File: NativeImage.cpp

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/*
 * Copyright (C) 2020-2023 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.
 *
 * 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.
 */

#include "config.h"
#include "NativeImage.h"

#if USE(SKIA)
#include "GLFence.h"
#endif

#include <wtf/TZoneMallocInlines.h>

namespace WebCore {

WTF_MAKE_TZONE_ALLOCATED_IMPL(NativeImage);

NativeImageBackend::NativeImageBackend() = default;

NativeImageBackend::~NativeImageBackend() = default;

bool NativeImageBackend::isRemoteNativeImageBackendProxy() const
{
    return false;
}

PlatformImageNativeImageBackend::~PlatformImageNativeImageBackend() = default;

const PlatformImagePtr& PlatformImageNativeImageBackend::platformImage() const
{
    return m_platformImage;
}

PlatformImageNativeImageBackend::PlatformImageNativeImageBackend(PlatformImagePtr platformImage)
    : m_platformImage(WTFMove(platformImage))
{
}

#if !USE(CG)
RefPtr<NativeImage> NativeImage::create(PlatformImagePtr&& platformImage, RenderingResourceIdentifier identifier)
{
    if (!platformImage)
        return nullptr;
    UniqueRef<PlatformImageNativeImageBackend> backend { *new PlatformImageNativeImageBackend(WTFMove(platformImage)) };
    return adoptRef(*new NativeImage(WTFMove(backend), identifier));
}

RefPtr<NativeImage> NativeImage::createTransient(PlatformImagePtr&& image, RenderingResourceIdentifier identifier)
{
    return create(WTFMove(image), identifier);
}
#endif

NativeImage::NativeImage(UniqueRef<NativeImageBackend> backend, RenderingResourceIdentifier renderingResourceIdentifier)
    : RenderingResource(renderingResourceIdentifier)
    , m_backend(WTFMove(backend))
{
}

NativeImage::~NativeImage() = default;

const PlatformImagePtr& NativeImage::platformImage() const
{
    return m_backend->platformImage();
}

IntSize NativeImage::size() const
{
    return m_backend->size();
}

bool NativeImage::hasAlpha() const
{
    return m_backend->hasAlpha();
}

DestinationColorSpace NativeImage::colorSpace() const
{
    return m_backend->colorSpace();
}

Headroom NativeImage::headroom() const
{
    return m_backend->headroom();
}

void NativeImage::replaceBackend(UniqueRef<NativeImageBackend> backend)
{
    m_backend = WTFMove(backend);
}

} // namespace WebCore