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/*
* Copyright (C) 2020 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 USE(CG)
#include "ImageBufferBackend.h"
#include <wtf/Forward.h>
typedef struct CGImage* CGImageRef;
namespace WebCore {
class WEBCORE_EXPORT ImageBufferCGBackend : public ImageBufferBackend {
public:
static unsigned calculateBytesPerRow(const IntSize& backendSize);
static constexpr bool isOriginAtBottomLeftCorner = true;
protected:
using ImageBufferBackend::ImageBufferBackend;
void clipToMask(GraphicsContext&, const FloatRect& destRect) override;
String toDataURL(const String& mimeType, std::optional<double> quality, PreserveResolution) const override;
Vector<uint8_t> toData(const String& mimeType, std::optional<double> quality) const override;
std::unique_ptr<ThreadSafeImageBufferFlusher> createFlusher() override;
bool originAtBottomLeftCorner() const override;
static RetainPtr<CGColorSpaceRef> contextColorSpace(const GraphicsContext&);
virtual RetainPtr<CGImageRef> copyCGImageForEncoding(CFStringRef destinationUTI, PreserveResolution) const;
};
} // namespace WebCore
#endif // USE(CG)