qlottierepeatertransform.cpp

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// Copyright (C) 2018 The Qt Company Ltd.

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

// Qt-Security score:significant reason:default

#include "qlottierepeatertransform_p.h"

QT_BEGIN_NAMESPACE

QLottieRepeaterTransform::QLottieRepeaterTransform(const QLottieRepeaterTransform &other)

    : QLottieBasicTransform(other)

    m_startOpacity = other.m_startOpacity;

    m_endOpacity = other.m_endOpacity;

    m_opacities = other.m_opacities;

QLottieRepeaterTransform::QLottieRepeaterTransform(QLottieBase *parent)

    setParent(parent);

QLottieBase *QLottieRepeaterTransform::clone() const

    return new QLottieRepeaterTransform(*this);

int QLottieRepeaterTransform::parse(const QJsonObject &definition)

    qCDebug(lcLottieQtLottieParser) << "QLottieRepeaterTransform::parse():" << name();

    if (QLottieBasicTransform::parse(definition) < 0)

        return -1;

    if (m_hidden)

        return 0;

    QJsonObject startOpacity = definition.value("so"_L1).toObject();

    startOpacity = resolveExpression(startOpacity);

    m_startOpacity.construct(startOpacity);

    QJsonObject endOpacity = definition.value("eo"_L1).toObject();

    endOpacity = resolveExpression(endOpacity);

    m_endOpacity.construct(endOpacity);

    return 0;

void QLottieRepeaterTransform::updateProperties(int frame)

    QLottieBasicTransform::updateProperties(frame);

    m_startOpacity.update(frame);

    m_endOpacity.update(frame);

    m_opacities.clear();

    for (int i = 0; i < m_copies; i++) {

        qreal opacity = m_startOpacity.value() +

                (m_endOpacity.value() - m_startOpacity.value()) * i / m_copies;

        m_opacities.push_back(opacity);

void QLottieRepeaterTransform::render(QLottieRenderer &renderer) const

    renderer.render(*this);

void QLottieRepeaterTransform::setInstanceCount(int copies)

    m_copies = copies;

qreal QLottieRepeaterTransform::opacityAtInstance(int instance) const

    return m_opacities.at(instance) / 100.0;

qreal QLottieRepeaterTransform::startOpacity() const

    return m_startOpacity.value();

qreal QLottieRepeaterTransform::endOpacity() const

    return m_endOpacity.value();

QT_END_NAMESPACE