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annotate Framework/Volumes/ImageBuffer3D.h @ 819:a68cd7ae8838

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 29 May 2019 13:39:31 +0200
parents f6438fdc447e
children 2d8ab34c8c91
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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) 2017-2019 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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21
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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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26
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27 #include <Core/Images/Image.h>
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29 namespace OrthancStone
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30 {
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31 class ImageBuffer3D : public boost::noncopyable
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32 {
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33 private:
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34 Orthanc::Image image_;
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35 Orthanc::PixelFormat format_;
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36 unsigned int width_;
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37 unsigned int height_;
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38 unsigned int depth_;
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39 bool computeRange_;
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40 bool hasRange_;
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41 float minValue_;
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42 float maxValue_;
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43 Matrix transform_;
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44 Matrix transformInverse_;
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45
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46 void ExtendImageRange(const Orthanc::ImageAccessor& slice);
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48 void GetAxialSliceAccessor(Orthanc::ImageAccessor& target,
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49 unsigned int slice,
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50 bool readOnly) const;
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51
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52 void GetCoronalSliceAccessor(Orthanc::ImageAccessor& target,
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53 unsigned int slice,
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54 bool readOnly) const;
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56 Orthanc::Image* ExtractSagittalSlice(unsigned int slice) const;
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57
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58 template <typename T>
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59 T GetPixelUnchecked(unsigned int x,
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60 unsigned int y,
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61 unsigned int z) const
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62 {
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63 const uint8_t* buffer = reinterpret_cast<const uint8_t*>(image_.GetConstBuffer());
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64 const uint8_t* row = buffer + (y + height_ * (depth_ - 1 - z)) * image_.GetPitch();
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65 return reinterpret_cast<const T*>(row) [x];
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66 }
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67
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68 public:
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69 ImageBuffer3D(Orthanc::PixelFormat format,
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70 unsigned int width,
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71 unsigned int height,
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72 unsigned int depth,
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73 bool computeRange);
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75 void Clear();
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76
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77 const Orthanc::ImageAccessor& GetInternalImage() const
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78 {
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79 return image_;
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80 }
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81
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82 unsigned int GetWidth() const
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83 {
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84 return width_;
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85 }
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86
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87 unsigned int GetHeight() const
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88 {
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89 return height_;
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90 }
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91
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92 unsigned int GetDepth() const
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93 {
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94 return depth_;
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95 }
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96
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97 Orthanc::PixelFormat GetFormat() const
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98 {
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99 return format_;
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100 }
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101
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102 unsigned int GetBytesPerPixel() const
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103 {
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104 return Orthanc::GetBytesPerPixel(format_);
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105 }
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106
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107 uint64_t GetEstimatedMemorySize() const;
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108
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109 bool GetRange(float& minValue,
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110 float& maxValue) const;
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111
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112 uint8_t GetVoxelGrayscale8Unchecked(unsigned int x,
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113 unsigned int y,
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114 unsigned int z) const
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115 {
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116 return GetPixelUnchecked<uint8_t>(x, y, z);
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117 }
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118
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119 uint16_t GetVoxelGrayscale16Unchecked(unsigned int x,
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120 unsigned int y,
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121 unsigned int z) const
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122 {
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123 return GetPixelUnchecked<uint16_t>(x, y, z);
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124 }
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125
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126 int16_t GetVoxelSignedGrayscale16Unchecked(unsigned int x,
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127 unsigned int y,
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128 unsigned int z) const
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129 {
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130 return GetPixelUnchecked<int16_t>(x, y, z);
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131 }
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132
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133 uint8_t GetVoxelGrayscale8(unsigned int x,
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134 unsigned int y,
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135 unsigned int z) const;
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136
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137 uint16_t GetVoxelGrayscale16(unsigned int x,
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138 unsigned int y,
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139 unsigned int z) const;
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140
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142 class SliceReader : public boost::noncopyable
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143 {
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144 private:
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145 Orthanc::ImageAccessor accessor_;
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146 std::auto_ptr<Orthanc::Image> sagittal_; // Unused for axial and coronal
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147
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148 public:
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149 SliceReader(const ImageBuffer3D& that,
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150 VolumeProjection projection,
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151 unsigned int slice);
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152
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153 const Orthanc::ImageAccessor& GetAccessor() const
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154 {
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155 return accessor_;
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156 }
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157 };
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158
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159
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160 class SliceWriter : public boost::noncopyable
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161 {
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162 private:
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163 ImageBuffer3D& that_;
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164 bool modified_;
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165 Orthanc::ImageAccessor accessor_;
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166 std::auto_ptr<Orthanc::Image> sagittal_; // Unused for axial and coronal
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167
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168 void Flush();
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169
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170 public:
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171 SliceWriter(ImageBuffer3D& that,
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172 VolumeProjection projection,
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173 unsigned int slice);
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174
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175 ~SliceWriter()
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176 {
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177 Flush();
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178 }
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179
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180 const Orthanc::ImageAccessor& GetAccessor() const
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181 {
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182 return accessor_;
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183 }
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184
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185 Orthanc::ImageAccessor& GetAccessor()
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186 {
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187 modified_ = true;
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188 return accessor_;
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189 }
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190 };
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191 };
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192 }