lumamixtransition.h

/*
 * Copyright (c) 2014-2026 Meltytech, LLC
 *
 * 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 3 of the License, 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef LUMAMIXTRANSITION_H
#define LUMAMIXTRANSITION_H
 
#include <MltProducer.h>
#include <MltTransition.h>
#include <QWidget>
 
namespace Ui {
class LumaMixTransition;
}
class ProducerPreviewWidget;
 
class LumaMixTransition : public QWidget
{
    Q_OBJECT
 
public:
    explicit LumaMixTransition(Mlt::Producer &transition, QWidget *parent = 0);
    ~LumaMixTransition();
 
public slots:
    void onPlaying();
    void updateDuration();
 
signals:
    void modified();
    void resizeTransitionRequested(int delta);
 
private slots:
    void on_invertCheckBox_clicked(bool checked);
 
    void on_softnessSlider_valueChanged(int value);
 
    void on_crossfadeRadioButton_clicked();
 
    void on_mixRadioButton_clicked();
 
    void on_mixSlider_valueChanged(int value);
 
    void on_lumaCombo_currentRowChanged(int index);
 
    void startPreview();
 
    void on_previewCheckBox_clicked(bool checked);
 
    void on_favoriteButton_clicked();
    void on_durationSpinBox_editingFinished();
 
private:
    Ui::LumaMixTransition *ui;
    Mlt::Producer m_producer;
    int m_maxStockIndex;
    ProducerPreviewWidget *m_preview;
    Mlt::Producer m_previewProducer;
 
    Mlt::Transition *getTransition(const QString &name);
    void updateCustomLumaLabel(Mlt::Transition &transition);
};
 
#endif // LUMAMIXTRANSITION_H