/usr/include/exiv2/gifimage.hpp is in libexiv2-dev 0.22-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Copyright (C) 2004-2011 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 gifimage.hpp
@brief GIF image, implemented using the following references:
<a href="http://www.w3.org/Graphics/GIF/spec-gif89a.txt">GIF89 specification</a> by W3C<br>
@version $Rev: 2453 $
@author Marco Piovanelli, Ovolab (marco)
<a href="mailto:marco.piovanelli@pobox.com">marco.piovanelli@pobox.com</a>
@date 26-Feb-2007, marco: created
*/
#ifndef GIFIMAGE_HPP_
#define GIFIMAGE_HPP_
// *****************************************************************************
// included header files
#include "exif.hpp"
#include "iptc.hpp"
#include "image.hpp"
#include "types.hpp"
// + standard includes
#include <string>
// *****************************************************************************
// namespace extensions
namespace Exiv2 {
// *****************************************************************************
// class definitions
// Add GIF to the supported image formats
namespace ImageType {
const int gif = 11; //!< GIF image type (see class GifImage)
}
/*!
@brief Class to access raw GIF images. Exif/IPTC metadata are supported
directly.
*/
class EXIV2API GifImage : public Image {
//! @name NOT Implemented
//@{
//! Copy constructor
GifImage(const GifImage& rhs);
//! Assignment operator
GifImage& operator=(const GifImage& rhs);
//@}
public:
//! @name Creators
//@{
/*!
@brief Constructor to open a GIF 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.
*/
GifImage(BasicIo::AutoPtr io);
//@}
//! @name Manipulators
//@{
void readMetadata();
/*!
@brief Todo: Write metadata back to the image. This method is not
yet(?) implemented. Calling it will throw an Error(31).
*/
void writeMetadata();
/*!
@brief Todo: Not supported yet(?). Calling this function will throw
an instance of Error(32).
*/
void setExifData(const ExifData& exifData);
/*!
@brief Todo: Not supported yet(?). Calling this function will throw
an instance of Error(32).
*/
void setIptcData(const IptcData& iptcData);
/*!
@brief Not supported. Calling this function will throw an instance
of Error(32).
*/
void setComment(const std::string& comment);
//@}
//! @name Accessors
//@{
std::string mimeType() const;
//@}
}; // class GifImage
// *****************************************************************************
// 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 GifImage 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 newGifInstance(BasicIo::AutoPtr io, bool create);
//! Check if the file iIo is a GIF image.
EXIV2API bool isGifType(BasicIo& iIo, bool advance);
} // namespace Exiv2
#endif // #ifndef GIFIMAGE_HPP_
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