[sksg] Simplify TrimEffect

Move the Lottie-specific bits to Skottie and keep TrimEffect as a thin
SkTrimPathEffect wrapper.

TBR=

Change-Id: Iecc6624d01ba61eb96a2056ef8e9e24e731f8979
Reviewed-on: https://skia-review.googlesource.com/115923
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>

1 files changed, 17 insertions, 0 deletions

diff --git a/experimental/skottie/SkottieProperties.h b/experimental/skottie/SkottieProperties.h
index 8ca026eaeb..5e3fad0d9a 100644
--- a/experimental/skottie/SkottieProperties.h
+++ b/experimental/skottie/SkottieProperties.h
@@ -28,6 +28,7 @@ class Path;
 class RadialGradient;
 class RRect;
 class RenderNode;;
+class TrimEffect;
 }
 
 namespace Json { class Value; }
@@ -161,6 +162,22 @@ private:
     using INHERITED = CompositeGradient;
 };
 
+class CompositeTrimEffect final : public SkRefCnt {
+public:
+    explicit CompositeTrimEffect(sk_sp<sksg::TrimEffect>);
+
+    COMPOSITE_PROPERTY(Start , SkScalar,   0)
+    COMPOSITE_PROPERTY(End   , SkScalar, 100)
+    COMPOSITE_PROPERTY(Offset, SkScalar,   0)
+
+private:
+    void apply();
+
+    sk_sp<sksg::TrimEffect> fTrimEffect;
+
+    using INHERITED = SkRefCnt;
+};
+
 #undef COMPOSITE_PROPERTY
 
 } // namespace skottie