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 * Copyright (C) 2008-2023 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.
 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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
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 */

#pragma once

#include "ByteArrayPixelBuffer.h"
#include "ImageDataArray.h"
#include "ImageDataSettings.h"
#include "IntSize.h"
#include "PredefinedColorSpace.h"
#include <JavaScriptCore/Forward.h>
#include <wtf/Forward.h>

namespace WebCore {

template<typename> class ExceptionOr;

class ImageData : public RefCounted<ImageData> {
public:
    WEBCORE_EXPORT static Ref<ImageData> create(Ref<ByteArrayPixelBuffer>&&, std::optional<ImageDataStorageFormat> = { });
    WEBCORE_EXPORT static RefPtr<ImageData> create(RefPtr<ByteArrayPixelBuffer>&&, std::optional<ImageDataStorageFormat> = { });
    WEBCORE_EXPORT static RefPtr<ImageData> create(const IntSize&, PredefinedColorSpace, ImageDataStorageFormat = ImageDataStorageFormat::Uint8);
    WEBCORE_EXPORT static RefPtr<ImageData> create(const IntSize&, ImageDataArray&&, PredefinedColorSpace);

    WEBCORE_EXPORT static ExceptionOr<Ref<ImageData>> create(unsigned sw, unsigned sh, PredefinedColorSpace defaultColorSpace, std::optional<ImageDataSettings> = std::nullopt, std::span<const uint8_t> = { });
    WEBCORE_EXPORT static ExceptionOr<Ref<ImageData>> create(unsigned sw, unsigned sh, std::optional<ImageDataSettings>);
    WEBCORE_EXPORT static ExceptionOr<Ref<ImageData>> create(ImageDataArray&&, unsigned sw, std::optional<unsigned> sh, std::optional<ImageDataSettings>);

    WEBCORE_EXPORT ~ImageData();

    static PredefinedColorSpace computeColorSpace(std::optional<ImageDataSettings>, PredefinedColorSpace defaultColorSpace = PredefinedColorSpace::SRGB);

    const IntSize& size() const { return m_size; }

    int width() const { return m_size.width(); }
    int height() const { return m_size.height(); }
    const ImageDataArray& data() const { return m_data; }
    PredefinedColorSpace colorSpace() const { return m_colorSpace; }
    ImageDataStorageFormat storageFormat() const { return m_data.storageFormat(); }

    Ref<ByteArrayPixelBuffer> byteArrayPixelBuffer() const;

private:
    explicit ImageData(const IntSize&, ImageDataArray&&, PredefinedColorSpace);
    explicit ImageData(const IntSize&, ImageDataArray&&, PredefinedColorSpace, std::optional<ImageDataStorageFormat>);

    IntSize m_size;
    ImageDataArray m_data;
    PredefinedColorSpace m_colorSpace;
};

WEBCORE_EXPORT TextStream& operator<<(TextStream&, const ImageData&);

} // namespace WebCore
