Source/core/svg/SVGPathTraversalStateBuilder.h

/*
 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
 * 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.
 */

#ifndef SVGPathTraversalStateBuilder_h
#define SVGPathTraversalStateBuilder_h

#include "core/svg/SVGPathConsumer.h"
#include "platform/graphics/PathTraversalState.h"

namespace blink {

class FloatPoint;

class SVGPathTraversalStateBuilder final : public SVGPathConsumer {
public:
    SVGPathTraversalStateBuilder(PathTraversalState::PathTraversalAction, float desiredLength = 0);

    unsigned pathSegmentIndex() const { return m_segmentIndex; }
    float totalLength();
    FloatPoint currentPoint();

    void incrementPathSegmentCount() override;
    bool continueConsuming() override;

private:
    void emitSegment(const PathSegmentData&) override;

    PathTraversalState m_traversalState;
    unsigned m_segmentIndex;
};

} // namespace blink

#endif // SVGPathTraversalStateBuilder_h