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annotate Framework/Volumes/ImageBuffer3D.h @ 316:ce48c3b3b0e9

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fix for new ImageAccessor API
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 08 Oct 2018 12:45:27 +0200
parents 5412adf19980
children 557c8ff1db5c
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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 * Copyright (C) 2017-2018 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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22 #pragma once
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23
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24 #include "../StoneEnumerations.h"
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25 #include "../Layers/RenderStyle.h"
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26 #include "../Toolbox/CoordinateSystem3D.h"
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27 #include "../Toolbox/DicomFrameConverter.h"
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28 #include "../Toolbox/ParallelSlices.h"
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29
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30 #include <Core/Images/Image.h>
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32 namespace OrthancStone
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33 {
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34 class ImageBuffer3D : public boost::noncopyable
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35 {
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36 private:
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37 CoordinateSystem3D axialGeometry_;
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38 Vector voxelDimensions_;
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39 Orthanc::Image image_;
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40 Orthanc::PixelFormat format_;
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41 unsigned int width_;
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42 unsigned int height_;
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43 unsigned int depth_;
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44 bool computeRange_;
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45 bool hasRange_;
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46 float minValue_;
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47 float maxValue_;
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48
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49 void ExtendImageRange(const Orthanc::ImageAccessor& slice);
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51 void GetAxialSliceAccessor(Orthanc::ImageAccessor& target,
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52 unsigned int slice,
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53 bool readOnly) const;
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54
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55 void GetCoronalSliceAccessor(Orthanc::ImageAccessor& target,
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56 unsigned int slice,
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57 bool readOnly) const;
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59 Orthanc::Image* ExtractSagittalSlice(unsigned int slice) const;
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60
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61 template <typename T>
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62 T GetPixelUnchecked(unsigned int x,
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63 unsigned int y,
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64 unsigned int z) const
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65 {
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66 const uint8_t* buffer = reinterpret_cast<const uint8_t*>(image_.GetConstBuffer());
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67 const uint8_t* row = buffer + (y + height_ * (depth_ - 1 - z)) * image_.GetPitch();
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68 return reinterpret_cast<const T*>(row) [x];
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69 }
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70
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71 public:
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72 ImageBuffer3D(Orthanc::PixelFormat format,
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73 unsigned int width,
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74 unsigned int height,
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75 unsigned int depth,
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76 bool computeRange);
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78 void Clear();
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79
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80 // Set the geometry of the first axial slice (i.e. the one whose
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81 // depth == 0)
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82 void SetAxialGeometry(const CoordinateSystem3D& geometry);
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83
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84 const CoordinateSystem3D& GetAxialGeometry() const
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85 {
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86 return axialGeometry_;
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87 }
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89 void SetVoxelDimensions(double x,
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90 double y,
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91 double z);
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92
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93 Vector GetVoxelDimensions(VolumeProjection projection) const;
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94
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95 void GetSliceSize(unsigned int& width,
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96 unsigned int& height,
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97 VolumeProjection projection);
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98
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99 const Orthanc::ImageAccessor& GetInternalImage() const
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100 {
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101 return image_;
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102 }
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103
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104 unsigned int GetWidth() const
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105 {
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106 return width_;
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107 }
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108
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109 unsigned int GetHeight() const
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110 {
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111 return height_;
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112 }
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113
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114 unsigned int GetDepth() const
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115 {
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116 return depth_;
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117 }
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118
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119 Orthanc::PixelFormat GetFormat() const
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120 {
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121 return format_;
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122 }
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123
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124 ParallelSlices* GetGeometry(VolumeProjection projection) const;
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125
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126 uint64_t GetEstimatedMemorySize() const;
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127
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128 bool GetRange(float& minValue,
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129 float& maxValue) const;
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130
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131 bool FitWindowingToRange(RenderStyle& style,
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132 const DicomFrameConverter& converter) const;
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133
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134 uint8_t GetVoxelGrayscale8Unchecked(unsigned int x,
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135 unsigned int y,
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136 unsigned int z) const
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137 {
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138 return GetPixelUnchecked<uint8_t>(x, y, z);
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139 }
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140
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141 uint16_t GetVoxelGrayscale16Unchecked(unsigned int x,
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142 unsigned int y,
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143 unsigned int z) const
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144 {
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145 return GetPixelUnchecked<uint16_t>(x, y, z);
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146 }
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148 int16_t GetVoxelSignedGrayscale16Unchecked(unsigned int x,
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149 unsigned int y,
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150 unsigned int z) const
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151 {
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152 return GetPixelUnchecked<int16_t>(x, y, z);
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153 }
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154
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155 uint8_t GetVoxelGrayscale8(unsigned int x,
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156 unsigned int y,
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157 unsigned int z) const;
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158
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159 uint16_t GetVoxelGrayscale16(unsigned int x,
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160 unsigned int y,
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161 unsigned int z) const;
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162
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163 // Get the 3D position of a point in the volume, where x, y and z
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164 // lie in the [0;1] range
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165 Vector GetCoordinates(float x,
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166 float y,
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167 float z) const;
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168
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169
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170 class SliceReader : public boost::noncopyable
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171 {
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172 private:
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173 Orthanc::ImageAccessor accessor_;
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174 std::auto_ptr<Orthanc::Image> sagittal_; // Unused for axial and coronal
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175
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176 public:
192
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177 SliceReader(const ImageBuffer3D& that,
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178 VolumeProjection projection,
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179 unsigned int slice);
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180
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181 const Orthanc::ImageAccessor& GetAccessor() const
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182 {
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183 return accessor_;
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184 }
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185 };
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186
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187
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188 class SliceWriter : public boost::noncopyable
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189 {
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190 private:
119
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191 ImageBuffer3D& that_;
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192 bool modified_;
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193 Orthanc::ImageAccessor accessor_;
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194 std::auto_ptr<Orthanc::Image> sagittal_; // Unused for axial and coronal
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195
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196 void Flush();
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197
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198 public:
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199 SliceWriter(ImageBuffer3D& that,
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200 VolumeProjection projection,
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201 unsigned int slice);
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202
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203 ~SliceWriter()
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204 {
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205 Flush();
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206 }
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207
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208 const Orthanc::ImageAccessor& GetAccessor() const
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209 {
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210 return accessor_;
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211 }
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212
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213 Orthanc::ImageAccessor& GetAccessor()
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214 {
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215 modified_ = true;
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216 return accessor_;
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217 }
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218 };
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219 };
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220 }