submodule/skia/modules/skottie/src/layers/shapelayer/RoundCorners.cpp

   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 #include "modules/sksg/include/SkSGGeometryEffect.h"
  14
  15 namespace skottie {
  16 namespace internal {
  17
  18 namespace  {
  19
  20 class RoundCornersAdapter final : public DiscardableAdapterBase<RoundCornersAdapter,
  21                                                                 sksg::RoundEffect> {
  22 public:
  23     RoundCornersAdapter(const skjson::ObjectValue& jround,
  24                         const AnimationBuilder& abuilder,
  25                         sk_sp<sksg::GeometryNode> child)
  26         : INHERITED(sksg::RoundEffect::Make(std::move(child))) {
  27         this->bind(abuilder, jround["r"], fRadius);
  28     }
  29
  30 private:
  31     void onSync() override {
  32         this->node()->setRadius(fRadius);
  33     }
  34
  35     ScalarValue fRadius = 0;
  36
  37     using INHERITED = DiscardableAdapterBase<RoundCornersAdapter, sksg::RoundEffect>;
  38 };
  39
  40 } // namespace
  41
  42 std::vector<sk_sp<sksg::GeometryNode>> ShapeBuilder::AttachRoundGeometryEffect(
  43         const skjson::ObjectValue& jround, const AnimationBuilder* abuilder,
  44         std::vector<sk_sp<sksg::GeometryNode>>&& geos) {
  45     std::vector<sk_sp<sksg::GeometryNode>> rounded;
  46     rounded.reserve(geos.size());
  47
  48     for (auto& g : geos) {
  49         rounded.push_back(
  50             abuilder->attachDiscardableAdapter<RoundCornersAdapter>
  51                         (jround, *abuilder, std::move(g)));
  52     }
  53
  54     return rounded;
  55 }
  56
  57 } // namespace internal
  58 } // namespace skottie