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
16namespace skottie {
17namespace internal {
18
19namespace  {
20
21class EllipseGeometryAdapter final :
22        public DiscardableAdapterBase<EllipseGeometryAdapter, sksg::RRect> {
23public:
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
34private:
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
49sk_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