166 lines
4.9 KiB
C++
166 lines
4.9 KiB
C++
/**
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* Orthanc - A Lightweight, RESTful DICOM Store
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* Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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* Department, University Hospital of Liege, Belgium
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* Copyright (C) 2017-2023 Osimis S.A., Belgium
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* Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
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* Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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*
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* This program is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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**/
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#include <orthanc/OrthancCPlugin.h>
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#include <string>
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static OrthancPluginContext* context_ = NULL;
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static bool ReadFile(std::string& result,
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const std::string& path)
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{
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OrthancPluginMemoryBuffer tmp;
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if (OrthancPluginReadFile(context_, &tmp, path.c_str()) == OrthancPluginErrorCode_Success)
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{
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result.assign(reinterpret_cast<const char*>(tmp.data), tmp.size);
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OrthancPluginFreeMemoryBuffer(context_, &tmp);
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return true;
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}
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else
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{
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return false;
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}
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}
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OrthancPluginErrorCode OnStoredCallback(const OrthancPluginDicomInstance* instance,
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const char* instanceId)
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{
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char buffer[1024];
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sprintf(buffer, "Just received a DICOM instance of size %d and ID %s from origin %d (AET %s)",
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(int) OrthancPluginGetInstanceSize(context_, instance), instanceId,
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OrthancPluginGetInstanceOrigin(context_, instance),
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OrthancPluginGetInstanceRemoteAet(context_, instance));
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OrthancPluginLogInfo(context_, buffer);
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if (OrthancPluginGetInstanceOrigin(context_, instance) == OrthancPluginInstanceOrigin_Plugin)
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{
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// Do not compress twice the same file
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return OrthancPluginErrorCode_Success;
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}
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// Write the uncompressed DICOM content to some temporary file
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std::string uncompressed = "uncompressed-" + std::string(instanceId) + ".dcm";
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OrthancPluginErrorCode error = OrthancPluginWriteFile(context_, uncompressed.c_str(),
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OrthancPluginGetInstanceData(context_, instance),
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OrthancPluginGetInstanceSize(context_, instance));
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if (error)
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{
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return error;
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}
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// Remove the original DICOM instance
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std::string uri = "/instances/" + std::string(instanceId);
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error = OrthancPluginRestApiDelete(context_, uri.c_str());
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if (error)
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{
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return error;
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}
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// Path to the temporary file that will contain the compressed DICOM content
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std::string compressed = "compressed-" + std::string(instanceId) + ".dcm";
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// Compress to JPEG2000 using gdcm
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std::string command1 = "gdcmconv --j2k " + uncompressed + " " + compressed;
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// Generate a new SOPInstanceUID for the JPEG2000 file, as gdcmconv
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// does not do this by itself
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std::string command2 = "dcmodify --no-backup -gin " + compressed;
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// Make the required system calls
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system(command1.c_str());
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system(command2.c_str());
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// Read the result of the JPEG2000 compression
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std::string j2k;
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bool ok = ReadFile(j2k, compressed);
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// Remove the two temporary files
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remove(compressed.c_str());
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remove(uncompressed.c_str());
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if (!ok)
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{
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return OrthancPluginErrorCode_Plugin;
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}
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// Upload the JPEG2000 file through the REST API
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OrthancPluginMemoryBuffer tmp;
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if (OrthancPluginRestApiPost(context_, &tmp, "/instances", j2k.c_str(), j2k.size()))
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{
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ok = false;
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}
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if (ok)
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{
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OrthancPluginFreeMemoryBuffer(context_, &tmp);
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}
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return ok ? OrthancPluginErrorCode_Success : OrthancPluginErrorCode_Plugin;
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}
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extern "C"
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{
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ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c)
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{
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context_ = c;
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/* Check the version of the Orthanc core */
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if (OrthancPluginCheckVersion(c) == 0)
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{
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char info[1024];
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sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin",
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context_->orthancVersion,
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ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER,
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ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER,
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ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER);
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OrthancPluginLogError(context_, info);
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return -1;
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}
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OrthancPluginRegisterOnStoredInstanceCallback(context_, OnStoredCallback);
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return 0;
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}
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ORTHANC_PLUGINS_API void OrthancPluginFinalize()
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{
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}
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ORTHANC_PLUGINS_API const char* OrthancPluginGetName()
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{
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return "sample-jpeg2k";
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}
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ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion()
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{
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return "0.0";
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}
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}
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