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annotate OrthancFramework/UnitTestsSources/ImageTests.cpp @ 5640:f7adfb22e20e

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updated copyright, as Orthanc Team now replaces Osimis
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 30 May 2024 21:19:57 +0200
parents 48b8dae6dc77
children
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
1900
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU Lesser General Public License
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11 * as published by the Free Software Foundation, either version 3 of
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12 * the License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * Lesser General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU Lesser General Public
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20 * License along with this program. If not, see
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21 * <http://www.gnu.org/licenses/>.
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22 **/
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23
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24
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25 #if ORTHANC_UNIT_TESTS_LINK_FRAMEWORK == 1
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26 // Must be the first to be sure to use the Orthanc framework shared library
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27 # include <OrthancFramework.h>
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28 #endif
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29
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30 #include <gtest/gtest.h>
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31
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32 #include "../Sources/Images/Font.h"
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33 #include "../Sources/Images/Image.h"
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34 #include "../Sources/Images/ImageProcessing.h"
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35 #include "../Sources/Images/JpegReader.h"
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36 #include "../Sources/Images/JpegWriter.h"
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37 #include "../Sources/Images/PamReader.h"
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38 #include "../Sources/Images/PamWriter.h"
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39 #include "../Sources/Images/PngReader.h"
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40 #include "../Sources/Images/PngWriter.h"
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41 #include "../Sources/OrthancException.h"
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42 #include "../Sources/Toolbox.h"
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43
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44 #if ORTHANC_SANDBOXED != 1
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45 # include "../Sources/SystemToolbox.h"
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46 # include "../Sources/TemporaryFile.h"
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47 #endif
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48
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49 #include <stdint.h>
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50
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51
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52 TEST(PngWriter, ColorPattern)
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53 {
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54 Orthanc::PngWriter w;
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55 unsigned int width = 17;
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56 unsigned int height = 61;
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57 unsigned int pitch = width * 3;
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58
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59 std::vector<uint8_t> image(height * pitch);
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60 for (unsigned int y = 0; y < height; y++)
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61 {
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62 uint8_t *p = &image[0] + y * pitch;
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63 for (unsigned int x = 0; x < width; x++, p += 3)
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64 {
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65 p[0] = (y % 3 == 0) ? 255 : 0;
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66 p[1] = (y % 3 == 1) ? 255 : 0;
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67 p[2] = (y % 3 == 2) ? 255 : 0;
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68 }
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69 }
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70
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71 Orthanc::ImageAccessor accessor;
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72 accessor.AssignReadOnly(Orthanc::PixelFormat_RGB24, width, height, pitch, &image[0]);
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73
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74 std::string f;
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75
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76 #if ORTHANC_SANDBOXED == 1
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77 Orthanc::IImageWriter::WriteToMemory(w, f, accessor);
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78 #else
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79 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/ColorPattern.png", accessor);
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80 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/ColorPattern.png");
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81 #endif
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82
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83 std::string md5;
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84 Orthanc::Toolbox::ComputeMD5(md5, f);
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85 ASSERT_EQ("604e785f53c99cae6ea4584870b2c41d", md5);
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86 }
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87
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88 TEST(PngWriter, Color16Pattern)
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89 {
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90 Orthanc::PngWriter w;
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91 unsigned int width = 17;
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92 unsigned int height = 61;
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93 unsigned int pitch = width * 8;
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94
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95 std::vector<uint8_t> image(height * pitch);
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96 for (unsigned int y = 0; y < height; y++)
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97 {
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98 uint8_t *p = &image[0] + y * pitch;
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99 for (unsigned int x = 0; x < width; x++, p += 8)
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100 {
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101 switch (Orthanc::Toolbox::DetectEndianness())
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102 {
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103 case Orthanc::Endianness_Little:
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104 p[0] = (y % 8 == 0) ? 255 : 0;
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105 p[1] = (y % 8 == 1) ? 255 : 0;
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106 p[2] = (y % 8 == 2) ? 255 : 0;
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107 p[3] = (y % 8 == 3) ? 255 : 0;
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108 p[4] = (y % 8 == 4) ? 255 : 0;
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109 p[5] = (y % 8 == 5) ? 255 : 0;
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110 p[6] = (y % 8 == 6) ? 255 : 0;
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111 p[7] = (y % 8 == 7) ? 255 : 0;
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112 break;
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113
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114 case Orthanc::Endianness_Big:
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115 p[0] = (y % 8 == 1) ? 255 : 0;
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116 p[1] = (y % 8 == 0) ? 255 : 0;
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117 p[2] = (y % 8 == 3) ? 255 : 0;
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118 p[3] = (y % 8 == 2) ? 255 : 0;
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119 p[4] = (y % 8 == 5) ? 255 : 0;
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120 p[5] = (y % 8 == 4) ? 255 : 0;
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121 p[6] = (y % 8 == 7) ? 255 : 0;
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122 p[7] = (y % 8 == 6) ? 255 : 0;
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123 break;
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124
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125 default:
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126 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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127 }
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128 }
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129 }
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130
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131 Orthanc::ImageAccessor accessor;
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132 accessor.AssignReadOnly(Orthanc::PixelFormat_RGBA64, width, height, pitch, &image[0]);
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133
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134 std::string f;
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135
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136 #if ORTHANC_SANDBOXED == 1
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137 Orthanc::IImageWriter::WriteToMemory(w, f, accessor);
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138 #else
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139 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/Color16Pattern.png", accessor);
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140 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/Color16Pattern.png");
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141 #endif
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142
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143 std::string md5;
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144 Orthanc::Toolbox::ComputeMD5(md5, f);
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145 ASSERT_EQ("1cca552b6bd152b6fdab35c4a9f02c2a", md5);
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146 }
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147
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148
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149 TEST(PngWriter, Gray8Pattern)
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150 {
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151 Orthanc::PngWriter w;
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152 int width = 17;
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153 int height = 256;
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154 int pitch = width;
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155
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156 std::vector<uint8_t> image(height * pitch);
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157 for (int y = 0; y < height; y++)
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158 {
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159 uint8_t *p = &image[0] + y * pitch;
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160 for (int x = 0; x < width; x++, p++)
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161 {
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162 *p = y;
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163 }
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164 }
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165
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166 Orthanc::ImageAccessor accessor;
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167 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale8, width, height, pitch, &image[0]);
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168
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169 std::string f;
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170
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171 #if ORTHANC_SANDBOXED == 1
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172 Orthanc::IImageWriter::WriteToMemory(w, f, accessor);
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173 #else
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174 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/Gray8Pattern.png", accessor);
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175 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/Gray8Pattern.png");
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176 #endif
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177
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178 std::string md5;
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179 Orthanc::Toolbox::ComputeMD5(md5, f);
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180 ASSERT_EQ("5a9b98bea3d0a6d983980cc38bfbcdb3", md5);
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181 }
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182
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183 TEST(PngWriter, Gray16Pattern)
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184 {
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185 Orthanc::PngWriter w;
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186 int width = 256;
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187 int height = 256;
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188 int pitch = width * 2 + 16;
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189
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190 std::vector<uint8_t> image(height * pitch);
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191
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192 int v = 0;
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193 for (int y = 0; y < height; y++)
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194 {
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195 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch);
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196 for (int x = 0; x < width; x++, p++, v++)
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197 {
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198 *p = v;
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199 }
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200 }
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201
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202 Orthanc::ImageAccessor accessor;
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203 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale16, width, height, pitch, &image[0]);
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204
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205 std::string f;
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206
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207 #if ORTHANC_SANDBOXED == 1
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208 Orthanc::IImageWriter::WriteToMemory(w, f, accessor);
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209 #else
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210 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/Gray16Pattern.png", accessor);
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211 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/Gray16Pattern.png");
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212 #endif
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213
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214 std::string md5;
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215 Orthanc::Toolbox::ComputeMD5(md5, f);
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216 ASSERT_EQ("0785866a08bf0a02d2eeff87f658571c", md5);
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217 }
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218
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219 TEST(PngWriter, EndToEnd)
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220 {
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221 Orthanc::PngWriter w;
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222 unsigned int width = 256;
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223 unsigned int height = 256;
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224 unsigned int pitch = width * 2 + 16;
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225
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226 std::vector<uint8_t> image(height * pitch);
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227
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228 int v = 0;
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229 for (unsigned int y = 0; y < height; y++)
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230 {
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231 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch);
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232 for (unsigned int x = 0; x < width; x++, p++, v++)
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233 {
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234 *p = v;
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235 }
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236 }
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237
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238 Orthanc::ImageAccessor accessor;
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239 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale16, width, height, pitch, &image[0]);
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240
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241 std::string s;
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242 Orthanc::IImageWriter::WriteToMemory(w, s, accessor);
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243
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244 {
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245 Orthanc::PngReader r;
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246 r.ReadFromMemory(s);
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247
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248 ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16);
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249 ASSERT_EQ(r.GetWidth(), width);
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250 ASSERT_EQ(r.GetHeight(), height);
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251
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252 v = 0;
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253 for (unsigned int y = 0; y < height; y++)
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254 {
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255 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r.GetConstBuffer() + y * r.GetPitch());
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256 ASSERT_EQ(p, r.GetConstRow(y));
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257 for (unsigned int x = 0; x < width; x++, p++, v++)
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258 {
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259 ASSERT_EQ(*p, v);
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260 }
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261 }
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262 }
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263
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264 #if ORTHANC_SANDBOXED != 1
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265 {
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266 Orthanc::TemporaryFile tmp;
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267 tmp.Write(s);
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268
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269 Orthanc::PngReader r2;
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270 r2.ReadFromFile(tmp.GetPath());
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271
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272 ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16);
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273 ASSERT_EQ(r2.GetWidth(), width);
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274 ASSERT_EQ(r2.GetHeight(), height);
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275
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276 v = 0;
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277 for (unsigned int y = 0; y < height; y++)
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278 {
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279 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r2.GetConstBuffer() + y * r2.GetPitch());
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280 ASSERT_EQ(p, r2.GetConstRow(y));
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281 for (unsigned int x = 0; x < width; x++, p++, v++)
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282 {
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283 ASSERT_EQ(*p, v);
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284 }
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285 }
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286 }
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287 #endif
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288 }
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289
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290
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291
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292
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293 TEST(JpegWriter, Basic)
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294 {
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295 std::string s;
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296
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297 {
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298 Orthanc::Image img(Orthanc::PixelFormat_Grayscale8, 16, 16, false);
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299 for (unsigned int y = 0, value = 0; y < img.GetHeight(); y++)
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300 {
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301 uint8_t* p = reinterpret_cast<uint8_t*>(img.GetRow(y));
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302 for (unsigned int x = 0; x < img.GetWidth(); x++, p++)
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303 {
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304 *p = value++;
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305 }
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306 }
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307
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308 Orthanc::JpegWriter w;
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309 Orthanc::IImageWriter::WriteToMemory(w, s, img);
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310
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311 #if ORTHANC_SANDBOXED != 1
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312 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/hello.jpg", img);
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313 Orthanc::SystemToolbox::WriteFile(s, "UnitTestsResults/hello2.jpg");
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314
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315 std::string t;
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316 Orthanc::SystemToolbox::ReadFile(t, "UnitTestsResults/hello.jpg");
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317 ASSERT_EQ(s.size(), t.size());
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318 ASSERT_EQ(0, memcmp(s.c_str(), t.c_str(), s.size()));
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319 #endif
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320 }
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321
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322 {
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323 Orthanc::JpegReader r1;
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324 r1.ReadFromMemory(s);
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325 ASSERT_EQ(16u, r1.GetWidth());
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326 ASSERT_EQ(16u, r1.GetHeight());
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327
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328 #if ORTHANC_SANDBOXED != 1
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329 Orthanc::JpegReader r2;
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330 r2.ReadFromFile("UnitTestsResults/hello.jpg");
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331 ASSERT_EQ(16u, r2.GetWidth());
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332 ASSERT_EQ(16u, r2.GetHeight());
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333 #endif
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334
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335 unsigned int value = 0;
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336 for (unsigned int y = 0; y < r1.GetHeight(); y++)
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337 {
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338 const uint8_t* p1 = reinterpret_cast<const uint8_t*>(r1.GetConstRow(y));
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339 #if ORTHANC_SANDBOXED != 1
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340 const uint8_t* p2 = reinterpret_cast<const uint8_t*>(r2.GetConstRow(y));
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341 #endif
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342 for (unsigned int x = 0; x < r1.GetWidth(); x++, value++)
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343 {
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344 ASSERT_TRUE(*p1 == value ||
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345 *p1 == value - 1 ||
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346 *p1 == value + 1); // Be tolerant to differences of +-1
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347
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348 #if ORTHANC_SANDBOXED != 1
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349 ASSERT_EQ(*p1, *p2);
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350 p2++;
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351 #endif
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352
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353 p1++;
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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
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359
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360 TEST(PamWriter, ColorPattern)
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361 {
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362 Orthanc::PamWriter w;
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363 unsigned int width = 17;
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364 unsigned int height = 61;
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365 unsigned int pitch = width * 3;
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366
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367 std::vector<uint8_t> image(height * pitch);
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368 for (unsigned int y = 0; y < height; y++)
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369 {
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370 uint8_t *p = &image[0] + y * pitch;
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371 for (unsigned int x = 0; x < width; x++, p += 3)
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372 {
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373 p[0] = (y % 3 == 0) ? 255 : 0;
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374 p[1] = (y % 3 == 1) ? 255 : 0;
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375 p[2] = (y % 3 == 2) ? 255 : 0;
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376 }
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377 }
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378
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379 Orthanc::ImageAccessor accessor;
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380 accessor.AssignReadOnly(Orthanc::PixelFormat_RGB24, width, height, pitch, &image[0]);
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381
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382 std::string f;
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383
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384 #if ORTHANC_SANDBOXED == 1
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385 Orthanc::IImageWriter::WriteToMemory(w, f, accessor);
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386 #else
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387 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/ColorPattern.pam", accessor);
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388 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/ColorPattern.pam");
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389 #endif
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390
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parents: 4311
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391 std::string md5;
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392 Orthanc::Toolbox::ComputeMD5(md5, f);
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393 ASSERT_EQ("81a3441754e88969ebbe53e69891e841", md5);
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am@osimis.io
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394 }
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am@osimis.io
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395
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am@osimis.io
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396 TEST(PamWriter, Gray8Pattern)
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am@osimis.io
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397 {
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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398 Orthanc::PamWriter w;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
399 int width = 17;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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400 int height = 256;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
401 int pitch = width;
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am@osimis.io
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diff changeset
402
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am@osimis.io
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403 std::vector<uint8_t> image(height * pitch);
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
404 for (int y = 0; y < height; y++)
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
405 {
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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406 uint8_t *p = &image[0] + y * pitch;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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407 for (int x = 0; x < width; x++, p++)
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am@osimis.io
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diff changeset
408 {
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
409 *p = y;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
410 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
411 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
412
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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413 Orthanc::ImageAccessor accessor;
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am@osimis.io
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414 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale8, width, height, pitch, &image[0]);
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am@osimis.io
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415
4325
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
416 std::string f;
2699
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diff changeset
417
4325
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diff changeset
418 #if ORTHANC_SANDBOXED == 1
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419 Orthanc::IImageWriter::WriteToMemory(w, f, accessor);
b96aedfa8cc1 unit tests now running in WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
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420 #else
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421 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/Gray8Pattern.pam", accessor);
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422 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/Gray8Pattern.pam");
4325
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Sebastien Jodogne <s.jodogne@gmail.com>
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423 #endif
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
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424
b96aedfa8cc1 unit tests now running in WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
425 std::string md5;
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426 Orthanc::Toolbox::ComputeMD5(md5, f);
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am@osimis.io
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427 ASSERT_EQ("7873c408d26a9d11dd1c1de5e69cc0a3", md5);
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am@osimis.io
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428 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
429
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am@osimis.io
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430 TEST(PamWriter, Gray16Pattern)
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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431 {
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
432 Orthanc::PamWriter w;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
433 int width = 256;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
434 int height = 256;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
435 int pitch = width * 2 + 16;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
436
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
437 std::vector<uint8_t> image(height * pitch);
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
438
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
439 int v = 0;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
440 for (int y = 0; y < height; y++)
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
441 {
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
442 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch);
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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443 for (int x = 0; x < width; x++, p++, v++)
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
444 {
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
445 *p = v;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
446 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
447 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
448
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
449 Orthanc::ImageAccessor accessor;
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am@osimis.io
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diff changeset
450 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale16, width, height, pitch, &image[0]);
4325
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
451
b96aedfa8cc1 unit tests now running in WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
452 std::string f;
2699
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am@osimis.io
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diff changeset
453
4325
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
454 #if ORTHANC_SANDBOXED == 1
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
455 Orthanc::IImageWriter::WriteToMemory(w, f, accessor);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
456 #else
b96aedfa8cc1 unit tests now running in WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
457 Orthanc::IImageWriter::WriteToFile(w, "UnitTestsResults/Gray16Pattern.pam", accessor);
2699
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458 Orthanc::SystemToolbox::ReadFile(f, "UnitTestsResults/Gray16Pattern.pam");
4325
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
459 #endif
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
460
b96aedfa8cc1 unit tests now running in WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
461 std::string md5;
2699
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462 Orthanc::Toolbox::ComputeMD5(md5, f);
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am@osimis.io
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463 ASSERT_EQ("b268772bf28f3b2b8520ff21c5e3dcb6", md5);
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464 }
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am@osimis.io
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diff changeset
465
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am@osimis.io
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diff changeset
466 TEST(PamWriter, EndToEnd)
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am@osimis.io
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diff changeset
467 {
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
468 Orthanc::PamWriter w;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
469 unsigned int width = 256;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
470 unsigned int height = 256;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
471 unsigned int pitch = width * 2 + 16;
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am@osimis.io
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diff changeset
472
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
473 std::vector<uint8_t> image(height * pitch);
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am@osimis.io
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diff changeset
474
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
475 int v = 0;
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am@osimis.io
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diff changeset
476 for (unsigned int y = 0; y < height; y++)
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
477 {
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
478 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch);
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am@osimis.io
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479 for (unsigned int x = 0; x < width; x++, p++, v++)
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am@osimis.io
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diff changeset
480 {
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am@osimis.io
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diff changeset
481 *p = v;
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am@osimis.io
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diff changeset
482 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
483 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
484
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
485 Orthanc::ImageAccessor accessor;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
486 accessor.AssignReadOnly(Orthanc::PixelFormat_Grayscale16, width, height, pitch, &image[0]);
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am@osimis.io
parents: 2447
diff changeset
487
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am@osimis.io
parents: 2447
diff changeset
488 std::string s;
4311
cb9aef006229 turning IImageWriter into a pure interface
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4211
diff changeset
489 Orthanc::IImageWriter::WriteToMemory(w, s, accessor);
2699
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diff changeset
490
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am@osimis.io
parents: 2447
diff changeset
491 {
4211
afad57ac30ef enforcing parameter "enforceAligned" in PamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4119
diff changeset
492 Orthanc::PamReader r(true);
2699
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diff changeset
493 r.ReadFromMemory(s);
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am@osimis.io
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diff changeset
494
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am@osimis.io
parents: 2447
diff changeset
495 ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16);
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am@osimis.io
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diff changeset
496 ASSERT_EQ(r.GetWidth(), width);
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
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diff changeset
497 ASSERT_EQ(r.GetHeight(), height);
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am@osimis.io
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diff changeset
498
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am@osimis.io
parents: 2447
diff changeset
499 v = 0;
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am@osimis.io
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diff changeset
500 for (unsigned int y = 0; y < height; y++)
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am@osimis.io
parents: 2447
diff changeset
501 {
2707
38a3054b22ff improvement
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2699
diff changeset
502 const uint16_t *p = reinterpret_cast<const uint16_t*>
38a3054b22ff improvement
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2699
diff changeset
503 ((const uint8_t*) r.GetConstBuffer() + y * r.GetPitch());
2699
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am@osimis.io
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diff changeset
504 ASSERT_EQ(p, r.GetConstRow(y));
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
505 for (unsigned int x = 0; x < width; x++, p++, v++)
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
506 {
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
507 ASSERT_EQ(v, *p);
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
508 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
509 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
510 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
511
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
512 {
3834
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
513 // true means "enforce alignment by using a temporary buffer"
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
514 Orthanc::PamReader r(true);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
515 r.ReadFromMemory(s);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
516
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
517 ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
518 ASSERT_EQ(r.GetWidth(), width);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
519 ASSERT_EQ(r.GetHeight(), height);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
520
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
521 v = 0;
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
522 for (unsigned int y = 0; y < height; y++)
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
523 {
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
524 const uint16_t* p = reinterpret_cast<const uint16_t*>
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
525 ((const uint8_t*)r.GetConstBuffer() + y * r.GetPitch());
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
526 ASSERT_EQ(p, r.GetConstRow(y));
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
527 for (unsigned int x = 0; x < width; x++, p++, v++)
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
528 {
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
529 ASSERT_EQ(v, *p);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
530 }
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
531 }
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
532 }
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
533
4325
b96aedfa8cc1 unit tests now running in WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
534 #if ORTHANC_SANDBOXED != 1
3834
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
535 {
2699
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
536 Orthanc::TemporaryFile tmp;
3181
6fd38327e777 Fix issue #130 (Orthanc failed to start when /tmp partition was full)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
537 tmp.Write(s);
2699
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
538
4211
afad57ac30ef enforcing parameter "enforceAligned" in PamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4119
diff changeset
539 Orthanc::PamReader r2(true);
2699
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
540 r2.ReadFromFile(tmp.GetPath());
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
541
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
542 ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16);
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
543 ASSERT_EQ(r2.GetWidth(), width);
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
544 ASSERT_EQ(r2.GetHeight(), height);
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
545
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
546 v = 0;
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
547 for (unsigned int y = 0; y < height; y++)
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
548 {
2707
38a3054b22ff improvement
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2699
diff changeset
549 const uint16_t *p = reinterpret_cast<const uint16_t*>
38a3054b22ff improvement
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2699
diff changeset
550 ((const uint8_t*) r2.GetConstBuffer() + y * r2.GetPitch());
2699
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
551 ASSERT_EQ(p, r2.GetConstRow(y));
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
552 for (unsigned int x = 0; x < width; x++, p++, v++)
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
553 {
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
554 ASSERT_EQ(*p, v);
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
555 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
556 }
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
557 }
4325
b96aedfa8cc1 unit tests now running in WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
558 #endif
3834
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
559
4325
b96aedfa8cc1 unit tests now running in WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
560 #if ORTHANC_SANDBOXED != 1
3834
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
561 {
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
562 Orthanc::TemporaryFile tmp;
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
563 tmp.Write(s);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
564
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
565 // true means "enforce alignment by using a temporary buffer"
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
566 Orthanc::PamReader r2(true);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
567 r2.ReadFromFile(tmp.GetPath());
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
568
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
569 ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
570 ASSERT_EQ(r2.GetWidth(), width);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
571 ASSERT_EQ(r2.GetHeight(), height);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
572
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
573 v = 0;
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
574 for (unsigned int y = 0; y < height; y++)
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
575 {
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
576 const uint16_t* p = reinterpret_cast<const uint16_t*>
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
577 ((const uint8_t*)r2.GetConstBuffer() + y * r2.GetPitch());
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
578 ASSERT_EQ(p, r2.GetConstRow(y));
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
579 for (unsigned int x = 0; x < width; x++, p++, v++)
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
580 {
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
581 ASSERT_EQ(*p, v);
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
582 }
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
583 }
219de90c1f43 Added a flag to use an extra buffer in PamReader
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
584 }
4325
b96aedfa8cc1 unit tests now running in WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4311
diff changeset
585 #endif
2699
52217dc47a4e new image/pam MIME TYPE supported in /instances/../frames/../image-uint8... routes
am@osimis.io
parents: 2447
diff changeset
586 }
4642
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
587
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
588
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
589 TEST(PngWriter, Gray16Then8)
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
590 {
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
591 Orthanc::Image image16(Orthanc::PixelFormat_Grayscale16, 32, 32, false);
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
592 Orthanc::Image image8(Orthanc::PixelFormat_Grayscale8, 32, 32, false);
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
593
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
594 memset(image16.GetBuffer(), 0, image16.GetHeight() * image16.GetPitch());
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
595 memset(image8.GetBuffer(), 0, image8.GetHeight() * image8.GetPitch());
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
596
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
597 {
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
598 Orthanc::PamWriter w;
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
599 std::string s;
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
600 Orthanc::IImageWriter::WriteToMemory(w, s, image16);
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
601 Orthanc::IImageWriter::WriteToMemory(w, s, image8); // No problem here
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
602 }
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
603
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
604 {
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
605 Orthanc::PamWriter w;
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
606 std::string s;
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
607 Orthanc::IImageWriter::WriteToMemory(w, s, image8);
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
608 Orthanc::IImageWriter::WriteToMemory(w, s, image16); // No problem here
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
609 }
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
610
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
611 {
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
612 Orthanc::PngWriter w;
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
613 std::string s;
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
614 Orthanc::IImageWriter::WriteToMemory(w, s, image8);
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
615 Orthanc::IImageWriter::WriteToMemory(w, s, image16); // No problem here
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
616 }
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
617
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
618 {
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
619 // The following call leads to "Invalid read of size 1" in Orthanc <= 1.9.2
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
620 Orthanc::PngWriter w;
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
621 std::string s;
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
622 Orthanc::IImageWriter::WriteToMemory(w, s, image16);
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
623 Orthanc::IImageWriter::WriteToMemory(w, s, image8); // Problem here
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
624 }
69bbb4bd35cb PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
625 }