pgfimage.hpp
// ***************************************************************** -*- C++ -*-
/*
* Copyright (C) 2004-2021 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.
*/
#ifndef PGFIMAGE_HPP_
#define PGFIMAGE_HPP_
// *****************************************************************************
#include "exiv2lib_export.h"
// included header files
#include "image.hpp"
// *****************************************************************************
// namespace extensions
namespace Exiv2
{
// *****************************************************************************
// class definitions
// Add PGF to the supported image formats
namespace ImageType
{
const int pgf = 17;
}
class EXIV2API PgfImage : public Image {
public:
PgfImage(BasicIo::AutoPtr io, bool create);
void readMetadata();
void writeMetadata();
std::string mimeType() const { return "image/pgf"; }
private:
bool bSwap_; // true for bigEndian hardware, else false
PgfImage(const PgfImage& rhs);
PgfImage& operator=(const PgfImage& rhs);
void doWriteMetadata(BasicIo& oIo);
byte readPgfMagicNumber(BasicIo& iIo);
uint32_t readPgfHeaderSize(BasicIo& iIo);
DataBuf readPgfHeaderStructure(BasicIo& iIo, int& width,int & height);
}; // class PgfImage
// *****************************************************************************
// template, inline and free functions
// These could be static private functions on Image subclasses but then
// ImageFactory needs to be made a friend.
EXIV2API Image::AutoPtr newPgfInstance(BasicIo::AutoPtr io, bool create);
EXIV2API bool isPgfType(BasicIo& iIo, bool advance);
} // namespace Exiv2
#endif // #ifndef PGFIMAGE_HPP_
Exiv2::BasicIo
An interface for simple binary IO.
Definition: basicio.hpp:55
Exiv2::BasicIo::AutoPtr
std::auto_ptr< BasicIo > AutoPtr
BasicIo auto_ptr type.
Definition: basicio.hpp:58
Exiv2::DataBuf
Utility class containing a character array. All it does is to take care of memory allocation and dele...
Definition: types.hpp:193
Exiv2::Image
Abstract base class defining the interface for an image. This is the top-level interface to the Exiv2...
Definition: image.hpp:78
Exiv2::Image::AutoPtr
std::auto_ptr< Image > AutoPtr
Image auto_ptr type.
Definition: image.hpp:81
Exiv2::PgfImage
Class to access PGF images. Exif and IPTC metadata are supported directly.
Definition: pgfimage.hpp:47
Exiv2::PgfImage::mimeType
std::string mimeType() const
Return the MIME type of the image.
Definition: pgfimage.hpp:77
Exiv2::ImageType::pgf
const int pgf
PGF image type (see class PgfImage)
Definition: pgfimage.hpp:40
Exiv2
Provides classes and functions to encode and decode Exif and Iptc data. The libexiv2 API consists of ...
Definition: asfvideo.hpp:36
Exiv2::isPgfType
EXIV2API bool isPgfType(BasicIo &iIo, bool advance)
Check if the file iIo is a PGF image.
Definition: pgfimage.cpp:327
Exiv2::newPgfInstance
EXIV2API Image::AutoPtr newPgfInstance(BasicIo::AutoPtr io, bool create)
Create a new PgfImage instance and return an auto-pointer to it. Caller owns the returned object and ...
Definition: pgfimage.cpp:317