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annotate UnitTestsSources/VolumeRenderingTests.cpp @ 1775:fca942f4b4a7

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fix conversion from voxel centers to texture borders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 12 May 2021 19:57:50 +0200
parents 95ece40bb298
children de5c965f0697
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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) 2017-2021 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 "../OrthancStone/Sources/Scene2D/CairoCompositor.h"
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23 #include "../OrthancStone/Sources/Scene2D/CopyStyleConfigurator.h"
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24 #include "../OrthancStone/Sources/Scene2D/ColorTextureSceneLayer.h"
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25 #include "../OrthancStone/Sources/Volumes/DicomVolumeImageMPRSlicer.h"
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26 #include "../OrthancStone/Sources/Volumes/DicomVolumeImageReslicer.h"
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27
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28 #include <Images/ImageProcessing.h>
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29 #include <Images/ImageTraits.h>
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30
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31 #include <gtest/gtest.h>
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32
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33 TEST(VolumeRendering, Axial)
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34 {
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35 Orthanc::DicomMap dicom;
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36 dicom.SetValue(Orthanc::DICOM_TAG_STUDY_INSTANCE_UID, "study", false);
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37 dicom.SetValue(Orthanc::DICOM_TAG_SERIES_INSTANCE_UID, "series", false);
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38 dicom.SetValue(Orthanc::DICOM_TAG_SOP_INSTANCE_UID, "sop", false);
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39
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40 OrthancStone::CoordinateSystem3D axial(OrthancStone::LinearAlgebra::CreateVector(-0.5, -0.5, 0),
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41 OrthancStone::LinearAlgebra::CreateVector(1, 0, 0),
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42 OrthancStone::LinearAlgebra::CreateVector(0, 1, 0));
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43
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44 OrthancStone::VolumeImageGeometry geometry;
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45 geometry.SetSizeInVoxels(3, 3, 1);
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46 geometry.SetAxialGeometry(axial);
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47
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48 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume(new OrthancStone::DicomVolumeImage);
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49 volume->Initialize(geometry, Orthanc::PixelFormat_Grayscale8, false);
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50 volume->SetDicomParameters(OrthancStone::DicomInstanceParameters(dicom));
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51
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52 {
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53 OrthancStone::ImageBuffer3D::SliceWriter writer(volume->GetPixelData(), OrthancStone::VolumeProjection_Axial, 0);
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54 unsigned int v = 0;
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55 for (unsigned int y = 0; y < writer.GetAccessor().GetHeight(); y++)
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56 {
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57 uint8_t *p = reinterpret_cast<uint8_t*>(writer.GetAccessor().GetRow(y));
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58 for (unsigned int x = 0; x < writer.GetAccessor().GetWidth(); x++, p++)
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59 {
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60 *p = v;
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61 v += 25;
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62 }
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63 }
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64 }
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65
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66 OrthancStone::Vector v = volume->GetGeometry().GetVoxelDimensions(OrthancStone::VolumeProjection_Axial);
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67 ASSERT_FLOAT_EQ(1, v[0]);
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68 ASSERT_FLOAT_EQ(1, v[1]);
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69 ASSERT_FLOAT_EQ(1, v[2]);
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70
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71 OrthancStone::CoordinateSystem3D viewpoint;
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72
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73 for (unsigned int mode = 0; mode < 2; mode++)
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74 {
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75 std::unique_ptr<OrthancStone::IVolumeSlicer> slicer;
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76
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77 if (mode == 1)
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78 {
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79 slicer.reset(new OrthancStone::DicomVolumeImageReslicer(volume));
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80 }
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81 else
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82 {
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83 slicer.reset(new OrthancStone::DicomVolumeImageMPRSlicer(volume));
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84 }
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85
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86 std::unique_ptr<OrthancStone::IVolumeSlicer::IExtractedSlice> slice(slicer->ExtractSlice(viewpoint));
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87 ASSERT_TRUE(slice->IsValid());
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88
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89 OrthancStone::CopyStyleConfigurator configurator;
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90 std::unique_ptr<OrthancStone::ISceneLayer> layer(slice->CreateSceneLayer(&configurator, viewpoint));
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91
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92 ASSERT_EQ(OrthancStone::ISceneLayer::Type_FloatTexture, layer->GetType());
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93
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94 OrthancStone::Extent2D box;
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95 layer->GetBoundingBox(box);
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96 ASSERT_FLOAT_EQ(-1.0f, box.GetX1());
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97 ASSERT_FLOAT_EQ(-1.0f, box.GetY1());
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98 ASSERT_FLOAT_EQ(2.0f, box.GetX2());
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99 ASSERT_FLOAT_EQ(2.0f, box.GetY2());
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100
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101 {
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102 const Orthanc::ImageAccessor& a = dynamic_cast<OrthancStone::TextureBaseSceneLayer&>(*layer).GetTexture();
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103 Orthanc::Image i(Orthanc::PixelFormat_Grayscale8, a.GetWidth(), a.GetHeight(), false);
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104 Orthanc::ImageProcessing::Convert(i, a);
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105
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106 ASSERT_EQ(3u, i.GetWidth());
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107 ASSERT_EQ(3u, i.GetHeight());
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108
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109 ASSERT_FLOAT_EQ(0, Orthanc::ImageTraits<Orthanc::PixelFormat_Grayscale8>::GetFloatPixel(i, 0, 0));
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110 ASSERT_FLOAT_EQ(25, Orthanc::ImageTraits<Orthanc::PixelFormat_Grayscale8>::GetFloatPixel(i, 1, 0));
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111 ASSERT_FLOAT_EQ(50, Orthanc::ImageTraits<Orthanc::PixelFormat_Grayscale8>::GetFloatPixel(i, 2, 0));
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112 ASSERT_FLOAT_EQ(75, Orthanc::ImageTraits<Orthanc::PixelFormat_Grayscale8>::GetFloatPixel(i, 0, 1));
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113 ASSERT_FLOAT_EQ(100, Orthanc::ImageTraits<Orthanc::PixelFormat_Grayscale8>::GetFloatPixel(i, 1, 1));
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114 ASSERT_FLOAT_EQ(125, Orthanc::ImageTraits<Orthanc::PixelFormat_Grayscale8>::GetFloatPixel(i, 2, 1));
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115 ASSERT_FLOAT_EQ(150, Orthanc::ImageTraits<Orthanc::PixelFormat_Grayscale8>::GetFloatPixel(i, 0, 2));
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116 ASSERT_FLOAT_EQ(175, Orthanc::ImageTraits<Orthanc::PixelFormat_Grayscale8>::GetFloatPixel(i, 1, 2));
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117 ASSERT_FLOAT_EQ(200, Orthanc::ImageTraits<Orthanc::PixelFormat_Grayscale8>::GetFloatPixel(i, 2, 2));
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118 }
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119
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120 OrthancStone::Scene2D scene; // Scene is initialized with the identity viewpoint
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121 scene.SetLayer(0, layer.release());
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122
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123 OrthancStone::CairoCompositor compositor(5, 5);
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124 compositor.Refresh(scene);
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125
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126 Orthanc::ImageAccessor i;
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127 compositor.GetCanvas().GetReadOnlyAccessor(i);
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128
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129 Orthanc::Image j(Orthanc::PixelFormat_RGB24, i.GetWidth(), i.GetHeight(), false);
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130 Orthanc::ImageProcessing::Convert(j, i);
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131
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132 ASSERT_EQ(5u, j.GetWidth());
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133 ASSERT_EQ(5u, j.GetHeight());
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134 Orthanc::PixelTraits<Orthanc::PixelFormat_RGB24>::PixelType pixel;
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135 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 0, 0); ASSERT_EQ(0, pixel.red_);
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136 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 1, 0); ASSERT_EQ(0, pixel.red_);
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137 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 2, 0); ASSERT_EQ(0, pixel.red_);
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138 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 3, 0); ASSERT_EQ(0, pixel.red_);
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139 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 4, 0); ASSERT_EQ(0, pixel.red_);
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140 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 0, 1); ASSERT_EQ(0, pixel.red_);
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141 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 1, 1); ASSERT_EQ(0, pixel.red_);
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142 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 2, 1); ASSERT_EQ(0, pixel.red_);
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143 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 3, 1); ASSERT_EQ(0, pixel.red_);
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144 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 4, 1); ASSERT_EQ(0, pixel.red_);
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145 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 0, 2); ASSERT_EQ(0, pixel.red_);
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146 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 1, 2); ASSERT_EQ(0, pixel.red_);
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147 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 2, 2); ASSERT_EQ(0, pixel.red_);
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148 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 3, 2); ASSERT_EQ(25, pixel.red_);
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149 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 4, 2); ASSERT_EQ(50, pixel.red_);
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150 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 0, 3); ASSERT_EQ(0, pixel.red_);
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151 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 1, 3); ASSERT_EQ(0, pixel.red_);
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152 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 2, 3); ASSERT_EQ(75, pixel.red_);
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153 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 3, 3); ASSERT_EQ(100, pixel.red_);
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154 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 4, 3); ASSERT_EQ(125, pixel.red_);
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155 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 0, 4); ASSERT_EQ(0, pixel.red_);
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156 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 1, 4); ASSERT_EQ(0, pixel.red_);
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157 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 2, 4); ASSERT_EQ(150, pixel.red_);
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158 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 3, 4); ASSERT_EQ(175, pixel.red_);
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159 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, j, 4, 4); ASSERT_EQ(200, pixel.red_);
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160 }
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161 }