/* * 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