qlottierenderer.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 <QPointF>

#include <QTransform>

#include "QtLottie/private/qlottierenderer_p.h"

#include "QtLottie/private/qlottiebasictransform_p.h"

#include "QtLottie/private/qlottieshapetransform_p.h"

QT_BEGIN_NAMESPACE

void QLottieRenderer::setTrimmingState(QLottieRenderer::TrimmingState trimmingState)

    m_trimmingState = trimmingState;

QLottieRenderer::TrimmingState QLottieRenderer::trimmingState() const

    return m_trimmingState;

void QLottieRenderer::saveTrimmingState()

    m_trimStateStack.push(m_trimmingState);

void QLottieRenderer::restoreTrimmingState()

    if (m_trimStateStack.size())

        m_trimmingState = m_trimStateStack.pop();

void QLottieRenderer::applyTransform(QTransform *xf, const QLottieBasicTransform &lottieXf, bool isShapeTransform)

    const QPointF pos = lottieXf.position();

    const qreal rot = lottieXf.rotation();

    const QPointF sca = lottieXf.scale();

    const QPointF anc = lottieXf.anchorPoint();

    xf->translate(pos.x(), pos.y());

    if (!qFuzzyIsNull(rot))

        xf->rotate(rot);

    if (isShapeTransform) {

        const QLottieShapeTransform &shxf = static_cast<const QLottieShapeTransform &>(lottieXf);

        if (!qFuzzyIsNull(shxf.skew())) {

            QTransform t(shxf.shearX(), shxf.shearY(), 0, -shxf.shearY(), shxf.shearX(), 0, 0, 0, 1);

            t *= QTransform(1, 0, 0, shxf.shearAngle(), 1, 0, 0, 0, 1);

            t *= QTransform(shxf.shearX(), -shxf.shearY(), 0, shxf.shearY(), shxf.shearX(), 0, 0, 0, 1);

            *xf = t * (*xf);

    xf->scale(sca.x(), sca.y());

    xf->translate(-anc.x(), -anc.y());

QT_END_NAMESPACE