xref: /aosp_15_r20/external/skia/modules/skottie/src/layers/NullLayer.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2019 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRefCnt.h"
9*c8dee2aaSAndroid Build Coastguard Worker #include "modules/skottie/src/SkottiePriv.h"
10*c8dee2aaSAndroid Build Coastguard Worker #include "modules/sksg/include/SkSGRenderNode.h"
11*c8dee2aaSAndroid Build Coastguard Worker 
12*c8dee2aaSAndroid Build Coastguard Worker namespace skjson {
13*c8dee2aaSAndroid Build Coastguard Worker class ObjectValue;
14*c8dee2aaSAndroid Build Coastguard Worker }
15*c8dee2aaSAndroid Build Coastguard Worker 
16*c8dee2aaSAndroid Build Coastguard Worker namespace skottie {
17*c8dee2aaSAndroid Build Coastguard Worker namespace internal {
18*c8dee2aaSAndroid Build Coastguard Worker 
attachNullLayer(const skjson::ObjectValue & layer,LayerInfo *) const19*c8dee2aaSAndroid Build Coastguard Worker sk_sp<sksg::RenderNode> AnimationBuilder::attachNullLayer(const skjson::ObjectValue& layer,
20*c8dee2aaSAndroid Build Coastguard Worker                                                           LayerInfo*) const {
21*c8dee2aaSAndroid Build Coastguard Worker     // Null layers are used solely to drive dependent transforms,
22*c8dee2aaSAndroid Build Coastguard Worker     // but we use free-floating sksg::Matrices for that purpose.
23*c8dee2aaSAndroid Build Coastguard Worker     return nullptr;
24*c8dee2aaSAndroid Build Coastguard Worker }
25*c8dee2aaSAndroid Build Coastguard Worker 
26*c8dee2aaSAndroid Build Coastguard Worker } // namespace internal
27*c8dee2aaSAndroid Build Coastguard Worker } // namespace skottie
28