SVG Web Animations: Add SVGIntegerOptionalIntegerInterpolationType

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

-// 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/IntegerOptionalIntegerSVGInterpolation.h"
-
-#include "core/SVGNames.h"
-
-namespace blink {
-
-namespace {
-
-// For order, the values must be integers greater than zero.
-// For filterRes, negative values are an error. Zero values disable rendering of the element which referenced the filter.
-PassRefPtrWillBeRawPtr<SVGInteger> toPositiveInteger(const InterpolableValue* number, int min)
-{
-    return SVGInteger::create(clampTo<int>(roundf(toInterpolableNumber(number)->value()), min));
-}
-
-} // namespace
-
-PassOwnPtr<InterpolableValue> IntegerOptionalIntegerSVGInterpolation::toInterpolableValue(SVGPropertyBase* value)
-{
-    RefPtrWillBeRawPtr<SVGIntegerOptionalInteger> integerOptionalInteger = toSVGIntegerOptionalInteger(value);
-    OwnPtr<InterpolableList> result = InterpolableList::create(2);
-    result->set(0, InterpolableNumber::create(integerOptionalInteger->firstInteger()->value()));
-    result->set(1, InterpolableNumber::create(integerOptionalInteger->secondInteger()->value()));
-    return result.release();
-}
-
-PassRefPtrWillBeRawPtr<SVGIntegerOptionalInteger> IntegerOptionalIntegerSVGInterpolation::fromInterpolableValue(const InterpolableValue& value, int min)
-{
-    const InterpolableList& list = toInterpolableList(value);
-    return SVGIntegerOptionalInteger::create(
-        toPositiveInteger(list.get(0), min),
-        toPositiveInteger(list.get(1), min));
-}
-
-}