// ***************************************************************** -*- 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 tgaimage.hpp
@brief Truevision TARGA v2 image, implemented using the following references:
<a href="http://en.wikipedia.org/wiki/Truevision_TGA">Truevision TGA page on Wikipedia</a><br>
<a href="http://www.gamers.org/dEngine/quake3/TGA.ps.gz">TGA(tm) File Format Specification</a>
@author Marco Piovanelli, Ovolab (marco)
<a href="mailto:marco.piovanelli@pobox.com">marco.piovanelli@pobox.com</a>
@date 05-Mar-2007, marco: created
*/
#ifndef TGAIMAGE_HPP_
#define TGAIMAGE_HPP_
// *****************************************************************************
#include "exiv2lib_export.h"
// included header files
#include "image.hpp"
// *****************************************************************************
// namespace extensions
namespace Exiv2 {
// *****************************************************************************
// class definitions
// Add TARGA to the supported image formats
namespace ImageType {
const int tga = 13; //!< Truevision TARGA (tga) image type (see class TgaImage)
}
/*!
@brief Class to access raw TARGA images. This is just a stub - we only
read width and height.
*/
class EXIV2API TgaImage : public Image {
//! @name NOT Implemented
//@{
//! Copy constructor
TgaImage(const TgaImage& rhs);
//! Assignment operator
TgaImage& operator=(const TgaImage& rhs);
//@}
public:
//! @name Creators
//@{
/*!
@brief Constructor to open a Targa 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 TgaImage(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(kerWritingImageFormatUnsupported).
*/
void writeMetadata();
/*!
@brief Todo: Not supported yet(?). Calling this function will throw
an instance of Error(kerInvalidSettingForImage).
*/
void setExifData(const ExifData& exifData);
/*!
@brief Todo: Not supported yet(?). Calling this function will throw
an instance of Error(kerInvalidSettingForImage).
*/
void setIptcData(const IptcData& iptcData);
/*!
@brief Not supported. Calling this function will throw an instance
of Error(kerInvalidSettingForImage).
*/
void setComment(const std::string& comment);
//@}
//! @name Accessors
//@{
std::string mimeType() const;
//@}
}; // class TgaImage
// *****************************************************************************
// 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 TgaImage 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 newTgaInstance(BasicIo::AutoPtr io, bool create);
//! Check if the file iIo is a Targa v2 image.
EXIV2API bool isTgaType(BasicIo& iIo, bool advance);
} // namespace Exiv2
#endif // #ifndef TGAIMAGE_HPP_