1// Copyright (C) 2018 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#include "bmimagelayer_p.h"
5
6#include <QJsonObject>
7#include <QJsonArray>
8
9
10#include "bmbase_p.h"
11#include "bmimage_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
19BMImageLayer::BMImageLayer(const BMImageLayer &other)
20 : BMLayer(other)
21{
22 m_maskProperties = other.m_maskProperties;
23 m_layerTransform = new BMBasicTransform(*other.m_layerTransform);
24 m_appliedTrim = other.m_appliedTrim;
25}
26
27BMImageLayer::BMImageLayer(const QJsonObject &definition, const QVersionNumber &version)
28{
29 m_type = BM_LAYER_IMAGE_IX;
30 m_version = version;
31
32 BMLayer::parse(definition);
33
34 BMImage *image = new BMImage(definition, version, this);
35 appendChild(child: image);
36
37 if (m_hidden)
38 return;
39
40 qCDebug(lcLottieQtBodymovinParser) << "BMImageLayer::BMImageLayer()"
41 << m_name;
42
43 QJsonArray maskProps = definition.value(key: QLatin1String("maskProperties")).toArray();
44 QJsonArray::const_iterator propIt = maskProps.constBegin();
45 while (propIt != maskProps.constEnd()) {
46 m_maskProperties.append(t: (*propIt).toVariant().toInt());
47 ++propIt;
48 }
49
50 QJsonObject trans = definition.value(key: QLatin1String("ks")).toObject();
51 m_layerTransform = new BMBasicTransform(trans, version, this);
52
53 QJsonArray items = definition.value(key: QLatin1String("shapes")).toArray();
54 QJsonArray::const_iterator itemIt = items.constEnd();
55 while (itemIt != items.constBegin()) {
56 itemIt--;
57 BMShape *shape = BMShape::construct(definition: (*itemIt).toObject(), version, parent: this);
58 if (shape)
59 appendChild(child: shape);
60 }
61
62 if (m_maskProperties.size())
63 qCWarning(lcLottieQtBodymovinParser)
64 << "BM Image Layer: mask properties found, but not supported"
65 << m_maskProperties;
66}
67
68BMImageLayer::~BMImageLayer()
69{
70 if (m_layerTransform)
71 delete m_layerTransform;
72}
73
74BMBase *BMImageLayer::clone() const
75{
76 return new BMImageLayer(*this);
77}
78
79void BMImageLayer::updateProperties(int frame)
80{
81 BMLayer::updateProperties(frame);
82
83 m_layerTransform->updateProperties(frame);
84
85 for (BMBase *child : children()) {
86 if (child->hidden())
87 continue;
88
89 BMShape *shape = dynamic_cast<BMShape*>(child);
90
91 if (!shape)
92 continue;
93
94 if (shape->type() == BM_SHAPE_TRIM_IX) {
95 BMTrimPath *trim = static_cast<BMTrimPath*>(shape);
96 if (m_appliedTrim)
97 m_appliedTrim->applyTrim(trimmer: *trim);
98 else
99 m_appliedTrim = trim;
100 } else if (m_appliedTrim) {
101 if (shape->acceptsTrim())
102 shape->applyTrim(trimmer: *m_appliedTrim);
103 }
104 }
105}
106
107void BMImageLayer::render(LottieRenderer &renderer) const
108{
109 renderer.saveState();
110
111 renderEffects(renderer);
112
113 // In case there is a linked layer, apply its transform first
114 // as it affects transforms of this layer too
115 if (BMLayer *ll = linkedLayer())
116 renderer.render(trans: *ll->transform());
117
118 renderer.render(layer: *this);
119
120 m_layerTransform->render(renderer);
121
122 for (BMBase *child : children()) {
123 if (child->hidden())
124 continue;
125 child->render(renderer);
126 }
127
128 if (m_appliedTrim && !m_appliedTrim->hidden())
129 m_appliedTrim->render(renderer);
130
131 renderer.restoreState();}
132
133QT_END_NAMESPACE
134

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