qt-everywhere-src-5.14.1/qtquickcontrols2/src/quickcontrols2/qquickcolor.cpp

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#include "qquickcolor_p.h"

QT_BEGIN_NAMESPACE

QQuickColor::QQuickColor(QObject *parent) :
    QObject(parent)
{
}

QColor QQuickColor::transparent(const QColor &color, qreal opacity) const
{
    return QColor(color.red(), color.green(), color.blue(),
                  int(qreal(255) * qBound(qreal(0), opacity, qreal(1))));
}

QColor QQuickColor::blend(const QColor &a, const QColor &b, qreal factor) const
{
    if (factor <= 0.0)
        return a;
    if (factor >= 1.0)
        return b;

    QColor color;
    color.setRedF(a.redF() * (1.0 - factor) + b.redF() * factor);
    color.setGreenF(a.greenF() * (1.0 - factor) + b.greenF() * factor);
    color.setBlueF(a.blueF() * (1.0 - factor) + b.blueF() * factor);
    return color;
}

QT_END_NAMESPACE