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

// Copyright 2015 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_NON_INTERPOLABLE_VALUE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_NON_INTERPOLABLE_VALUE_H_

#include "third_party/blink/renderer/platform/wtf/ref_counted.h"

namespace blink {

// Represents components of a PropertySpecificKeyframe's value that either do
// not change or 50% flip when interpolating with an adjacent value.
class NonInterpolableValue : public RefCounted<NonInterpolableValue> { … };

// These macros provide safe downcasts of NonInterpolableValue subclasses with
// debug assertions.
// See CSSDefaultInterpolationType.cpp for example usage.
#define DECLARE_NON_INTERPOLABLE_VALUE_TYPE() …

#define DEFINE_NON_INTERPOLABLE_VALUE_TYPE(T) …

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_NON_INTERPOLABLE_VALUE_H_