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pgfimage.hpp
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1// ***************************************************************** -*- C++ -*-
2/*
3 * Copyright (C) 2004-2018 Exiv2 authors
4 * This program is part of the Exiv2 distribution.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
19 */
30#ifndef PGFIMAGE_HPP_
31#define PGFIMAGE_HPP_
32
33// *****************************************************************************
34#include "exiv2lib_export.h"
35
36// included header files
37#include "image.hpp"
38
39// *****************************************************************************
40// namespace extensions
41namespace Exiv2
42{
43
44// *****************************************************************************
45// class definitions
46
47 // Add PGF to the supported image formats
48 namespace ImageType
49 {
50 const int pgf = 17;
51 }
52
57 class EXIV2API PgfImage : public Image {
58 public:
60
61
76 PgfImage(BasicIo::AutoPtr io, bool create);
78
80
81 void readMetadata();
82 void writeMetadata();
84
86
87 std::string mimeType() const { return "image/pgf"; }
89
90 private:
91 bool bSwap_; // true for bigEndian hardware, else false
93
94
95 PgfImage(const PgfImage& rhs);
97 PgfImage& operator=(const PgfImage& rhs);
105 void doWriteMetadata(BasicIo& oIo);
107 byte readPgfMagicNumber(BasicIo& iIo);
109 uint32_t readPgfHeaderSize(BasicIo& iIo);
111 DataBuf readPgfHeaderStructure(BasicIo& iIo, int& width,int & height);
113
114 }; // class PgfImage
115
116// *****************************************************************************
117// template, inline and free functions
118
119 // These could be static private functions on Image subclasses but then
120 // ImageFactory needs to be made a friend.
126 EXIV2API Image::AutoPtr newPgfInstance(BasicIo::AutoPtr io, bool create);
127
129 EXIV2API bool isPgfType(BasicIo& iIo, bool advance);
130
131} // namespace Exiv2
132
133#endif // #ifndef PGFIMAGE_HPP_
An interface for simple binary IO.
Definition basicio.hpp:55
std::auto_ptr< BasicIo > AutoPtr
BasicIo auto_ptr type.
Definition basicio.hpp:58
Utility class containing a character array. All it does is to take care of memory allocation and dele...
Definition types.hpp:204
Abstract base class defining the interface for an image. This is the top-level interface to the Exiv2...
Definition image.hpp:81
std::auto_ptr< Image > AutoPtr
Image auto_ptr type.
Definition image.hpp:84
Class to access PGF images. Exif and IPTC metadata are supported directly.
Definition pgfimage.hpp:57
std::string mimeType() const
Return the MIME type of the image.
Definition pgfimage.hpp:87
const int pgf
PGF image type (see class PgfImage)
Definition pgfimage.hpp:50
Provides classes and functions to encode and decode Exif and Iptc data. The libexiv2 API consists of ...
Definition asfvideo.hpp:36
EXIV2API bool isPgfType(BasicIo &iIo, bool advance)
Check if the file iIo is a PGF image.
Definition pgfimage.cpp:333
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:323