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/*
* Copyright (C) 2002, 2003 The Karbon Developers
* Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
* Copyright (C) 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2007-2024 Apple Inc. All rights reserved.
* Copyright (C) Research In Motion Limited 2010. 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 <wtf/Noncopyable.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class SVGPathConsumer;
}
namespace WTF {
template<typename T> struct IsDeprecatedWeakRefSmartPointerException;
template<> struct IsDeprecatedWeakRefSmartPointerException<WebCore::SVGPathConsumer> : std::true_type { };
}
namespace WebCore {
enum PathCoordinateMode {
AbsoluteCoordinates,
RelativeCoordinates
};
enum PathParsingMode {
NormalizedParsing,
UnalteredParsing
};
class SVGPathConsumer : public CanMakeSingleThreadWeakPtr<SVGPathConsumer> {
WTF_MAKE_TZONE_ALLOCATED(SVGPathConsumer);
WTF_MAKE_NONCOPYABLE(SVGPathConsumer);
public:
SVGPathConsumer() = default;
virtual void incrementPathSegmentCount() = 0;
virtual bool continueConsuming() = 0;
// Used in UnalteredParsing/NormalizedParsing modes.
virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode) = 0;
virtual void lineTo(const FloatPoint&, PathCoordinateMode) = 0;
virtual void curveToCubic(const FloatPoint& controlPoint1, const FloatPoint& controlPoint2, const FloatPoint&, PathCoordinateMode) = 0;
virtual void closePath() = 0;
// Only used in UnalteredParsing mode.
virtual void lineToHorizontal(float, PathCoordinateMode) = 0;
virtual void lineToVertical(float, PathCoordinateMode) = 0;
virtual void curveToCubicSmooth(const FloatPoint& controlPoint2, const FloatPoint& targetPoint, PathCoordinateMode) = 0;
virtual void curveToQuadratic(const FloatPoint& controlPoint, const FloatPoint& targetPoint, PathCoordinateMode) = 0;
virtual void curveToQuadraticSmooth(const FloatPoint& targetPoint, PathCoordinateMode) = 0;
virtual void arcTo(float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag, const FloatPoint&, PathCoordinateMode) = 0;
protected:
virtual ~SVGPathConsumer() = default;
};
} // namespace WebCore
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