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annotate Framework/ImageToolbox.cpp @ 234:a464169306ce

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integration 1.0->mainline
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 14 Jan 2021 08:50:27 +0100
parents c0a554576721
children 49f647ed1b4c
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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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1e864138f0da upgrade to year 2021
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "PrecompiledHeadersWSI.h"
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23 #include "ImageToolbox.h"
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24
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25 #include "Jpeg2000Reader.h"
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26 #include "Jpeg2000Writer.h"
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28 #include <Compatibility.h> // For std::unique_ptr
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29 #include <OrthancException.h>
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30 #include <Images/ImageProcessing.h>
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31 #include <Images/PngReader.h>
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32 #include <Images/PngWriter.h>
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33 #include <Images/JpegReader.h>
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34 #include <Images/JpegWriter.h>
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35 #include <Logging.h>
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36
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37 #include <string.h>
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38 #include <memory>
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39
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40
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41 namespace OrthancWSI
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42 {
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43 namespace ImageToolbox
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44 {
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45 Orthanc::ImageAccessor* Allocate(Orthanc::PixelFormat format,
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46 unsigned int width,
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47 unsigned int height)
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48 {
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49 return new Orthanc::Image(format, width, height, false);
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50 }
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51
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52
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53 void Embed(const Orthanc::ImageAccessor& target,
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54 const Orthanc::ImageAccessor& source,
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55 unsigned int x,
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56 unsigned int y)
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57 {
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58 if (target.GetFormat() != source.GetFormat())
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59 {
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60 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
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61 }
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62
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63 if (x >= target.GetWidth() ||
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64 y >= target.GetHeight())
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65 {
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66 return;
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67 }
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68
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69 unsigned int h = std::min(source.GetHeight(), target.GetHeight() - y);
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70 unsigned int w = std::min(source.GetWidth(), target.GetWidth() - x);
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71
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72 Orthanc::ImageAccessor targetRegion, sourceRegion;
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73 target.GetRegion(targetRegion, x, y, w, h);
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74 source.GetRegion(sourceRegion, 0, 0, w, h);
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75
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76 Orthanc::ImageProcessing::Copy(targetRegion, sourceRegion);
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77 }
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80
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81 void Set(Orthanc::ImageAccessor& image,
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82 uint8_t r,
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83 uint8_t g,
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84 uint8_t b)
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85 {
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86 switch (image.GetFormat())
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87 {
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88 case Orthanc::PixelFormat_Grayscale8:
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89 {
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90 #if ORTHANC_FRAMEWORK_VERSION_IS_ABOVE(1, 9, 0)
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91 Orthanc::ImageProcessing::Set(image, r, g, b, 0 /* alpha is ignored */);
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92 #else
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93 uint8_t grayscale = (2126 * static_cast<uint16_t>(r) +
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94 7152 * static_cast<uint16_t>(g) +
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95 0722 * static_cast<uint16_t>(b)) / 10000;
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96 Orthanc::ImageProcessing::Set(image, grayscale);
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97 #endif
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98 break;
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99 }
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100
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101 case Orthanc::PixelFormat_RGB24:
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102 Orthanc::ImageProcessing::Set(image, r, g, b, 0 /* alpha is ignored */);
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103 break;
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104
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105 default:
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106 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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107 }
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108 }
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110
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111 Orthanc::ImageAccessor* DecodeTile(const std::string& source,
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112 ImageCompression compression)
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113 {
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114 switch (compression)
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115 {
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116 case ImageCompression_Png:
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117 {
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118 std::unique_ptr<Orthanc::PngReader> reader(new Orthanc::PngReader);
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119 reader->ReadFromMemory(source);
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120 return reader.release();
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121 }
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122
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123 case ImageCompression_Jpeg:
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124 {
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125 std::unique_ptr<Orthanc::JpegReader> reader(new Orthanc::JpegReader);
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126 reader->ReadFromMemory(source);
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127 return reader.release();
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128 }
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129
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130 case ImageCompression_Jpeg2000:
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131 {
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132 std::unique_ptr<Jpeg2000Reader> reader(new Jpeg2000Reader);
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133 reader->ReadFromMemory(source);
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134 return reader.release();
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135 }
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136
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137 default:
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138 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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139 }
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140 }
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141
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142
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143 Orthanc::ImageAccessor* DecodeRawTile(const std::string& source,
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144 Orthanc::PixelFormat format,
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145 unsigned int width,
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146 unsigned int height)
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147 {
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148 unsigned int bpp = GetBytesPerPixel(format);
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149
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150 if (bpp * width * height != source.size())
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151 {
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152 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize);
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153 }
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154
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155 Orthanc::ImageAccessor accessor;
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156 accessor.AssignReadOnly(format, width, height, bpp * width, source.empty() ? NULL : source.c_str());
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157
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158 return Orthanc::Image::Clone(accessor);
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159 }
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160
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161
0
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162 void EncodeTile(std::string& target,
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163 const Orthanc::ImageAccessor& source,
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164 ImageCompression compression,
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165 uint8_t quality)
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166 {
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167 if (compression == ImageCompression_None)
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168 {
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169 unsigned int pitch = GetBytesPerPixel(source.GetFormat()) * source.GetWidth();
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170 target.resize(pitch * source.GetHeight());
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171
210
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172 const unsigned int height = source.GetHeight();
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173 for (unsigned int i = 0; i < height; i++)
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174 {
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175 memcpy(&target[i * pitch], source.GetConstRow(i), pitch);
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176 }
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177 }
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178 else
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179 {
199
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180 std::unique_ptr<Orthanc::IImageWriter> writer;
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181
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182 switch (compression)
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183 {
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184 case ImageCompression_Png:
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185 writer.reset(new Orthanc::PngWriter);
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186 break;
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187
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188 case ImageCompression_Jpeg:
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189 writer.reset(new Orthanc::JpegWriter);
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190 dynamic_cast<Orthanc::JpegWriter&>(*writer).SetQuality(quality);
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191 break;
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192
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193 case ImageCompression_Jpeg2000:
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194 writer.reset(new Jpeg2000Writer);
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195 break;
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196
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197 default:
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198 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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199 }
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200
211
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201 Orthanc::IImageWriter::WriteToMemory(*writer, target, source);
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202 }
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203 }
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204
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205
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206 void ChangeTileCompression(std::string& target,
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207 const std::string& source,
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208 ImageCompression sourceCompression,
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209 ImageCompression targetCompression,
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210 uint8_t quality)
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211 {
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212 if (sourceCompression == targetCompression)
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213 {
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214 target = source;
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215 }
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216 else
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217 {
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218 std::unique_ptr<Orthanc::ImageAccessor> decoded(DecodeTile(source, sourceCompression));
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219 EncodeTile(target, *decoded, targetCompression, quality);
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220 }
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221 }
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222
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223
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224 Orthanc::ImageAccessor* Render(ITiledPyramid& pyramid,
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225 unsigned int level)
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226 {
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227 std::unique_ptr<Orthanc::ImageAccessor> result(Allocate(pyramid.GetPixelFormat(),
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228 pyramid.GetLevelWidth(level),
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229 pyramid.GetLevelHeight(level)));
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230
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231 LOG(INFO) << "Rendering a tiled image of size "
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232 << result->GetWidth() << "x" << result->GetHeight();
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233
209
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234 const unsigned int width = result->GetWidth();
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235 const unsigned int height = result->GetHeight();
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236
217
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237 for (unsigned int y = 0; y < height; y += pyramid.GetTileHeight(level))
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238 {
217
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239 for (unsigned int x = 0; x < width; x += pyramid.GetTileWidth(level))
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240 {
217
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241 std::unique_ptr<Orthanc::ImageAccessor> tile(
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242 pyramid.DecodeTile(level,
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243 x / pyramid.GetTileWidth(level),
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244 y / pyramid.GetTileHeight(level)));
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245 Embed(*result, *tile, x, y);
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246 }
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247 }
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248
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249 return result.release();
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250 }
217
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251
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252
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253 void CheckConstantTileSize(const ITiledPyramid& source)
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254 {
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255 if (source.GetLevelCount() == 0)
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256 {
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257 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize,
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258 "Input pyramid has no level");
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259 }
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260 else
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261 {
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262 for (unsigned int level = 0; level < source.GetLevelCount(); level++)
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263 {
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264 if (source.GetTileWidth(level) != source.GetTileWidth(0) ||
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265 source.GetTileHeight(level) != source.GetTileHeight(0))
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266 {
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267 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize,
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268 "The DICOMizer requires that the input pyramid has constant "
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269 "tile sizes across all its levels, which is not the case");
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270 }
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271 }
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272 }
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273 }
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274
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275
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276 void ConvertJpegYCbCrToRgb(Orthanc::ImageAccessor& image)
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277 {
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278 #if defined(ORTHANC_FRAMEWORK_VERSION_IS_ABOVE) && ORTHANC_FRAMEWORK_VERSION_IS_ABOVE(1, 9, 0)
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279 Orthanc::ImageProcessing::ConvertJpegYCbCrToRgb(image);
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280 #else
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281 # if defined(__GNUC__) || defined(__clang__)
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282 # warning You are using an old version of the Orthanc framework
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283 # endif
217
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284 const unsigned int width = image.GetWidth();
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285 const unsigned int height = image.GetHeight();
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286 const unsigned int pitch = image.GetPitch();
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287 uint8_t* buffer = reinterpret_cast<uint8_t*>(image.GetBuffer());
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288
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289 if (image.GetFormat() != Orthanc::PixelFormat_RGB24 ||
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290 pitch < 3 * width)
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291 {
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292 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
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293 }
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294
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295 for (unsigned int y = 0; y < height; y++)
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296 {
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297 uint8_t* p = buffer + y * pitch;
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298
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299 for (unsigned int x = 0; x < width; x++, p += 3)
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300 {
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301 const float Y = p[0];
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302 const float Cb = p[1];
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303 const float Cr = p[2];
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304
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305 const float result[3] = {
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306 Y + 1.402f * (Cr - 128.0f),
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307 Y - 0.344136f * (Cb - 128.0f) - 0.714136f * (Cr - 128.0f),
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308 Y + 1.772f * (Cb - 128.0f)
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309 };
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310
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311 for (uint8_t i = 0; i < 3 ; i++)
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312 {
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313 if (result[i] < 0)
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314 {
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315 p[i] = 0;
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316 }
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317 else if (result[i] > 255)
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318 {
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319 p[i] = 255;
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320 }
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321 else
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322 {
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323 p[i] = static_cast<uint8_t>(result[i]);
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324 }
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325 }
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326 }
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327 }
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328 #endif
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329 }
0
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330 }
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331 }