FilterReader.h

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//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2025 by Apryse Software Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.
//---------------------------------------------------------------------------------------
#ifndef PDFTRON_H_CPPFiltersFilterReader
#define PDFTRON_H_CPPFiltersFilterReader
 
#include <C/Filters/TRN_FilterReader.h>
#include <Common/Common.h>
#include <Filters/Filter.h>
 
#include <vector>
 
namespace pdftron { 
    namespace Filters {
        

class FilterReader
{
public:
 
     FilterReader ();
     FilterReader (Filter& filter);
     ~FilterReader ();

     int Get();

     int Peek();

     std::vector<unsigned char> Read(size_t buf_size);
 
#ifndef SWIG
     size_t Read(UChar* buf, size_t buf_size);
#endif

     void AttachFilter(Filter& filter);

     Filter GetAttachedFilter();

     void Seek(ptrdiff_t offset, Filter::ReferencePos origin);

     ptrdiff_t Tell ();

     size_t Count ();

     void Flush ();

     void FlushAll ();
 
//private:
// @cond PRIVATE_DOC
#ifndef SWIGHIDDEN
    TRN_FilterReader m_impl;
#endif
// @endcond
};
 
 
#include <Impl/FilterReader.inl>
 
    };  // namespace Filters
};  // namespace pdftron
 
 
#endif // PDFTRON_H_CPPFiltersFilterReader