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// vim: set tabstop=4 shiftwidth=4 noexpandtab
/*
Gwenview - A simple image viewer for KDE
Copyright 2000-2004 Aur�lien G�teau
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DOCUMENTIMPL_H
#define DOCUMENTIMPL_H
// Qt
#include <qobject.h>
#include <qrect.h>
// Local
#include "document.h"
#include "imageutils/orientation.h"
namespace Gwenview {
class DocumentImpl : public QObject {
Q_OBJECT
public:
DocumentImpl(Document* document);
virtual ~DocumentImpl();
/**
* This method is called by Document::switchToImpl after it has connect
* signals to the object
*/
virtual void init();
void switchToImpl(DocumentImpl*);
void setImage(QImage);
void setMimeType(const QString&);
void setImageFormat(const QCString&);
void setFileSize(int) const;
/**
* Convenience method to emit rectUpdated with the whole image rect
*/
void emitImageRectUpdated();
virtual QString aperture() const;
virtual QString exposureTime() const;
virtual QString iso() const;
virtual QString focalLength() const;
virtual QString comment() const;
virtual Document::CommentState commentState() const;
virtual void setComment(const QString&);
virtual int duration() const;
virtual void transform(ImageUtils::Orientation);
virtual QString save(const KURL&, const QCString& format) const;
virtual MimeTypeUtils::Kind urlKind() const=0;
virtual bool canBeSaved() const=0;
signals:
void finished(bool success);
void sizeUpdated();
void rectUpdated(const QRect&);
protected:
Document* mDocument;
};
class DocumentEmptyImpl : public DocumentImpl {
public:
DocumentEmptyImpl(Document* document)
: DocumentImpl(document) {
setImage(QImage());
setImageFormat(0);
setMimeType("application/x-zerosize");
}
MimeTypeUtils::Kind urlKind() const {
return MimeTypeUtils::KIND_UNKNOWN;
}
bool canBeSaved() const {
return false;
}
};
} // namespace
#endif /* DOCUMENTIMPL_H */
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