| /* |
| * 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 TritoneAdapter final : public AnimatablePropertyContainer { |
| public: |
| static sk_sp<TritoneAdapter> Make(const skjson::ArrayValue& jprops, |
| sk_sp<sksg::RenderNode> layer, |
| const AnimationBuilder& abuilder) { |
| return sk_sp<TritoneAdapter>(new TritoneAdapter(jprops, std::move(layer), abuilder)); |
| } |
| |
| const auto& node() const { return fCF; } |
| |
| private: |
| TritoneAdapter(const skjson::ArrayValue& jprops, |
| sk_sp<sksg::RenderNode> layer, |
| const AnimationBuilder& abuilder) |
| : fLoColorNode(sksg::Color::Make(SK_ColorBLACK)) |
| , fMiColorNode(sksg::Color::Make(SK_ColorBLACK)) |
| , fHiColorNode(sksg::Color::Make(SK_ColorBLACK)) |
| , fCF(sksg::GradientColorFilter::Make(std::move(layer), |
| { fLoColorNode, fMiColorNode, fHiColorNode })) { |
| enum : size_t { |
| kHiColor_Index = 0, |
| kMiColor_Index = 1, |
| kLoColor_Index = 2, |
| kBlendAmount_Index = 3, |
| }; |
| |
| EffectBinder(jprops, abuilder, this) |
| .bind( kHiColor_Index, fHiColor) |
| .bind( kMiColor_Index, fMiColor) |
| .bind( kLoColor_Index, fLoColor) |
| .bind(kBlendAmount_Index, fWeight ); |
| } |
| |
| void onSync() override { |
| fLoColorNode->setColor(fLoColor); |
| fMiColorNode->setColor(fMiColor); |
| fHiColorNode->setColor(fHiColor); |
| |
| // 100-based, inverted |
| fCF->setWeight((100 - fWeight) / 100); |
| } |
| |
| const sk_sp<sksg::Color> fLoColorNode, |
| fMiColorNode, |
| fHiColorNode; |
| const sk_sp<sksg::GradientColorFilter> fCF; |
| |
| VectorValue fLoColor, |
| fMiColor, |
| fHiColor; |
| ScalarValue fWeight = 0; |
| }; |
| |
| } // namespace |
| |
| sk_sp<sksg::RenderNode> EffectBuilder::attachTritoneEffect(const skjson::ArrayValue& jprops, |
| sk_sp<sksg::RenderNode> layer) const { |
| return fBuilder->attachDiscardableAdapter<TritoneAdapter>(jprops, std::move(layer), *fBuilder); |
| } |
| |
| } // namespace internal |
| } // namespace skottie |