qlottieshapetransform.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 "qlottieshapetransform_p.h"

#include <QJsonObject>

#include <QtMath>

#include "qlottieconstants_p.h"

#include "qlottiebasictransform_p.h"

QLottieShapeTransform::QLottieShapeTransform(const QLottieShapeTransform &other)

    : QLottieBasicTransform(other)

    m_skew = other.m_skew;

    m_skewAxis = other.m_skewAxis;

    m_shearX = other.m_shearX;

    m_shearY = other.m_shearY;

    m_shearAngle = other.m_shearAngle;

QLottieShapeTransform::QLottieShapeTransform(QLottieBase *parent)

    setParent(parent);

QLottieBase *QLottieShapeTransform::clone() const

    return new QLottieShapeTransform(*this);

int QLottieShapeTransform::parse(const QJsonObject &definition)

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

        return -1;

    qCDebug(lcLottieQtLottieParser) << "QLottieShapeTransform::parse():" << QLottieShape::name();

    if (definition.contains("sk"_L1)) {

        QJsonObject skew = definition.value("sk"_L1).toObject();

        skew = resolveExpression(skew);

        m_skew.construct(skew);

    if (definition.contains("sa"_L1)) {

        QJsonObject skewAxis = definition.value("sa"_L1).toObject();

        skewAxis = resolveExpression(skewAxis);

        m_skewAxis.construct(skewAxis);

    return 0;

void QLottieShapeTransform::updateProperties(int frame)

    QLottieBasicTransform::updateProperties(frame);

    m_skew.update(frame);

    m_skewAxis.update(frame);

    double rads = qDegreesToRadians(m_skewAxis.value());

    m_shearX = qCos(rads);

    m_shearY = qSin(rads);

    double tan = qDegreesToRadians(-m_skew.value());

    m_shearAngle = qTan(tan);

void QLottieShapeTransform::render(QLottieRenderer &renderer) const

    renderer.render(*this);

qreal QLottieShapeTransform::skew() const

    return m_skew.value();

qreal QLottieShapeTransform::skewAxis() const

    return m_skewAxis.value();

qreal QLottieShapeTransform::shearX() const

    return m_shearX;

qreal QLottieShapeTransform::shearY() const

    return m_shearY;

qreal QLottieShapeTransform::shearAngle() const

    return m_shearAngle;