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 "modules/skottie/src/Adapter.h" |
9 | #include "modules/skottie/src/SkottieJson.h" |
10 | #include "modules/skottie/src/SkottiePriv.h" |
11 | #include "modules/skottie/src/SkottieValue.h" |
12 | #include "modules/skottie/src/layers/shapelayer/ShapeLayer.h" |
13 | |
14 | namespace skottie { |
15 | namespace internal { |
16 | |
17 | sk_sp<sksg::Merge> ShapeBuilder::MergeGeometry(std::vector<sk_sp<sksg::GeometryNode>>&& geos, |
18 | sksg::Merge::Mode mode) { |
19 | std::vector<sksg::Merge::Rec> merge_recs; |
20 | merge_recs.reserve(geos.size()); |
21 | |
22 | for (auto& geo : geos) { |
23 | merge_recs.push_back( |
24 | {std::move(geo), merge_recs.empty() ? sksg::Merge::Mode::kMerge : mode}); |
25 | } |
26 | |
27 | return sksg::Merge::Make(std::move(merge_recs)); |
28 | } |
29 | |
30 | std::vector<sk_sp<sksg::GeometryNode>> ShapeBuilder::AttachMergeGeometryEffect( |
31 | const skjson::ObjectValue& jmerge, const AnimationBuilder*, |
32 | std::vector<sk_sp<sksg::GeometryNode>>&& geos) { |
33 | static constexpr sksg::Merge::Mode gModes[] = { |
34 | sksg::Merge::Mode::kMerge, // "mm": 1 |
35 | sksg::Merge::Mode::kUnion, // "mm": 2 |
36 | sksg::Merge::Mode::kDifference, // "mm": 3 |
37 | sksg::Merge::Mode::kIntersect, // "mm": 4 |
38 | sksg::Merge::Mode::kXOR , // "mm": 5 |
39 | }; |
40 | |
41 | const auto mode = gModes[std::min<size_t>(ParseDefault<size_t>(jmerge["mm" ], 1) - 1, |
42 | SK_ARRAY_COUNT(gModes) - 1)]; |
43 | |
44 | std::vector<sk_sp<sksg::GeometryNode>> merged; |
45 | merged.push_back(ShapeBuilder::MergeGeometry(std::move(geos), mode)); |
46 | |
47 | return merged; |
48 | } |
49 | |
50 | } // namespace internal |
51 | } // namespace skottie |
52 | |