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/*
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Gwenview - A simple image viewer for TDE
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Copyright 2000-2004 Aur<75>lien G<>teau
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef DOCUMENTIMPL_H
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#define DOCUMENTIMPL_H
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// TQt
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#include <tqobject.h>
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#include <tqrect.h>
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// Local
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#include "document.h"
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#include "imageutils/orientation.h"
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namespace Gwenview {
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class DocumentImpl : public TQObject {
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TQ_OBJECT
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public:
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DocumentImpl(Document* document);
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virtual ~DocumentImpl();
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/**
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* This method is called by Document::switchToImpl after it has connect
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* signals to the object
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*/
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virtual void init();
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void switchToImpl(DocumentImpl*);
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void setImage(TQImage);
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void setMimeType(const TQString&);
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void setImageFormat(const TQCString&);
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void setFileSize(int) const;
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/**
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* Convenience method to emit rectUpdated with the whole image rect
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*/
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void emitImageRectUpdated();
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virtual TQString aperture() const;
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virtual TQString exposureTime() const;
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virtual TQString iso() const;
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virtual TQString focalLength() const;
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virtual TQString comment() const;
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virtual Document::CommentState commentState() const;
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virtual void setComment(const TQString&);
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virtual int duration() const;
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virtual void transform(ImageUtils::Orientation);
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virtual TQString save(const KURL&, const TQCString& format) const;
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virtual MimeTypeUtils::Kind urlKind() const=0;
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virtual bool canBeSaved() const=0;
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signals:
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void finished(bool success);
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void sizeUpdated();
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void rectUpdated(const TQRect&);
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protected:
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Document* mDocument;
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};
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class DocumentEmptyImpl : public DocumentImpl {
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public:
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DocumentEmptyImpl(Document* document)
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: DocumentImpl(document) {
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setImage(TQImage());
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setImageFormat(0);
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setMimeType("application/x-zerosize");
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}
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MimeTypeUtils::Kind urlKind() const {
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return MimeTypeUtils::KIND_UNKNOWN;
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}
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bool canBeSaved() const {
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return false;
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}
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};
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} // namespace
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#endif /* DOCUMENTIMPL_H */
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