Mercurial > hg > orthanc

annotate UnitTestsSources/ImageTests.cpp @ 1900:b1291df2f780

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2016
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 04 Jan 2016 13:17:22 +0100
parents 3727a09e7b53
children 5bcf721bde4f
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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 *
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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"
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34 #include "gtest/gtest.h"
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35
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36 #include "../Core/Images/Font.h"
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37 #include "../Core/Images/Image.h"
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38 #include "../Core/Images/ImageProcessing.h"
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39 #include "../Core/Images/JpegReader.h"
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40 #include "../Core/Images/JpegWriter.h"
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41 #include "../Core/Images/PngReader.h"
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42 #include "../Core/Images/PngWriter.h"
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43 #include "../Core/Toolbox.h"
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44 #include "../Core/Uuid.h"
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45 #include "../OrthancServer/OrthancInitialization.h"
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46
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47 #include <stdint.h>
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48
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49
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50 TEST(PngWriter, ColorPattern)
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51 {
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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;
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56
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57 std::vector<uint8_t> image(height * pitch);
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58 for (unsigned int y = 0; y < height; y++)
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59 {
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60 uint8_t *p = &image[0] + y * pitch;
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61 for (unsigned int x = 0; x < width; x++, p += 3)
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62 {
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63 p[0] = (y % 3 == 0) ? 255 : 0;
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64 p[1] = (y % 3 == 1) ? 255 : 0;
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65 p[2] = (y % 3 == 2) ? 255 : 0;
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66 }
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67 }
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68
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69 w.WriteToFile("UnitTestsResults/ColorPattern.png", width, height, pitch, Orthanc::PixelFormat_RGB24, &image[0]);
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70
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71 std::string f, md5;
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72 Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/ColorPattern.png");
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73 Orthanc::Toolbox::ComputeMD5(md5, f);
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74 ASSERT_EQ("604e785f53c99cae6ea4584870b2c41d", md5);
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75 }
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76
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77 TEST(PngWriter, Gray8Pattern)
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78 {
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79 Orthanc::PngWriter w;
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80 int width = 17;
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81 int height = 256;
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82 int pitch = width;
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83
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84 std::vector<uint8_t> image(height * pitch);
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85 for (int y = 0; y < height; y++)
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86 {
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87 uint8_t *p = &image[0] + y * pitch;
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88 for (int x = 0; x < width; x++, p++)
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89 {
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90 *p = y;
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91 }
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92 }
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93
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94 w.WriteToFile("UnitTestsResults/Gray8Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale8, &image[0]);
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95
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96 std::string f, md5;
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97 Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/Gray8Pattern.png");
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98 Orthanc::Toolbox::ComputeMD5(md5, f);
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99 ASSERT_EQ("5a9b98bea3d0a6d983980cc38bfbcdb3", md5);
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100 }
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101
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102 TEST(PngWriter, Gray16Pattern)
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103 {
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104 Orthanc::PngWriter w;
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105 int width = 256;
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106 int height = 256;
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107 int pitch = width * 2 + 16;
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108
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109 std::vector<uint8_t> image(height * pitch);
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110
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111 int v = 0;
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112 for (int y = 0; y < height; y++)
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113 {
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114 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch);
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115 for (int x = 0; x < width; x++, p++, v++)
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116 {
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117 *p = v;
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118 }
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119 }
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120
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121 w.WriteToFile("UnitTestsResults/Gray16Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]);
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122
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123 std::string f, md5;
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124 Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/Gray16Pattern.png");
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125 Orthanc::Toolbox::ComputeMD5(md5, f);
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126 ASSERT_EQ("0785866a08bf0a02d2eeff87f658571c", md5);
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127 }
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128
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129 TEST(PngWriter, EndToEnd)
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130 {
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131 Orthanc::PngWriter w;
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132 unsigned int width = 256;
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133 unsigned int height = 256;
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134 unsigned int pitch = width * 2 + 16;
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135
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136 std::vector<uint8_t> image(height * pitch);
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137
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138 int v = 0;
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139 for (unsigned int y = 0; y < height; y++)
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140 {
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141 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch);
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142 for (unsigned int x = 0; x < width; x++, p++, v++)
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143 {
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144 *p = v;
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145 }
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146 }
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147
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148 std::string s;
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149 w.WriteToMemory(s, width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]);
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150
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151 {
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152 Orthanc::PngReader r;
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153 r.ReadFromMemory(s);
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154
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155 ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16);
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156 ASSERT_EQ(r.GetWidth(), width);
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157 ASSERT_EQ(r.GetHeight(), height);
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158
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159 v = 0;
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160 for (unsigned int y = 0; y < height; y++)
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161 {
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162 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r.GetConstBuffer() + y * r.GetPitch());
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163 ASSERT_EQ(p, r.GetConstRow(y));
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164 for (unsigned int x = 0; x < width; x++, p++, v++)
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165 {
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166 ASSERT_EQ(*p, v);
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167 }
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168 }
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169 }
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170
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171 {
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172 Orthanc::Toolbox::TemporaryFile tmp;
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173 Orthanc::Toolbox::WriteFile(s, tmp.GetPath());
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174
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175 Orthanc::PngReader r2;
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176 r2.ReadFromFile(tmp.GetPath());
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177
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178 ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16);
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179 ASSERT_EQ(r2.GetWidth(), width);
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180 ASSERT_EQ(r2.GetHeight(), height);
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181
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182 v = 0;
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183 for (unsigned int y = 0; y < height; y++)
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184 {
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185 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r2.GetConstBuffer() + y * r2.GetPitch());
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186 ASSERT_EQ(p, r2.GetConstRow(y));
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187 for (unsigned int x = 0; x < width; x++, p++, v++)
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188 {
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189 ASSERT_EQ(*p, v);
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190 }
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191 }
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192 }
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193 }
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194
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195
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196
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197
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198 TEST(JpegWriter, Basic)
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199 {
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200 std::string s;
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201
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202 {
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203 Orthanc::Image img(Orthanc::PixelFormat_Grayscale8, 16, 16);
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204 for (unsigned int y = 0, value = 0; y < img.GetHeight(); y++)
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205 {
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diff changeset
206 uint8_t* p = reinterpret_cast<uint8_t*>(img.GetRow(y));
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207 for (unsigned int x = 0; x < img.GetWidth(); x++, p++)
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208 {
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209 *p = value++;
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210 }
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211 }
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212
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213 Orthanc::JpegWriter w;
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214 w.WriteToFile("UnitTestsResults/hello.jpg", img);
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215
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216 w.WriteToMemory(s, img);
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217 Orthanc::Toolbox::WriteFile(s, "UnitTestsResults/hello2.jpg");
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218
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219 std::string t;
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220 Orthanc::Toolbox::ReadFile(t, "UnitTestsResults/hello.jpg");
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221 ASSERT_EQ(s.size(), t.size());
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diff changeset
222 ASSERT_EQ(0, memcmp(s.c_str(), t.c_str(), s.size()));
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223 }
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diff changeset
224
1f5d6a2f9638 JpegReader
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diff changeset
225 {
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226 Orthanc::JpegReader r1, r2;
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227 r1.ReadFromFile("UnitTestsResults/hello.jpg");
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228 ASSERT_EQ(16, r1.GetWidth());
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229 ASSERT_EQ(16, r1.GetHeight());
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230
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231 r2.ReadFromMemory(s);
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232 ASSERT_EQ(16, r2.GetWidth());
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diff changeset
233 ASSERT_EQ(16, r2.GetHeight());
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diff changeset
234
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diff changeset
235 for (unsigned int y = 0; y < r1.GetHeight(); y++)
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diff changeset
236 {
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diff changeset
237 const uint8_t* p1 = reinterpret_cast<const uint8_t*>(r1.GetConstRow(y));
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diff changeset
238 const uint8_t* p2 = reinterpret_cast<const uint8_t*>(r2.GetConstRow(y));
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diff changeset
239 for (unsigned int x = 0; x < r1.GetWidth(); x++)
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240 {
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241 ASSERT_EQ(*p1, *p2);
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242 }
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243 }
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244 }
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245 }
1610
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246
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247
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248 TEST(Font, Basic)
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249 {
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250 Orthanc::Image s(Orthanc::PixelFormat_RGB24, 640, 480);
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diff changeset
251 memset(s.GetBuffer(), 0, s.GetPitch() * s.GetHeight());
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diff changeset
252
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253 ASSERT_GE(1, Orthanc::Configuration::GetFontRegistry().GetSize());
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diff changeset
254 Orthanc::Configuration::GetFontRegistry().GetFont(0).Draw(s, "Hello world É\n\rComment ça va ?\nq", 50, 60, 255, 0, 0);
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diff changeset
255
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diff changeset
256 Orthanc::PngWriter w;
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diff changeset
257 w.WriteToFile("UnitTestsResults/font.png", s);
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diff changeset
258 }
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diff changeset
259