musiclrcmanager.cpp

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#include "musiclrcmanager.h"
#include "musicwidgetutils.h"

#include <QFontDatabase>

MusicLrcColor::MusicLrcColor() noexcept
    : m_index(Color::Null)
{

}

MusicLrcColor::MusicLrcColor(const QList<QColor> &front, const QList<QColor> &back, Color index) noexcept
    : m_frontColor(front),
      m_backColor(back),
      m_index(index)
{

}

MusicLrcColor TTK::mapIndexToColor(MusicLrcColor::Color index)
{
    QList<QColor> front, back;
    switch(index)
    {
        case MusicLrcColor::Color::IYellow:
        {
            back  << QColor(255, 255, 255) << QColor(255, 255, 255) << QColor(255, 255, 255);
            front << QColor(250, 218, 131) << QColor(250, 218, 131) << QColor(250, 218, 131);
            break;
        }
        case MusicLrcColor::Color::IBlue:
        {
            back  << QColor(255, 255, 255) << QColor(255, 255, 255) << QColor(255, 255, 255);
            front << QColor(93, 177, 240)  << QColor(93, 177, 240)  << QColor(93, 177, 240);
            break;
        }
        case MusicLrcColor::Color::IGray:
        {
            back  << QColor(255, 255, 255) << QColor(255, 255, 255) << QColor(255, 255, 255);
            front << QColor(139, 135, 150) << QColor(139, 135, 150) << QColor(139, 135, 150);
            break;
        }
        case MusicLrcColor::Color::IPink:
        {
            back  << QColor(255, 255, 255) << QColor(255, 255, 255) << QColor(255, 255, 255);
            front << QColor(225, 125, 179) << QColor(225, 125, 179) << QColor(225, 125, 179);
            break;
        }
        case MusicLrcColor::Color::IGreen:
        {
            back  << QColor(255, 255, 255) << QColor(255, 255, 255) << QColor(255, 255, 255);
            front << QColor(157, 196, 0)   << QColor(157, 196, 0)   << QColor(157, 196, 0);
            break;
        }
        case MusicLrcColor::Color::IRed:
        {
            back  << QColor(255, 255, 255) << QColor(255, 255, 255) << QColor(255, 255, 255);
            front << QColor(255, 42, 45)   << QColor(255, 42, 45)   << QColor(255, 42, 45);
            break;
        }
        case MusicLrcColor::Color::IPurple:
        {
            back  << QColor(255, 255, 255) << QColor(255, 255, 255) << QColor(255, 255, 255);
            front << QColor(138, 0, 226)   << QColor(138, 0, 226)   << QColor(138, 0, 226);
            break;
        }
        case MusicLrcColor::Color::IOrange:
        {
            back  << QColor(255, 255, 255) << QColor(255, 255, 255) << QColor(255, 255, 255);
            front << QColor(228, 157, 0)   << QColor(228, 157, 0)   << QColor(228, 157, 0);
            break;
        }
        case MusicLrcColor::Color::IIndigo:
        {
            back  << QColor(255, 255, 255) << QColor(255, 255, 255) << QColor(255, 255, 255);
            front << QColor(23, 211, 190)  << QColor(23, 211, 190)  << QColor(23, 211, 190);
            break;
        }
        case MusicLrcColor::Color::DWhite:
        {
            back  << QColor(255, 255, 255) << QColor(255, 255, 255) << QColor(255, 255, 255);
            front << QColor(255, 255, 0)   << QColor(255, 255, 0)   << QColor(255, 255, 0);
            break;
        }
        case MusicLrcColor::Color::DBlue:
        {
            back  << QColor(0, 52, 138)    << QColor(0, 128, 192)   << QColor(3, 202, 252);
            front << QColor(130, 247, 253) << QColor(255, 255, 255) << QColor(3, 233, 252);
            break;
        }
        case MusicLrcColor::Color::DRed:
        {
            back  << QColor(255, 172, 0)   << QColor(255, 0, 0)     << QColor(170, 0, 0);
            front << QColor(255, 255, 164) << QColor(255, 255, 0)   << QColor(255, 100, 26);
            break;
        }
        case MusicLrcColor::Color::DBlack:
        {
            back  << QColor(225, 225, 225) << QColor(106, 106, 106) << QColor(0, 0, 0);
            front << QColor(255, 255, 255) << QColor(222, 222, 222) << QColor(128, 255, 255);
            break;
        }
        case MusicLrcColor::Color::DYellow:
        {
            back  << QColor(2, 166, 174)   << QColor(128, 255, 255) << QColor(2, 166, 174);
            front << QColor(255, 128, 0)   << QColor(255, 255, 0)   << QColor(255, 128, 0);
            break;
        }
        case MusicLrcColor::Color::DPurple:
        {
            back  << QColor(64, 0, 128)    << QColor(255, 128, 255) << QColor(64, 0, 128);
            front << QColor(255, 55, 146)  << QColor(255, 243, 134) << QColor(255, 55, 146);
            break;
        }
        case MusicLrcColor::Color::DGreen:
        {
            back  << QColor(147, 255, 38)  << QColor(70, 176, 0)    << QColor(0, 85, 0);
            front << QColor(255, 255, 255) << QColor(154, 255, 17)  << QColor(255, 255, 0);
            break;
        }
        default: break;
    };

    return MusicLrcColor(front, back, index);
}

QList<QColor> TTK::readColorConfig(const QString &value)
{
    QList<QColor> colors;
    const QStringList &rgbs = value.split(";", QtSkipEmptyParts);
    for(const QString &rgb : qAsConst(rgbs))
    {
        const QStringList &var = rgb.split(",");
        if(var.count() != 3)
        {
            continue;
        }
        colors << QColor(var[0].toInt(), var[1].toInt(), var[2].toInt());
    }
    return colors;
}

QString TTK::writeColorConfig(const QList<QColor> &colors)
{
    QString value;
    for(const QColor &rgb : qAsConst(colors))
    {
        value.append(QString("%1,%2,%3;").arg(rgb.red()).arg(rgb.green()).arg(rgb.blue()));
    }
    return value;
}


MusicLrcManager::MusicLrcManager(QWidget *parent)
    : QLabel(parent),
      m_lrcMaskWidth(0),
      m_lrcMaskWidthInterval(0),
      m_intervalCount(0.0f),
      m_lrcPerWidth(0),
      m_transparent(100),
      m_speedLevel(1)
{
    m_font.setBold(true);
    m_linearGradient.setStart(0, 0);
    m_maskLinearGradient.setStart(0, 0);

    m_timer = new QTimer(this);
    connect(m_timer, SIGNAL(timeout()), SLOT(updateMask()));
}

MusicLrcManager::~MusicLrcManager()
{
    delete m_timer;
}

void MusicLrcManager::start(qint64 time)
{
    if(time > 0)
    {
        m_intervalCount = 0.0f;
        m_position.setX(TTK::Widget::fontTextWidth(m_font, text()));

        const float count = time / m_speedLevel;
        m_lrcMaskWidthInterval = (count != 0) ? m_position.x() / count : 0;
        m_lrcMaskWidth = 0;
    }

    m_timer->start(LRC_PER_TIME);
}

void MusicLrcManager::stop()
{
    m_timer->stop();
    update();
}

void MusicLrcManager::setFontFamily(int index)
{
    if(index < 0)
    {
        return;
    }

    const QStringList &family = QtFontFamilies();
    if(!family.isEmpty())
    {
        if(index >= family.count())
        {
            index = 0;
        }
        m_font.setFamily(family[index]);
    }
}

void MusicLrcManager::setFontType(int type)
{
    m_font.setBold(type == 1 || type == 3);
    m_font.setItalic(type == 2 || type == 3);
}

void MusicLrcManager::setLinearGradientColor(const MusicLrcColor &color)
{
    QLinearGradient linearGradient;
    QList<QColor> cl = color.m_backColor;
    for(int i = 0; i < cl.count(); ++i)
    {
        QColor rgb = cl[i];
        rgb.setAlpha(m_transparent * 2.55);
        linearGradient.setColorAt((i + 1) * 1.0 / cl.count(), rgb);
    }
    m_linearGradient = linearGradient;

    QLinearGradient maskLinearGradient;
    cl = color.m_frontColor;
    for(int i = 0; i < cl.count(); ++i)
    {
        QColor rgb = cl[i];
        rgb.setAlpha(m_transparent * 2.55);
        maskLinearGradient.setColorAt((i + 1) * 1.0 / cl.count(), rgb);
    }
    m_maskLinearGradient = maskLinearGradient;

    update();
}

void MusicLrcManager::setSelfPosition(int x, int y) noexcept
{
    m_position = QPoint(x, y);
    m_lrcPerWidth = x;
}

void MusicLrcManager::setSelfPosition(const QPoint &point) noexcept
{
    m_position = point;
}

int MusicLrcManager::x() const noexcept
{
    return m_position.x();
}

int MusicLrcManager::y() const noexcept
{
    return m_position.y();
}

void MusicLrcManager::setX(int x) noexcept
{
    m_position.setX(x);
}

void MusicLrcManager::setY(int y) noexcept
{
    m_position.setY(y);
}

void MusicLrcManager::reset()
{
    m_intervalCount = 0.0f;
    m_lrcMaskWidth = 0.0f;
    m_timer->stop();
    update();
}

void MusicLrcManager::setLrcFontSize(int size)
{
    if(size > 0)
    {
        m_font.setPointSize(size);
    }

    setText(text());
    update();
}

void MusicLrcManager::updateMask()
{
    //At a fixed period of time covered length increases.
    m_lrcMaskWidth += m_lrcMaskWidthInterval;
    update();
}

void MusicLrcManager::setText(const QString &str)
{
    m_position.setX(TTK::Widget::fontTextWidth(m_font, str));
    QLabel::setText(str);
}