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annotate Plugins/Samples/Basic/Plugin.c @ 1043:be849646b2bf

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sample
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 17 Jul 2014 15:59:06 +0200
parents 8d1845feb277
children 6d90e2bcab60
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * Permission is hereby granted, free of charge, to any person
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7 * obtaining a copy of this software and associated documentation
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8 * files (the "Software"), to deal in the Software without
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9 * restriction, including without limitation the rights to use, copy,
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10 * modify, merge, publish, distribute, sublicense, and/or sell copies
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11 * of the Software, and to permit persons to whom the Software is
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12 * furnished to do so, subject to the following conditions:
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13 *
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14 * The above copyright notice and this permission notice shall be
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15 * included in all copies or substantial portions of the Software.
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16 *
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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21 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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22 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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24 * SOFTWARE.
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25 **/
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26
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27
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28 #include <OrthancCPlugin.h>
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29
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30 #include <string.h>
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31 #include <stdio.h>
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32
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33 static OrthancPluginContext* context = NULL;
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34
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35
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36 ORTHANC_PLUGINS_API int32_t Callback1(OrthancPluginRestOutput* output,
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37 const char* url,
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38 const OrthancPluginHttpRequest* request)
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39 {
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40 char buffer[1024];
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41 uint32_t i;
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42
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43 sprintf(buffer, "Callback on URL [%s] with body [%s]\n", url, request->body);
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44 OrthancPluginLogWarning(context, buffer);
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45
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46 OrthancPluginSetCookie(context, output, "hello", "world");
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47 OrthancPluginAnswerBuffer(context, output, buffer, strlen(buffer), "text/plain");
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48
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49 OrthancPluginLogWarning(context, "");
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50
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51 for (i = 0; i < request->groupsCount; i++)
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52 {
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53 sprintf(buffer, " REGEX GROUP %d = [%s]", i, request->groups[i]);
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54 OrthancPluginLogWarning(context, buffer);
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55 }
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56
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57 OrthancPluginLogWarning(context, "");
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58
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59 for (i = 0; i < request->getCount; i++)
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60 {
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61 sprintf(buffer, " GET [%s] = [%s]", request->getKeys[i], request->getValues[i]);
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62 OrthancPluginLogWarning(context, buffer);
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63 }
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64
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65 OrthancPluginLogWarning(context, "");
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66
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67 for (i = 0; i < request->headersCount; i++)
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68 {
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69 sprintf(buffer, " HEADERS [%s] = [%s]", request->headersKeys[i], request->headersValues[i]);
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70 OrthancPluginLogWarning(context, buffer);
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71 }
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73 OrthancPluginLogWarning(context, "");
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74
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75 return 1;
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76 }
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78
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79 ORTHANC_PLUGINS_API int32_t Callback2(OrthancPluginRestOutput* output,
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80 const char* url,
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81 const OrthancPluginHttpRequest* request)
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82 {
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83 /* Answer with a sample 16bpp image. */
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84
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85 uint16_t buffer[256 * 256];
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86 uint32_t x, y, value;
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87
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88 if (request->method != OrthancPluginHttpMethod_Get)
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89 {
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90 OrthancPluginSendMethodNotAllowed(context, output, "GET");
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91 }
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92 else
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93 {
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94 value = 0;
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95 for (y = 0; y < 256; y++)
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96 {
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97 for (x = 0; x < 256; x++, value++)
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98 {
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99 buffer[value] = value;
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100 }
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101 }
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102
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103 OrthancPluginCompressAndAnswerPngImage(context, output, OrthancPluginPixelFormat_Grayscale16,
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104 256, 256, sizeof(uint16_t) * 256, buffer);
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105 }
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106
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107 return 0;
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108 }
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109
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110
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111 ORTHANC_PLUGINS_API int32_t Callback3(OrthancPluginRestOutput* output,
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112 const char* url,
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113 const OrthancPluginHttpRequest* request)
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114 {
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115 OrthancPluginMemoryBuffer dicom;
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116 if (!OrthancPluginGetDicomForInstance(context, &dicom, request->groups[0]))
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117 {
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118 /* No error, forward the DICOM file */
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119 OrthancPluginAnswerBuffer(context, output, dicom.data, dicom.size, "application/dicom");
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120
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121 /* Free memory */
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122 OrthancPluginFreeMemoryBuffer(context, &dicom);
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123 }
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124
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125 return 0;
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126 }
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127
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128
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129 ORTHANC_PLUGINS_API int32_t Callback4(OrthancPluginRestOutput* output,
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130 const char* url,
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131 const OrthancPluginHttpRequest* request)
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132 {
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133 /* Answer with a sample 8bpp image. */
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134
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135 uint8_t buffer[256 * 256];
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136 uint32_t x, y, value;
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137
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138 value = 0;
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139 for (y = 0; y < 256; y++)
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140 {
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141 for (x = 0; x < 256; x++, value++)
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142 {
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143 buffer[value] = x;
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144 }
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145 }
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146
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147 OrthancPluginCompressAndAnswerPngImage(context, output, OrthancPluginPixelFormat_Grayscale8,
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148 256, 256, 256, buffer);
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149 return 0;
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150 }
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151
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152
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153 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c)
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154 {
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155 const char* pathLocator = "\"Path\" : \"";
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156 OrthancPluginMemoryBuffer tmp;
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157 char info[1024];
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158 char *id, *eos;
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159
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160 context = c;
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161 OrthancPluginLogWarning(context, "Sample plugin is initializing");
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162
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163 /* Check the version of the Orthanc core */
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164 if (OrthancPluginCheckVersion(c) == 0)
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165 {
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166 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin",
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167 c->orthancVersion,
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168 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER,
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169 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER,
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170 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER);
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171 OrthancPluginLogError(context, info);
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172 return -1;
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173 }
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174
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175 sprintf(info, "The version of Orthanc is '%s'", context->orthancVersion);
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176 OrthancPluginLogInfo(context, info);
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177
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178 OrthancPluginRegisterRestCallback(context, "/(plu.*)/hello", Callback1);
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179 OrthancPluginRegisterRestCallback(context, "/plu.*/image", Callback2);
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180 OrthancPluginRegisterRestCallback(context, "/plugin/instances/([^/]+)/info", Callback3);
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181
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182 OrthancPluginRegisterRestCallback(context, "/instances/([^/]+)/preview", Callback4);
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183
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184 /* Make REST requests to the built-in Orthanc API */
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185 OrthancPluginRestApiGet(context, &tmp, "/changes");
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186 OrthancPluginFreeMemoryBuffer(context, &tmp);
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187 OrthancPluginRestApiGet(context, &tmp, "/changes?limit=1");
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188 OrthancPluginFreeMemoryBuffer(context, &tmp);
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189
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190 /* Make POST request to create a new DICOM instance */
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191 sprintf(info, "{\"PatientName\":\"Test\"}");
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192 OrthancPluginRestApiPost(context, &tmp, "/tools/create-dicom", info, strlen(info));
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193
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194 /**
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195 * Recover he ID of the created instance is constructed by a
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196 * quick-and-dirty parsing of a JSON string.
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197 **/
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198 id = strstr((char*) tmp.data, pathLocator) + strlen(pathLocator);
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199 eos = strchr(id, '\"');
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200 eos[0] = '\0';
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201
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202 /* Delete the newly created DICOM instance. */
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203 OrthancPluginRestApiDelete(context, id);
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204 OrthancPluginFreeMemoryBuffer(context, &tmp);
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205
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206 /* Play with PUT by defining a new target modality. */
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207 sprintf(info, "[ \"STORESCP\", \"localhost\", 2000 ]");
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208 OrthancPluginRestApiPut(context, &tmp, "/modalities/demo", info, strlen(info));
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209
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210 return 0;
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211 }
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212
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213
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214 ORTHANC_PLUGINS_API void OrthancPluginFinalize()
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215 {
903
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216 OrthancPluginLogWarning(context, "Sample plugin is finalizing");
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217 }
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218
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219
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220 ORTHANC_PLUGINS_API const char* OrthancPluginGetName()
d44b845c1c89 recursive scan for plugins
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221 {
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222 return "sample";
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223 }
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224
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225
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226 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion()
d44b845c1c89 recursive scan for plugins
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227 {
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228 return "1.0";
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229 }
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diff changeset
230