File indexing completed on 2024-04-28 04:18:50

0001 // vim: set tabstop=4 shiftwidth=4 expandtab:
0002 /*
0003 Gwenview: an image viewer
0004 Copyright 2007 Aurélien Gâteau <agateau@kde.org>
0005 
0006 This program is free software; you can redistribute it and/or
0007 modify it under the terms of the GNU General Public License
0008 as published by the Free Software Foundation; either version 2
0009 of the License, or (at your option) any later version.
0010 
0011 This program is distributed in the hope that it will be useful,
0012 but WITHOUT ANY WARRANTY; without even the implied warranty of
0013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0014 GNU General Public License for more details.
0015 
0016 You should have received a copy of the GNU General Public License
0017 along with this program; if not, write to the Free Software
0018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
0019 
0020 */
0021 #ifndef EXIV2IMAGELOADER_H
0022 #define EXIV2IMAGELOADER_H
0023 
0024 #include <lib/gwenviewlib_export.h>
0025 
0026 // STL
0027 #include <memory>
0028 
0029 // Qt
0030 
0031 // KF
0032 
0033 // Exiv2
0034 namespace Exiv2
0035 {
0036 class Image;
0037 }
0038 
0039 // Local
0040 
0041 class QByteArray;
0042 class QString;
0043 
0044 namespace Gwenview
0045 {
0046 struct Exiv2ImageLoaderPrivate;
0047 
0048 /**
0049  * This helper class loads image using libexiv2, and takes care of exception
0050  * handling for the different versions of libexiv2.
0051  */
0052 class GWENVIEWLIB_EXPORT Exiv2ImageLoader
0053 {
0054 public:
0055     Exiv2ImageLoader();
0056     ~Exiv2ImageLoader();
0057 
0058     bool load(const QString &);
0059     bool load(const QByteArray &);
0060     QString errorMessage() const;
0061     std::unique_ptr<Exiv2::Image> popImage();
0062 
0063 private:
0064     Exiv2ImageLoaderPrivate *const d;
0065 };
0066 
0067 } // namespace
0068 
0069 #endif /* EXIV2IMAGELOADER_H */