109 lines
3.6 KiB
C++
109 lines
3.6 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 Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program. If not, see
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* <http://www.gnu.org/licenses/>.
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**/
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#include "../PrecompiledHeaders.h"
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#include "MemoryBufferTranscoder.h"
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#include "../Logging.h"
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#include "../OrthancException.h"
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#include "FromDcmtkBridge.h"
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#if !defined(NDEBUG) // For debugging
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# include "ParsedDicomFile.h"
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#endif
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namespace Orthanc
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{
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static void CheckTargetSyntax(const std::string& transcoded,
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const std::set<DicomTransferSyntax>& allowedSyntaxes)
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{
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#if !defined(NDEBUG)
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// Debug mode
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ParsedDicomFile parsed(transcoded);
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DicomTransferSyntax a, b;
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if (!const_cast<const ParsedDicomFile&>(parsed).LookupTransferSyntax(b) ||
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!FromDcmtkBridge::LookupOrthancTransferSyntax(a, parsed.GetDcmtkObject()) ||
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a != b ||
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allowedSyntaxes.find(a) == allowedSyntaxes.end())
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{
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throw OrthancException(
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ErrorCode_Plugin,
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"DEBUG - The transcoding plugin has not written to one of the allowed transfer syntaxes");
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}
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#endif
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}
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bool MemoryBufferTranscoder::Transcode(DicomImage& target,
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DicomImage& source,
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const std::set<DicomTransferSyntax>& allowedSyntaxes,
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bool allowNewSopInstanceUid,
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unsigned int lossyQualityNotUsed)
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{
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return Transcode(target, source, allowedSyntaxes, allowNewSopInstanceUid);
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}
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bool MemoryBufferTranscoder::Transcode(DicomImage& target,
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DicomImage& source,
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const std::set<DicomTransferSyntax>& allowedSyntaxes,
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bool allowNewSopInstanceUid)
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{
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target.Clear();
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#if !defined(NDEBUG)
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// Don't run this code in release mode, as it implies parsing the DICOM file
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DicomTransferSyntax sourceSyntax;
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if (!FromDcmtkBridge::LookupOrthancTransferSyntax(sourceSyntax, source.GetParsed()))
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{
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LOG(ERROR) << "Unsupport transfer syntax for transcoding";
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return false;
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}
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const std::string sourceSopInstanceUid = GetSopInstanceUid(source.GetParsed());
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#endif
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std::string buffer;
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if (TranscodeBuffer(buffer, source.GetBufferData(), source.GetBufferSize(),
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allowedSyntaxes, allowNewSopInstanceUid))
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{
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CheckTargetSyntax(buffer, allowedSyntaxes); // For debug only
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target.AcquireBuffer(buffer);
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#if !defined(NDEBUG)
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// Only run the sanity check in debug mode
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CheckTranscoding(target, sourceSyntax, sourceSopInstanceUid,
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allowedSyntaxes, allowNewSopInstanceUid);
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#endif
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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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}
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