chromium/third_party/blink/renderer/platform/animation/timing_function.h

/*
 * Copyright (C) 2000 Lars Knoll ([email protected])
 *           (C) 2000 Antti Koivisto ([email protected])
 *           (C) 2000 Dirk Mueller ([email protected])
 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2006 Graham Dennis ([email protected])
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_TIMING_FUNCTION_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_TIMING_FUNCTION_H_

#include <vector>
#include "base/check_op.h"
#include "base/memory/scoped_refptr.h"
#include "base/notreached.h"
#include "base/ranges/algorithm.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
#include "third_party/blink/renderer/platform/wtf/std_lib_extras.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "third_party/blink/renderer/platform/wtf/thread_safe_ref_counted.h"
#include "ui/gfx/animation/keyframe/timing_function.h"

namespace blink {

class PLATFORM_EXPORT TimingFunction
    : public ThreadSafeRefCounted<TimingFunction> { … };

class PLATFORM_EXPORT LinearTimingFunction final : public TimingFunction { … };

class PLATFORM_EXPORT CubicBezierTimingFunction final : public TimingFunction { … };

class PLATFORM_EXPORT StepsTimingFunction final : public TimingFunction { … };

PLATFORM_EXPORT scoped_refptr<TimingFunction>
CreateCompositorTimingFunctionFromCC(const gfx::TimingFunction*);

PLATFORM_EXPORT bool operator==(const LinearTimingFunction&,
                                const TimingFunction&);
PLATFORM_EXPORT bool operator==(const CubicBezierTimingFunction&,
                                const TimingFunction&);
PLATFORM_EXPORT bool operator==(const StepsTimingFunction&,
                                const TimingFunction&);

PLATFORM_EXPORT bool operator==(const TimingFunction&, const TimingFunction&);
PLATFORM_EXPORT bool operator!=(const TimingFunction&, const TimingFunction&);

template <>
struct DowncastTraits<LinearTimingFunction> { … };
template <>
struct DowncastTraits<CubicBezierTimingFunction> { … };
template <>
struct DowncastTraits<StepsTimingFunction> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_TIMING_FUNCTION_H_