curvescontainer.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2004-12-01
 * Description : image curves manipulation methods.
 *
 * Copyright (C) 2004-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 * Copyright (C) 2010-2012 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 *
 * 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 DIGIKAM_CURVES_CONTAINER_H
#define DIGIKAM_CURVES_CONTAINER_H
 
// Qt includes
 
#include <QPolygon>
#include <QString>
 
// Local includes
 
#include "digikam_globals.h"
#include "digikam_export.h"
 
namespace Digikam
{
 
class FilterAction;
 
class DIGIKAM_EXPORT CurvesContainer
{
 
public:
 
    CurvesContainer();
    CurvesContainer(int type, bool sixteenBit);
 
    void initialize();
 
    bool isEmpty()                                                                      const;
 
    bool operator==(const CurvesContainer& other)                                       const;
 
    bool isStoredLosslessly()                                                           const;
    void writeToFilterAction(FilterAction& action, const QString& prefix = QString())   const;
    static CurvesContainer fromFilterAction(const FilterAction& action, const QString& prefix = QString());
 
public:
 
    int                     curvesType;
    QPolygon                values[ColorChannels];
 
    bool                    sixteenBit;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_CURVES_CONTAINER_H