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145 lines
2.7 KiB
145 lines
2.7 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2005-02-06
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* Description : undo actions manager for image editor.
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*
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* Copyright (C) 2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
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* Copyright (C) 2005 by Joern Ahrens <joern.ahrens@kdemail.net>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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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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*
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* ============================================================ */
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#ifndef UNDOACTION_H
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#define UNDOACTION_H
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// KDE includes.
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#include <tdelocale.h>
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// Local includes.
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#include "digikam_export.h"
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namespace Digikam
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{
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class DImgInterface;
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class DIGIKAM_EXPORT UndoAction
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{
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public:
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UndoAction(DImgInterface* iface);
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virtual ~UndoAction();
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virtual void rollBack() = 0;
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virtual void execute() = 0;
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TQString getTitle() const;
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protected:
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DImgInterface *m_iface;
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TQString m_title;
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};
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class DIGIKAM_EXPORT UndoActionRotate : public UndoAction
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{
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public:
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enum Angle
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{
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R90,
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R180,
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R270
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};
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UndoActionRotate(DImgInterface* iface, Angle angle);
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~UndoActionRotate();
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void rollBack();
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void execute();
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private:
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int m_angle;
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};
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class DIGIKAM_EXPORT UndoActionFlip : public UndoAction
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{
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public:
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enum Direction
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{
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Horizontal,
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Vertical
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};
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UndoActionFlip(DImgInterface* iface, Direction dir);
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~UndoActionFlip();
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void rollBack();
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void execute();
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private:
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int m_dir;
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};
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class DIGIKAM_EXPORT UndoActionBCG : public UndoAction
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{
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public:
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UndoActionBCG(DImgInterface* iface,
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double oldGamma, double oldBrightness,
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double oldContrast, double newGamma,
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double newBrightness, double newContrast);
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~UndoActionBCG();
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void rollBack();
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void execute();
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private:
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double m_oldGamma;
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double m_oldBrightness;
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double m_oldContrast;
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double m_newGamma;
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double m_newBrightness;
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double m_newContrast;
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};
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class DIGIKAM_EXPORT UndoActionIrreversible : public UndoAction
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{
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public:
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UndoActionIrreversible(DImgInterface* iface,
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const TQString &caller=i18n("Unknown"));
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~UndoActionIrreversible();
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void rollBack();
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void execute();
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};
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} // namespace Digikam
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#endif /* UNDOACTION_H */
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