Web Animations: Migrate SVG Rect interpolation to interpolation types

third_party/WebKit/Source/core/animation/SVGRectInterpolationType.cpp

Index: third_party/WebKit/Source/core/animation/SVGRectInterpolationType.cpp
diff --git a/third_party/WebKit/Source/core/animation/SVGRectInterpolationType.cpp b/third_party/WebKit/Source/core/animation/SVGRectInterpolationType.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..2cbcc240708305b1a8f530cce960f5deb28f0bf7
--- /dev/null
+++ b/third_party/WebKit/Source/core/animation/SVGRectInterpolationType.cpp
@@ -0,0 +1,46 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+#include "config.h"
+#include "core/animation/SVGRectInterpolationType.h"
+
+#include "core/animation/InterpolationEnvironment.h"
+#include "core/animation/StringKeyframe.h"
+#include "core/svg/SVGRect.h"
+#include "wtf/StdLibExtras.h"
+
+namespace blink {
+
+PassOwnPtr<InterpolationValue> SVGRectInterpolationType::maybeConvertNeutral() const
+{
+    return InterpolationValue::create(*this, InterpolableNumber::create(0));

[alancutter (OOO until 2018), 2015/11/03 04:41:44]

This is not compatible with the output of maybeConvertSVGValue() or
appliedSVGValue().
You should add a composition test that has a neutral keyframe.

[nainar, 2015/11/03 06:37:47]

Done.

+}
+
+PassOwnPtr<InterpolationValue> SVGRectInterpolationType::maybeConvertSVGValue(const SVGPropertyBase& svgValue) const
+{
+    const SVGRect& rect = toSVGRect(svgValue);
+    float element[] = { rect.x(), rect.y(), rect.width(), rect.height() };
+    OwnPtr<InterpolableList> result = InterpolableList::create(WTF_ARRAY_LENGTH(element));
+    for (size_t i = 0; i < WTF_ARRAY_LENGTH(element); i++) {
+        result->set(i, InterpolableNumber::create(element[i]));
+    }
+    return InterpolationValue::create(*this, result.release());
+}
+
+PassOwnPtr<InterpolationValue> SVGRectInterpolationType::maybeConvertUnderlyingValue(const InterpolationEnvironment& environment) const
+{
+    return maybeConvertSVGValue(environment.svgBaseValue());
+}
+
+RefPtrWillBeRawPtr<SVGPropertyBase> SVGRectInterpolationType::appliedSVGValue(const InterpolableValue& interpolableValue, const NonInterpolableValue*) const
+{
+    const InterpolableList& list = toInterpolableList(interpolableValue);
+    RefPtrWillBeRawPtr<SVGRect> result = SVGRect::create();
+    result->setX(toInterpolableNumber(list.get(0))->value());
+    result->setY(toInterpolableNumber(list.get(1))->value());
+    result->setWidth(toInterpolableNumber(list.get(2))->value());
+    result->setHeight(toInterpolableNumber(list.get(3))->value());
+    return result;
+}
+
+} // namespace blink