qquickcolordialogutils.cpp

Enable keyboard shortcuts

// Copyright (C) 2022 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#include "qquickcolordialogutils_p.h"

QT_BEGIN_NAMESPACE

std::pair<qreal, qreal> getSaturationAndValue(qreal saturation, qreal lightness)

    const qreal v = lightness + saturation * qMin(lightness, 1 - lightness);

    if (v == .0)

        return { .0, .0 };

    const qreal s = 2 * (1 - lightness / v);

    return { s, v };

std::pair<qreal, qreal> getSaturationAndLightness(qreal saturation, qreal value)

    const qreal l = value * (1 - saturation / 2);

    if (l == .0)

        return { .0, .0 };

    if (l == 1 && value == 1)

        return { saturation, l };

    const qreal s = (value - l) / qMin(l, 1 - l);

    return { s, l };

QT_END_NAMESPACE