File indexing completed on 2025-01-05 03:57:24 

0001 /* ============================================================
0002  *
0003  * This file is a part of digiKam project
0004  * https://www.digikam.org
0005  *
0006  * Date        : 2017-05-24
0007  * Description : video frame effects manager.
0008  *
0009  * SPDX-FileCopyrightText: 2017-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
0010  *
0011  * SPDX-License-Identifier: GPL-2.0-or-later
0012  *
0013  * ============================================================ */
0014 
0015 #include "effectmngr_p.h"
0016 
0017 // Qt includes
0018 
0019 #include <QRandomGenerator>
0020 
0021 namespace Digikam
0022 {
0023 
0024 void EffectMngr::Private::registerEffects()
0025 {
0026     eff_effectList.insert(EffectMngr::None,            &EffectMngr::Private::effectNone);
0027     eff_effectList.insert(EffectMngr::KenBurnsZoomIn,  &EffectMngr::Private::effectKenBurnsZoomIn);
0028     eff_effectList.insert(EffectMngr::KenBurnsZoomOut, &EffectMngr::Private::effectKenBurnsZoomOut);
0029     eff_effectList.insert(EffectMngr::KenBurnsPanLR,   &EffectMngr::Private::effectKenBurnsPanLR);
0030     eff_effectList.insert(EffectMngr::KenBurnsPanRL,   &EffectMngr::Private::effectKenBurnsPanRL);
0031     eff_effectList.insert(EffectMngr::KenBurnsPanTB,   &EffectMngr::Private::effectKenBurnsPanTB);
0032     eff_effectList.insert(EffectMngr::KenBurnsPanBT,   &EffectMngr::Private::effectKenBurnsPanBT);
0033 }
0034 
0035 EffectMngr::EffectType EffectMngr::Private::getRandomEffect() const
0036 {
0037     QList<EffectMngr::EffectType> effs = eff_effectList.keys();
0038     effs.removeAt(effs.indexOf(EffectMngr::None));
0039 
0040     int i = QRandomGenerator::global()->bounded(effs.count());
0041 
0042     return effs[i];
0043 }
0044 
0045 void EffectMngr::Private::updateCurrentFrame(const QRectF& area)
0046 {
0047     QImage kbImg = eff_image.copy(area.toAlignedRect())
0048                             .scaled(eff_outSize,
0049                                     Qt::KeepAspectRatioByExpanding,
0050                                     Qt::SmoothTransformation);
0051     eff_curFrame = kbImg.convertToFormat(QImage::Format_ARGB32);
0052 }
0053 
0054 int EffectMngr::Private::effectRandom(bool /*aInit*/)
0055 {
0056     return -1;
0057 }
0058 
0059 int EffectMngr::Private::effectNone(bool)
0060 {
0061     eff_curFrame = eff_image;
0062 
0063     return -1;
0064 }
0065 
0066 } // namespace Digikam