Mercurial > hg > orthanc
annotate UnitTestsSources/PngTests.cpp @ 1376:65a000d823c4
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
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| date | Thu, 28 May 2015 16:48:36 +0200 |
| parents | 6e7e5ed91c2d |
| children | 9f66a12eb8fc |
| rev | line source |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * |
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6 * This program is free software: you can redistribute it and/or |
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7 * modify it under the terms of the GNU General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #include "PrecompiledHeadersUnitTests.h" |
| 368 | 34 #include "gtest/gtest.h" |
| 35 | |
| 36 #include <stdint.h> | |
| 799 | 37 #include "../Core/ImageFormats/PngReader.h" |
| 38 #include "../Core/ImageFormats/PngWriter.h" | |
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39 #include "../Core/Toolbox.h" |
| 709 | 40 #include "../Core/Uuid.h" |
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41 |
| 368 | 42 |
| 43 TEST(PngWriter, ColorPattern) | |
| 44 { | |
| 45 Orthanc::PngWriter w; | |
| 46 int width = 17; | |
| 47 int height = 61; | |
| 48 int pitch = width * 3; | |
| 49 | |
| 50 std::vector<uint8_t> image(height * pitch); | |
| 51 for (int y = 0; y < height; y++) | |
| 52 { | |
| 53 uint8_t *p = &image[0] + y * pitch; | |
| 54 for (int x = 0; x < width; x++, p += 3) | |
| 55 { | |
| 56 p[0] = (y % 3 == 0) ? 255 : 0; | |
| 57 p[1] = (y % 3 == 1) ? 255 : 0; | |
| 58 p[2] = (y % 3 == 2) ? 255 : 0; | |
| 59 } | |
| 60 } | |
| 61 | |
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62 w.WriteToFile("UnitTestsResults/ColorPattern.png", width, height, pitch, Orthanc::PixelFormat_RGB24, &image[0]); |
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63 |
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64 std::string f, md5; |
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65 Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/ColorPattern.png"); |
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66 Orthanc::Toolbox::ComputeMD5(md5, f); |
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67 ASSERT_EQ("604e785f53c99cae6ea4584870b2c41d", md5); |
| 368 | 68 } |
| 69 | |
| 70 TEST(PngWriter, Gray8Pattern) | |
| 71 { | |
| 72 Orthanc::PngWriter w; | |
| 73 int width = 17; | |
| 74 int height = 256; | |
| 75 int pitch = width; | |
| 76 | |
| 77 std::vector<uint8_t> image(height * pitch); | |
| 78 for (int y = 0; y < height; y++) | |
| 79 { | |
| 80 uint8_t *p = &image[0] + y * pitch; | |
| 81 for (int x = 0; x < width; x++, p++) | |
| 82 { | |
| 83 *p = y; | |
| 84 } | |
| 85 } | |
| 86 | |
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87 w.WriteToFile("UnitTestsResults/Gray8Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale8, &image[0]); |
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88 |
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89 std::string f, md5; |
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90 Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/Gray8Pattern.png"); |
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91 Orthanc::Toolbox::ComputeMD5(md5, f); |
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92 ASSERT_EQ("5a9b98bea3d0a6d983980cc38bfbcdb3", md5); |
| 368 | 93 } |
| 94 | |
| 95 TEST(PngWriter, Gray16Pattern) | |
| 96 { | |
| 97 Orthanc::PngWriter w; | |
| 98 int width = 256; | |
| 99 int height = 256; | |
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100 int pitch = width * 2 + 16; |
| 368 | 101 |
| 102 std::vector<uint8_t> image(height * pitch); | |
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103 |
| 368 | 104 int v = 0; |
| 105 for (int y = 0; y < height; y++) | |
| 106 { | |
| 107 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); | |
| 108 for (int x = 0; x < width; x++, p++, v++) | |
| 109 { | |
| 110 *p = v; | |
| 111 } | |
| 112 } | |
| 113 | |
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114 w.WriteToFile("UnitTestsResults/Gray16Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); |
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115 |
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116 std::string f, md5; |
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117 Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/Gray16Pattern.png"); |
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118 Orthanc::Toolbox::ComputeMD5(md5, f); |
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119 ASSERT_EQ("0785866a08bf0a02d2eeff87f658571c", md5); |
| 368 | 120 } |
| 455 | 121 |
| 122 TEST(PngWriter, EndToEnd) | |
| 123 { | |
| 124 Orthanc::PngWriter w; | |
| 125 int width = 256; | |
| 126 int height = 256; | |
| 127 int pitch = width * 2 + 16; | |
| 128 | |
| 129 std::vector<uint8_t> image(height * pitch); | |
| 130 | |
| 131 int v = 0; | |
| 132 for (int y = 0; y < height; y++) | |
| 133 { | |
| 134 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); | |
| 135 for (int x = 0; x < width; x++, p++, v++) | |
| 136 { | |
| 137 *p = v; | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 std::string s; | |
| 142 w.WriteToMemory(s, width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); | |
| 143 | |
| 709 | 144 { |
| 145 Orthanc::PngReader r; | |
| 146 r.ReadFromMemory(s); | |
| 455 | 147 |
| 710 | 148 ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16); |
| 709 | 149 ASSERT_EQ(r.GetWidth(), width); |
| 150 ASSERT_EQ(r.GetHeight(), height); | |
| 455 | 151 |
| 709 | 152 v = 0; |
| 153 for (int y = 0; y < height; y++) | |
| 154 { | |
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155 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r.GetConstBuffer() + y * r.GetPitch()); |
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156 ASSERT_EQ(p, r.GetConstRow(y)); |
| 709 | 157 for (int x = 0; x < width; x++, p++, v++) |
| 158 { | |
| 159 ASSERT_EQ(*p, v); | |
| 160 } | |
| 161 } | |
| 162 } | |
| 163 | |
| 455 | 164 { |
| 710 | 165 Orthanc::Toolbox::TemporaryFile tmp; |
| 166 Orthanc::Toolbox::WriteFile(s, tmp.GetPath()); | |
| 709 | 167 |
| 168 Orthanc::PngReader r2; | |
| 169 r2.ReadFromFile(tmp.GetPath()); | |
| 170 | |
| 710 | 171 ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16); |
| 709 | 172 ASSERT_EQ(r2.GetWidth(), width); |
| 173 ASSERT_EQ(r2.GetHeight(), height); | |
| 710 | 174 |
| 175 v = 0; | |
| 709 | 176 for (int y = 0; y < height; y++) |
| 455 | 177 { |
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178 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r2.GetConstBuffer() + y * r2.GetPitch()); |
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179 ASSERT_EQ(p, r2.GetConstRow(y)); |
| 709 | 180 for (int x = 0; x < width; x++, p++, v++) |
| 181 { | |
| 182 ASSERT_EQ(*p, v); | |
| 183 } | |
| 455 | 184 } |
| 185 } | |
| 186 } |