mlDMFileReader.h

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// Copyright (c) Fraunhofer MEVIS, Germany. All rights reserved.
// **InsertLicense** code
//----------------------------------------------------------------------------------
 
//----------------------------------------------------------------------------------
 
#pragma once
 
#include "MLDMFileReaderSystem.h"
 
#include <mlByteDataReader.h>
#include <mlDMFileReaderDefs.h>
#include <mlPagedImage.h>
#include <mlSubImage.h>
 
ML_START_NAMESPACE
 
//----------------------------------------------------------------------------------
//----------------------------------------------------------------------------------
class MLDMFileReader_EXPORT DMFileReader : public ByteDataReader {
  public:
  
    DMFileReader();
 
    DMFileReader(const std::string &fileName);
 
    ~DMFileReader() override;
 
    void open() override;
 
    void close() override;
 
    MLuint64          getDMIndexUWord(MLuint64 pos) const;
 
    MLuint64          getVersion() const;
    
    MLuint64          getFileSize() const;
 
    MLuint64          getImageFormatVersion() const;
    
    bool              isDM3() const;
    
    bool              isDM4() const;
 
    DMImagePtr        getImage() const;
 
    DMTagDirectory    &getTagMap();
 
    DMTagPtrVector    &getTags();
 
    DMTagDirectory    &getDataTagMap();
 
    DMTagPtrVector    &getDataTags();
 
    DMTagDirectory    &getGroupTagMap();
 
    DMTagPtrVector    &getGroupTags();
 
    size_t            getNumberOfImageStructures();
 
    SubImage          &getSubImage(size_t index);
 
    const PagedImage  &getPagedImage(size_t index);
    
    virtual std::string getAsString(const std::string &prefix="",
                                    const std::string &sep=", ",
                                    const size_t      maxNumBinaryEntries=8,
                                    const size_t      maxNumStringEntries=20) const override;
 
  private:
    
    friend class DMImage;
    friend class DMTag;
    
    void _selectImageDataStruct(size_t index);
 
    void _initializeSubImage(size_t index);
 
    MLuint64 _version;
    
    mutable DMTagDirectoryPtr _tagMap;
 
    mutable DMTagDirectoryPtr _groupTagMap;
 
    mutable DMTagDirectoryPtr _dataTagMap;
    
    mutable DMImagePtr _imagePtr;
 
    std::vector<DMImageDataStructPtr> _imgList;
    
    bool _imgListValid;
    
    MLuint64 _numberOfImageStructures;
 
    size_t _currentImageDataStructIndex;
    
    DMImageDataStructPtr _imageDataStructPtr;
    
    PagedImage _pagedImage;
    
    SubImage   _subImage;
    
  ML_CLASS_HEADER(DMFileReader);
};
 
MLDMFileReader_EXPORT std::ostream& operator<<(std::ostream& os, const DMFileReader &obj);
 
ML_END_NAMESPACE