProjection_Axial: | |
| 160 result = voxelDimensions_; | |
| 161 break; | |
| 162 | |
| 163 case VolumeProjection_Coronal: | |
| 164 GeometryToolbox::AssignVector(result, voxelDimensions_[0], voxelDimensions_[2], voxelDimensions_[1]); | |
| 165 break; | |
| 166 | |
| 167 case VolumeProjection_Sagittal: | |
| 168 GeometryToolbox::AssignVector(result, voxelDimensions_[1], voxelDimensions_[2], voxelDimensions_[0]); | |
| 169 break; | |
| 170 | |
| 171 default: | |
| 172 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 173 } | |
| 174 | |
| 175 return result; | |
| 176 } | |
| 177 | |
| 178 | |
| 179 void ImageBuffer3D::GetSliceSize(unsigned int& width, | |
| 180 unsigned int& height, | |
| 181 VolumeProjection projection) | |
| 182 { | |
| 183 switch (projection) | |
| 184 { | |
| 185 case VolumeProjection_Axial: | |
| 186 width = width_; | |
| 187 height = height_; | |
| 188 break; | |
| 189 | |
| 190 case VolumeProjection_Coronal: | |
| 191 width = width_; | |
| 192 height = depth_; | |
| 193 break; | |
| 194 | |
| 195 case VolumeProjection_Sagittal: | |
| 196 width = height_; | |
| 197 height = depth_; | |
| 198 break; | |
| 199 | |
| 200 default: | |
| 201 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 | |
| 206 ParallelSlices* ImageBuffer3D::GetGeometry(VolumeProjection projection) | |
| 207 { | |
| 208 std::auto_ptr<ParallelSlices> result(new ParallelSlices); | |
| 209 | |
| 210 switch (projection) | |
| 211 { | |
| 212 case VolumeProjection_Axial: | |
| 213 for (unsigned int z = 0; z < depth_; z++) | |
| 214 { | |
| 215 Vector origin = axialGeometry_.GetOrigin(); | |
| 216 origin += static_cast<double>(z) * voxelDimensions_[2] * axialGeometry_.GetNormal(); | |
| 217 | |
| 218 result->AddSlice(origin, | |
| 219 axialGeometry_.GetAxisX(), | |
| 220 axialGeometry_.GetAxisY()); | |
| 221 } | |
| 222 break; | |
| 223 | |
| 224 case VolumeProjection_Coronal: | |
| 225 for (unsigned int y = 0; y < height_; y++) | |
| 226 { | |
| 227 Vector origin = axialGeometry_.GetOrigin(); | |
| 228 origin += static_cast<double>(y) * voxelDimensions_[1] * axialGeometry_.GetAxisY(); | |
| 229 origin += static_cast<double>(depth_ - 1) * voxelDimensions_[2] * axialGeometry_.GetNormal(); | |
| 230 | |
| 231 result->AddSlice(origin, | |
| 232 axialGeometry_.GetAxisX(), | |
| 233 -axialGeometry_.GetNormal()); | |
| 234 } | |
| 235 break; | |
| 236 | |
| 237 case VolumeProjection_Sagittal: | |
| 238 for (unsigned int x = 0; x < width_; x++) | |
| 239 { | |
| 240 Vector origin = axialGeometry_.GetOrigin(); | |
| 241 origin += static_cast<double>(x) * voxelDimensions_[0] * axialGeometry_.GetAxisX(); | |
| 242 origin += static_cast<double>(depth_ - 1) * voxelDimensions_[2] * axialGeometry_.GetNormal(); | |
| 243 | |
| 244 result->AddSlice(origin, | |
| 245 axialGeometry_.GetAxisY(), | |
| 246 -axialGeometry_.GetNormal()); | |
| 247 } | |
| 248 break; | |
| 249 | |
| 250 default: | |
| 251 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 252 } | |
| 253 | |
| 254 return result.release(); | |
| 255 } | |
| 256 | |
| 257 | |
| 258 ImageBuffer3D::SliceReader::SliceReader(ImageBuffer3D& that, | |
| 259 VolumeProjection projection, | |
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4a541cd4fa83
OrthancVolumeImageLoader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
47
diff
changeset
|
260 unsigned int slice) |
| 0 | 261 { |
| 262 switch (projection) | |
| 263 { | |
| 264 case VolumeProjection_Axial: | |
| 265 accessor_ = that.GetAxialSliceAccessor(slice, true); | |
| 266 break; | |
| 267 | |
| 268 case VolumeProjection_Coronal: | |
| 269 accessor_ = that.GetCoronalSliceAccessor(slice, true); | |
| 270 break; | |
| 271 | |
| 272 case VolumeProjection_Sagittal: | |
| 273 sagittal_.reset(that.ExtractSagittalSlice(slice)); | |
| 274 accessor_ = *sagittal_; | |
| 275 break; | |
| 276 | |
| 277 default: | |
| 278 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 279 } | |
| 280 } | |
| 281 | |
| 282 | |
| 283 void ImageBuffer3D::SliceWriter::Flush() | |
| 284 { | |
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OrthancVolumeImageLoader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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285 if (modified_) |
| 0 | 286 { |
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4a541cd4fa83
OrthancVolumeImageLoader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
47
diff
changeset
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287 if (sagittal_.get() != NULL) |
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4a541cd4fa83
OrthancVolumeImageLoader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
47
diff
changeset
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288 { |
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4a541cd4fa83
OrthancVolumeImageLoader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
47
diff
changeset
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289 // TODO |
|
4a541cd4fa83
OrthancVolumeImageLoader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
47
diff
changeset
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290 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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4a541cd4fa83
OrthancVolumeImageLoader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
47
diff
changeset
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291 } |
| 0 | 292 } |
| 293 } | |
| 294 | |
| 295 | |
| 296 ImageBuffer3D::SliceWriter::SliceWriter(ImageBuffer3D& that, | |
| 297 VolumeProjection projection, | |
| 298 unsigned int slice) : | |
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4a541cd4fa83
OrthancVolumeImageLoader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
47
diff
changeset
|
299 modified_(false) |
| 0 | 300 { |
| 301 switch (projection) | |
| 302 { | |
| 303 case VolumeProjection_Axial: | |
| 304 accessor_ = that.GetAxialSliceAccessor(slice, false); | |
| 305 break; | |
| 306 | |
| 307 case VolumeProjection_Coronal: | |
| 308 accessor_ = that.GetCoronalSliceAccessor(slice, false); | |
| 309 break; | |
| 310 | |
| 311 case VolumeProjection_Sagittal: | |
| 312 sagittal_.reset(that.ExtractSagittalSlice(slice)); | |
| 313 accessor_ = *sagittal_; | |
| 314 break; | |
| 315 | |
| 316 default: | |
| 317 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 318 } | |
| 319 } | |
| 320 } |