Mercurial > hg > orthanc

annotate UnitTestsSources/ImageProcessingTests.cpp @ 3366:7a4d586caf2d

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 13 May 2019 16:04:45 +0200
parents 9345710bbf12
children e0841192d7d0
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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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 General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #include "PrecompiledHeadersUnitTests.h"
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35 #include "gtest/gtest.h"
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36
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37 #include "../Core/DicomFormat/DicomImageInformation.h"
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38 #include "../Core/Images/Image.h"
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39 #include "../Core/Images/ImageProcessing.h"
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40 #include "../Core/Images/ImageTraits.h"
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41 #include "../Core/OrthancException.h"
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42
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43 #include <memory>
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44
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45 using namespace Orthanc;
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46
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47
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48 TEST(DicomImageInformation, ExtractPixelFormat1)
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49 {
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50 // Cardiac/MR*
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51 DicomMap m;
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52 m.SetValue(DICOM_TAG_ROWS, "24", false);
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53 m.SetValue(DICOM_TAG_COLUMNS, "16", false);
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54 m.SetValue(DICOM_TAG_BITS_ALLOCATED, "16", false);
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55 m.SetValue(DICOM_TAG_SAMPLES_PER_PIXEL, "1", false);
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56 m.SetValue(DICOM_TAG_BITS_STORED, "12", false);
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57 m.SetValue(DICOM_TAG_HIGH_BIT, "11", false);
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58 m.SetValue(DICOM_TAG_PIXEL_REPRESENTATION, "0", false);
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59 m.SetValue(DICOM_TAG_PHOTOMETRIC_INTERPRETATION, "MONOCHROME2", false);
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60
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61 DicomImageInformation info(m);
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62 PixelFormat format;
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63 ASSERT_TRUE(info.ExtractPixelFormat(format, false));
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64 ASSERT_EQ(PixelFormat_Grayscale16, format);
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65 }
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66
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67
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68 TEST(DicomImageInformation, ExtractPixelFormat2)
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69 {
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70 // Delphine CT
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71 DicomMap m;
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72 m.SetValue(DICOM_TAG_ROWS, "24", false);
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73 m.SetValue(DICOM_TAG_COLUMNS, "16", false);
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74 m.SetValue(DICOM_TAG_BITS_ALLOCATED, "16", false);
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75 m.SetValue(DICOM_TAG_SAMPLES_PER_PIXEL, "1", false);
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76 m.SetValue(DICOM_TAG_BITS_STORED, "16", false);
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77 m.SetValue(DICOM_TAG_HIGH_BIT, "15", false);
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78 m.SetValue(DICOM_TAG_PIXEL_REPRESENTATION, "1", false);
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79 m.SetValue(DICOM_TAG_PHOTOMETRIC_INTERPRETATION, "MONOCHROME2", false);
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80
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81 DicomImageInformation info(m);
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82 PixelFormat format;
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83 ASSERT_TRUE(info.ExtractPixelFormat(format, false));
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84 ASSERT_EQ(PixelFormat_SignedGrayscale16, format);
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85 }
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86
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87
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88
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89 namespace
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90 {
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91 template <typename T>
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92 class TestImageTraits : public ::testing::Test
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93 {
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94 private:
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95 std::auto_ptr<Image> image_;
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96
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97 protected:
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98 virtual void SetUp() ORTHANC_OVERRIDE
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99 {
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100 image_.reset(new Image(ImageTraits::PixelTraits::GetPixelFormat(), 7, 9, false));
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101 }
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102
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103 virtual void TearDown() ORTHANC_OVERRIDE
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104 {
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105 image_.reset(NULL);
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106 }
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107
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108 public:
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109 typedef T ImageTraits;
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110
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111 ImageAccessor& GetImage()
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112 {
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113 return *image_;
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114 }
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115 };
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116
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117 template <typename T>
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118 class TestIntegerImageTraits : public TestImageTraits<T>
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119 {
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120 };
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121 }
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122
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123
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124 typedef ::testing::Types<
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125 ImageTraits<PixelFormat_Grayscale8>,
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126 ImageTraits<PixelFormat_Grayscale16>,
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127 ImageTraits<PixelFormat_SignedGrayscale16>
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128 > IntegerFormats;
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129 TYPED_TEST_CASE(TestIntegerImageTraits, IntegerFormats);
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130
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131 typedef ::testing::Types<
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132 ImageTraits<PixelFormat_Grayscale8>,
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133 ImageTraits<PixelFormat_Grayscale16>,
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134 ImageTraits<PixelFormat_SignedGrayscale16>,
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135 ImageTraits<PixelFormat_RGB24>,
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136 ImageTraits<PixelFormat_BGRA32>
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137 > AllFormats;
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138 TYPED_TEST_CASE(TestImageTraits, AllFormats);
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139
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140
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141 TYPED_TEST(TestImageTraits, SetZero)
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142 {
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143 ImageAccessor& image = this->GetImage();
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144
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145 memset(image.GetBuffer(), 128, image.GetHeight() * image.GetWidth());
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146
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147 switch (image.GetFormat())
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148 {
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149 case PixelFormat_Grayscale8:
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150 case PixelFormat_Grayscale16:
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151 case PixelFormat_SignedGrayscale16:
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152 ImageProcessing::Set(image, 0);
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153 break;
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154
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155 case PixelFormat_RGB24:
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156 case PixelFormat_BGRA32:
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157 ImageProcessing::Set(image, 0, 0, 0, 0);
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158 break;
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159
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160 default:
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161 ASSERT_TRUE(0);
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162 }
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163
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164 typename TestFixture::ImageTraits::PixelType zero, value;
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165 TestFixture::ImageTraits::PixelTraits::SetZero(zero);
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166
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167 for (unsigned int y = 0; y < image.GetHeight(); y++)
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168 {
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169 for (unsigned int x = 0; x < image.GetWidth(); x++)
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170 {
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171 TestFixture::ImageTraits::GetPixel(value, image, x, y);
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172 ASSERT_TRUE(TestFixture::ImageTraits::PixelTraits::IsEqual(zero, value));
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173 }
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174 }
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175 }
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176
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177
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178 TYPED_TEST(TestIntegerImageTraits, SetZeroFloat)
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179 {
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180 ImageAccessor& image = this->GetImage();
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181
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182 memset(image.GetBuffer(), 128, image.GetHeight() * image.GetWidth());
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183
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184 float c = 0.0f;
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185 for (unsigned int y = 0; y < image.GetHeight(); y++)
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186 {
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187 for (unsigned int x = 0; x < image.GetWidth(); x++, c++)
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188 {
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189 TestFixture::ImageTraits::SetFloatPixel(image, c, x, y);
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190 }
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191 }
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192
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193 c = 0.0f;
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194 for (unsigned int y = 0; y < image.GetHeight(); y++)
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195 {
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196 for (unsigned int x = 0; x < image.GetWidth(); x++, c++)
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197 {
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198 ASSERT_FLOAT_EQ(c, TestFixture::ImageTraits::GetFloatPixel(image, x, y));
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199 }
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200 }
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201 }
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202
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203 TYPED_TEST(TestIntegerImageTraits, FillPolygon)
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204 {
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205 ImageAccessor& image = this->GetImage();
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206
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207 ImageProcessing::Set(image, 128);
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208
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209 // draw a triangle
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210 std::vector<ImageProcessing::ImagePoint> points;
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211 points.push_back(ImageProcessing::ImagePoint(1,1));
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212 points.push_back(ImageProcessing::ImagePoint(1,5));
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213 points.push_back(ImageProcessing::ImagePoint(5,5));
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214
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215 Orthanc::ImageProcessing::FillPolygon(image, points, 255);
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216
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217 // outside polygon
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218 ASSERT_FLOAT_EQ(128, TestFixture::ImageTraits::GetFloatPixel(image, 0, 0));
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219 ASSERT_FLOAT_EQ(128, TestFixture::ImageTraits::GetFloatPixel(image, 0, 6));
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220 ASSERT_FLOAT_EQ(128, TestFixture::ImageTraits::GetFloatPixel(image, 6, 6));
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221 ASSERT_FLOAT_EQ(128, TestFixture::ImageTraits::GetFloatPixel(image, 6, 0));
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222
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223 // inside polygon (note: we don't test too close from the edges since the current algo is taking some margin from the edges and might be improved in that sense)
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224 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, 1, 2));
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225 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, 2, 4));
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226 }
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227
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228 TYPED_TEST(TestIntegerImageTraits, FillPolygonLargerThanImage)
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229 {
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230 ImageAccessor& image = this->GetImage();
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231
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232 ImageProcessing::Set(image, 0);
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233
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234 std::vector<ImageProcessing::ImagePoint> points;
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235 points.push_back(ImageProcessing::ImagePoint(0, 0));
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236 points.push_back(ImageProcessing::ImagePoint(image.GetWidth(),0));
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237 points.push_back(ImageProcessing::ImagePoint(image.GetWidth(),image.GetHeight()));
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238 points.push_back(ImageProcessing::ImagePoint(0,image.GetHeight()));
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239
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240 ASSERT_THROW(Orthanc::ImageProcessing::FillPolygon(image, points, 255), Orthanc::OrthancException);
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241 }
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242
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243 TYPED_TEST(TestIntegerImageTraits, FillPolygonFullImage)
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244 {
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245 ImageAccessor& image = this->GetImage();
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246
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247 ImageProcessing::Set(image, 0);
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248
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249 std::vector<ImageProcessing::ImagePoint> points;
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250 points.push_back(ImageProcessing::ImagePoint(0, 0));
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251 points.push_back(ImageProcessing::ImagePoint(image.GetWidth() - 1,0));
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252 points.push_back(ImageProcessing::ImagePoint(image.GetWidth() - 1,image.GetHeight() - 1));
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253 points.push_back(ImageProcessing::ImagePoint(0,image.GetHeight() - 1));
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254
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255 Orthanc::ImageProcessing::FillPolygon(image, points, 255);
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256
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257 // inside polygon (note: we don't test too close from the edges since the current algo is taking some margin from the edges and might be improved in that sense)
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258 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, 1, 1));
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259 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, image.GetWidth() - 2, image.GetHeight() - 2));
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260 }