1 files changed, 164 insertions, 0 deletions
diff --git a/experimental/skottie/SkottieAdapter.h b/experimental/skottie/SkottieAdapter.h
new file mode 100644
index 0000000000..e96c616fcf
--- /dev/null
+++ b/experimental/skottie/SkottieAdapter.h
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkottieAdapter_DEFINED
+#define SkottieAdapter_DEFINED
+
+#include "SkPoint.h"
+#include "SkRefCnt.h"
+#include "SkSize.h"
+
+#include <vector>
+
+namespace sksg {
+
+class Gradient;
+class LinearGradient;
+class Matrix;
+class Path;
+class RadialGradient;
+class RRect;
+class TrimEffect;
+
+};
+
+namespace skottie {
+
+#define ADAPTER_PROPERTY(p_name, p_type, p_default) \
+    void set##p_name(const p_type& p) {             \
+        if (p == f##p_name) return;                 \
+        f##p_name = p;                              \
+        this->apply();                              \
+    }                                               \
+  private:                                          \
+    p_type f##p_name = p_default;                   \
+  public:
+
+class RRectAdapter final : public SkRefCnt {
+public:
+    explicit RRectAdapter(sk_sp<sksg::RRect>);
+
+    ADAPTER_PROPERTY(Position, SkPoint , SkPoint::Make(0, 0))
+    ADAPTER_PROPERTY(Size    , SkSize  ,  SkSize::Make(0, 0))
+    ADAPTER_PROPERTY(Radius  , SkSize  ,  SkSize::Make(0, 0))
+
+private:
+    void apply();
+
+    sk_sp<sksg::RRect> fRRectNode;
+
+    using INHERITED = SkRefCnt;
+};
+
+class PolyStarAdapter final : public SkRefCnt {
+public:
+    enum class Type {
+        kStar, kPoly,
+    };
+
+    PolyStarAdapter(sk_sp<sksg::Path>, Type);
+
+    ADAPTER_PROPERTY(Position      , SkPoint , SkPoint::Make(0, 0))
+    ADAPTER_PROPERTY(PointCount    , SkScalar, 0)
+    ADAPTER_PROPERTY(InnerRadius   , SkScalar, 0)
+    ADAPTER_PROPERTY(OuterRadius   , SkScalar, 0)
+    ADAPTER_PROPERTY(InnerRoundness, SkScalar, 0)
+    ADAPTER_PROPERTY(OuterRoundness, SkScalar, 0)
+    ADAPTER_PROPERTY(Rotation      , SkScalar, 0)
+
+private:
+    void apply();
+
+    sk_sp<sksg::Path> fPathNode;
+    Type              fType;
+
+    using INHERITED = SkRefCnt;
+};
+
+class TransformAdapter final : public SkRefCnt {
+public:
+    explicit TransformAdapter(sk_sp<sksg::Matrix>);
+
+    ADAPTER_PROPERTY(AnchorPoint, SkPoint , SkPoint::Make(0, 0))
+    ADAPTER_PROPERTY(Position   , SkPoint , SkPoint::Make(0, 0))
+    ADAPTER_PROPERTY(Scale      , SkVector, SkPoint::Make(100, 100))
+    ADAPTER_PROPERTY(Rotation   , SkScalar, 0)
+    ADAPTER_PROPERTY(Skew       , SkScalar, 0)
+    ADAPTER_PROPERTY(SkewAxis   , SkScalar, 0)
+
+private:
+    void apply();
+
+    sk_sp<sksg::Matrix> fMatrixNode;
+
+    using INHERITED = SkRefCnt;
+};
+
+class GradientAdapter : public SkRefCnt {
+public:
+    ADAPTER_PROPERTY(StartPoint, SkPoint              , SkPoint::Make(0, 0)    )
+    ADAPTER_PROPERTY(EndPoint  , SkPoint              , SkPoint::Make(0, 0)    )
+    ADAPTER_PROPERTY(ColorStops, std::vector<SkScalar>, std::vector<SkScalar>())
+
+protected:
+    GradientAdapter(sk_sp<sksg::Gradient>, size_t stopCount);
+
+    const SkPoint& startPoint() const { return fStartPoint; }
+    const SkPoint& endPoint()   const { return fEndPoint;   }
+
+    sk_sp<sksg::Gradient> fGradient;
+    size_t                fStopCount;
+
+    virtual void onApply() = 0;
+
+private:
+    void apply();
+
+    using INHERITED = SkRefCnt;
+};
+
+class LinearGradientAdapter final : public GradientAdapter {
+public:
+    LinearGradientAdapter(sk_sp<sksg::LinearGradient>, size_t stopCount);
+
+private:
+    void onApply() override;
+
+    using INHERITED = GradientAdapter;
+};
+
+class RadialGradientAdapter final : public GradientAdapter {
+public:
+    RadialGradientAdapter(sk_sp<sksg::RadialGradient>, size_t stopCount);
+
+private:
+    void onApply() override;
+
+    using INHERITED = GradientAdapter;
+};
+
+class TrimEffectAdapter final : public SkRefCnt {
+public:
+    explicit TrimEffectAdapter(sk_sp<sksg::TrimEffect>);
+
+    ADAPTER_PROPERTY(Start , SkScalar,   0)
+    ADAPTER_PROPERTY(End   , SkScalar, 100)
+    ADAPTER_PROPERTY(Offset, SkScalar,   0)
+
+private:
+    void apply();
+
+    sk_sp<sksg::TrimEffect> fTrimEffect;
+
+    using INHERITED = SkRefCnt;
+};
+
+#undef ADAPTER_PROPERTY
+
+} // namespace skottie
+
+#endif // SkottieAdapter_DEFINED