Mercurial > hg > orthanc
annotate UnitTestsSources/ImageProcessingTests.cpp @ 3503:46cf170ba121
ImageProcessing::SeparableConvolution()
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 27 Aug 2019 12:10:13 +0200 |
parents | e0841192d7d0 |
children | 18566f9e1831 |
rev | line source |
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853 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 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 |
853 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "PrecompiledHeadersUnitTests.h" | |
35 #include "gtest/gtest.h" | |
36 | |
855 | 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" |
3366 | 41 #include "../Core/OrthancException.h" |
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42 |
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43 #include <memory> |
853 | 44 |
45 using namespace Orthanc; | |
46 | |
47 | |
855 | 48 TEST(DicomImageInformation, ExtractPixelFormat1) |
853 | 49 { |
855 | 50 // Cardiac/MR* |
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); |
855 | 60 |
61 DicomImageInformation info(m); | |
62 PixelFormat format; | |
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63 ASSERT_TRUE(info.ExtractPixelFormat(format, false)); |
855 | 64 ASSERT_EQ(PixelFormat_Grayscale16, format); |
853 | 65 } |
855 | 66 |
67 | |
68 TEST(DicomImageInformation, ExtractPixelFormat2) | |
69 { | |
70 // Delphine CT | |
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); |
855 | 80 |
81 DicomImageInformation info(m); | |
82 PixelFormat format; | |
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83 ASSERT_TRUE(info.ExtractPixelFormat(format, false)); |
855 | 84 ASSERT_EQ(PixelFormat_SignedGrayscale16, format); |
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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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 } |
3258 | 202 |
203 TYPED_TEST(TestIntegerImageTraits, FillPolygon) | |
204 { | |
205 ImageAccessor& image = this->GetImage(); | |
206 | |
207 ImageProcessing::Set(image, 128); | |
208 | |
209 // draw a triangle | |
210 std::vector<ImageProcessing::ImagePoint> points; | |
211 points.push_back(ImageProcessing::ImagePoint(1,1)); | |
212 points.push_back(ImageProcessing::ImagePoint(1,5)); | |
213 points.push_back(ImageProcessing::ImagePoint(5,5)); | |
214 | |
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215 ImageProcessing::FillPolygon(image, points, 255); |
3258 | 216 |
217 // outside polygon | |
218 ASSERT_FLOAT_EQ(128, TestFixture::ImageTraits::GetFloatPixel(image, 0, 0)); | |
219 ASSERT_FLOAT_EQ(128, TestFixture::ImageTraits::GetFloatPixel(image, 0, 6)); | |
220 ASSERT_FLOAT_EQ(128, TestFixture::ImageTraits::GetFloatPixel(image, 6, 6)); | |
221 ASSERT_FLOAT_EQ(128, TestFixture::ImageTraits::GetFloatPixel(image, 6, 0)); | |
222 | |
3431 | 223 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, 1, 1)); |
3258 | 224 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, 1, 2)); |
3431 | 225 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, 1, 5)); |
3258 | 226 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, 2, 4)); |
3431 | 227 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, 5, 5)); |
3258 | 228 } |
3365 | 229 |
3366 | 230 TYPED_TEST(TestIntegerImageTraits, FillPolygonLargerThanImage) |
3365 | 231 { |
232 ImageAccessor& image = this->GetImage(); | |
233 | |
234 ImageProcessing::Set(image, 0); | |
235 | |
236 std::vector<ImageProcessing::ImagePoint> points; | |
237 points.push_back(ImageProcessing::ImagePoint(0, 0)); | |
238 points.push_back(ImageProcessing::ImagePoint(image.GetWidth(),0)); | |
239 points.push_back(ImageProcessing::ImagePoint(image.GetWidth(),image.GetHeight())); | |
240 points.push_back(ImageProcessing::ImagePoint(0,image.GetHeight())); | |
241 | |
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242 ASSERT_THROW(ImageProcessing::FillPolygon(image, points, 255), OrthancException); |
3365 | 243 } |
244 | |
245 TYPED_TEST(TestIntegerImageTraits, FillPolygonFullImage) | |
246 { | |
247 ImageAccessor& image = this->GetImage(); | |
248 | |
249 ImageProcessing::Set(image, 0); | |
250 | |
251 std::vector<ImageProcessing::ImagePoint> points; | |
252 points.push_back(ImageProcessing::ImagePoint(0, 0)); | |
253 points.push_back(ImageProcessing::ImagePoint(image.GetWidth() - 1,0)); | |
254 points.push_back(ImageProcessing::ImagePoint(image.GetWidth() - 1,image.GetHeight() - 1)); | |
255 points.push_back(ImageProcessing::ImagePoint(0,image.GetHeight() - 1)); | |
256 | |
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257 ImageProcessing::FillPolygon(image, points, 255); |
3365 | 258 |
3431 | 259 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, 0, 0)); |
260 ASSERT_FLOAT_EQ(255, TestFixture::ImageTraits::GetFloatPixel(image, image.GetWidth() - 1, image.GetHeight() - 1)); | |
3365 | 261 } |
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262 |
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263 |
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264 |
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265 |
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266 static void SetGrayscale8Pixel(ImageAccessor& image, |
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267 unsigned int x, |
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268 unsigned int y, |
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269 uint8_t value) |
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270 { |
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271 ImageTraits<PixelFormat_Grayscale8>::SetPixel(image, value, x, y); |
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272 } |
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273 |
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274 static bool TestGrayscale8Pixel(const ImageAccessor& image, |
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275 unsigned int x, |
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276 unsigned int y, |
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277 uint8_t value) |
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278 { |
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279 PixelTraits<PixelFormat_Grayscale8>::PixelType p; |
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280 ImageTraits<PixelFormat_Grayscale8>::GetPixel(p, image, x, y); |
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281 return p == value; |
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282 } |
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283 |
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284 static void SetRGB24Pixel(ImageAccessor& image, |
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285 unsigned int x, |
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286 unsigned int y, |
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287 uint8_t red, |
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288 uint8_t green, |
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289 uint8_t blue) |
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290 { |
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291 PixelTraits<PixelFormat_RGB24>::PixelType p; |
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292 p.red_ = red; |
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293 p.green_ = green; |
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294 p.blue_ = blue; |
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295 ImageTraits<PixelFormat_RGB24>::SetPixel(image, p, x, y); |
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296 } |
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297 |
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298 static bool TestRGB24Pixel(const ImageAccessor& image, |
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299 unsigned int x, |
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300 unsigned int y, |
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301 uint8_t red, |
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302 uint8_t green, |
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303 uint8_t blue) |
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304 { |
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305 PixelTraits<PixelFormat_RGB24>::PixelType p; |
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306 ImageTraits<PixelFormat_RGB24>::GetPixel(p, image, x, y); |
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307 return (p.red_ == red && |
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308 p.green_ == green && |
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309 p.blue_ == blue); |
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310 } |
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311 |
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312 |
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313 TEST(ImageProcessing, FlipGrayscale8) |
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314 { |
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315 { |
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316 Image image(PixelFormat_Grayscale8, 0, 0, false); |
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317 ImageProcessing::FlipX(image); |
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318 ImageProcessing::FlipY(image); |
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319 } |
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320 |
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321 { |
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322 Image image(PixelFormat_Grayscale8, 1, 1, false); |
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323 SetGrayscale8Pixel(image, 0, 0, 128); |
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324 ImageProcessing::FlipX(image); |
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325 ImageProcessing::FlipY(image); |
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326 ASSERT_TRUE(TestGrayscale8Pixel(image, 0, 0, 128)); |
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327 } |
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328 |
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329 { |
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330 Image image(PixelFormat_Grayscale8, 3, 2, false); |
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331 SetGrayscale8Pixel(image, 0, 0, 10); |
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332 SetGrayscale8Pixel(image, 1, 0, 20); |
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333 SetGrayscale8Pixel(image, 2, 0, 30); |
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334 SetGrayscale8Pixel(image, 0, 1, 40); |
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335 SetGrayscale8Pixel(image, 1, 1, 50); |
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336 SetGrayscale8Pixel(image, 2, 1, 60); |
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337 |
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338 ImageProcessing::FlipX(image); |
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339 ASSERT_TRUE(TestGrayscale8Pixel(image, 0, 0, 30)); |
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340 ASSERT_TRUE(TestGrayscale8Pixel(image, 1, 0, 20)); |
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341 ASSERT_TRUE(TestGrayscale8Pixel(image, 2, 0, 10)); |
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342 ASSERT_TRUE(TestGrayscale8Pixel(image, 0, 1, 60)); |
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343 ASSERT_TRUE(TestGrayscale8Pixel(image, 1, 1, 50)); |
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344 ASSERT_TRUE(TestGrayscale8Pixel(image, 2, 1, 40)); |
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345 |
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346 ImageProcessing::FlipY(image); |
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347 ASSERT_TRUE(TestGrayscale8Pixel(image, 0, 0, 60)); |
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348 ASSERT_TRUE(TestGrayscale8Pixel(image, 1, 0, 50)); |
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349 ASSERT_TRUE(TestGrayscale8Pixel(image, 2, 0, 40)); |
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350 ASSERT_TRUE(TestGrayscale8Pixel(image, 0, 1, 30)); |
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351 ASSERT_TRUE(TestGrayscale8Pixel(image, 1, 1, 20)); |
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352 ASSERT_TRUE(TestGrayscale8Pixel(image, 2, 1, 10)); |
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353 } |
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354 } |
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355 |
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356 |
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357 |
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358 TEST(ImageProcessing, FlipRGB24) |
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359 { |
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360 Image image(PixelFormat_RGB24, 2, 2, false); |
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361 SetRGB24Pixel(image, 0, 0, 10, 100, 110); |
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362 SetRGB24Pixel(image, 1, 0, 20, 100, 110); |
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363 SetRGB24Pixel(image, 0, 1, 30, 100, 110); |
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364 SetRGB24Pixel(image, 1, 1, 40, 100, 110); |
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365 |
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366 ImageProcessing::FlipX(image); |
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367 ASSERT_TRUE(TestRGB24Pixel(image, 0, 0, 20, 100, 110)); |
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368 ASSERT_TRUE(TestRGB24Pixel(image, 1, 0, 10, 100, 110)); |
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369 ASSERT_TRUE(TestRGB24Pixel(image, 0, 1, 40, 100, 110)); |
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370 ASSERT_TRUE(TestRGB24Pixel(image, 1, 1, 30, 100, 110)); |
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371 |
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372 ImageProcessing::FlipY(image); |
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373 ASSERT_TRUE(TestRGB24Pixel(image, 0, 0, 40, 100, 110)); |
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374 ASSERT_TRUE(TestRGB24Pixel(image, 1, 0, 30, 100, 110)); |
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375 ASSERT_TRUE(TestRGB24Pixel(image, 0, 1, 20, 100, 110)); |
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376 ASSERT_TRUE(TestRGB24Pixel(image, 1, 1, 10, 100, 110)); |
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377 } |
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378 |
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379 |
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380 TEST(ImageProcessing, ResizeBasicGrayscale8) |
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381 { |
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382 Image source(PixelFormat_Grayscale8, 2, 2, false); |
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383 SetGrayscale8Pixel(source, 0, 0, 10); |
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384 SetGrayscale8Pixel(source, 1, 0, 20); |
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385 SetGrayscale8Pixel(source, 0, 1, 30); |
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386 SetGrayscale8Pixel(source, 1, 1, 40); |
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387 |
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388 { |
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389 Image target(PixelFormat_Grayscale8, 2, 4, false); |
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390 ImageProcessing::Resize(target, source); |
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391 ASSERT_TRUE(TestGrayscale8Pixel(target, 0, 0, 10)); |
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392 ASSERT_TRUE(TestGrayscale8Pixel(target, 1, 0, 20)); |
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393 ASSERT_TRUE(TestGrayscale8Pixel(target, 0, 1, 10)); |
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394 ASSERT_TRUE(TestGrayscale8Pixel(target, 1, 1, 20)); |
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395 ASSERT_TRUE(TestGrayscale8Pixel(target, 0, 2, 30)); |
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396 ASSERT_TRUE(TestGrayscale8Pixel(target, 1, 2, 40)); |
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397 ASSERT_TRUE(TestGrayscale8Pixel(target, 0, 3, 30)); |
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398 ASSERT_TRUE(TestGrayscale8Pixel(target, 1, 3, 40)); |
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399 } |
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400 |
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401 { |
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402 Image target(PixelFormat_Grayscale8, 4, 2, false); |
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403 ImageProcessing::Resize(target, source); |
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404 ASSERT_TRUE(TestGrayscale8Pixel(target, 0, 0, 10)); |
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405 ASSERT_TRUE(TestGrayscale8Pixel(target, 1, 0, 10)); |
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406 ASSERT_TRUE(TestGrayscale8Pixel(target, 2, 0, 20)); |
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407 ASSERT_TRUE(TestGrayscale8Pixel(target, 3, 0, 20)); |
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408 ASSERT_TRUE(TestGrayscale8Pixel(target, 0, 1, 30)); |
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409 ASSERT_TRUE(TestGrayscale8Pixel(target, 1, 1, 30)); |
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410 ASSERT_TRUE(TestGrayscale8Pixel(target, 2, 1, 40)); |
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411 ASSERT_TRUE(TestGrayscale8Pixel(target, 3, 1, 40)); |
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412 } |
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413 } |
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414 |
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415 |
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416 TEST(ImageProcessing, ResizeBasicRGB24) |
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417 { |
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418 Image source(PixelFormat_RGB24, 2, 2, false); |
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419 SetRGB24Pixel(source, 0, 0, 10, 100, 110); |
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420 SetRGB24Pixel(source, 1, 0, 20, 100, 110); |
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421 SetRGB24Pixel(source, 0, 1, 30, 100, 110); |
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422 SetRGB24Pixel(source, 1, 1, 40, 100, 110); |
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423 |
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424 { |
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425 Image target(PixelFormat_RGB24, 2, 4, false); |
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426 ImageProcessing::Resize(target, source); |
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427 ASSERT_TRUE(TestRGB24Pixel(target, 0, 0, 10, 100, 110)); |
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428 ASSERT_TRUE(TestRGB24Pixel(target, 1, 0, 20, 100, 110)); |
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429 ASSERT_TRUE(TestRGB24Pixel(target, 0, 1, 10, 100, 110)); |
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430 ASSERT_TRUE(TestRGB24Pixel(target, 1, 1, 20, 100, 110)); |
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431 ASSERT_TRUE(TestRGB24Pixel(target, 0, 2, 30, 100, 110)); |
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432 ASSERT_TRUE(TestRGB24Pixel(target, 1, 2, 40, 100, 110)); |
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433 ASSERT_TRUE(TestRGB24Pixel(target, 0, 3, 30, 100, 110)); |
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434 ASSERT_TRUE(TestRGB24Pixel(target, 1, 3, 40, 100, 110)); |
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435 } |
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436 |
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437 { |
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438 Image target(PixelFormat_RGB24, 4, 2, false); |
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439 ImageProcessing::Resize(target, source); |
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440 ASSERT_TRUE(TestRGB24Pixel(target, 0, 0, 10, 100, 110)); |
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441 ASSERT_TRUE(TestRGB24Pixel(target, 1, 0, 10, 100, 110)); |
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442 ASSERT_TRUE(TestRGB24Pixel(target, 2, 0, 20, 100, 110)); |
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443 ASSERT_TRUE(TestRGB24Pixel(target, 3, 0, 20, 100, 110)); |
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444 ASSERT_TRUE(TestRGB24Pixel(target, 0, 1, 30, 100, 110)); |
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445 ASSERT_TRUE(TestRGB24Pixel(target, 1, 1, 30, 100, 110)); |
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446 ASSERT_TRUE(TestRGB24Pixel(target, 2, 1, 40, 100, 110)); |
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447 ASSERT_TRUE(TestRGB24Pixel(target, 3, 1, 40, 100, 110)); |
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448 } |
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449 } |
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450 |
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451 |
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452 TEST(ImageProcessing, ResizeEmptyGrayscale8) |
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453 { |
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454 { |
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455 Image source(PixelFormat_Grayscale8, 0, 0, false); |
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456 Image target(PixelFormat_Grayscale8, 2, 2, false); |
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457 ImageProcessing::Resize(target, source); |
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458 ASSERT_TRUE(TestGrayscale8Pixel(target, 0, 0, 0)); |
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459 ASSERT_TRUE(TestGrayscale8Pixel(target, 1, 0, 0)); |
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460 ASSERT_TRUE(TestGrayscale8Pixel(target, 0, 1, 0)); |
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461 ASSERT_TRUE(TestGrayscale8Pixel(target, 1, 1, 0)); |
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462 } |
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463 |
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464 { |
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465 Image source(PixelFormat_Grayscale8, 2, 2, false); |
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466 Image target(PixelFormat_Grayscale8, 0, 0, false); |
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467 ImageProcessing::Resize(target, source); |
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468 } |
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469 } |