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104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
19 years ago
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// ***************************************************************** -*- C++ -*-
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/*
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* Copyright (C) 2006 Andreas Huggel <ahuggel@gmx.net>
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*
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* This program is part of the Exiv2 distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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File: sigmamn2.cpp
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Version: $Rev$
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Author(s): Andreas Huggel (ahu) <ahuggel@gmx.net>
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History: 18-Apr-06, ahu: created
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*/
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// *****************************************************************************
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#include "rcsid.hpp"
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EXIV2_RCSID("@(#) $Id$");
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// *****************************************************************************
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// included header files
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#ifdef _MSC_VER
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# include "exv_msvc.h"
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#else
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# include "exv_conf.h"
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#endif
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#include "sigmamn2.hpp"
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#include "tiffcomposite.hpp"
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#include "types.hpp"
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// + standard includes
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// *****************************************************************************
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// class member definitions
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namespace Exiv2 {
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const byte SigmaMnHeader::signature1_[] = {
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'S', 'I', 'G', 'M', 'A', '\0', '\0', '\0', 0x01, 0x00
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};
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const byte SigmaMnHeader::signature2_[] = {
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'F', 'O', 'V', 'E', 'O', 'N', '\0', '\0', 0x01, 0x00
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};
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const uint32_t SigmaMnHeader::size_ = 10;
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SigmaMnHeader::SigmaMnHeader()
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{
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read(signature1_, size_, invalidByteOrder);
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}
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bool SigmaMnHeader::read(const byte* pData,
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uint32_t size,
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ByteOrder /*byteOrder*/)
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{
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assert (pData != 0);
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if (size < size_) return false;
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if ( 0 != memcmp(pData, signature1_, 8)
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&& 0 != memcmp(pData, signature2_, 8)) return false;
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buf_.alloc(size_);
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memcpy(buf_.pData_, pData, buf_.size_);
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start_ = size_;
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return true;
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} // SigmaMnHeader::read
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bool TiffSigmaMn::doReadHeader(const byte* pData,
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uint32_t size,
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ByteOrder byteOrder)
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{
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return header_.read(pData, size, byteOrder);
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}
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uint32_t TiffSigmaMn::doIfdOffset() const
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{
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return header_.ifdOffset();
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}
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// *************************************************************************
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// free functions
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TiffComponent* newSigmaMn(uint16_t tag,
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uint16_t group,
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uint16_t mnGroup,
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const byte* /*pData*/,
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uint32_t /*size*/,
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ByteOrder /*byteOrder*/)
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{
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return new TiffSigmaMn(tag, group, mnGroup);
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}
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} // namespace Exiv2
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