qcanvasgradient.h - mozsearch

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// Copyright (C) 2025 The Qt Company Ltd.

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

// Qt-Security score:significant reason:default

#ifndef QCANVASGRADIENT_H

#define QCANVASGRADIENT_H

#include <QtCanvasPainter/qtcanvaspainterglobal.h>

#include <QtCanvasPainter/qcanvasbrush.h>

#include <QtGui/qcolor.h>

#include <QtCore/qlist.h>

QT_BEGIN_NAMESPACE

class QCanvasImage;

class QCanvasGradientBrushPrivate;

struct QCanvasGradientStop

    qreal position;

    QColor color;

private:

    friend constexpr bool comparesEqual(const QCanvasGradientStop &lhs, const QCanvasGradientStop &rhs) noexcept

QT_WARNING_PUSH

QT_WARNING_DISABLE_FLOAT_COMPARE

        return lhs.position == rhs.position && lhs.color == rhs.color;

QT_WARNING_POP

    Q_DECLARE_EQUALITY_COMPARABLE_LITERAL_TYPE(QCanvasGradientStop)

    friend bool qFuzzyCompare(const QCanvasGradientStop &lhs, const QCanvasGradientStop &rhs) noexcept

        return qFuzzyCompare(1 + lhs.position, 1 + rhs.position) && lhs.color == rhs.color;

#ifndef QT_NO_DEBUG_STREAM

    friend Q_CANVASPAINTER_EXPORT QDebug operator<<(QDebug dbg, const QCanvasGradientStop &stop);

#endif

#ifndef QT_NO_DATASTREAM

    friend Q_CANVASPAINTER_EXPORT QDataStream &operator<<(QDataStream &, const QCanvasGradientStop &);

    friend Q_CANVASPAINTER_EXPORT QDataStream &operator>>(QDataStream &, QCanvasGradientStop &);

#endif

    friend size_t qHash(const QCanvasGradientStop &, size_t seed) = delete;

};

typedef QList<QCanvasGradientStop> QCanvasGradientStops;

class QCanvasGradient

public:

    QCanvasGradient() = delete;

    Q_CANVASPAINTER_EXPORT QCanvasBrush::BrushType type() const;

    Q_CANVASPAINTER_EXPORT QColor startColor() const;

    Q_CANVASPAINTER_EXPORT void setStartColor(QColor color);

    Q_CANVASPAINTER_EXPORT QColor endColor() const;

    Q_CANVASPAINTER_EXPORT void setEndColor(QColor color);

    Q_CANVASPAINTER_EXPORT void setColorAt(qreal position, QColor color);

    Q_CANVASPAINTER_EXPORT void setStops(const QCanvasGradientStops &stops);

    Q_CANVASPAINTER_EXPORT QCanvasGradientStops stops() const;

    Q_CANVASPAINTER_EXPORT void setImage(const QCanvasImage &image, int index = 0);

    void addColorStop(qreal position, QColor color)

        setColorAt(position, color);

    Q_IMPLICIT operator QCanvasBrush() const & { return m_brush; }

    Q_IMPLICIT operator QCanvasBrush() && noexcept { return std::move(m_brush); }

    Q_CANVASPAINTER_EXPORT Q_IMPLICIT operator QVariant() const;

protected:

    Q_CANVASPAINTER_EXPORT explicit QCanvasGradient(QCanvasBrush::BrushType type);

    Q_CANVASPAINTER_EXPORT explicit QCanvasGradient(const QCanvasBrush &brush);

    QCanvasGradient(const QCanvasGradient &) = default;

    QCanvasGradient &operator=(const QCanvasGradient &) = default;

    QCanvasGradient(QCanvasGradient &&) = default;

    QCanvasGradient &operator=(QCanvasGradient &&) = default;

    ~QCanvasGradient() = default;

    void swap(QCanvasGradient &other) noexcept { m_brush.swap(other.m_brush); }

private:

    QCanvasBrush m_brush;

    friend class QCanvasGradientBrushPrivate;

    friend Q_CANVASPAINTER_EXPORT bool comparesEqual(const QCanvasGradient &lhs, const QCanvasGradient &rhs) noexcept;

    Q_DECLARE_EQUALITY_COMPARABLE(QCanvasGradient)

#ifndef QT_NO_DEBUG_STREAM

    friend Q_CANVASPAINTER_EXPORT QDebug operator<<(QDebug, const QCanvasGradient &);

#endif

#ifndef QT_NO_DATASTREAM

    friend Q_CANVASPAINTER_EXPORT QDataStream &operator<<(QDataStream &, const QCanvasGradient &);

    friend Q_CANVASPAINTER_EXPORT QDataStream &operator>>(QDataStream &, QCanvasGradient &);

#endif

    friend size_t qHash(const QCanvasGradient &, size_t seed) = delete;

};

QT_END_NAMESPACE

#endif // QCANVASGRADIENT_H