/*
 * Copyright (C) 2026 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#if PLATFORM(COCOA)

#include <WebCore/GainMap.h>
#include <WebCore/PlatformImage.h>
#include <WebCore/ShareableCVPixelBuffer.h>

namespace WebCore {

class ShareableGainMap {
public:
    WEBCORE_EXPORT static std::optional<ShareableGainMap> create(const std::optional<GainMap>&);
    WEBCORE_EXPORT static std::optional<ShareableGainMap> create(RetainPtr<CFDataRef>&& metadata, Ref<ShareableCVPixelBuffer>&& gainMapShareablePixelBuffer, std::optional<DestinationColorSpace>);

    WEBCORE_EXPORT PlatformImagePtr applyGainMapToBaseImage(PlatformImagePtr) const;

private:
    friend struct IPC::ArgumentCoder<ShareableGainMap>;

    ShareableGainMap(RetainPtr<CFDataRef>&& metadata, Ref<ShareableCVPixelBuffer>&& gainMapShareablePixelBuffer, std::optional<DestinationColorSpace>);

    RetainPtr<CFDataRef> m_metadata;
    Ref<ShareableCVPixelBuffer> m_gainMapShareablePixelBuffer;
    std::optional<DestinationColorSpace> m_colorSpace;
};

} // namespace WebCore

#endif
