1 /*
2 * Copyright 2020 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "include/core/SkRRect.h"
9 #include "modules/skottie/src/Adapter.h"
10 #include "modules/skottie/src/SkottieJson.h"
11 #include "modules/skottie/src/SkottiePriv.h"
12 #include "modules/skottie/src/SkottieValue.h"
13 #include "modules/skottie/src/layers/shapelayer/ShapeLayer.h"
14 #include "modules/sksg/include/SkSGRect.h"
15
16 namespace skottie {
17 namespace internal {
18
19 namespace {
20
21 class EllipseGeometryAdapter final :
22 public DiscardableAdapterBase<EllipseGeometryAdapter, sksg::RRect> {
23 public:
EllipseGeometryAdapter(const skjson::ObjectValue & jellipse,const AnimationBuilder * abuilder)24 EllipseGeometryAdapter(const skjson::ObjectValue& jellipse,
25 const AnimationBuilder* abuilder) {
26 this->node()->setDirection(ParseDefault(jellipse["d"], -1) == 3 ? SkPathDirection::kCCW
27 : SkPathDirection::kCW);
28 this->node()->setInitialPointIndex(1); // starting point: (Center, Top)
29
30 this->bind(*abuilder, jellipse["s"], fSize);
31 this->bind(*abuilder, jellipse["p"], fPosition);
32 }
33
34 private:
onSync()35 void onSync() override {
36 const auto bounds = SkRect::MakeXYWH(fPosition.x - fSize.x / 2,
37 fPosition.y - fSize.y / 2,
38 fSize.x, fSize.y);
39
40 this->node()->setRRect(SkRRect::MakeOval(bounds));
41 }
42
43 Vec2Value fSize = {0,0},
44 fPosition = {0,0}; // center
45 };
46
47 } // namespace
48
AttachEllipseGeometry(const skjson::ObjectValue & jellipse,const AnimationBuilder * abuilder)49 sk_sp<sksg::GeometryNode> ShapeBuilder::AttachEllipseGeometry(const skjson::ObjectValue& jellipse,
50 const AnimationBuilder* abuilder) {
51 return abuilder->attachDiscardableAdapter<EllipseGeometryAdapter>(jellipse, abuilder);
52 }
53
54 } // namespace internal
55 } // namespace skottie
56