ElementWriter.h

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//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2023 by Apryse Software Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.    
//---------------------------------------------------------------------------------------
#ifndef PDFTRON_H_CPPPDFElementWriter
#define PDFTRON_H_CPPPDFElementWriter

#include <PDF/Page.h>
#include <PDF/Element.h>
#include <Common/Matrix2D.h>
#include <C/PDF/TRN_ElementWriter.h>
#include <PDF/ElementReader.h>

namespace pdftron { 
    namespace PDF {


class ElementWriter
{
public:

     ElementWriter();
     ~ElementWriter();


    enum WriteMode 
    {
        e_underlay,    
        e_overlay,     
        e_replacement  
    };

    void Begin( Page& page, WriteMode placement = e_overlay, bool page_coord_sys = true, bool compress = true, SDF::Obj resources = 0);

     void Begin(SDF::SDFDoc& doc, bool compress = true);


    void Begin(SDF::Obj stream_obj_to_update, bool compress = true, SDF::Obj resources = 0);

     SDF::Obj End();

     void WriteElement(Element element);

     void WritePlacedElement(Element element);

     void Flush(); 

     void WriteBuffer(std::vector<unsigned char> data);

#ifndef SWIG
     void WriteBuffer(const char* data, int data_sz);
#endif

     void WriteString(const char* str);

     void WriteGStateChanges(Element element);

     void SetDefaultGState(ElementReader& reader);
    
     void Destroy();

// @cond PRIVATE_DOC
#ifndef SWIGHIDDEN
    TRN_ElementWriter mp_writer;
     ElementWriter(TRN_ElementWriter impl);
#endif
private:
    // ElementWriter should not be copied
    ElementWriter(const ElementWriter& other);
    ElementWriter& operator= (const ElementWriter&);
// @endcond



};


#include <Impl/ElementWriter.inl>

    };  // namespace PDF
};  // namespace pdftron

#endif // PDFTRON_H_CPPPDFElementWriter