Initial SVG model

experimental/svg/model/SkSVGTransformableNode.cpp

Index: experimental/svg/model/SkSVGTransformableNode.cpp
diff --git a/experimental/svg/model/SkSVGTransformableNode.cpp b/experimental/svg/model/SkSVGTransformableNode.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1af89d8c73ecdc34afc61b793a27830d69dca117
--- /dev/null
+++ b/experimental/svg/model/SkSVGTransformableNode.cpp
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkSVGTransformableNode.h"
+#include "SkSVGValue.h"
+
+SkSVGTransformableNode::SkSVGTransformableNode(SkSVGTag tag)
+    : INHERITED(tag)
+    , fMatrix(SkMatrix::I()) { }
+
+void SkSVGTransformableNode::onSetAttribute(SkSVGAttribute attr, const SkSVGValue& v) {
+    switch (attr) {
+    case SkSVGAttribute::transform:
+        if (const auto* transform = v.as<SkSVGTransformValue>()) {
+            this->setTransform(*transform);
+        }
+        break;
+    default:
+        this->INHERITED::onSetAttribute(attr, v);
+        break;
+    }
+}