Mercurial > hg > orthanc
view Core/DicomParsing/MemoryBufferTranscoder.cpp @ 3917:04fb907dfc85 transcoding
NEWS: issue #169 was fixed by 8f7ad4989fec
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 11 May 2020 21:12:40 +0200 |
parents | 1f71c2f20e16 |
children | 7dc5e7e0045d |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "../PrecompiledHeaders.h" #include "MemoryBufferTranscoder.h" #include "../OrthancException.h" #include "FromDcmtkBridge.h" namespace Orthanc { MemoryBufferTranscoder::MemoryBufferTranscoder() { #if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1 useDcmtk_ = true; #else useDcmtk_ = false; #endif } void MemoryBufferTranscoder::SetDcmtkUsed(bool used) { #if ORTHANC_ENABLE_DCMTK_TRANSCODING != 1 if (useDcmtk) { throw OrthancException(ErrorCode_NotImplemented, "Orthanc was built without support for DMCTK transcoding"); } #endif useDcmtk_ = used; } bool MemoryBufferTranscoder::TranscodeParsedToBuffer( std::string& target /* out */, DicomTransferSyntax& sourceSyntax /* out */, bool& hasSopInstanceUidChanged /* out */, DcmFileFormat& dicom /* in, possibly modified */, DicomTransferSyntax targetSyntax, bool allowNewSopInstanceUid) { if (dicom.getDataset() == NULL) { throw OrthancException(ErrorCode_InternalError); } std::string source; FromDcmtkBridge::SaveToMemoryBuffer(source, *dicom.getDataset()); const void* data = source.empty() ? NULL : source.c_str(); std::set<DicomTransferSyntax> tmp; tmp.insert(targetSyntax); DicomTransferSyntax targetSyntax2; bool success = Transcode(target, sourceSyntax, targetSyntax2, hasSopInstanceUidChanged, data, source.size(), tmp, allowNewSopInstanceUid); if (success && targetSyntax != targetSyntax2) { throw OrthancException(ErrorCode_InternalError); } #if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1 if (!success && useDcmtk_ && dcmtk_.TranscodeParsedToBuffer( target, sourceSyntax, hasSopInstanceUidChanged, dicom, targetSyntax, allowNewSopInstanceUid)) { success = true; } #endif return success; } IDicomTranscoder::TranscodedDicom* MemoryBufferTranscoder::TranscodeToParsed( DcmFileFormat& dicom /* in, possibly modified */, const void* buffer /* in, same DICOM file as "dicom" */, size_t size, const std::set<DicomTransferSyntax>& allowedSyntaxes, bool allowNewSopInstanceUid) { DicomTransferSyntax sourceSyntax, targetSyntax; bool hasSopInstanceUidChanged; std::string target; if (Transcode(target, sourceSyntax, targetSyntax, hasSopInstanceUidChanged, buffer, size, allowedSyntaxes, allowNewSopInstanceUid)) { const void* data = target.empty() ? NULL : target.c_str(); return IDicomTranscoder::TranscodedDicom::CreateFromInternal( FromDcmtkBridge::LoadFromMemoryBuffer(data, target.size()), hasSopInstanceUidChanged); } #if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1 else if (useDcmtk_) { return dcmtk_.TranscodeToParsed(dicom, buffer, size, allowedSyntaxes, allowNewSopInstanceUid); } #endif else { return NULL; } } }