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// 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_SHADOW_INTERPOLATION_FUNCTIONS_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_SHADOW_INTERPOLATION_FUNCTIONS_H_
#include <memory>
#include "third_party/blink/renderer/core/animation/interpolation_value.h"
#include "third_party/blink/renderer/core/animation/pairwise_interpolation_value.h"
namespace blink {
class ShadowData;
class CSSValue;
class StyleResolverState;
class ShadowInterpolationFunctions {
public:
static InterpolationValue ConvertShadowData(const ShadowData&, double zoom);
static InterpolationValue MaybeConvertCSSValue(const CSSValue&);
static std::unique_ptr<InterpolableValue> CreateNeutralInterpolableValue();
static bool NonInterpolableValuesAreCompatible(const NonInterpolableValue*,
const NonInterpolableValue*);
static PairwiseInterpolationValue MaybeMergeSingles(
InterpolationValue&& start,
InterpolationValue&& end);
static void Composite(std::unique_ptr<InterpolableValue>&,
scoped_refptr<NonInterpolableValue>&,
double underlying_fraction,
const InterpolableValue&,
const NonInterpolableValue*);
static ShadowData CreateShadowData(const InterpolableValue&,
const NonInterpolableValue*,
const StyleResolverState&);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_SHADOW_INTERPOLATION_FUNCTIONS_H_
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