// ***************************************************************** -*- C++ -*-
/*
* Copyright (C) 2004-2018 Exiv2 authors
* 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 rw2image.hpp
@brief Class Rw2Image
@author Andreas Huggel (ahu)
<a href="mailto:ahuggel@gmx.net">ahuggel@gmx.net</a>
@date 06-Jan-09, ahu: created
*/
#ifndef RW2IMAGE_HPP_
#define RW2IMAGE_HPP_
// *****************************************************************************
#include "exiv2lib_export.h"
// included header files
#include "image.hpp"
// *****************************************************************************
// namespace extensions
namespace Exiv2 {
// *****************************************************************************
// class definitions
// Add RW2 to the supported image formats
namespace ImageType {
const int rw2 = 16; //!< RW2 image type (see class Rw2Image)
}
/*!
@brief Class to access raw Panasonic RW2 images. Exif metadata is
supported directly, IPTC and XMP are read from the Exif data, if
present.
*/
class EXIV2API Rw2Image : public Image {
public:
//! @name Creators
//@{
/*!
@brief Constructor to open an existing RW2 image. Since the
constructor can not return a result, callers should check the
good() method after object construction to determine success or
failure.
@param io An auto-pointer that owns a BasicIo instance used for
reading and writing image metadata. \b Important: The constructor
takes ownership of the passed in BasicIo instance through the
auto-pointer. Callers should not continue to use the BasicIo
instance after it is passed to this method. Use the Image::io()
method to get a temporary reference.
*/
explicit Rw2Image(BasicIo::AutoPtr io);
//@}
//! @name Manipulators
//@{
void printStructure(std::ostream& out, PrintStructureOption option,int depth);
void readMetadata();
/*!
@brief Todo: Write metadata back to the image. This method is not
yet implemented. Calling it will throw an Error(kerWritingImageFormatUnsupported).
*/
void writeMetadata();
/*!
@brief Todo: Not supported yet, requires writeMetadata(). Calling
this function will throw an Error(kerInvalidSettingForImage).
*/
void setExifData(const ExifData& exifData);
/*!
@brief Todo: Not supported yet, requires writeMetadata(). Calling
this function will throw an Error(kerInvalidSettingForImage).
*/
void setIptcData(const IptcData& iptcData);
/*!
@brief Not supported. RW2 format does not contain a comment.
Calling this function will throw an Error(kerInvalidSettingForImage).
*/
void setComment(const std::string& comment);
//@}
//! @name Accessors
//@{
std::string mimeType() const;
int pixelWidth() const;
int pixelHeight() const;
//@}
private:
//! @name NOT implemented
//@{
//! Copy constructor
Rw2Image(const Rw2Image& rhs);
//! Assignment operator
Rw2Image& operator=(const Rw2Image& rhs);
//@}
}; // class Rw2Image
/*!
@brief Stateless parser class for data in RW2 format. Images use this
class to decode and encode RW2 data. Only decoding is currently
implemented. See class TiffParser for details.
*/
class EXIV2API Rw2Parser {
public:
/*!
@brief Decode metadata from a buffer \em pData of length \em size
with data in RW2 format to the provided metadata containers.
See TiffParser::decode().
*/
static ByteOrder decode(
ExifData& exifData,
IptcData& iptcData,
XmpData& xmpData,
const byte* pData,
uint32_t size
);
}; // class Rw2Parser
// *****************************************************************************
// template, inline and free functions
// These could be static private functions on Image subclasses but then
// ImageFactory needs to be made a friend.
/*!
@brief Create a new Rw2Image instance and return an auto-pointer to it.
Caller owns the returned object and the auto-pointer ensures that
it will be deleted.
*/
EXIV2API Image::AutoPtr newRw2Instance(BasicIo::AutoPtr io, bool create);
//! Check if the file iIo is a RW2 image.
EXIV2API bool isRw2Type(BasicIo& iIo, bool advance);
} // namespace Exiv2
#endif // #ifndef RW2IMAGE_HPP_