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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-24-01
* Description : auto levels image filter.
*
* Copyright (C) 2005-2012 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* 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 AUTOLEVELSFILTER_H
#define AUTOLEVELSFILTER_H
// Local includes
#include "digikam_export.h"
#include "dimgthreadedfilter.h"
#include "globals.h"
using namespace Digikam;
namespace Digikam
{
class DImg;
class DIGIKAM_EXPORT AutoLevelsFilter : public DImgThreadedFilter
{
public:
explicit AutoLevelsFilter(QObject* const parent = 0);
AutoLevelsFilter(DImg* const orgImage, const DImg* const refImage, QObject* const parent=0);
virtual ~AutoLevelsFilter();
static QString FilterIdentifier()
{
return "digikam:AutoLevelsFilter";
}
static QList<int> SupportedVersions()
{
return QList<int>() << 1;
}
static int CurrentVersion()
{
return 1;
}
static QString DisplayableName()
{
return I18N_NOOP("Auto Levels");
}
virtual QString filterIdentifier() const
{
return FilterIdentifier();
}
virtual FilterAction filterAction();
void readParameters(const FilterAction& action);
private:
void filterImage();
void autoLevelsCorrectionImage();
private:
DImg m_refImage;
};
} // namespace Digikam
#endif /* AUTOLEVELSFILTER_H */
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