exiv2/src/sonymn2.cpp

104 lines
3.2 KiB
C++

// ***************************************************************** -*- C++ -*-
/*
* Copyright (C) 2006 Andreas Huggel <ahuggel@gmx.net>
*
* This program is part of the Exiv2 distribution.
*
* 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., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
*/
/*
File: sonymn2.cpp
Version: $Rev$
Author(s): Andreas Huggel (ahu) <ahuggel@gmx.net>
History: 18-Apr-06, ahu: created
*/
// *****************************************************************************
#include "rcsid.hpp"
EXIV2_RCSID("@(#) $Id$");
// Define DEBUG to output debug information to std::cerr, e.g, by calling make
// like this: make DEFS=-DDEBUG makernote2.o
//#define DEBUG
// *****************************************************************************
// included header files
#ifdef _MSC_VER
# include "exv_msvc.h"
#else
# include "exv_conf.h"
#endif
#include "sonymn2.hpp"
#include "tiffcomposite.hpp"
#include "types.hpp"
// + standard includes
// *****************************************************************************
// class member definitions
namespace Exiv2 {
const byte SonyMnHeader::signature_[] = {
'S', 'O', 'N', 'Y', ' ', 'D', 'S', 'C', ' ', '\0', '\0', '\0'
};
const uint32_t SonyMnHeader::size_ = 12;
SonyMnHeader::SonyMnHeader()
{
read(signature_, size_, invalidByteOrder);
}
bool SonyMnHeader::read(const byte* pData,
uint32_t size,
ByteOrder /*byteOrder*/)
{
assert (pData != 0);
if (size < size_) return false;
if (0 != memcmp(pData, signature_, size_)) return false;
buf_.alloc(size_);
memcpy(buf_.pData_, pData, buf_.size_);
start_ = size_;
return true;
} // SonyMnHeader::read
bool TiffSonyMn::doReadHeader(const byte* pData,
uint32_t size,
ByteOrder byteOrder)
{
return header_.read(pData, size, byteOrder);
}
uint32_t TiffSonyMn::doIfdOffset() const
{
return header_.ifdOffset();
}
// *************************************************************************
// free functions
TiffComponent* newSonyMn(uint16_t tag,
uint16_t group,
uint16_t mnGroup,
const byte* /*pData*/,
uint32_t /*size*/,
ByteOrder /*byteOrder*/)
{
return new TiffSonyMn(tag, group, mnGroup);
}
} // namespace Exiv2