blob: 709bee45a75d884586133d06ffecf16c6f1fade8 [file] [log] [blame]
/*
* 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
#include "Color.h"
#include <wtf/Optional.h>
namespace WebCore {
struct CompositionHighlight {
CompositionHighlight() = default;
CompositionHighlight(unsigned startOffset, unsigned endOffset, const Color& c)
: startOffset(startOffset)
, endOffset(endOffset)
, color(c)
{
}
unsigned startOffset { 0 };
unsigned endOffset { 0 };
Color color { Color::compositionFill };
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<CompositionHighlight> decode(Decoder&);
};
template<class Encoder>
void CompositionHighlight::encode(Encoder& encoder) const
{
encoder << startOffset;
encoder << endOffset;
encoder << color;
}
template<class Decoder>
Optional<CompositionHighlight> CompositionHighlight::decode(Decoder& decoder)
{
Optional<unsigned> startOffset;
decoder >> startOffset;
if (!startOffset)
return WTF::nullopt;
Optional<unsigned> endOffset;
decoder >> endOffset;
if (!endOffset)
return WTF::nullopt;
Optional<Color> color;
decoder >> color;
if (!color)
return WTF::nullopt;
return {{ *startOffset, *endOffset, *color }};
}
} // namespace WebCore