1 files changed, 74 insertions, 0 deletions
diff --git a/experimental/skottie/SkottieValue.cpp b/experimental/skottie/SkottieValue.cpp
new file mode 100644
index 0000000000..386c8ab623
--- /dev/null
+++ b/experimental/skottie/SkottieValue.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkottieValue.h"
+
+#include "SkColor.h"
+#include "SkPoint.h"
+#include "SkSize.h"
+
+namespace  skottie {
+
+template <>
+size_t ValueTraits<ScalarValue>::Cardinality(const ScalarValue&) {
+    return 1;
+}
+
+template <>
+template <>
+SkScalar ValueTraits<ScalarValue>::As<SkScalar>(const ScalarValue& v) {
+    return v;
+}
+
+template <>
+size_t ValueTraits<VectorValue>::Cardinality(const VectorValue& vec) {
+    return vec.size();
+}
+
+template <>
+template <>
+SkColor ValueTraits<VectorValue>::As<SkColor>(const VectorValue& v) {
+    // best effort to turn this into a color
+    const auto r = v.size() > 0 ? v[0] : 0,
+               g = v.size() > 1 ? v[1] : 0,
+               b = v.size() > 2 ? v[2] : 0,
+               a = v.size() > 3 ? v[3] : 1;
+
+    return SkColorSetARGB(SkTPin<SkScalar>(a, 0, 1) * 255,
+                          SkTPin<SkScalar>(r, 0, 1) * 255,
+                          SkTPin<SkScalar>(g, 0, 1) * 255,
+                          SkTPin<SkScalar>(b, 0, 1) * 255);
+}
+
+template <>
+template <>
+SkPoint ValueTraits<VectorValue>::As<SkPoint>(const VectorValue& vec) {
+    // best effort to turn this into a point
+    const auto x = vec.size() > 0 ? vec[0] : 0,
+               y = vec.size() > 1 ? vec[1] : 0;
+    return SkPoint::Make(x, y);
+}
+
+template <>
+template <>
+SkSize ValueTraits<VectorValue>::As<SkSize>(const VectorValue& vec) {
+    const auto pt = ValueTraits::As<SkPoint>(vec);
+    return SkSize::Make(pt.x(), pt.y());
+}
+
+template <>
+size_t ValueTraits<ShapeValue>::Cardinality(const ShapeValue& path) {
+    return SkTo<size_t>(path.countVerbs());
+}
+
+template <>
+template <>
+SkPath ValueTraits<ShapeValue>::As<SkPath>(const ShapeValue& path) {
+    return path;
+}
+
+} // namespace skottie