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annotate UnitTestsSources/VolumeRenderingTests.cpp @ 1779:9ab251c03eda

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unit test VolumeRendering.TextureCorners
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 May 2021 10:01:20 +0200
parents de5c965f0697
children b7c9fd1e9fb0
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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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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 #include <OrthancException.h>
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31
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32 #include <gtest/gtest.h>
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34
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35 static float GetPixelValue(const Orthanc::ImageAccessor& image,
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36 unsigned int x,
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37 unsigned int y)
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38 {
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39 switch (image.GetFormat())
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40 {
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41 case Orthanc::PixelFormat_Grayscale8:
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42 return Orthanc::ImageTraits<Orthanc::PixelFormat_Grayscale8>::GetFloatPixel(image, x, y);
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43
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44 case Orthanc::PixelFormat_Float32:
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45 return Orthanc::ImageTraits<Orthanc::PixelFormat_Float32>::GetFloatPixel(image, x, y);
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46
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47 case Orthanc::PixelFormat_RGB24:
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48 {
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49 Orthanc::PixelTraits<Orthanc::PixelFormat_RGB24>::PixelType pixel;
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50 Orthanc::ImageTraits<Orthanc::PixelFormat_RGB24>::GetPixel(pixel, image, x, y);
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51 return pixel.red_;
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52 }
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53
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54 case Orthanc::PixelFormat_BGRA32:
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55 {
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56 Orthanc::PixelTraits<Orthanc::PixelFormat_BGRA32>::PixelType pixel;
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57 Orthanc::ImageTraits<Orthanc::PixelFormat_BGRA32>::GetPixel(pixel, image, x, y);
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58 return pixel.red_;
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59 }
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60
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61 default:
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62 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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63 }
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64 }
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65
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66
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67 static bool IsConstImage(float value,
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68 const Orthanc::ImageAccessor& image)
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69 {
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70 for (unsigned int y = 0; y < image.GetHeight(); y++)
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71 {
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72 for (unsigned int x = 0; x < image.GetWidth(); x++)
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73 {
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74 if (!OrthancStone::LinearAlgebra::IsNear(value, GetPixelValue(image, x, y)))
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75 {
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76 return false;
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77 }
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78 }
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79 }
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80
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81 return true;
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82 }
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83
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84
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85 static bool IsConstRegion(float value,
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86 const Orthanc::ImageAccessor& image,
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87 unsigned int x,
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88 unsigned int y,
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89 unsigned int width,
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90 unsigned int height)
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91 {
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92 Orthanc::ImageAccessor region;
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93 image.GetRegion(region, x, y, width, height);
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94 return IsConstImage(value, region);
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95 }
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96
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97
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98 static void Assign3x3Pattern(Orthanc::ImageAccessor& image)
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99 {
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100 if (image.GetFormat() == Orthanc::PixelFormat_Grayscale8 &&
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101 image.GetWidth() == 3 &&
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102 image.GetHeight() == 3)
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103 {
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104 unsigned int v = 0;
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105 for (unsigned int y = 0; y < image.GetHeight(); y++)
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106 {
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107 uint8_t *p = reinterpret_cast<uint8_t*>(image.GetRow(y));
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108 for (unsigned int x = 0; x < image.GetWidth(); x++, p++)
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109 {
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110 *p = v;
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111 v += 25;
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112 }
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113 }
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114 }
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115 else
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116 {
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117 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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118 }
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119 }
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120
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121
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122 TEST(VolumeRendering, Axial)
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123 {
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124 Orthanc::DicomMap dicom;
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125 dicom.SetValue(Orthanc::DICOM_TAG_STUDY_INSTANCE_UID, "study", false);
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126 dicom.SetValue(Orthanc::DICOM_TAG_SERIES_INSTANCE_UID, "series", false);
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127 dicom.SetValue(Orthanc::DICOM_TAG_SOP_INSTANCE_UID, "sop", false);
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128
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129 OrthancStone::CoordinateSystem3D axial(OrthancStone::LinearAlgebra::CreateVector(-0.5, -0.5, 0),
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130 OrthancStone::LinearAlgebra::CreateVector(1, 0, 0),
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131 OrthancStone::LinearAlgebra::CreateVector(0, 1, 0));
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132
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133 OrthancStone::VolumeImageGeometry geometry;
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134 geometry.SetSizeInVoxels(3, 3, 1);
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135 geometry.SetAxialGeometry(axial);
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136
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137 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume(new OrthancStone::DicomVolumeImage);
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138 volume->Initialize(geometry, Orthanc::PixelFormat_Grayscale8, false);
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139 volume->SetDicomParameters(OrthancStone::DicomInstanceParameters(dicom));
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140
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141 {
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142 OrthancStone::ImageBuffer3D::SliceWriter writer(volume->GetPixelData(), OrthancStone::VolumeProjection_Axial, 0);
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143 Assign3x3Pattern(writer.GetAccessor());
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144 }
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145
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146 OrthancStone::Vector v = volume->GetGeometry().GetVoxelDimensions(OrthancStone::VolumeProjection_Axial);
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147 ASSERT_FLOAT_EQ(1, v[0]);
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148 ASSERT_FLOAT_EQ(1, v[1]);
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149 ASSERT_FLOAT_EQ(1, v[2]);
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150
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151 OrthancStone::CoordinateSystem3D viewpoint;
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152
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153 for (unsigned int mode = 0; mode < 2; mode++)
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154 {
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155 std::unique_ptr<OrthancStone::IVolumeSlicer> slicer;
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156
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157 if (mode == 1)
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158 {
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159 slicer.reset(new OrthancStone::DicomVolumeImageReslicer(volume));
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160 }
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161 else
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162 {
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163 slicer.reset(new OrthancStone::DicomVolumeImageMPRSlicer(volume));
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164 }
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165
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166 std::unique_ptr<OrthancStone::IVolumeSlicer::IExtractedSlice> slice(slicer->ExtractSlice(viewpoint));
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167 ASSERT_TRUE(slice->IsValid());
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168
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169 OrthancStone::CopyStyleConfigurator configurator;
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170 std::unique_ptr<OrthancStone::ISceneLayer> layer(slice->CreateSceneLayer(&configurator, viewpoint));
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171
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172 ASSERT_EQ(OrthancStone::ISceneLayer::Type_FloatTexture, layer->GetType());
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173
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174 OrthancStone::Extent2D box;
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175 layer->GetBoundingBox(box);
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176 ASSERT_FLOAT_EQ(-1.0f, box.GetX1());
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177 ASSERT_FLOAT_EQ(-1.0f, box.GetY1());
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178 ASSERT_FLOAT_EQ(2.0f, box.GetX2());
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179 ASSERT_FLOAT_EQ(2.0f, box.GetY2());
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180
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181 {
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182 const Orthanc::ImageAccessor& texture = dynamic_cast<OrthancStone::TextureBaseSceneLayer&>(*layer).GetTexture();
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183 ASSERT_EQ(3u, texture.GetWidth());
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184 ASSERT_EQ(3u, texture.GetHeight());
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185 ASSERT_FLOAT_EQ(0, GetPixelValue(texture, 0, 0));
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186 ASSERT_FLOAT_EQ(25, GetPixelValue(texture, 1, 0));
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187 ASSERT_FLOAT_EQ(50, GetPixelValue(texture, 2, 0));
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188 ASSERT_FLOAT_EQ(75, GetPixelValue(texture, 0, 1));
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189 ASSERT_FLOAT_EQ(100, GetPixelValue(texture, 1, 1));
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190 ASSERT_FLOAT_EQ(125, GetPixelValue(texture, 2, 1));
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191 ASSERT_FLOAT_EQ(150, GetPixelValue(texture, 0, 2));
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192 ASSERT_FLOAT_EQ(175, GetPixelValue(texture, 1, 2));
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193 ASSERT_FLOAT_EQ(200, GetPixelValue(texture, 2, 2));
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194 }
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195
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196 OrthancStone::Scene2D scene; // Scene is initialized with the identity viewpoint
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197 scene.SetLayer(0, layer.release());
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198
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199 OrthancStone::CairoCompositor compositor(5, 5);
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200 compositor.Refresh(scene);
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201
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202 Orthanc::ImageAccessor rendered;
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203 compositor.GetCanvas().GetReadOnlyAccessor(rendered);
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204
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205 ASSERT_EQ(5u, rendered.GetWidth());
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206 ASSERT_EQ(5u, rendered.GetHeight());
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207 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 0));
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208 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 0));
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209 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 2, 0));
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210 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 3, 0));
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211 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 4, 0));
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212 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 1));
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213 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 1));
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214 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 2, 1));
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215 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 3, 1));
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216 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 4, 1));
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217 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 2));
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218 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 2));
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219 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 2, 2));
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220 ASSERT_FLOAT_EQ(25, GetPixelValue(rendered, 3, 2));
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221 ASSERT_FLOAT_EQ(50, GetPixelValue(rendered, 4, 2));
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222 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 3));
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223 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 3));
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224 ASSERT_FLOAT_EQ(75, GetPixelValue(rendered, 2, 3));
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225 ASSERT_FLOAT_EQ(100, GetPixelValue(rendered, 3, 3));
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226 ASSERT_FLOAT_EQ(125, GetPixelValue(rendered, 4, 3));
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227 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 4));
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228 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 4));
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229 ASSERT_FLOAT_EQ(150, GetPixelValue(rendered, 2, 4));
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230 ASSERT_FLOAT_EQ(175, GetPixelValue(rendered, 3, 4));
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231 ASSERT_FLOAT_EQ(200, GetPixelValue(rendered, 4, 4));
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232 }
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diff changeset
233 }
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234
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235
9ab251c03eda unit test VolumeRendering.TextureCorners
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236
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diff changeset
237 TEST(VolumeRendering, TextureCorners)
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diff changeset
238 {
9ab251c03eda unit test VolumeRendering.TextureCorners
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diff changeset
239 // The origin of a 2D texture is the coordinate of the BORDER of the
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diff changeset
240 // top-left pixel, *not* the center of the top-left pixel (as in
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diff changeset
241 // DICOM 3D convention)
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242
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diff changeset
243 Orthanc::Image pixel(Orthanc::PixelFormat_RGB24, 1, 1, false);
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diff changeset
244 Orthanc::ImageProcessing::Set(pixel, 255, 0, 0, 255);
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245
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246 {
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247 std::unique_ptr<OrthancStone::ColorTextureSceneLayer> layer(new OrthancStone::ColorTextureSceneLayer(pixel));
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248 layer->SetOrigin(0, 0);
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249
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250 OrthancStone::Scene2D scene;
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251 scene.SetLayer(0, layer.release());
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252
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253 OrthancStone::CairoCompositor compositor(2, 2);
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254 compositor.Refresh(scene);
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255
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256 Orthanc::ImageAccessor rendered;
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257 compositor.GetCanvas().GetReadOnlyAccessor(rendered);
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258
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259 ASSERT_EQ(2u, rendered.GetWidth());
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260 ASSERT_EQ(2u, rendered.GetHeight());
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261
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262 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 0));
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263 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 0));
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264 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 1));
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265 ASSERT_FLOAT_EQ(255, GetPixelValue(rendered, 1, 1));
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266 }
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267
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268 {
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269 std::unique_ptr<OrthancStone::ColorTextureSceneLayer> layer(new OrthancStone::ColorTextureSceneLayer(pixel));
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270 layer->SetOrigin(-0.01, 0);
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271
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272 OrthancStone::Scene2D scene;
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273 scene.SetLayer(0, layer.release());
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274
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275 OrthancStone::CairoCompositor compositor(2, 2);
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276 compositor.Refresh(scene);
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277
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278 Orthanc::ImageAccessor rendered;
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279 compositor.GetCanvas().GetReadOnlyAccessor(rendered);
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280 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 0));
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281 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 0));
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282 ASSERT_FLOAT_EQ(255, GetPixelValue(rendered, 0, 1));
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283 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 1));
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284 }
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285
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286 {
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287 std::unique_ptr<OrthancStone::ColorTextureSceneLayer> layer(new OrthancStone::ColorTextureSceneLayer(pixel));
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288 layer->SetOrigin(-0.01, -0.01);
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289
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290 OrthancStone::Scene2D scene;
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291 scene.SetLayer(0, layer.release());
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292
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293 OrthancStone::CairoCompositor compositor(2, 2);
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294 compositor.Refresh(scene);
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295
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296 Orthanc::ImageAccessor rendered;
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297 compositor.GetCanvas().GetReadOnlyAccessor(rendered);
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298 ASSERT_FLOAT_EQ(255, GetPixelValue(rendered, 0, 0));
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299 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 0));
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300 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 1));
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301 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 1));
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302 }
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303
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304 {
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305 std::unique_ptr<OrthancStone::ColorTextureSceneLayer> layer(new OrthancStone::ColorTextureSceneLayer(pixel));
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306 layer->SetOrigin(0, -0.01);
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307
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308 OrthancStone::Scene2D scene;
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309 scene.SetLayer(0, layer.release());
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310
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311 OrthancStone::CairoCompositor compositor(2, 2);
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312 compositor.Refresh(scene);
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313
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314 Orthanc::ImageAccessor rendered;
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315 compositor.GetCanvas().GetReadOnlyAccessor(rendered);
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316 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 0));
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317 ASSERT_FLOAT_EQ(255, GetPixelValue(rendered, 1, 0));
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318 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 0, 1));
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319 ASSERT_FLOAT_EQ(0, GetPixelValue(rendered, 1, 1));
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320 }
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321 }