1 /*
2 * Copyright 2019 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/SkBlendMode.h"
9 #include "include/core/SkColor.h"
10 #include "include/core/SkRefCnt.h"
11 #include "include/private/base/SkTPin.h"
12 #include "modules/skottie/src/SkottiePriv.h"
13 #include "modules/skottie/src/SkottieValue.h"
14 #include "modules/skottie/src/animator/Animator.h"
15 #include "modules/skottie/src/effects/Effects.h"
16 #include "modules/sksg/include/SkSGColorFilter.h"
17 #include "modules/sksg/include/SkSGPaint.h"
18 #include "modules/sksg/include/SkSGRenderNode.h"
19
20 #include <cstddef>
21 #include <utility>
22
23 namespace skjson {
24 class ArrayValue;
25 }
26
27 namespace skottie {
28 namespace internal {
29
30 namespace {
31
32 class FillAdapter final : public AnimatablePropertyContainer {
33 public:
Make(const skjson::ArrayValue & jprops,sk_sp<sksg::RenderNode> layer,const AnimationBuilder & abuilder)34 static sk_sp<FillAdapter> Make(const skjson::ArrayValue& jprops,
35 sk_sp<sksg::RenderNode> layer,
36 const AnimationBuilder& abuilder) {
37 return sk_sp<FillAdapter>(new FillAdapter(jprops, std::move(layer), abuilder));
38 }
39
node() const40 const auto& node() const { return fFilterNode; }
41
42 private:
FillAdapter(const skjson::ArrayValue & jprops,sk_sp<sksg::RenderNode> layer,const AnimationBuilder & abuilder)43 FillAdapter(const skjson::ArrayValue& jprops,
44 sk_sp<sksg::RenderNode> layer,
45 const AnimationBuilder& abuilder)
46 : fColorNode(sksg::Color::Make(SK_ColorBLACK))
47 , fFilterNode(sksg::ModeColorFilter::Make(std::move(layer),
48 fColorNode,
49 SkBlendMode::kSrcIn)) {
50 enum : size_t {
51 // kFillMask_Index = 0,
52 // kAllMasks_Index = 1,
53 kColor_Index = 2,
54 // kInvert_Index = 3,
55 // kHFeather_Index = 4,
56 // kVFeather_Index = 5,
57 kOpacity_Index = 6,
58 };
59
60 EffectBinder(jprops, abuilder, this)
61 .bind( kColor_Index, fColor )
62 .bind(kOpacity_Index, fOpacity);
63 abuilder.dispatchColorProperty(fColorNode);
64 }
65
onSync()66 void onSync() override {
67 auto c = static_cast<SkColor4f>(fColor);
68 c.fA = SkTPin(fOpacity, 0.0f, 1.0f);
69
70 fColorNode->setColor(c.toSkColor());
71 }
72
73 const sk_sp<sksg::Color> fColorNode;
74 const sk_sp<sksg::ModeColorFilter> fFilterNode;
75
76 ColorValue fColor;
77 ScalarValue fOpacity = 1;
78 };
79
80 } // namespace
81
attachFillEffect(const skjson::ArrayValue & jprops,sk_sp<sksg::RenderNode> layer) const82 sk_sp<sksg::RenderNode> EffectBuilder::attachFillEffect(const skjson::ArrayValue& jprops,
83 sk_sp<sksg::RenderNode> layer) const {
84 return fBuilder->attachDiscardableAdapter<FillAdapter>(jprops, std::move(layer), *fBuilder);
85 }
86
87 } // namespace internal
88 } // namespace skottie
89