chromium/third_party/blink/renderer/core/animation/interpolable_shadow.h

// Copyright 2019 The Chromium Authors
// 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_INTERPOLABLE_SHADOW_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_INTERPOLABLE_SHADOW_H_

#include "base/notreached.h"
#include "third_party/blink/renderer/core/animation/interpolable_color.h"
#include "third_party/blink/renderer/core/animation/interpolable_length.h"
#include "third_party/blink/renderer/core/animation/interpolable_value.h"
#include "third_party/blink/renderer/core/animation/interpolation_value.h"
#include "third_party/blink/renderer/core/animation/pairwise_interpolation_value.h"
#include "third_party/blink/renderer/core/style/shadow_data.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"

namespace blink {

class CSSValue;
class StyleResolverState;
class UnderlyingValue;

// Represents a CSS shadow value (such as [0] or [1]), converted into a form
// that can be interpolated from/to.
//
// [0]: https://drafts.csswg.org/css-backgrounds-3/#typedef-shadow
// [1]: https://drafts.fxtf.org/filter-effects/#funcdef-filter-drop-shadow
class InterpolableShadow : public InterpolableValue { … };

template <>
struct DowncastTraits<InterpolableShadow> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_INTERPOLABLE_SHADOW_H_