TIFF parser checkpoint (experimental): Added Canon makernote. Uses a Canon TIFF component factory when the makernote is parsed. Added TiffArrayEntry and TiffArrayElement components.
Andreas Huggel
19 years ago
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0fa2d525fc
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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: canonmn2.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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// Define DEBUG to output debug information to std::cerr, e.g, by calling make
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// like this: make DEFS=-DDEBUG makernote2.o
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//#define DEBUG
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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 "canonmn2.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 TiffStructure TiffCanonCreator::tiffStructure_[] = {
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// ext. tag group create function new group
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//--------- -------------- ------------------- --------------
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{ 0x0001, Group::canonmn, newTiffArrayEntry, Group::canoncs },
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{ 0x0004, Group::canonmn, newTiffArrayEntry, Group::canonsi },
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{ 0x000f, Group::canonmn, newTiffArrayEntry, Group::canoncf },
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{ Tag::all, Group::canoncs, newTiffArrayElement, Group::canoncs },
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{ Tag::all, Group::canonsi, newTiffArrayElement, Group::canonsi },
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{ Tag::all, Group::canoncf, newTiffArrayElement, Group::canoncf }
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};
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TiffComponent::AutoPtr TiffCanonCreator::create(uint32_t extendedTag,
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uint16_t group)
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{
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const TiffStructure* ts = find(tiffStructure_,
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TiffStructure::Key(extendedTag, group));
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TiffComponent::AutoPtr tc(0);
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uint16_t tag = static_cast<uint16_t>(extendedTag & 0xffff);
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if (ts && ts->newTiffCompFct_) {
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tc = ts->newTiffCompFct_(tag, ts);
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}
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if (!ts) {
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tc = TiffComponent::AutoPtr(new TiffEntry(tag, group));
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}
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return tc;
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} // TiffCanonCreator::create
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TiffRwState::AutoPtr TiffCanonMn::doGetState(uint32_t /*mnOffset*/,
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ByteOrder byteOrder) const
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{
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// Byteorder: No change
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// Offsets : No change (relative to the start of the TIFF header)
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// Creator : Canon TIFF component factory
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return TiffRwState::AutoPtr(
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new TiffRwState(byteOrder, 0, TiffCanonCreator::create));
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}
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// *************************************************************************
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// free functions
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TiffComponent* newCanonMn(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 TiffCanonMn(tag, group, mnGroup);
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}
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} // namespace Exiv2
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@ -0,0 +1,109 @@
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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 canonmn2.hpp
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@brief TIFF Canon makernote
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@version $Rev$
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@author Andreas Huggel (ahu)
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<a href="mailto:ahuggel@gmx.net">ahuggel@gmx.net</a>
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@date 18-Apr-06, ahu: created
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*/
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#ifndef CANONMN2_HPP_
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#define CANONMN2_HPP_
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// *****************************************************************************
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// included header files
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#include "makernote2.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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// namespace extensions
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namespace Exiv2 {
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// *****************************************************************************
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// class definitions
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namespace Group {
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const uint16_t canonmn = 259; //!< Canon makernote
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const uint16_t canoncs = 260; //!< Canon camera settings
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const uint16_t canonsi = 261; //!< Canon shot info
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const uint16_t canoncf = 262; //!< Canon customer functions
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}
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/*!
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@brief Canon Makernote
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*/
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class TiffCanonMn : public TiffIfdMakernote {
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public:
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//! @name Creators
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//@{
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//! Default constructor
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TiffCanonMn(uint16_t tag, uint16_t group, uint16_t mnGroup)
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: TiffIfdMakernote(tag, group, mnGroup) {}
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//! Virtual destructor
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virtual ~TiffCanonMn() {}
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//@}
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private:
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//! @name Accessors
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//@{
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virtual TiffRwState::AutoPtr doGetState(uint32_t mnOffset,
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ByteOrder byteOrder) const;
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//@}
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}; // class TiffCanonMn
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/*!
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@brief TIFF component factory for Canon TIFF components.
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*/
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class TiffCanonCreator {
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public:
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/*!
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@brief Create the TiffComponent for TIFF entry \em extendedTag and
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\em group based on the embedded lookup table.
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If a tag and group combination is not found in the table, a TiffEntry
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is created. If the pointer that is returned is 0, then the TIFF entry
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should be ignored.
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*/
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static TiffComponent::AutoPtr create(uint32_t extendedTag,
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uint16_t group);
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private:
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static const TiffStructure tiffStructure_[]; //<! TIFF structure
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}; // class TiffCanonCreator
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// *****************************************************************************
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// template, inline and free functions
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//! Function to create a Canon makernote
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TiffComponent* newCanonMn(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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} // namespace Exiv2
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#endif // #ifndef CANONMN2_HPP_
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