1// Copyright (C) 2018 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#include "bmshapelayer_p.h"
5
6#include <QJsonObject>
7#include <QJsonArray>
8
9
10#include "bmconstants_p.h"
11#include "bmbase_p.h"
12#include "bmshape_p.h"
13#include "bmtrimpath_p.h"
14#include "bmbasictransform_p.h"
15#include "lottierenderer_p.h"
16
17QT_BEGIN_NAMESPACE
18
19BMShapeLayer::BMShapeLayer(const BMShapeLayer &other)
20 : BMLayer(other)
21{
22 m_maskProperties = other.m_maskProperties;
23 m_layerTransform = new BMBasicTransform(*other.m_layerTransform);
24 m_layerTransform->setParent(this);
25 m_appliedTrim = other.m_appliedTrim;
26}
27
28BMShapeLayer::BMShapeLayer(const QJsonObject &definition, const QVersionNumber &version)
29{
30 m_type = BM_LAYER_SHAPE_IX;
31 m_version = version;
32
33 BMLayer::parse(definition);
34 if (m_hidden)
35 return;
36
37 qCDebug(lcLottieQtBodymovinParser) << "BMShapeLayer::BMShapeLayer()"
38 << m_name;
39
40 QJsonArray maskProps = definition.value(key: QLatin1String("maskProperties")).toArray();
41 QJsonArray::const_iterator propIt = maskProps.constBegin();
42 while (propIt != maskProps.constEnd()) {
43 m_maskProperties.append(t: (*propIt).toVariant().toInt());
44 ++propIt;
45 }
46
47 QJsonObject trans = definition.value(key: QLatin1String("ks")).toObject();
48 m_layerTransform = new BMBasicTransform(trans, version, this);
49
50 QJsonArray items = definition.value(key: QLatin1String("shapes")).toArray();
51 QJsonArray::const_iterator itemIt = items.constEnd();
52 while (itemIt != items.constBegin()) {
53 itemIt--;
54 BMShape *shape = BMShape::construct(definition: (*itemIt).toObject(), version, parent: this);
55 if (shape)
56 appendChild(child: shape);
57 }
58
59 if (m_maskProperties.size())
60 qCWarning(lcLottieQtBodymovinParser)
61 << "BM Shape Layer: mask properties found, but not supported"
62 << m_maskProperties;
63}
64
65BMShapeLayer::~BMShapeLayer()
66{
67 if (m_layerTransform)
68 delete m_layerTransform;
69}
70
71BMBase *BMShapeLayer::clone() const
72{
73 return new BMShapeLayer(*this);
74}
75
76void BMShapeLayer::updateProperties(int frame)
77{
78 BMLayer::updateProperties(frame);
79
80 m_layerTransform->updateProperties(frame);
81
82 for (BMBase *child : children()) {
83 if (child->hidden())
84 continue;
85
86 BMShape *shape = dynamic_cast<BMShape*>(child);
87
88 if (!shape)
89 continue;
90
91 if (shape->type() == BM_SHAPE_TRIM_IX) {
92 BMTrimPath *trim = static_cast<BMTrimPath*>(shape);
93 if (m_appliedTrim)
94 m_appliedTrim->applyTrim(trimmer: *trim);
95 else
96 m_appliedTrim = trim;
97 } else if (m_appliedTrim) {
98 if (shape->acceptsTrim())
99 shape->applyTrim(trimmer: *m_appliedTrim);
100 }
101 }
102}
103
104void BMShapeLayer::render(LottieRenderer &renderer) const
105{
106 renderer.saveState();
107
108 renderEffects(renderer);
109
110 // In case there is a linked layer, apply its transform first
111 // as it affects tranforms of this layer too
112 if (BMLayer *ll = linkedLayer())
113 renderer.render(trans: *ll->transform());
114
115 renderer.render(layer: *this);
116
117 m_layerTransform->render(renderer);
118
119 for (BMBase *child : children()) {
120 if (child->hidden())
121 continue;
122 child->render(renderer);
123 }
124
125 if (m_appliedTrim && !m_appliedTrim->hidden())
126 m_appliedTrim->render(renderer);
127
128 renderer.restoreState();
129}
130
131QT_END_NAMESPACE
132

source code of qtlottie/src/bodymovin/bmshapelayer.cpp