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/*
------------------------------------------------------------------------------
MetaCam - Extract EXIF information from digital camera files, with
support for Vendor specific blocks.
Copyright (C) 2000 Daniel Stephens (daniel@cheeseplant.org)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
------------------------------------------------------------------------------
*/
#ifndef DATATIFF_H_INCLUDED
#define DATATIFF_H_INCLUDED
#include "metatiff.h"
#include <cstdlib>
class _DataIFD;
class _DataIFDEntry;
class _DataIFD : public _IFD {
private:
TIFFDataSource source;
unsigned long ofs;
unsigned short entry_count;
unsigned long next_ifd_ofs;
_DataIFDEntry **table;
_DataIFD(const _DataIFD &) { abort(); }
_DataIFD &operator=(const _DataIFD &) { abort(); return *this; }
public:
_DataIFD(const TIFFDataSource &src,
unsigned long o, unsigned long tagofs = 0) ;
~_DataIFD();
virtual unsigned short entries() const;
virtual IFD nextIFD() const;
virtual bool isDynamic() const;
virtual IFDEntry operator[](int n) const;
virtual IFDEntry findEntry(unsigned long tag, _IFDEntry *after=0) const;
virtual TIFFDataSource getSource() const;
virtual unsigned long getSourceOffset() const;
};
class _DataIFDEntry : public _IFDEntry {
private:
TIFFDataSource source;
unsigned long value_count;
unsigned long offset;
public:
_DataIFDEntry(const TIFFDataSource &src, long ofs,
long t, short typ, long vals);
virtual ~_DataIFDEntry();
virtual unsigned long values() const;
virtual void outputValue(ostream &os) const;
virtual vector<tiffUNSIGNED> getUVALUE() const;
virtual vector<tiffSIGNED> getSVALUE() const;
virtual vector<tiffRATIONAL> getRATIONAL() const;
virtual vector<tiffSRATIONAL> getSRATIONAL() const;
virtual vector<string> getSTRING() const;
virtual vector<unsigned char> getOPAQUE() const;
virtual TIFFDataSource getSource() const;
virtual unsigned long getSourceOffset() const;
};
#endif /* DATATIFF_H_INCLUDED */
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