qlottieanimationbuilder_p.h

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// Copyright (C) 2026 The Qt Company Ltd.

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

// Qt-Security score:significant reason:default

#ifndef QLOTTIEANIMATIONBUILDER_P_H

#define QLOTTIEANIMATIONBUILDER_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <private/qquickgeneratoranimationprovider_p.h>

#include <QtCore/qeasingcurve.h>

#include <QtCore/QMap>

#include <QtCore/QStack>

#include <array>

#include <QtLottieVectorImageGenerator/qtlottievectorimagegeneratorexports.h>

QT_BEGIN_NAMESPACE

class QQuickTimeline;

class QQuickTimelineAnimation;

class Q_LOTTIEVECTORIMAGEGENERATOR_EXPORT LottieAnimationBuilder : public QQuickGeneratorAnimationProvider

public:

    QQuickAbstractAnimation *enterTimelineScope(QQuickItem *item,

                                                const StructureNodeInfo &info) override;

    void enterTimelineScope(const QString &scopeId, const QString &referenceId) override;

    void exitTimelineScope() override;

    void bindProperty(QObject *target, const QByteArray &propertyName,

                      const QQuickAnimatedProperty &property) override;

    QQuickItem *createCustomItem(const QString &type) override;

private:

    QQuickTimeline *timelineForReference(const QString &referenceId) const;

    void addKeyframeGroup(QQuickTimeline *timeline, QObject *target, const QByteArray &propertyName,

                          const QQuickAnimatedProperty::PropertyAnimation &anim);

    struct Scope

        QQuickTimeline *timeline = nullptr;

        QQuickTimelineAnimation *masterAnimation = nullptr;

        bool ownsTimeline = true;

        QString referenceId;

};

    QStack<Scope> m_scopes;

    QMap<std::array<qreal, 4>, QEasingCurve> m_easingCache;

};

QT_END_NAMESPACE

#endif // QLOTTIEANIMATIONBUILDER_P_H