128 lines
3.9 KiB
C++
128 lines
3.9 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 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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#pragma once
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#include "../Compatibility.h"
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#include "../Enumerations.h"
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#include <boost/noncopyable.hpp>
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#include <set>
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class DcmFileFormat;
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namespace Orthanc
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{
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class ParsedDicomFile;
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/**
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* WARNING: This class might be called from several threads at
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* once. Make sure to implement proper locking.
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**/
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class ORTHANC_PUBLIC IDicomTranscoder : public boost::noncopyable
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{
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public:
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class ORTHANC_PUBLIC DicomImage : public boost::noncopyable
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{
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private:
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std::unique_ptr<DcmFileFormat> parsed_;
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std::unique_ptr<std::string> buffer_;
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bool isExternalBuffer_;
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const void* externalBuffer_;
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size_t externalSize_;
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void Parse();
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void Serialize();
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DcmFileFormat* ReleaseParsed();
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public:
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DicomImage();
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void Clear();
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// Calling this method will invalidate the "ParsedDicomFile" object
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void AcquireParsed(ParsedDicomFile& parsed);
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void AcquireParsed(DcmFileFormat* parsed);
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void AcquireParsed(DicomImage& other);
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void AcquireBuffer(std::string& buffer /* will be swapped */);
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void AcquireBuffer(DicomImage& other);
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void SetExternalBuffer(const void* buffer,
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size_t size);
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void SetExternalBuffer(const std::string& buffer);
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DcmFileFormat& GetParsed();
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ParsedDicomFile* ReleaseAsParsedDicomFile();
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const void* GetBufferData();
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size_t GetBufferSize();
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};
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protected:
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enum TranscodingType
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{
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TranscodingType_Lossy,
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TranscodingType_Lossless,
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TranscodingType_Unknown
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};
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static TranscodingType GetTranscodingType(DicomTransferSyntax target,
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DicomTransferSyntax source);
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static void CheckTranscoding(DicomImage& transcoded,
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DicomTransferSyntax sourceSyntax,
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const std::string& sourceSopInstanceUid,
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const std::set<DicomTransferSyntax>& allowedSyntaxes,
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bool allowNewSopInstanceUid);
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public:
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virtual ~IDicomTranscoder()
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{
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}
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virtual bool Transcode(DicomImage& target,
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DicomImage& source /* in, "GetParsed()" possibly modified */,
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const std::set<DicomTransferSyntax>& allowedSyntaxes,
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bool allowNewSopInstanceUid) = 0;
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virtual bool Transcode(DicomImage& target,
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DicomImage& source /* in, "GetParsed()" possibly modified */,
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const std::set<DicomTransferSyntax>& allowedSyntaxes,
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bool allowNewSopInstanceUid,
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unsigned int lossyQuality) = 0;
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static std::string GetSopInstanceUid(DcmFileFormat& dicom);
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};
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}
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