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/*
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "FloatPoint.h"
#include "SVGPathByteStream.h"
#include "SVGPathConsumer.h"
#include <wtf/text/WTFString.h>
namespace WebCore {
enum class SVGPathSegType : uint8_t;
class SVGPathByteStreamBuilder final : public SVGPathConsumer {
public:
SVGPathByteStreamBuilder(SVGPathByteStream&);
private:
void incrementPathSegmentCount() final { }
bool continueConsuming() final { return true; }
// Used in UnalteredParsing/NormalizedParsing modes.
void moveTo(const FloatPoint&, bool closed, PathCoordinateMode) final;
void lineTo(const FloatPoint&, PathCoordinateMode) final;
void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatPoint&, PathCoordinateMode) final;
void closePath() final;
// Only used in UnalteredParsing mode.
void lineToHorizontal(float, PathCoordinateMode) final;
void lineToVertical(float, PathCoordinateMode) final;
void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCoordinateMode) final;
void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoordinateMode) final;
void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode) final;
void arcTo(float, float, float, bool largeArcFlag, bool sweepFlag, const FloatPoint&, PathCoordinateMode) final;
template<typename DataType>
void writeType(const DataType& data)
{
typedef union {
DataType value;
uint8_t bytes[sizeof(DataType)];
} ByteType;
ByteType type = { data };
m_byteStream->append(std::span { type.bytes, sizeof(ByteType) });
}
void writeSegmentType(SVGPathSegType type)
{
static_assert(std::is_same_v<std::underlying_type_t<SVGPathSegType>, uint8_t>);
m_byteStream->append(enumToUnderlyingType(type));
}
SingleThreadWeakRef<SVGPathByteStream> m_byteStream;
};
} // namespace WebCore
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