Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Volumes/ImageBuffer3D.h @ 1564:e731e62692a9

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upgrading Orthanc framework
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 17 Sep 2020 15:18:21 +0200
parents 244ad1e4e76a
children 8563ea5d8ae4
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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) 2017-2020 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 "../Toolbox/LinearAlgebra.h"
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27 #include <Compatibility.h>
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28 #include <Images/Image.h>
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30 namespace OrthancStone
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31 {
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32 /*
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34 This classes stores volume images sliced across the Z axis, vertically, in the decreasing Z order :
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36 +---------------+
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37 | |
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38 | SLICE N-1 |
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39 | |
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40 +---------------+
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41 | |
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42 | SLICE N-2 |
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43 | |
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44 +---------------+
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45 | |
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46 | SLICE N-3 |
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47 | |
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48 . .
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49 ...... ......
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50 . .
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51 | |
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52 | SLICE 2 |
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53 | |
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54 +---------------+
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55 | |
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56 | SLICE 1 |
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57 | |
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58 +---------------+
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59 | |
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60 | SLICE 0 |
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61 | |
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62 +---------------+
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63
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64 As you can see, if the 3d image has size width, height, depth, the 2d image has :
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65 - 2d width = 3d width
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66 - 2d height = 3d height * 3d depth
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68 */
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69
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70 class ImageBuffer3D : public boost::noncopyable
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71 {
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72 private:
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73 Orthanc::Image image_;
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74 Orthanc::PixelFormat format_;
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75 unsigned int width_;
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76 unsigned int height_;
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77 unsigned int depth_;
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78 bool computeRange_;
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79 bool hasRange_;
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80 float minValue_;
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81 float maxValue_;
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82 Matrix transform_;
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83 Matrix transformInverse_;
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84
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85 void ExtendImageRange(const Orthanc::ImageAccessor& slice);
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86
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87 void GetAxialSliceAccessor(Orthanc::ImageAccessor& target,
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88 unsigned int slice,
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89 bool readOnly);
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90
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91 void GetCoronalSliceAccessor(Orthanc::ImageAccessor& target,
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92 unsigned int slice,
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93 bool readOnly);
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94
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95 Orthanc::Image* ExtractSagittalSlice(unsigned int slice) const;
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96
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97 template <typename T>
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98 T GetPixelUnchecked(unsigned int x,
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99 unsigned int y,
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100 unsigned int z) const
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101 {
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102 const uint8_t* buffer = reinterpret_cast<const uint8_t*>(image_.GetConstBuffer());
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103 const uint8_t* row = buffer + (y + height_ * (depth_ - 1 - z)) * image_.GetPitch();
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104 return reinterpret_cast<const T*>(row) [x];
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105 }
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106
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107 public:
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108 ImageBuffer3D(Orthanc::PixelFormat format,
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109 unsigned int width,
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110 unsigned int height,
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111 unsigned int depth,
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112 bool computeRange);
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114 void Clear();
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115
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116 const Orthanc::ImageAccessor& GetInternalImage() const
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117 {
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118 return image_;
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119 }
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120
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121 unsigned int GetWidth() const
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122 {
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123 return width_;
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124 }
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125
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126 unsigned int GetHeight() const
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127 {
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128 return height_;
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129 }
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130
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131 unsigned int GetDepth() const
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132 {
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133 return depth_;
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134 }
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135
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136 Orthanc::PixelFormat GetFormat() const
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137 {
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138 return format_;
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139 }
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140
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141 unsigned int GetBytesPerPixel() const
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142 {
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143 return Orthanc::GetBytesPerPixel(format_);
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144 }
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145
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146 uint64_t GetEstimatedMemorySize() const;
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147
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148 bool GetRange(float& minValue,
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149 float& maxValue) const;
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150
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151 uint8_t GetVoxelGrayscale8Unchecked(unsigned int x,
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152 unsigned int y,
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153 unsigned int z) const
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154 {
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155 return GetPixelUnchecked<uint8_t>(x, y, z);
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156 }
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157
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158 uint16_t GetVoxelGrayscale16Unchecked(unsigned int x,
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159 unsigned int y,
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160 unsigned int z) const
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161 {
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162 return GetPixelUnchecked<uint16_t>(x, y, z);
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163 }
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164
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165 int16_t GetVoxelSignedGrayscale16Unchecked(unsigned int x,
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166 unsigned int y,
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167 unsigned int z) const
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168 {
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169 return GetPixelUnchecked<int16_t>(x, y, z);
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170 }
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171
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172 uint8_t GetVoxelGrayscale8(unsigned int x,
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173 unsigned int y,
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174 unsigned int z) const;
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175
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176 uint16_t GetVoxelGrayscale16(unsigned int x,
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177 unsigned int y,
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178 unsigned int z) const;
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179
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180
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181 class SliceReader : public boost::noncopyable
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182 {
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183 private:
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184 Orthanc::ImageAccessor accessor_;
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185 std::unique_ptr<Orthanc::Image> sagittal_; // Unused for axial and coronal
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186
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187 public:
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188 SliceReader(const ImageBuffer3D& that,
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189 VolumeProjection projection,
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190 unsigned int slice);
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191
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192 const Orthanc::ImageAccessor& GetAccessor() const
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193 {
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194 return accessor_;
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195 }
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196 };
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197
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198
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199 class SliceWriter : public boost::noncopyable
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200 {
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201 private:
119
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202 ImageBuffer3D& that_;
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203 bool modified_;
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204 Orthanc::ImageAccessor accessor_;
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205 std::unique_ptr<Orthanc::Image> sagittal_; // Unused for axial and coronal
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206
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207 void Flush();
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208
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209 public:
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210 SliceWriter(ImageBuffer3D& that,
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211 VolumeProjection projection,
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212 unsigned int slice);
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213
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214 ~SliceWriter()
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215 {
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216 Flush();
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217 }
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218
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219 const Orthanc::ImageAccessor& GetAccessor() const
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220 {
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221 return accessor_;
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222 }
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223
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224 Orthanc::ImageAccessor& GetAccessor()
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225 {
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226 modified_ = true;
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227 return accessor_;
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228 }
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229 };
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230 };
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231 }