kde-extraapps/gwenview/lib/jpegcontent.h

92 lines
2.2 KiB
C++

// vim: set tabstop=4 shiftwidth=4 expandtab
/*
Gwenview: an image viewer
Copyright 2007 Aurélien Gâteau <agateau@kde.org>
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, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef JPEGCONTENT_H
#define JPEGCONTENT_H
// Local
#include <lib/orientation.h>
#include <lib/gwenviewlib_export.h>
class QImage;
class QSize;
class QString;
class QIODevice;
namespace Exiv2
{
class Image;
}
namespace Gwenview
{
class GWENVIEWLIB_EXPORT JpegContent
{
public:
JpegContent();
~JpegContent();
Orientation orientation() const;
void resetOrientation();
int dotsPerMeterX() const;
int dotsPerMeterY() const;
QSize size() const;
QString comment() const;
void setComment(const QString&);
void transform(Orientation);
QImage thumbnail() const;
void setThumbnail(const QImage&);
// Recreate raw data to represent image
// Note: thumbnail must be updated separately
void setImage(const QImage& image);
bool load(const QString& file);
bool loadFromData(const QByteArray& rawData);
/**
* Use this version of loadFromData if you already have an Exiv2::Image*
*/
bool loadFromData(const QByteArray& rawData, Exiv2::Image*);
bool save(const QString& file);
bool save(QIODevice*);
QByteArray rawData() const;
QString errorString() const;
private:
struct Private;
Private *d;
JpegContent(const JpegContent&);
void operator=(const JpegContent&);
void applyPendingTransformation();
int dotsPerMeter(const QString& keyName) const;
};
} // namespace
#endif /* JPEGCONTENT_H */