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exiv2/src/makernote_int.hpp

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C++

// ***************************************************************** -*- C++ -*-
/*
* Copyright (C) 2004-2010 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 makernote_int.hpp
@brief Makernote factory and registry, IFD makernote header, and camera
vendor specific makernote implementations.<BR>References:<BR>
[1] <a href="http://www.sno.phy.queensu.ca/~phil/exiftool/">ExifTool</a> by Phil Harvey<BR>
[2] <a href="http://www.cybercom.net/~dcoffin/dcraw/">Decoding raw digital photos in Linux</a> by Dave Coffin
@version $Rev$
@author Andreas Huggel (ahu)
<a href="mailto:ahuggel@gmx.net">ahuggel@gmx.net</a>
@date 11-Apr-06, ahu: created
*/
#ifndef MAKERNOTE_INT_HPP_
#define MAKERNOTE_INT_HPP_
// *****************************************************************************
// included header files
#include "tifffwd_int.hpp"
#include "tags_int.hpp"
#include "types.hpp"
// + standard includes
#include <string>
// *****************************************************************************
// namespace extensions
namespace Exiv2 {
namespace Internal {
// *****************************************************************************
// class definitions
//! Type for a pointer to a function creating a makernote (image)
typedef TiffComponent* (*NewMnFct)(uint16_t tag,
IfdId group,
IfdId mnGroup,
const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//! Type for a pointer to a function creating a makernote (group)
typedef TiffComponent* (*NewMnFct2)(uint16_t tag,
IfdId group,
IfdId mnGroup);
//! Makernote registry structure
struct TiffMnRegistry {
struct MakeKey;
/*!
@brief Compare a TiffMnRegistry structure with a key being the make
string from the image. The two are equal if
TiffMnRegistry::make_ equals a substring of the key of the
same size. E.g., registry = "OLYMPUS",
key = "OLYMPUS OPTICAL CO.,LTD" (found in the image) match.
*/
bool operator==(const std::string& key) const;
//! Compare a TiffMnRegistry structure with a makernote group
bool operator==(IfdId key) const;
// DATA
const char* make_; //!< Camera make
IfdId mnGroup_; //!< Group identifier
NewMnFct newMnFct_; //!< Makernote create function (image)
NewMnFct2 newMnFct2_; //!< Makernote create function (group)
};
/*!
@brief TIFF makernote factory for concrete TIFF makernotes.
*/
class TiffMnCreator {
public:
/*!
@brief Create the Makernote for camera \em make and details from
the makernote entry itself if needed. Return a pointer to
the newly created TIFF component. Set tag and group of the
new component to \em tag and \em group. This method is used
when a makernote is parsed from the Exif block.
@note Ownership for the component is transferred to the caller,
who is responsible to delete the component. No smart pointer
is used to indicate this transfer here in order to reduce
file dependencies.
*/
static TiffComponent* create(uint16_t tag,
IfdId group,
const std::string& make,
const byte* pData,
uint32_t size,
ByteOrder byteOrder);
/*!
@brief Create the Makernote for a given group. This method is used
when a makernote is written back from Exif tags.
*/
static TiffComponent* create(uint16_t tag,
IfdId group,
IfdId mnGroup);
protected:
//! Prevent destruction (needed if used as a policy class)
~TiffMnCreator() {}
private:
static const TiffMnRegistry registry_[]; //<! List of makernotes
}; // class TiffMnCreator
//! Makernote header interface. This class is used with TIFF makernotes.
class MnHeader {
public:
//! @name Creators
//@{
//! Virtual destructor.
virtual ~MnHeader();
//@}
//! @name Manipulators
//@{
//! Read the header from a data buffer, return true if ok
virtual bool read(const byte* pData,
uint32_t size,
ByteOrder byteOrder) =0;
/*!
@brief Set the byte order for the makernote.
*/
virtual void setByteOrder(ByteOrder byteOrder);
//@}
//! @name Accessors
//@{
//! Return the size of the header (in bytes).
virtual uint32_t size() const =0;
//! Write the header to a data buffer, return the number of bytes written.
virtual uint32_t write(IoWrapper& ioWrapper,
ByteOrder byteOrder) const =0;
/*!
@brief Return the offset to the start of the Makernote IFD from
the start of the Makernote (= the start of the header).
*/
virtual uint32_t ifdOffset() const;
/*!
@brief Return the byte order for the makernote. If the return value is
invalidByteOrder, this means that the byte order of the the
image should be used for the makernote.
*/
virtual ByteOrder byteOrder() const;
/*!
@brief Return the base offset for the makernote IFD entries relative
to the start of the TIFF header. \em mnOffset is the offset
to the makernote from the start of the TIFF header.
*/
virtual uint32_t baseOffset(uint32_t /*mnOffset*/) const;
//@}
}; // class MnHeader
//! Header of an Olympus Makernote
class OlympusMnHeader : public MnHeader {
public:
//! @name Creators
//@{
//! Default constructor
OlympusMnHeader();
//! Virtual destructor.
virtual ~OlympusMnHeader();
//@}
//! @name Manipulators
//@{
virtual bool read(const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//@}
//! @name Accessors
//@{
virtual uint32_t size() const;
virtual uint32_t write(IoWrapper& ioWrapper, ByteOrder byteOrder) const;
virtual uint32_t ifdOffset() const;
//@}
private:
DataBuf header_; //!< Data buffer for the makernote header
static const byte signature_[]; //!< Olympus makernote header signature
static const uint32_t size_; //!< Size of the signature
}; // class OlympusMnHeader
//! Header of an Olympus II Makernote
class Olympus2MnHeader : public MnHeader {
public:
//! @name Creators
//@{
//! Default constructor
Olympus2MnHeader();
//! Virtual destructor.
virtual ~Olympus2MnHeader();
//@}
//! @name Manipulators
//@{
virtual bool read(const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//@}
//! @name Accessors
//@{
virtual uint32_t size() const;
virtual uint32_t write(IoWrapper& ioWrapper, ByteOrder byteOrder) const;
virtual uint32_t ifdOffset() const;
virtual uint32_t baseOffset(uint32_t mnOffset) const;
//@}
private:
DataBuf header_; //!< Data buffer for the makernote header
static const byte signature_[]; //!< Olympus makernote header signature
static const uint32_t size_; //!< Size of the signature
}; // class Olympus2MnHeader
//! Header of a Fujifilm Makernote
class FujiMnHeader : public MnHeader {
public:
//! @name Creators
//@{
//! Default constructor
FujiMnHeader();
//! Virtual destructor.
virtual ~FujiMnHeader();
//@}
//! @name Manipulators
//@{
virtual bool read(const byte* pData,
uint32_t size,
ByteOrder byteOrder);
// setByteOrder not implemented
//@}
//! @name Accessors
//@{
virtual uint32_t size() const;
virtual uint32_t write(IoWrapper& ioWrapper, ByteOrder byteOrder) const;
virtual uint32_t ifdOffset() const;
virtual ByteOrder byteOrder() const;
virtual uint32_t baseOffset(uint32_t mnOffset) const;
//@}
private:
DataBuf header_; //!< Data buffer for the makernote header
static const byte signature_[]; //!< Fujifilm makernote header signature
static const uint32_t size_; //!< Size of the signature
static const ByteOrder byteOrder_; //!< Byteorder for makernote (always II)
uint32_t start_; //!< Start of the mn IFD rel. to mn start
}; // class FujiMnHeader
//! Header of a Nikon 2 Makernote
class Nikon2MnHeader : public MnHeader {
public:
//! @name Creators
//@{
//! Default constructor
Nikon2MnHeader();
//! Virtual destructor.
virtual ~Nikon2MnHeader();
//@}
//! @name Manipulators
//@{
virtual bool read(const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//@}
//! @name Accessors
//@{
virtual uint32_t size() const;
virtual uint32_t write(IoWrapper& ioWrapper, ByteOrder byteOrder) const;
virtual uint32_t ifdOffset() const;
//@}
private:
DataBuf buf_; //!< Raw header data
uint32_t start_; //!< Start of the mn IFD rel. to mn start
static const byte signature_[]; //!< Nikon 2 makernote header signature
static const uint32_t size_; //!< Size of the signature
}; // class Nikon2MnHeader
//! Header of a Nikon 3 Makernote
class Nikon3MnHeader : public MnHeader {
public:
//! @name Creators
//@{
//! Default constructor
Nikon3MnHeader();
//! Virtual destructor.
virtual ~Nikon3MnHeader();
//@}
//! @name Manipulators
//@{
virtual bool read(const byte* pData,
uint32_t size,
ByteOrder byteOrder);
virtual void setByteOrder(ByteOrder byteOrder);
//@}
//! @name Accessors
//@{
virtual uint32_t size() const;
virtual uint32_t write(IoWrapper& ioWrapper, ByteOrder byteOrder) const;
virtual uint32_t ifdOffset() const;
virtual ByteOrder byteOrder() const;
virtual uint32_t baseOffset(uint32_t mnOffset) const;
//@}
private:
DataBuf buf_; //!< Raw header data
ByteOrder byteOrder_; //!< Byteorder for makernote
uint32_t start_; //!< Start of the mn IFD rel. to mn start
static const byte signature_[]; //!< Nikon 3 makernote header signature
static const uint32_t size_; //!< Size of the signature
}; // class Nikon3MnHeader
//! Header of a Panasonic Makernote
class PanasonicMnHeader : public MnHeader {
public:
//! @name Creators
//@{
//! Default constructor
PanasonicMnHeader();
//! Virtual destructor.
virtual ~PanasonicMnHeader();
//@}
//! @name Manipulators
//@{
virtual bool read(const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//@}
//! @name Accessors
//@{
virtual uint32_t size() const;
virtual uint32_t write(IoWrapper& ioWrapper, ByteOrder byteOrder) const;
virtual uint32_t ifdOffset() const;
//@}
private:
DataBuf buf_; //!< Raw header data
uint32_t start_; //!< Start of the mn IFD rel. to mn start
static const byte signature_[]; //!< Panasonic makernote header signature
static const uint32_t size_; //!< Size of the signature
}; // class PanasonicMnHeader
//! Header of an Pentax Makernote
class PentaxMnHeader : public MnHeader {
public:
//! @name Creators
//@{
//! Default constructor
PentaxMnHeader();
//! Virtual destructor.
virtual ~PentaxMnHeader();
//@}
//! @name Manipulators
//@{
virtual bool read(const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//@}
//! @name Accessors
//@{
virtual uint32_t size() const;
virtual uint32_t write(IoWrapper& ioWrapper, ByteOrder byteOrder) const;
virtual uint32_t ifdOffset() const;
//@}
private:
DataBuf header_; //!< Data buffer for the makernote header
static const byte signature_[]; //!< Pentax makernote header signature
static const uint32_t size_; //!< Size of the signature
}; // class PentaxMnHeader
//! Header of a Sigma Makernote
class SigmaMnHeader : public MnHeader {
public:
//! @name Creators
//@{
//! Default constructor
SigmaMnHeader();
//! Virtual destructor.
virtual ~SigmaMnHeader();
//@}
//! @name Manipulators
//@{
virtual bool read(const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//@}
//! @name Accessors
//@{
virtual uint32_t size() const;
virtual uint32_t write(IoWrapper& ioWrapper, ByteOrder byteOrder) const;
virtual uint32_t ifdOffset() const;
//@}
private:
DataBuf buf_; //!< Raw header data
uint32_t start_; //!< Start of the mn IFD rel. to mn start
static const byte signature1_[]; //!< Sigma makernote header signature 1
static const byte signature2_[]; //!< Sigma makernote header signature 2
static const uint32_t size_; //!< Size of the signature
}; // class SigmaMnHeader
//! Header of a Sony Makernote
class SonyMnHeader : public MnHeader {
public:
//! @name Creators
//@{
//! Default constructor
SonyMnHeader();
//! Virtual destructor.
virtual ~SonyMnHeader();
//@}
//! @name Manipulators
//@{
virtual bool read(const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//@}
//! @name Accessors
//@{
virtual uint32_t size() const;
virtual uint32_t write(IoWrapper& ioWrapper, ByteOrder byteOrder) const;
virtual uint32_t ifdOffset() const;
//@}
private:
DataBuf buf_; //!< Raw header data
uint32_t start_; //!< Start of the mn IFD rel. to mn start
static const byte signature_[]; //!< Sony makernote header signature
static const uint32_t size_; //!< Size of the signature
}; // class SonyMnHeader
// *****************************************************************************
// template, inline and free functions
//! Function to create a simple IFD makernote (Canon, Minolta, Nikon1)
TiffComponent* newIfdMn(uint16_t tag,
IfdId group,
IfdId mnGroup,
const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//! Function to create a simple IFD makernote (Canon, Minolta, Nikon1)
TiffComponent* newIfdMn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
//! Function to create an Olympus makernote
TiffComponent* newOlympusMn(uint16_t tag,
IfdId group,
IfdId mnGroup,
const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//! Function to create an Olympus makernote
TiffComponent* newOlympusMn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
//! Function to create an Olympus II makernote
TiffComponent* newOlympus2Mn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
//! Function to create a Fujifilm makernote
TiffComponent* newFujiMn(uint16_t tag,
IfdId group,
IfdId mnGroup,
const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//! Function to create a Fujifilm makernote
TiffComponent* newFujiMn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
/*!
@brief Function to create a Nikon makernote. This will create the
appropriate Nikon 1, 2 or 3 makernote, based on the arguments.
*/
TiffComponent* newNikonMn(uint16_t tag,
IfdId group,
IfdId mnGroup,
const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//! Function to create a Nikon2 makernote
TiffComponent* newNikon2Mn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
//! Function to create a Nikon3 makernote
TiffComponent* newNikon3Mn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
//! Function to create a Panasonic makernote
TiffComponent* newPanasonicMn(uint16_t tag,
IfdId group,
IfdId mnGroup,
const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//! Function to create a Panasonic makernote
TiffComponent* newPanasonicMn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
//! Function to create an Pentax makernote
TiffComponent* newPentaxMn(uint16_t tag,
IfdId group,
IfdId mnGroup,
const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//! Function to create an Pentax makernote
TiffComponent* newPentaxMn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
//! Function to create a Sigma makernote
TiffComponent* newSigmaMn(uint16_t tag,
IfdId group,
IfdId mnGroup,
const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//! Function to create a Sigma makernote
TiffComponent* newSigmaMn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
//! Function to create a Sony makernote
TiffComponent* newSonyMn(uint16_t tag,
IfdId group,
IfdId mnGroup,
const byte* pData,
uint32_t size,
ByteOrder byteOrder);
//! Function to create a Sony1 makernote
TiffComponent* newSony1Mn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
//! Function to create a Sony2 makernote
TiffComponent* newSony2Mn2(uint16_t tag,
IfdId group,
IfdId mnGroup);
/*!
@brief Function to select cfg + def of the Sony Camera Settings complex binary array.
@param tag Tag number of the binary array
@param pData Pointer to the raw array data.
@param size Size of the array data.
@param pRoot Pointer to the root component of the TIFF tree.
@return An index into the array set, -1 if no match was found.
*/
int sonyCsSelector(uint16_t tag, const byte* pData, uint32_t size, TiffComponent* const pRoot);
/*!
@brief Function to select cfg + def of a Nikon complex binary array.
@param tag Tag number of the binary array
@param pData Pointer to the raw array data.
@param size Size of the array data.
@param pRoot Pointer to the root component of the TIFF tree.
@return An index into the array set, -1 if no match was found.
*/
int nikonSelector(uint16_t tag, const byte* pData, uint32_t size, TiffComponent* const pRoot);
/*!
@brief Encrypt and decrypt Nikon data.
Checks the version of the Nikon data array and en/decrypts (portions of) it as
needed. (The Nikon encryption algorithm is symmetric.)
@note This function requires access to other components of the composite, it
should only be called after all other components are read.
@param tag Tag number of the binary array
@param pData Pointer to the start of the data to en/decrypt.
@param size Size of the data buffer.
@param pRoot Pointer to the root element of the composite.
@return En/decrypted data. Ownership of the memory is passed to the caller.
The buffer may be empty in case no decryption was needed.
*/
DataBuf nikonCrypt(uint16_t tag, const byte* pData, uint32_t size, TiffComponent* const pRoot);
}} // namespace Internal, Exiv2
#endif // #ifndef MAKERNOTE_INT_HPP_