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/*
* Copyright (C) 2021 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
#include "SVGPathConsumer.h"
namespace WebCore {
// This consumer translates incoming SVG draw commands into absolute coordinates, and forwards it
// to another consumer. convertSVGPathByteStreamToAbsoluteCoordinates uses it to convert relative
// draw commands in an SVG path into absolute.
class SVGPathAbsoluteConverter final : public SVGPathConsumer {
public:
SVGPathAbsoluteConverter(SVGPathConsumer&);
private:
void incrementPathSegmentCount() final;
bool continueConsuming() final;
// Used in UnalteredParsing/NormalizedParsing modes.
void moveTo(const FloatPoint& targetPoint, bool closed, PathCoordinateMode) final;
void lineTo(const FloatPoint& targetPoint, PathCoordinateMode) final;
void curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode) final;
void closePath() final;
// Only used in UnalteredParsing mode.
void lineToHorizontal(float targetX, PathCoordinateMode) final;
void lineToVertical(float targetY, PathCoordinateMode) final;
void curveToCubicSmooth(const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode) final;
void curveToQuadratic(const FloatPoint& point1, const FloatPoint& targetPoint, PathCoordinateMode) final;
void curveToQuadraticSmooth(const FloatPoint& targetPoint, PathCoordinateMode) final;
void arcTo(float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag, const FloatPoint& targetPoint, PathCoordinateMode) final;
SingleThreadWeakRef<SVGPathConsumer> m_consumer;
FloatPoint m_currentPoint;
FloatPoint m_subpathPoint;
};
} // namespace WebCore
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