effectmngr_p.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2017-05-24
 * Description : video frame effects manager.
 *
 * Copyright (C) 2017-2022 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 DIGIKAM_EFFECT_MNGR_PRIVATE_H
#define DIGIKAM_EFFECT_MNGR_PRIVATE_H
 
// C++ includes
 
#include <cmath>
 
// Qt includes
 
#include <QPointF>
#include <QRect>
#include <QRectF>
#include <QImage>
 
// Local includes
 
#include "effectmngr.h"
#include "digikam_config.h"
#include "digikam_debug.h"
 
namespace Digikam
{
 
class Q_DECL_HIDDEN EffectMngr::Private
{
public:
 
    typedef int (EffectMngr::Private::*EffectMethod)(bool);
 
public:
 
    explicit Private()
      : eff_isRunning(false),
        eff_curEffect(EffectMngr::None),
        eff_step(0),
        eff_imgFrames(125)
    {
        registerEffects();
    }
 
    ~Private()
    {
    }
 
    QMap<EffectMngr::EffectType, EffectMethod>    eff_effectList;
 
    QImage                                        eff_image;
    QImage                                        eff_curFrame;
    QSize                                         eff_outSize;
 
    bool                                          eff_isRunning;
    EffectMngr::EffectType                        eff_curEffect;
 
    int                                           eff_step;
    int                                           eff_imgFrames;
 
public:
 
    void registerEffects();
 
    EffectMngr::EffectType getRandomEffect() const;
 
private:
 
    int effectNone(bool aInit);
    int effectRandom(bool aInit);
    int effectKenBurnsZoomIn(bool aInit);
    int effectKenBurnsZoomOut(bool aInit);
    int effectKenBurnsPanLR(bool aInit);
    int effectKenBurnsPanRL(bool aInit);
    int effectKenBurnsPanTB(bool aInit);
    int effectKenBurnsPanBT(bool aInit);
 
    void updateCurrentFrame(const QRectF& area);
};
 
} // namespace Digikam
 
#endif // DIGIKAM_EFFECT_MNGR_PRIVATE_H