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/*
* Copyright (C) 2010-2022 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. 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 DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS 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
#include "APIObject.h"
#include "ImageOptions.h"
#include <WebCore/ShareableBitmap.h>
#include <wtf/Ref.h>
namespace WebCore {
class ChromeClient;
class GraphicsContext;
class ImageBuffer;
class IntSize;
class NativeImage;
struct ImageBufferParameters;
}
namespace WebKit {
// WebImage - An image type suitable for vending to an API.
class WebImage final : public API::ObjectImpl<API::Object::Type::Image> {
public:
using ParametersAndHandle = std::pair<WebCore::ImageBufferParameters, WebCore::ShareableBitmap::Handle>;
static Ref<WebImage> create(const WebCore::IntSize&, ImageOptions, const WebCore::DestinationColorSpace&, WebCore::ChromeClient* = nullptr);
static Ref<WebImage> create(std::optional<ParametersAndHandle>&&);
static Ref<WebImage> create(Ref<WebCore::ImageBuffer>&&);
static Ref<WebImage> createEmpty();
virtual ~WebImage();
WebCore::IntSize size() const;
const WebCore::ImageBufferParameters* parameters() const;
std::optional<ParametersAndHandle> parametersAndHandle() const;
bool isEmpty() const { return !m_buffer; }
WebCore::GraphicsContext* context() const;
RefPtr<WebCore::NativeImage> copyNativeImage(WebCore::BackingStoreCopy = WebCore::CopyBackingStore) const;
RefPtr<WebCore::ShareableBitmap> bitmap() const;
#if USE(CAIRO)
RefPtr<cairo_surface_t> createCairoSurface();
#endif
std::optional<WebCore::ShareableBitmap::Handle> createHandle(WebCore::SharedMemory::Protection = WebCore::SharedMemory::Protection::ReadWrite) const;
private:
WebImage(RefPtr<WebCore::ImageBuffer>&&);
RefPtr<WebCore::ImageBuffer> m_buffer;
};
} // namespace WebKit
SPECIALIZE_TYPE_TRAITS_BEGIN(WebKit::WebImage)
static bool isType(const API::Object& object) { return object.type() == API::Object::Type::Image; }
SPECIALIZE_TYPE_TRAITS_END()
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