Mercurial > hg > orthanc
annotate OrthancFramework/UnitTestsSources/ImageTests.cpp @ 5336:dd9795dc380d
renamed MetricsType as MetricsUpdate to clarify
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 27 Jun 2023 15:56:04 +0200 |
parents | 0ea402b4d901 |
children | 91b3154bd4e1 |
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1 /** |
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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) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
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7 * |
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8 * This program is free software: you can redistribute it and/or |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
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12 * |
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13 * This program is distributed in the hope that it will be useful, but |
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
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21 **/ |
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22 |
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23 |
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24 #if ORTHANC_UNIT_TESTS_LINK_FRAMEWORK == 1 |
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25 // Must be the first to be sure to use the Orthanc framework shared library |
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26 # include <OrthancFramework.h> |
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27 #endif |
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28 |
4062 | 29 #include <gtest/gtest.h> |
368 | 30 |
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31 #include "../Sources/Images/Font.h" |
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32 #include "../Sources/Images/Image.h" |
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33 #include "../Sources/Images/ImageProcessing.h" |
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34 #include "../Sources/Images/JpegReader.h" |
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35 #include "../Sources/Images/JpegWriter.h" |
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36 #include "../Sources/Images/PngReader.h" |
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37 #include "../Sources/Images/PngWriter.h" |
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38 #include "../Sources/Images/PamReader.h" |
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39 #include "../Sources/Images/PamWriter.h" |
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40 #include "../Sources/Toolbox.h" |
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41 |
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42 #if ORTHANC_SANDBOXED != 1 |
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43 # include "../Sources/SystemToolbox.h" |
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44 # include "../Sources/TemporaryFile.h" |
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45 #endif |
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46 |
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47 #include <stdint.h> |
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48 |
368 | 49 |
50 TEST(PngWriter, ColorPattern) | |
51 { | |
52 Orthanc::PngWriter w; | |
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53 unsigned int width = 17; |
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54 unsigned int height = 61; |
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55 unsigned int pitch = width * 3; |
368 | 56 |
57 std::vector<uint8_t> image(height * pitch); | |
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58 for (unsigned int y = 0; y < height; y++) |
368 | 59 { |
60 uint8_t *p = &image[0] + y * pitch; | |
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61 for (unsigned int x = 0; x < width; x++, p += 3) |
368 | 62 { |
63 p[0] = (y % 3 == 0) ? 255 : 0; | |
64 p[1] = (y % 3 == 1) ? 255 : 0; | |
65 p[2] = (y % 3 == 2) ? 255 : 0; | |
66 } | |
67 } | |
68 | |
1916 | 69 Orthanc::ImageAccessor accessor; |
70 accessor.AssignReadOnly(Orthanc::PixelFormat_RGB24, width, height, pitch, &image[0]); | |
71 | |
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72 std::string f; |
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73 |
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74 #if ORTHANC_SANDBOXED == 1 |
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75 Orthanc::IImageWriter::WriteToMemory(w, f, accessor); |
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76 #else |
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77 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/ColorPattern.png", accessor); |
2140 | 78 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/ColorPattern.png"); |
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79 #endif |
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80 |
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81 std::string md5; |
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82 Orthanc::Toolbox::ComputeMD5(md5, f); |
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83 ASSERT_EQ("604e785f53c99cae6ea4584870b2c41d", md5); |
368 | 84 } |
85 | |
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86 TEST(PngWriter, Color16Pattern) |
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87 { |
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88 Orthanc::PngWriter w; |
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89 unsigned int width = 17; |
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90 unsigned int height = 61; |
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91 unsigned int pitch = width * 8; |
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92 |
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93 std::vector<uint8_t> image(height * pitch); |
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94 for (unsigned int y = 0; y < height; y++) |
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95 { |
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96 uint8_t *p = &image[0] + y * pitch; |
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97 for (unsigned int x = 0; x < width; x++, p += 8) |
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98 { |
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99 p[0] = (y % 8 == 0) ? 255 : 0; |
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100 p[1] = (y % 8 == 1) ? 255 : 0; |
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101 p[2] = (y % 8 == 2) ? 255 : 0; |
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102 p[3] = (y % 8 == 3) ? 255 : 0; |
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103 p[4] = (y % 8 == 4) ? 255 : 0; |
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104 p[5] = (y % 8 == 5) ? 255 : 0; |
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105 p[6] = (y % 8 == 6) ? 255 : 0; |
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106 p[7] = (y % 8 == 7) ? 255 : 0; |
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107 } |
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108 } |
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109 |
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110 Orthanc::ImageAccessor accessor; |
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111 accessor.AssignReadOnly(Orthanc::PixelFormat_RGBA64, width, height, pitch, &image[0]); |
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112 |
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113 std::string f; |
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114 |
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115 #if ORTHANC_SANDBOXED == 1 |
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116 Orthanc::IImageWriter::WriteToMemory(w, f, accessor); |
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117 #else |
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118 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/Color16Pattern.png", accessor); |
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119 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/Color16Pattern.png"); |
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120 #endif |
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121 |
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122 std::string md5; |
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123 Orthanc::Toolbox::ComputeMD5(md5, f); |
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124 ASSERT_EQ("1cca552b6bd152b6fdab35c4a9f02c2a", md5); |
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125 } |
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126 |
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127 |
368 | 128 TEST(PngWriter, Gray8Pattern) |
129 { | |
130 Orthanc::PngWriter w; | |
131 int width = 17; | |
132 int height = 256; | |
133 int pitch = width; | |
134 | |
135 std::vector<uint8_t> image(height * pitch); | |
136 for (int y = 0; y < height; y++) | |
137 { | |
138 uint8_t *p = &image[0] + y * pitch; | |
139 for (int x = 0; x < width; x++, p++) | |
140 { | |
141 *p = y; | |
142 } | |
143 } | |
144 | |
1916 | 145 Orthanc::ImageAccessor accessor; |
146 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale8, width, height, pitch, &image[0]); | |
147 | |
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148 std::string f; |
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149 |
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150 #if ORTHANC_SANDBOXED == 1 |
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151 Orthanc::IImageWriter::WriteToMemory(w, f, accessor); |
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152 #else |
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153 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/Gray8Pattern.png", accessor); |
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154 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/Gray8Pattern.png"); |
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155 #endif |
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156 |
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157 std::string md5; |
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158 Orthanc::Toolbox::ComputeMD5(md5, f); |
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159 ASSERT_EQ("5a9b98bea3d0a6d983980cc38bfbcdb3", md5); |
368 | 160 } |
161 | |
162 TEST(PngWriter, Gray16Pattern) | |
163 { | |
164 Orthanc::PngWriter w; | |
165 int width = 256; | |
166 int height = 256; | |
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167 int pitch = width * 2 + 16; |
368 | 168 |
169 std::vector<uint8_t> image(height * pitch); | |
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170 |
368 | 171 int v = 0; |
172 for (int y = 0; y < height; y++) | |
173 { | |
174 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); | |
175 for (int x = 0; x < width; x++, p++, v++) | |
176 { | |
177 *p = v; | |
178 } | |
179 } | |
180 | |
1916 | 181 Orthanc::ImageAccessor accessor; |
182 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale16, width, height, pitch, &image[0]); | |
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183 |
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184 std::string f; |
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185 |
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186 #if ORTHANC_SANDBOXED == 1 |
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187 Orthanc::IImageWriter::WriteToMemory(w, f, accessor); |
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188 #else |
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189 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/Gray16Pattern.png", accessor); |
2140 | 190 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/Gray16Pattern.png"); |
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191 #endif |
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192 |
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193 std::string md5; |
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194 Orthanc::Toolbox::ComputeMD5(md5, f); |
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195 ASSERT_EQ("0785866a08bf0a02d2eeff87f658571c", md5); |
368 | 196 } |
455 | 197 |
198 TEST(PngWriter, EndToEnd) | |
199 { | |
200 Orthanc::PngWriter w; | |
1492 | 201 unsigned int width = 256; |
202 unsigned int height = 256; | |
203 unsigned int pitch = width * 2 + 16; | |
455 | 204 |
205 std::vector<uint8_t> image(height * pitch); | |
206 | |
207 int v = 0; | |
1492 | 208 for (unsigned int y = 0; y < height; y++) |
455 | 209 { |
210 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); | |
1492 | 211 for (unsigned int x = 0; x < width; x++, p++, v++) |
455 | 212 { |
213 *p = v; | |
214 } | |
215 } | |
216 | |
1916 | 217 Orthanc::ImageAccessor accessor; |
218 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale16, width, height, pitch, &image[0]); | |
219 | |
455 | 220 std::string s; |
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221 Orthanc::IImageWriter::WriteToMemory(w, s, accessor); |
455 | 222 |
709 | 223 { |
224 Orthanc::PngReader r; | |
225 r.ReadFromMemory(s); | |
455 | 226 |
710 | 227 ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16); |
709 | 228 ASSERT_EQ(r.GetWidth(), width); |
229 ASSERT_EQ(r.GetHeight(), height); | |
455 | 230 |
709 | 231 v = 0; |
1492 | 232 for (unsigned int y = 0; y < height; y++) |
709 | 233 { |
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234 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r.GetConstBuffer() + y * r.GetPitch()); |
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235 ASSERT_EQ(p, r.GetConstRow(y)); |
1492 | 236 for (unsigned int x = 0; x < width; x++, p++, v++) |
709 | 237 { |
238 ASSERT_EQ(*p, v); | |
239 } | |
240 } | |
241 } | |
242 | |
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243 #if ORTHANC_SANDBOXED != 1 |
455 | 244 { |
2140 | 245 Orthanc::TemporaryFile tmp; |
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246 tmp.Write(s); |
709 | 247 |
248 Orthanc::PngReader r2; | |
249 r2.ReadFromFile(tmp.GetPath()); | |
250 | |
710 | 251 ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16); |
709 | 252 ASSERT_EQ(r2.GetWidth(), width); |
253 ASSERT_EQ(r2.GetHeight(), height); | |
710 | 254 |
255 v = 0; | |
1492 | 256 for (unsigned int y = 0; y < height; y++) |
455 | 257 { |
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258 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r2.GetConstBuffer() + y * r2.GetPitch()); |
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259 ASSERT_EQ(p, r2.GetConstRow(y)); |
1492 | 260 for (unsigned int x = 0; x < width; x++, p++, v++) |
709 | 261 { |
262 ASSERT_EQ(*p, v); | |
263 } | |
455 | 264 } |
265 } | |
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266 #endif |
455 | 267 } |
1602 | 268 |
269 | |
270 | |
271 | |
272 TEST(JpegWriter, Basic) | |
273 { | |
1604 | 274 std::string s; |
275 | |
1602 | 276 { |
2107 | 277 Orthanc::Image img(Orthanc::PixelFormat_Grayscale8, 16, 16, false); |
1604 | 278 for (unsigned int y = 0, value = 0; y < img.GetHeight(); y++) |
1602 | 279 { |
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280 uint8_t* p = reinterpret_cast<uint8_t*>(img.GetRow(y)); |
1604 | 281 for (unsigned int x = 0; x < img.GetWidth(); x++, p++) |
282 { | |
283 *p = value++; | |
284 } | |
285 } | |
286 | |
287 Orthanc::JpegWriter w; | |
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288 Orthanc::IImageWriter::WriteToMemory(w, s, img); |
1604 | 289 |
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290 #if ORTHANC_SANDBOXED != 1 |
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291 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/hello.jpg", img); |
2140 | 292 Orthanc::SystemToolbox::WriteFile(s, "UnitTestsResults/hello2.jpg"); |
1604 | 293 |
294 std::string t; | |
2140 | 295 Orthanc::SystemToolbox::ReadFile(t, "UnitTestsResults/hello.jpg"); |
1604 | 296 ASSERT_EQ(s.size(), t.size()); |
297 ASSERT_EQ(0, memcmp(s.c_str(), t.c_str(), s.size())); | |
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298 #endif |
1604 | 299 } |
300 | |
301 { | |
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302 Orthanc::JpegReader r1; |
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303 r1.ReadFromMemory(s); |
1970 | 304 ASSERT_EQ(16u, r1.GetWidth()); |
305 ASSERT_EQ(16u, r1.GetHeight()); | |
1604 | 306 |
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307 #if ORTHANC_SANDBOXED != 1 |
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308 Orthanc::JpegReader r2; |
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309 r2.ReadFromFile("UnitTestsResults/hello.jpg"); |
1970 | 310 ASSERT_EQ(16u, r2.GetWidth()); |
311 ASSERT_EQ(16u, r2.GetHeight()); | |
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312 #endif |
1604 | 313 |
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314 unsigned int value = 0; |
1604 | 315 for (unsigned int y = 0; y < r1.GetHeight(); y++) |
316 { | |
317 const uint8_t* p1 = reinterpret_cast<const uint8_t*>(r1.GetConstRow(y)); | |
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318 #if ORTHANC_SANDBOXED != 1 |
1604 | 319 const uint8_t* p2 = reinterpret_cast<const uint8_t*>(r2.GetConstRow(y)); |
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320 #endif |
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321 for (unsigned int x = 0; x < r1.GetWidth(); x++, value++) |
1604 | 322 { |
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323 ASSERT_TRUE(*p1 == value || |
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324 *p1 == value - 1 || |
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325 *p1 == value + 1); // Be tolerant to differences of +-1 |
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326 |
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327 #if ORTHANC_SANDBOXED != 1 |
1604 | 328 ASSERT_EQ(*p1, *p2); |
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329 p2++; |
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330 #endif |
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331 |
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332 p1++; |
1604 | 333 } |
1602 | 334 } |
335 } | |
336 } | |
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337 |
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338 |
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339 TEST(PamWriter, ColorPattern) |
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340 { |
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341 Orthanc::PamWriter w; |
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342 unsigned int width = 17; |
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343 unsigned int height = 61; |
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344 unsigned int pitch = width * 3; |
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345 |
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346 std::vector<uint8_t> image(height * pitch); |
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347 for (unsigned int y = 0; y < height; y++) |
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348 { |
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349 uint8_t *p = &image[0] + y * pitch; |
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350 for (unsigned int x = 0; x < width; x++, p += 3) |
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351 { |
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352 p[0] = (y % 3 == 0) ? 255 : 0; |
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353 p[1] = (y % 3 == 1) ? 255 : 0; |
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354 p[2] = (y % 3 == 2) ? 255 : 0; |
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355 } |
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356 } |
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357 |
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358 Orthanc::ImageAccessor accessor; |
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359 accessor.AssignReadOnly(Orthanc::PixelFormat_RGB24, width, height, pitch, &image[0]); |
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360 |
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361 std::string f; |
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362 |
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363 #if ORTHANC_SANDBOXED == 1 |
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364 Orthanc::IImageWriter::WriteToMemory(w, f, accessor); |
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365 #else |
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366 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/ColorPattern.pam", accessor); |
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367 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/ColorPattern.pam"); |
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368 #endif |
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369 |
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370 std::string md5; |
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371 Orthanc::Toolbox::ComputeMD5(md5, f); |
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372 ASSERT_EQ("81a3441754e88969ebbe53e69891e841", md5); |
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373 } |
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374 |
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375 TEST(PamWriter, Gray8Pattern) |
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376 { |
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377 Orthanc::PamWriter w; |
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378 int width = 17; |
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379 int height = 256; |
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380 int pitch = width; |
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381 |
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382 std::vector<uint8_t> image(height * pitch); |
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383 for (int y = 0; y < height; y++) |
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384 { |
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385 uint8_t *p = &image[0] + y * pitch; |
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386 for (int x = 0; x < width; x++, p++) |
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387 { |
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388 *p = y; |
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389 } |
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390 } |
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391 |
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392 Orthanc::ImageAccessor accessor; |
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393 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale8, width, height, pitch, &image[0]); |
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394 |
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395 std::string f; |
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396 |
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397 #if ORTHANC_SANDBOXED == 1 |
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398 Orthanc::IImageWriter::WriteToMemory(w, f, accessor); |
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399 #else |
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400 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/Gray8Pattern.pam", accessor); |
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401 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/Gray8Pattern.pam"); |
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402 #endif |
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403 |
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404 std::string md5; |
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405 Orthanc::Toolbox::ComputeMD5(md5, f); |
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406 ASSERT_EQ("7873c408d26a9d11dd1c1de5e69cc0a3", md5); |
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407 } |
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408 |
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409 TEST(PamWriter, Gray16Pattern) |
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410 { |
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411 Orthanc::PamWriter w; |
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412 int width = 256; |
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413 int height = 256; |
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414 int pitch = width * 2 + 16; |
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415 |
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416 std::vector<uint8_t> image(height * pitch); |
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417 |
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418 int v = 0; |
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419 for (int y = 0; y < height; y++) |
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420 { |
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421 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); |
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422 for (int x = 0; x < width; x++, p++, v++) |
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423 { |
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424 *p = v; |
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425 } |
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426 } |
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427 |
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428 Orthanc::ImageAccessor accessor; |
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429 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale16, width, height, pitch, &image[0]); |
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430 |
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431 std::string f; |
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432 |
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433 #if ORTHANC_SANDBOXED == 1 |
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434 Orthanc::IImageWriter::WriteToMemory(w, f, accessor); |
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435 #else |
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436 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/Gray16Pattern.pam", accessor); |
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437 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/Gray16Pattern.pam"); |
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438 #endif |
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439 |
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440 std::string md5; |
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441 Orthanc::Toolbox::ComputeMD5(md5, f); |
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442 ASSERT_EQ("b268772bf28f3b2b8520ff21c5e3dcb6", md5); |
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443 } |
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444 |
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445 TEST(PamWriter, EndToEnd) |
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446 { |
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447 Orthanc::PamWriter w; |
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448 unsigned int width = 256; |
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449 unsigned int height = 256; |
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450 unsigned int pitch = width * 2 + 16; |
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451 |
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452 std::vector<uint8_t> image(height * pitch); |
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453 |
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454 int v = 0; |
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455 for (unsigned int y = 0; y < height; y++) |
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456 { |
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457 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); |
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458 for (unsigned int x = 0; x < width; x++, p++, v++) |
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459 { |
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460 *p = v; |
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461 } |
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462 } |
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463 |
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464 Orthanc::ImageAccessor accessor; |
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465 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale16, width, height, pitch, &image[0]); |
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466 |
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467 std::string s; |
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468 Orthanc::IImageWriter::WriteToMemory(w, s, accessor); |
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469 |
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470 { |
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471 Orthanc::PamReader r(true); |
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472 r.ReadFromMemory(s); |
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473 |
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474 ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16); |
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475 ASSERT_EQ(r.GetWidth(), width); |
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476 ASSERT_EQ(r.GetHeight(), height); |
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477 |
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478 v = 0; |
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479 for (unsigned int y = 0; y < height; y++) |
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480 { |
2707 | 481 const uint16_t *p = reinterpret_cast<const uint16_t*> |
482 ((const uint8_t*) r.GetConstBuffer() + y * r.GetPitch()); | |
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483 ASSERT_EQ(p, r.GetConstRow(y)); |
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484 for (unsigned int x = 0; x < width; x++, p++, v++) |
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485 { |
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486 ASSERT_EQ(v, *p); |
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487 } |
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488 } |
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489 } |
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490 |
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491 { |
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492 // true means "enforce alignment by using a temporary buffer" |
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493 Orthanc::PamReader r(true); |
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494 r.ReadFromMemory(s); |
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495 |
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496 ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16); |
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497 ASSERT_EQ(r.GetWidth(), width); |
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498 ASSERT_EQ(r.GetHeight(), height); |
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499 |
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500 v = 0; |
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501 for (unsigned int y = 0; y < height; y++) |
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502 { |
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503 const uint16_t* p = reinterpret_cast<const uint16_t*> |
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504 ((const uint8_t*)r.GetConstBuffer() + y * r.GetPitch()); |
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505 ASSERT_EQ(p, r.GetConstRow(y)); |
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506 for (unsigned int x = 0; x < width; x++, p++, v++) |
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507 { |
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508 ASSERT_EQ(v, *p); |
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509 } |
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510 } |
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511 } |
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512 |
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513 #if ORTHANC_SANDBOXED != 1 |
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514 { |
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515 Orthanc::TemporaryFile tmp; |
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516 tmp.Write(s); |
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517 |
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518 Orthanc::PamReader r2(true); |
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519 r2.ReadFromFile(tmp.GetPath()); |
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520 |
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521 ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16); |
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522 ASSERT_EQ(r2.GetWidth(), width); |
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523 ASSERT_EQ(r2.GetHeight(), height); |
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524 |
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525 v = 0; |
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526 for (unsigned int y = 0; y < height; y++) |
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527 { |
2707 | 528 const uint16_t *p = reinterpret_cast<const uint16_t*> |
529 ((const uint8_t*) r2.GetConstBuffer() + y * r2.GetPitch()); | |
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530 ASSERT_EQ(p, r2.GetConstRow(y)); |
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531 for (unsigned int x = 0; x < width; x++, p++, v++) |
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532 { |
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533 ASSERT_EQ(*p, v); |
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534 } |
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535 } |
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536 } |
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537 #endif |
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538 |
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539 #if ORTHANC_SANDBOXED != 1 |
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540 { |
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541 Orthanc::TemporaryFile tmp; |
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542 tmp.Write(s); |
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543 |
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544 // true means "enforce alignment by using a temporary buffer" |
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545 Orthanc::PamReader r2(true); |
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546 r2.ReadFromFile(tmp.GetPath()); |
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547 |
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548 ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16); |
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549 ASSERT_EQ(r2.GetWidth(), width); |
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550 ASSERT_EQ(r2.GetHeight(), height); |
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551 |
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552 v = 0; |
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553 for (unsigned int y = 0; y < height; y++) |
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554 { |
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555 const uint16_t* p = reinterpret_cast<const uint16_t*> |
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556 ((const uint8_t*)r2.GetConstBuffer() + y * r2.GetPitch()); |
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557 ASSERT_EQ(p, r2.GetConstRow(y)); |
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558 for (unsigned int x = 0; x < width; x++, p++, v++) |
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559 { |
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560 ASSERT_EQ(*p, v); |
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561 } |
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562 } |
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563 } |
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564 #endif |
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565 } |
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566 |
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567 |
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568 TEST(PngWriter, Gray16Then8) |
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569 { |
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570 Orthanc::Image image16(Orthanc::PixelFormat_Grayscale16, 32, 32, false); |
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571 Orthanc::Image image8(Orthanc::PixelFormat_Grayscale8, 32, 32, false); |
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572 |
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573 memset(image16.GetBuffer(), 0, image16.GetHeight() * image16.GetPitch()); |
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574 memset(image8.GetBuffer(), 0, image8.GetHeight() * image8.GetPitch()); |
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575 |
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576 { |
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577 Orthanc::PamWriter w; |
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578 std::string s; |
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579 Orthanc::IImageWriter::WriteToMemory(w, s, image16); |
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580 Orthanc::IImageWriter::WriteToMemory(w, s, image8); // No problem here |
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581 } |
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582 |
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583 { |
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PngWriter recreates a new libpng context for each encoding
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584 Orthanc::PamWriter w; |
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585 std::string s; |
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PngWriter recreates a new libpng context for each encoding
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586 Orthanc::IImageWriter::WriteToMemory(w, s, image8); |
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parents:
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587 Orthanc::IImageWriter::WriteToMemory(w, s, image16); // No problem here |
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PngWriter recreates a new libpng context for each encoding
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parents:
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588 } |
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PngWriter recreates a new libpng context for each encoding
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parents:
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589 |
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PngWriter recreates a new libpng context for each encoding
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parents:
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590 { |
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PngWriter recreates a new libpng context for each encoding
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591 Orthanc::PngWriter w; |
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PngWriter recreates a new libpng context for each encoding
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592 std::string s; |
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PngWriter recreates a new libpng context for each encoding
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593 Orthanc::IImageWriter::WriteToMemory(w, s, image8); |
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parents:
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594 Orthanc::IImageWriter::WriteToMemory(w, s, image16); // No problem here |
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PngWriter recreates a new libpng context for each encoding
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parents:
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595 } |
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PngWriter recreates a new libpng context for each encoding
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596 |
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597 { |
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598 // The following call leads to "Invalid read of size 1" in Orthanc <= 1.9.2 |
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599 Orthanc::PngWriter w; |
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600 std::string s; |
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601 Orthanc::IImageWriter::WriteToMemory(w, s, image16); |
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PngWriter recreates a new libpng context for each encoding
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602 Orthanc::IImageWriter::WriteToMemory(w, s, image8); // Problem here |
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603 } |
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604 } |