| /* |
| * Copyright 2019 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "modules/skottie/src/effects/Effects.h" |
| |
| #include "modules/skottie/src/Adapter.h" |
| #include "modules/skottie/src/SkottieValue.h" |
| #include "modules/sksg/include/SkSGColorFilter.h" |
| #include "modules/sksg/include/SkSGPaint.h" |
| #include "src/utils/SkJSON.h" |
| |
| namespace skottie { |
| namespace internal { |
| |
| namespace { |
| |
| class FillAdapter final : public AnimatablePropertyContainer { |
| public: |
| static sk_sp<FillAdapter> Make(const skjson::ArrayValue& jprops, |
| sk_sp<sksg::RenderNode> layer, |
| const AnimationBuilder& abuilder) { |
| return sk_sp<FillAdapter>(new FillAdapter(jprops, std::move(layer), abuilder)); |
| } |
| |
| const auto& node() const { return fFilterNode; } |
| |
| private: |
| FillAdapter(const skjson::ArrayValue& jprops, |
| sk_sp<sksg::RenderNode> layer, |
| const AnimationBuilder& abuilder) |
| : fColorNode(sksg::Color::Make(SK_ColorBLACK)) |
| , fFilterNode(sksg::ModeColorFilter::Make(std::move(layer), |
| fColorNode, |
| SkBlendMode::kSrcIn)) { |
| enum : size_t { |
| // kFillMask_Index = 0, |
| // kAllMasks_Index = 1, |
| kColor_Index = 2, |
| // kInvert_Index = 3, |
| // kHFeather_Index = 4, |
| // kVFeather_Index = 5, |
| kOpacity_Index = 6, |
| }; |
| |
| EffectBinder(jprops, abuilder, this) |
| .bind( kColor_Index, fColor ) |
| .bind(kOpacity_Index, fOpacity); |
| |
| abuilder.dispatchColorProperty(fColorNode); |
| } |
| |
| void onSync() override { |
| const auto c = ValueTraits<VectorValue>::As<SkColor>(fColor); |
| const auto a = |
| sk_float_round2int_no_saturate(SkColorGetA(c) * SkTPin(fOpacity, 0.0f, 1.0f)); |
| fColorNode->setColor(SkColorSetA(c, a)); |
| } |
| |
| const sk_sp<sksg::Color> fColorNode; |
| const sk_sp<sksg::ModeColorFilter> fFilterNode; |
| |
| VectorValue fColor; |
| ScalarValue fOpacity = 1; |
| }; |
| |
| } // namespace |
| |
| sk_sp<sksg::RenderNode> EffectBuilder::attachFillEffect(const skjson::ArrayValue& jprops, |
| sk_sp<sksg::RenderNode> layer) const { |
| return fBuilder->attachDiscardableAdapter<FillAdapter>(jprops, std::move(layer), *fBuilder); |
| } |
| |
| } // namespace internal |
| } // namespace skottie |