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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-02-06
* Description : undo actions manager for image editor.
*
* Copyright (C) 2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
* Copyright (C) 2005 by Joern Ahrens <joern.ahrens@kdemail.net>
*
* 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, 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.
*
* ============================================================ */
#ifndef UNDOACTION_H
#define UNDOACTION_H
// KDE includes.
#include <tdelocale.h>
// Local includes.
#include "digikam_export.h"
namespace Digikam
{
class DImgInterface;
class DIGIKAM_EXPORT UndoAction
{
public:
UndoAction(DImgInterface* iface);
virtual ~UndoAction();
virtual void rollBack() = 0;
virtual void execute() = 0;
TQString getTitle() const;
protected:
DImgInterface *m_iface;
TQString m_title;
};
class DIGIKAM_EXPORT UndoActionRotate : public UndoAction
{
public:
enum Angle
{
R90,
R180,
R270
};
UndoActionRotate(DImgInterface* iface, Angle angle);
~UndoActionRotate();
void rollBack();
void execute();
private:
int m_angle;
};
class DIGIKAM_EXPORT UndoActionFlip : public UndoAction
{
public:
enum Direction
{
Horizontal,
Vertical
};
UndoActionFlip(DImgInterface* iface, Direction dir);
~UndoActionFlip();
void rollBack();
void execute();
private:
int m_dir;
};
class DIGIKAM_EXPORT UndoActionBCG : public UndoAction
{
public:
UndoActionBCG(DImgInterface* iface,
double oldGamma, double oldBrightness,
double oldContrast, double newGamma,
double newBrightness, double newContrast);
~UndoActionBCG();
void rollBack();
void execute();
private:
double m_oldGamma;
double m_oldBrightness;
double m_oldContrast;
double m_newGamma;
double m_newBrightness;
double m_newContrast;
};
class DIGIKAM_EXPORT UndoActionIrreversible : public UndoAction
{
public:
UndoActionIrreversible(DImgInterface* iface,
const TQString &caller=i18n("Unknown"));
~UndoActionIrreversible();
void rollBack();
void execute();
};
} // namespace Digikam
#endif /* UNDOACTION_H */
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