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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the lottie-qt module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
******************************************************************************/
#include "bmshapelayer_p.h"
#include <QJsonObject>
#include <QJsonArray>
#include "bmconstants_p.h"
#include "bmbase_p.h"
#include "bmshape_p.h"
#include "bmtrimpath_p.h"
#include "bmbasictransform_p.h"
#include "lottierenderer_p.h"
QT_BEGIN_NAMESPACE
BMShapeLayer::BMShapeLayer(const BMShapeLayer &other)
: BMLayer(other)
{
m_maskProperties = other.m_maskProperties;
m_layerTransform = new BMBasicTransform(*other.m_layerTransform);
m_layerTransform->setParent(this);
m_appliedTrim = other.m_appliedTrim;
}
BMShapeLayer::BMShapeLayer(const QJsonObject &definition)
{
m_type = BM_LAYER_SHAPE_IX;
BMLayer::parse(definition);
if (m_hidden)
return;
qCDebug(lcLottieQtBodymovinParser) << "BMShapeLayer::BMShapeLayer()"
<< m_name;
QJsonArray maskProps = definition.value(QLatin1String("maskProperties")).toArray();
QJsonArray::const_iterator propIt = maskProps.constBegin();
while (propIt != maskProps.constEnd()) {
m_maskProperties.append((*propIt).toVariant().toInt());
++propIt;
}
QJsonObject trans = definition.value(QLatin1String("ks")).toObject();
m_layerTransform = new BMBasicTransform(trans, this);
QJsonArray items = definition.value(QLatin1String("shapes")).toArray();
QJsonArray::const_iterator itemIt = items.constEnd();
while (itemIt != items.constBegin()) {
itemIt--;
BMShape *shape = BMShape::construct((*itemIt).toObject(), this);
if (shape)
appendChild(shape);
}
if (m_maskProperties.length())
qCWarning(lcLottieQtBodymovinParser)
<< "BM Shape Layer: mask properties found, but not supported"
<< m_maskProperties;
}
BMShapeLayer::~BMShapeLayer()
{
if (m_layerTransform)
delete m_layerTransform;
}
BMBase *BMShapeLayer::clone() const
{
return new BMShapeLayer(*this);
}
void BMShapeLayer::updateProperties(int frame)
{
BMLayer::updateProperties(frame);
m_layerTransform->updateProperties(frame);
for (BMBase *child : children()) {
if (child->hidden())
continue;
BMShape *shape = dynamic_cast<BMShape*>(child);
if (!shape)
continue;
if (shape->type() == BM_SHAPE_TRIM_IX) {
BMTrimPath *trim = static_cast<BMTrimPath*>(shape);
if (m_appliedTrim)
m_appliedTrim->applyTrim(*trim);
else
m_appliedTrim = trim;
} else if (m_appliedTrim) {
if (shape->acceptsTrim())
shape->applyTrim(*m_appliedTrim);
}
}
}
void BMShapeLayer::render(LottieRenderer &renderer) const
{
renderer.saveState();
renderEffects(renderer);
// In case there is a linked layer, apply its transform first
// as it affects tranforms of this layer too
if (BMLayer *ll = linkedLayer())
renderer.render(*ll->transform());
renderer.render(*this);
m_layerTransform->render(renderer);
for (BMBase *child : children()) {
if (child->hidden())
continue;
child->render(renderer);
}
if (m_appliedTrim && !m_appliedTrim->hidden())
m_appliedTrim->render(renderer);
renderer.restoreState();
}
QT_END_NAMESPACE
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