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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. 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
#if ENABLE(INLINE_PATH_DATA)
#include "FloatPoint.h"
#include <wtf/Optional.h>
#include <wtf/Variant.h>
namespace WebCore {
struct LineData {
FloatPoint start;
FloatPoint end;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<LineData> decode(Decoder&);
};
struct ArcData {
FloatPoint offset;
FloatPoint center;
float radius { 0 };
float startAngle { 0 };
float endAngle { 0 };
bool clockwise { false };
bool hasOffset { false };
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<ArcData> decode(Decoder&);
};
struct MoveData {
FloatPoint location;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<MoveData> decode(Decoder&);
};
struct QuadCurveData {
FloatPoint startPoint;
FloatPoint controlPoint;
FloatPoint endPoint;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<QuadCurveData> decode(Decoder&);
};
struct BezierCurveData {
FloatPoint startPoint;
FloatPoint controlPoint1;
FloatPoint controlPoint2;
FloatPoint endPoint;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<BezierCurveData> decode(Decoder&);
};
template<class Encoder> void MoveData::encode(Encoder& encoder) const
{
encoder << location;
}
template<class Decoder> Optional<MoveData> MoveData::decode(Decoder& decoder)
{
MoveData data;
if (!decoder.decode(data.location))
return WTF::nullopt;
return data;
}
template<class Encoder> void LineData::encode(Encoder& encoder) const
{
encoder << start;
encoder << end;
}
template<class Decoder> Optional<LineData> LineData::decode(Decoder& decoder)
{
LineData data;
if (!decoder.decode(data.start))
return WTF::nullopt;
if (!decoder.decode(data.end))
return WTF::nullopt;
return data;
}
template<class Encoder> void ArcData::encode(Encoder& encoder) const
{
encoder << offset;
encoder << center;
encoder << radius;
encoder << startAngle;
encoder << endAngle;
encoder << clockwise;
encoder << hasOffset;
}
template<class Decoder> Optional<ArcData> ArcData::decode(Decoder& decoder)
{
ArcData data;
if (!decoder.decode(data.offset))
return WTF::nullopt;
if (!decoder.decode(data.center))
return WTF::nullopt;
if (!decoder.decode(data.radius))
return WTF::nullopt;
if (!decoder.decode(data.startAngle))
return WTF::nullopt;
if (!decoder.decode(data.endAngle))
return WTF::nullopt;
if (!decoder.decode(data.clockwise))
return WTF::nullopt;
if (!decoder.decode(data.hasOffset))
return WTF::nullopt;
return data;
}
template<class Encoder> void QuadCurveData::encode(Encoder& encoder) const
{
encoder << startPoint;
encoder << controlPoint;
encoder << endPoint;
}
template<class Decoder> Optional<QuadCurveData> QuadCurveData::decode(Decoder& decoder)
{
QuadCurveData data;
if (!decoder.decode(data.startPoint))
return WTF::nullopt;
if (!decoder.decode(data.controlPoint))
return WTF::nullopt;
if (!decoder.decode(data.endPoint))
return WTF::nullopt;
return data;
}
template<class Encoder> void BezierCurveData::encode(Encoder& encoder) const
{
encoder << startPoint;
encoder << controlPoint1;
encoder << controlPoint2;
encoder << endPoint;
}
template<class Decoder> Optional<BezierCurveData> BezierCurveData::decode(Decoder& decoder)
{
BezierCurveData data;
if (!decoder.decode(data.startPoint))
return WTF::nullopt;
if (!decoder.decode(data.controlPoint1))
return WTF::nullopt;
if (!decoder.decode(data.controlPoint2))
return WTF::nullopt;
if (!decoder.decode(data.endPoint))
return WTF::nullopt;
return data;
}
using InlinePathData = Variant<Monostate, MoveData, LineData, ArcData, QuadCurveData, BezierCurveData>;
} // namespace WebCore
#endif // ENABLE(INLINE_PATH_DATA)