musiclrcmanager.h

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#ifndef MUSICLRCMANAGER_H
#define MUSICLRCMANAGER_H

/***************************************************************************
 * This file is part of the TTK Music Player project
 * Copyright (C) 2015 - 2025 Greedysky Studio

 * 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/>.
 ***************************************************************************/

#include <QTimer>
#include <QAction>
#include <QMouseEvent>
#include "musicglobaldefine.h"
#include "musicwidgetheaders.h"

static constexpr int LRC_PER_TIME = 30;
static constexpr int LRC_COLOR_OFFSET = 9;

class TTK_MODULE_EXPORT MusicLrcColor
{
public:
    enum class Color
    {
        Null = -1,   
        IYellow,     
        IBlue,       
        IGray,       
        IPink,       
        IGreen,      
        IRed,        
        IPurple,     
        IOrange,     
        IIndigo,     
        DWhite,      
        DBlue,       
        DRed,        
        DBlack,      
        DYellow,     
        DPurple,     
        DGreen       
    };

    MusicLrcColor() noexcept;
    MusicLrcColor(const QList<QColor> &front, const QList<QColor> &back, Color index = Color::Null) noexcept;

    QList<QColor> m_frontColor;
    QList<QColor> m_backColor;
    MusicLrcColor::Color m_index;

};


namespace TTK
{
    MusicLrcColor mapIndexToColor(MusicLrcColor::Color index);
    QList<QColor> readColorConfig(const QString &value);
    QString writeColorConfig(const QList<QColor> &colors);

}


class TTK_MODULE_EXPORT MusicLrcManager : public QLabel
{
    Q_OBJECT
    TTK_DECLARE_MODULE(MusicLrcManager)
public:
    explicit MusicLrcManager(QWidget *parent = nullptr);
    ~MusicLrcManager();

    void startDrawLrc();
    void startDrawLrcMask(qint64 intervaltime);
    void stopDrawLrc();

    void setFontFamily(int index);
    void setFontType(int type);
    void setLinearGradientColor(const MusicLrcColor &color);

    inline void setSpeedLevel(int l) noexcept { m_speedLevel = l; }
    inline void setFontTransparent(int t) noexcept { m_transparent = t; }

    void setSelfPosition(int x, int y) noexcept;
    void setSelfPosition(const QPoint &point) noexcept;

    int x() const noexcept;
    int y() const noexcept;
    void setX(int x) noexcept;
    void setY(int y) noexcept;

    void reset();

    void setLrcFontSize(int size);
    inline int lrcFontSize() const noexcept { return m_font.pointSize(); }

public Q_SLOTS:
    void updateMask();
    void setText(const QString &str);

protected:
    QFont m_font;
    QTimer *m_timer;
    QLinearGradient m_linearGradient, m_maskLinearGradient;
    float m_lrcMaskWidth, m_lrcMaskWidthInterval, m_intervalCount;

    int m_lrcPerWidth, m_transparent, m_speedLevel;
    QPoint m_position;

};

#endif // MUSICLRCMANAGER_H