Mercurial > hg > orthanc-stone

annotate Framework/Radiography/RadiographyMaskLayer.cpp @ 1201:ab958fd99b07

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RadiographyScene fixes
author Alain Mazy <alain@mazy.be>
date Fri, 29 Nov 2019 16:21:24 +0100
parents a5f2a6b04a31
children 69177b10e2b9
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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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20
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21
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22 #include "RadiographyMaskLayer.h"
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23 #include "RadiographyDicomLayer.h"
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24
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25 #include "RadiographyScene.h"
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26 #include "Core/Images/Image.h"
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27 #include "Core/Images/ImageProcessing.h"
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28 #include <Core/OrthancException.h>
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29 #include "../Toolbox/ImageGeometry.h"
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30
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31 namespace OrthancStone
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32 {
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33 const unsigned char IN_MASK_VALUE = 0x77;
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34 const unsigned char OUT_MASK_VALUE = 0xFF;
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35
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36 const AffineTransform2D& RadiographyMaskLayer::GetTransform() const
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37 {
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38 return dicomLayer_.GetTransform();
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39 }
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40
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41 const AffineTransform2D& RadiographyMaskLayer::GetTransformInverse() const
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42 {
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43 return dicomLayer_.GetTransformInverse();
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44 }
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45
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46 bool RadiographyMaskLayer::GetPixel(unsigned int& imageX,
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47 unsigned int& imageY,
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48 double sceneX,
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49 double sceneY) const
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50 {
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51 return dicomLayer_.GetPixel(imageX, imageY, sceneX, sceneY);
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52 }
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53
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54 std::string RadiographyMaskLayer::GetInstanceId() const
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55 {
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56 return dicomLayer_.GetInstanceId();
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57 }
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58
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59 void RadiographyMaskLayer::SetCorner(const Orthanc::ImageProcessing::ImagePoint& corner, size_t index)
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60 {
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61 if (index < corners_.size())
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62 corners_[index] = corner;
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63 else
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64 corners_.push_back(corner);
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65 invalidated_ = true;
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66
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67 BroadcastMessage(RadiographyLayer::LayerEditedMessage(*this));
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68 }
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69
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70 void RadiographyMaskLayer::SetCorners(const std::vector<Orthanc::ImageProcessing::ImagePoint>& corners)
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71 {
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72 corners_ = corners;
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73 invalidated_ = true;
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74
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75 BroadcastMessage(RadiographyLayer::LayerEditedMessage(*this));
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76 }
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77
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78 void RadiographyMaskLayer::Render(Orthanc::ImageAccessor& buffer,
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79 const AffineTransform2D& viewTransform,
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80 ImageInterpolation interpolation,
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81 float windowCenter,
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82 float windowWidth,
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83 bool applyWindowing) const
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84 {
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85 if (dicomLayer_.GetWidth() == 0) // nothing to do if the DICOM layer is not displayed (or not loaded)
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86 return;
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87
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88 if (invalidated_)
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89 {
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90 mask_.reset(new Orthanc::Image(Orthanc::PixelFormat_Grayscale8, dicomLayer_.GetWidth(), dicomLayer_.GetHeight(), false));
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91
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92 DrawMask();
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93
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94 invalidated_ = false;
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95 }
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96
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97 {// rendering
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98 if (buffer.GetFormat() != Orthanc::PixelFormat_Float32)
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99 {
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100 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
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101 }
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102
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103 unsigned int cropX, cropY, cropWidth, cropHeight;
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104 dicomLayer_.GetCrop(cropX, cropY, cropWidth, cropHeight);
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105
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106 const AffineTransform2D t = AffineTransform2D::Combine(
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107 viewTransform, dicomLayer_.GetTransform(),
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108 AffineTransform2D::CreateOffset(cropX, cropY));
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109
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110 Orthanc::ImageAccessor cropped;
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111 mask_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight);
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112
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113 Orthanc::Image tmp(Orthanc::PixelFormat_Grayscale8, buffer.GetWidth(), buffer.GetHeight(), false);
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114
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115
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116 unsigned int x1, y1, x2, y2;
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117 if (!OrthancStone::GetProjectiveTransformExtent(x1, y1, x2, y2,
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118 t.GetHomogeneousMatrix(),
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119 cropped.GetWidth(),
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120 cropped.GetHeight(),
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121 buffer.GetWidth(),
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122 buffer.GetHeight()))
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123 {
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124 return; // layer is outside the buffer
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125 }
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126
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127 t.Apply(tmp, cropped, ImageInterpolation_Nearest, true /* clear */);
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128
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129 // we have observed vertical lines at the image border (probably due to bilinear filtering of the DICOM image when it is not aligned with the buffer pixels)
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130 // -> draw the mask one line further on each side
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131 if (x1 >= 1)
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132 {
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133 x1 = x1 - 1;
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134 }
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135 if (x2 < buffer.GetWidth() - 2)
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136 {
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137 x2 = x2 + 1;
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138 }
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139
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140 // Blit
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141 for (unsigned int y = y1; y <= y2; y++)
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142 {
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143 float *q = reinterpret_cast<float*>(buffer.GetRow(y)) + x1;
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144 const uint8_t *p = reinterpret_cast<uint8_t*>(tmp.GetRow(y)) + x1;
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145
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146 for (unsigned int x = x1; x <= x2; x++, p++, q++)
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147 {
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148 if (*p != IN_MASK_VALUE)
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149 *q = foreground_;
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150 // else keep the underlying pixel value
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151 }
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152 }
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153
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154 }
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155 }
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156
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157 void RadiographyMaskLayer::DrawMask() const
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158 {
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159 // first fill the complete image
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160 Orthanc::ImageProcessing::Set(*mask_, OUT_MASK_VALUE);
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161
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162 // clip corners
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163 std::vector<Orthanc::ImageProcessing::ImagePoint> clippedCorners;
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164 for (size_t i = 0; i < corners_.size(); i++)
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165 {
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166 clippedCorners.push_back(corners_[i]);
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167 clippedCorners[i].ClipTo(0, mask_->GetWidth() - 1, 0, mask_->GetHeight() - 1);
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168 }
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169
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170 // fill mask
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171 Orthanc::ImageProcessing::FillPolygon(*mask_, clippedCorners, IN_MASK_VALUE);
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172
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173 }
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174
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175 }