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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "ImageBuffer3D.h"
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34
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35 #include "../Orthanc/Core/Images/ImageProcessing.h"
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36 #include "../Orthanc/Core/OrthancException.h"
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37
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38 namespace OrthancStone
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39 {
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40 Orthanc::ImageAccessor ImageBuffer3D::GetAxialSliceAccessor(unsigned int slice,
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41 bool readOnly)
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42 {
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43 if (slice >= depth_)
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44 {
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45 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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46 }
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47
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48 Orthanc::ImageAccessor accessor;
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49
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50 if (readOnly)
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51 {
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52 accessor.AssignReadOnly(format_, width_, height_, image_.GetPitch(),
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53 image_.GetConstRow(height_ * (depth_ - 1 - slice)));
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54 }
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55 else
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56 {
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57 accessor.AssignWritable(format_, width_, height_, image_.GetPitch(),
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58 image_.GetRow(height_ * (depth_ - 1 - slice)));
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59 }
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60
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61 return accessor;
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62 }
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63
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64
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65 Orthanc::ImageAccessor ImageBuffer3D::GetCoronalSliceAccessor(unsigned int slice,
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66 bool readOnly)
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67 {
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68 if (slice >= height_)
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69 {
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70 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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71 }
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72
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73 Orthanc::ImageAccessor accessor;
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74
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75 if (readOnly)
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76 {
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77 accessor.AssignReadOnly(format_, width_, depth_, image_.GetPitch() * height_,
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78 image_.GetConstRow(slice));
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79 }
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80 else
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81 {
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82 accessor.AssignWritable(format_, width_, depth_, image_.GetPitch() * height_,
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83 image_.GetRow(slice));
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84 }
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85
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86 return accessor;
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87 }
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88
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89
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90 Orthanc::Image* ImageBuffer3D::ExtractSagittalSlice(unsigned int slice) const
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91 {
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92 if (slice >= width_)
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93 {
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94 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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95 }
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96
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11
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97 std::auto_ptr<Orthanc::Image> result(new Orthanc::Image(format_, height_, depth_, false));
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0
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98
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99 unsigned int bytesPerPixel = Orthanc::GetBytesPerPixel(format_);
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100
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101 for (unsigned int z = 0; z < depth_; z++)
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102 {
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103 //uint8_t* target = reinterpret_cast<uint8_t*>(result->GetRow(depth_ - 1 - z));
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104 uint8_t* target = reinterpret_cast<uint8_t*>(result->GetRow(z));
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105
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106 for (unsigned int y = 0; y < height_; y++)
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107 {
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108 const void* source = (reinterpret_cast<const uint8_t*>(image_.GetConstRow(y + z * height_)) +
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109 bytesPerPixel * slice);
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110
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111 memcpy(target, source, bytesPerPixel);
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112 target += bytesPerPixel;
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113 }
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114 }
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115
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116 return result.release();
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117 }
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118
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119
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120 ImageBuffer3D::ImageBuffer3D(Orthanc::PixelFormat format,
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121 unsigned int width,
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122 unsigned int height,
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123 unsigned int depth) :
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11
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124 image_(format, width, height * depth, false),
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0
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125 format_(format),
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126 width_(width),
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127 height_(height),
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128 depth_(depth)
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129 {
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130 GeometryToolbox::AssignVector(voxelDimensions_, 1, 1, 1);
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131 }
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132
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133
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134 void ImageBuffer3D::Clear()
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135 {
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136 WriteLock lock(mutex_);
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137 Orthanc::ImageProcessing::Set(image_, 0);
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138 }
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139
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140
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141 void ImageBuffer3D::SetAxialGeometry(const SliceGeometry& geometry)
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142 {
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143 WriteLock lock(mutex_);
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144 axialGeometry_ = geometry;
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145 }
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146
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147
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148 void ImageBuffer3D::SetVoxelDimensions(double x,
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149 double y,
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150 double z)
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151 {
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152 if (x <= 0 ||
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153 y <= 0 ||
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154 z <= 0)
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155 {
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156 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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157 }
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158
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159 {
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160 WriteLock lock(mutex_);
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161 GeometryToolbox::AssignVector(voxelDimensions_, x, y, z);
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162 }
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163 }
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164
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165
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166 Vector ImageBuffer3D::GetVoxelDimensions(VolumeProjection projection)
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167 {
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168 ReadLock lock(mutex_);
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169
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170 Vector result;
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171 switch (projection)
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172 {
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173 case VolumeProjection_Axial:
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174 result = voxelDimensions_;
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175 break;
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176
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177 case VolumeProjection_Coronal:
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178 GeometryToolbox::AssignVector(result, voxelDimensions_[0], voxelDimensions_[2], voxelDimensions_[1]);
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179 break;
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180
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181 case VolumeProjection_Sagittal:
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182 GeometryToolbox::AssignVector(result, voxelDimensions_[1], voxelDimensions_[2], voxelDimensions_[0]);
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183 break;
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184
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185 default:
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186 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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187 }
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188
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189 return result;
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190 }
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191
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192
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193 void ImageBuffer3D::GetSliceSize(unsigned int& width,
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194 unsigned int& height,
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195 VolumeProjection projection)
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196 {
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197 switch (projection)
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198 {
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199 case VolumeProjection_Axial:
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200 width = width_;
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201 height = height_;
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202 break;
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203
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204 case VolumeProjection_Coronal:
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205 width = width_;
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206 height = depth_;
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207 break;
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208
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209 case VolumeProjection_Sagittal:
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210 width = height_;
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211 height = depth_;
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212 break;
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213
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214 default:
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215 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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216 }
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217 }
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218
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219
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220 ParallelSlices* ImageBuffer3D::GetGeometry(VolumeProjection projection)
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221 {
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222 std::auto_ptr<ParallelSlices> result(new ParallelSlices);
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223
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224 switch (projection)
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225 {
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226 case VolumeProjection_Axial:
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227 for (unsigned int z = 0; z < depth_; z++)
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228 {
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229 Vector origin = axialGeometry_.GetOrigin();
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230 origin += static_cast<double>(z) * voxelDimensions_[2] * axialGeometry_.GetNormal();
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231
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232 result->AddSlice(origin,
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233 axialGeometry_.GetAxisX(),
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234 axialGeometry_.GetAxisY());
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235 }
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236 break;
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237
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238 case VolumeProjection_Coronal:
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239 for (unsigned int y = 0; y < height_; y++)
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240 {
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241 Vector origin = axialGeometry_.GetOrigin();
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242 origin += static_cast<double>(y) * voxelDimensions_[1] * axialGeometry_.GetAxisY();
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243 origin += static_cast<double>(depth_ - 1) * voxelDimensions_[2] * axialGeometry_.GetNormal();
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244
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245 result->AddSlice(origin,
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246 axialGeometry_.GetAxisX(),
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247 -axialGeometry_.GetNormal());
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248 }
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249 break;
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250
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251 case VolumeProjection_Sagittal:
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252 for (unsigned int x = 0; x < width_; x++)
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253 {
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254 Vector origin = axialGeometry_.GetOrigin();
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255 origin += static_cast<double>(x) * voxelDimensions_[0] * axialGeometry_.GetAxisX();
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256 origin += static_cast<double>(depth_ - 1) * voxelDimensions_[2] * axialGeometry_.GetNormal();
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257
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258 result->AddSlice(origin,
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259 axialGeometry_.GetAxisY(),
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260 -axialGeometry_.GetNormal());
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261 }
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262 break;
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263
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264 default:
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265 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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266 }
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267
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268 return result.release();
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269 }
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270
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271
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272 ImageBuffer3D::SliceReader::SliceReader(ImageBuffer3D& that,
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273 VolumeProjection projection,
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274 unsigned int slice) :
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275 lock_(that.mutex_)
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276 {
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277 switch (projection)
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278 {
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279 case VolumeProjection_Axial:
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280 accessor_ = that.GetAxialSliceAccessor(slice, true);
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281 break;
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282
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283 case VolumeProjection_Coronal:
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284 accessor_ = that.GetCoronalSliceAccessor(slice, true);
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285 break;
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286
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287 case VolumeProjection_Sagittal:
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288 sagittal_.reset(that.ExtractSagittalSlice(slice));
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289 accessor_ = *sagittal_;
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290 break;
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291
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292 default:
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293 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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294 }
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295 }
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296
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297
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298 void ImageBuffer3D::SliceWriter::Flush()
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299 {
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300 if (sagittal_.get() != NULL)
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301 {
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302 // TODO
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303 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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304 }
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305 }
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306
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307
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308 ImageBuffer3D::SliceWriter::SliceWriter(ImageBuffer3D& that,
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309 VolumeProjection projection,
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310 unsigned int slice) :
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311 lock_(that.mutex_)
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312 {
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313 switch (projection)
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314 {
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315 case VolumeProjection_Axial:
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316 accessor_ = that.GetAxialSliceAccessor(slice, false);
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317 break;
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318
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319 case VolumeProjection_Coronal:
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320 accessor_ = that.GetCoronalSliceAccessor(slice, false);
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321 break;
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322
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323 case VolumeProjection_Sagittal:
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324 sagittal_.reset(that.ExtractSagittalSlice(slice));
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325 accessor_ = *sagittal_;
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326 break;
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327
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328 default:
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329 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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330 }
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331 }
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332 }
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