KisCanvasAnimationState.h

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/*
 *  SPDX-FileCopyrightText: 2015 Jouni Pentikäinen <joupent@gmail.com>
 *  SPDX-FileCopyrightText: 2021 Eoin O'Neill <eoinoneill1991@gmail.com>
 *  SPDX-FileCopyrightText: 2021 Emmet O'Neill <emmetoneill.pdx@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KIS_ANIMATION_PLAYER_H
#define KIS_ANIMATION_PLAYER_H
 
#include <QScopedPointer>
#include <QObject>
#include <QFileInfo>
 
#include <kis_time_span.h>
#include <boost/optional.hpp>
 
#include "kritaui_export.h"
 
 
class KisCanvas2;
 
enum PlaybackState : unsigned int {
    STOPPED,
    PAUSED,
    PLAYING
};
 
class KRITAUI_EXPORT KisCanvasAnimationState : public QObject
{
    Q_OBJECT
 
public:
    KisCanvasAnimationState(KisCanvas2 *canvas);
    ~KisCanvasAnimationState() override;
 
    void setPlaybackState(PlaybackState state);
    PlaybackState playbackState();
 
    boost::optional<QFileInfo> mediaInfo();
    qreal currentVolume();
 
    boost::optional<int> playbackOrigin();
 
    class KisFrameDisplayProxy *displayProxy();
 
    void setPlaybackSpeed(qreal value);
    qreal playbackSpeed() const;
 
    void setupAudioTracks();
 
public Q_SLOTS:
    void showFrame(int frame, bool finalize = false);
 
Q_SIGNALS:
    void sigPlaybackStateChanged(PlaybackState state);
    void sigPlaybackStatisticsUpdated();
    void sigPlaybackSpeedChanged(qreal value);
    void sigFrameChanged();
    void sigPlaybackMediaChanged();
    void sigAudioLevelChanged(qreal value);
 
    void sigCancelPlayback();
 
private:
    KisTimeSpan activePlaybackRange();
 
    struct Private;
    QScopedPointer<Private> m_d;
};
 
#endif