Mercurial > hg > orthanc

annotate Plugins/Samples/GdcmDecoding/OrthancContext.cpp @ 1656:d3ba98d6b6e9

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refactoring
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 29 Sep 2015 15:13:34 +0200
parents 3d76e26b3865
children
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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21 #include "OrthancContext.h"
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22
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23 #include <stdexcept>
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25
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26 void OrthancContext::Check()
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27 {
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28 if (context_ == NULL)
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29 {
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30 throw std::runtime_error("The Orthanc plugin context is not initialized");
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31 }
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32 }
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34
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35 OrthancContext& OrthancContext::GetInstance()
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36 {
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37 static OrthancContext instance;
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38 return instance;
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39 }
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41
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42 void OrthancContext::ExtractGetArguments(Arguments& arguments,
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43 const OrthancPluginHttpRequest& request)
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44 {
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45 Check();
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46 arguments.clear();
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47
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48 for (uint32_t i = 0; i < request.getCount; i++)
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49 {
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50 arguments[request.getKeys[i]] = request.getValues[i];
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51 }
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52 }
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54
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55 void OrthancContext::LogError(const std::string& s)
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56 {
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57 Check();
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58 OrthancPluginLogError(context_, s.c_str());
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59 }
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60
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61
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62 void OrthancContext::LogWarning(const std::string& s)
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63 {
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64 Check();
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65 OrthancPluginLogWarning(context_, s.c_str());
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66 }
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67
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68
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69 void OrthancContext::LogInfo(const std::string& s)
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70 {
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71 Check();
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72 OrthancPluginLogInfo(context_, s.c_str());
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73 }
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74
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76 void OrthancContext::Register(const std::string& uri,
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77 OrthancPluginRestCallback callback)
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78 {
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79 Check();
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80 OrthancPluginRegisterRestCallback(context_, uri.c_str(), callback);
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81 }
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82
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83
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84 void OrthancContext::GetDicomForInstance(std::string& result,
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85 const std::string& instanceId)
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86 {
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87 Check();
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88 OrthancPluginMemoryBuffer buffer;
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89
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90 if (OrthancPluginGetDicomForInstance(context_, &buffer, instanceId.c_str()))
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91 {
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92 throw std::runtime_error("No DICOM instance with Orthanc ID: " + instanceId);
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93 }
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94
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95 if (buffer.size == 0)
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96 {
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97 result.clear();
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98 }
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99 else
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100 {
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101 result.assign(reinterpret_cast<char*>(buffer.data), buffer.size);
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102 }
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103
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104 OrthancPluginFreeMemoryBuffer(context_, &buffer);
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105 }
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106
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107
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108 void OrthancContext::CompressAndAnswerPngImage(OrthancPluginRestOutput* output,
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109 const Orthanc::ImageAccessor& accessor)
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110 {
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111 Check();
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112
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113 OrthancPluginPixelFormat format;
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114 switch (accessor.GetFormat())
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115 {
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116 case Orthanc::PixelFormat_Grayscale8:
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117 format = OrthancPluginPixelFormat_Grayscale8;
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118 break;
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119
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120 case Orthanc::PixelFormat_Grayscale16:
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121 format = OrthancPluginPixelFormat_Grayscale16;
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122 break;
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123
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124 case Orthanc::PixelFormat_SignedGrayscale16:
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125 format = OrthancPluginPixelFormat_SignedGrayscale16;
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126 break;
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127
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128 case Orthanc::PixelFormat_RGB24:
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129 format = OrthancPluginPixelFormat_RGB24;
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130 break;
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131
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132 case Orthanc::PixelFormat_RGBA32:
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133 format = OrthancPluginPixelFormat_RGBA32;
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134 break;
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135
80d4f1618b33 Sample plugin to replace DCMTK by GDCM when decoding images
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136 default:
80d4f1618b33 Sample plugin to replace DCMTK by GDCM when decoding images
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137 throw std::runtime_error("Unsupported pixel format");
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138 }
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139
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140 OrthancPluginCompressAndAnswerPngImage(context_, output, format, accessor.GetWidth(),
80d4f1618b33 Sample plugin to replace DCMTK by GDCM when decoding images
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141 accessor.GetHeight(), accessor.GetPitch(), accessor.GetConstBuffer());
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142 }
993
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143
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144
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145
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146 void OrthancContext::Redirect(OrthancPluginRestOutput* output,
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147 const std::string& s)
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148 {
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149 Check();
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150 OrthancPluginRedirect(context_, output, s.c_str());
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151 }