third_party/WebKit/Source/core/layout/api/LineLayoutSVGTextPath.h

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef LineLayoutSVGTextPath_h
#define LineLayoutSVGTextPath_h

#include "core/layout/api/LineLayoutSVGInline.h"
#include "core/layout/svg/LayoutSVGTextPath.h"

namespace blink {

class LineLayoutSVGTextPath : public LineLayoutSVGInline {
public:
    explicit LineLayoutSVGTextPath(LayoutSVGTextPath* layoutSVGTextPath)
        : LineLayoutSVGInline(layoutSVGTextPath)
    {
    }

    explicit LineLayoutSVGTextPath(const LineLayoutItem& item)
        : LineLayoutSVGInline(item)
    {
        ASSERT(!item || item.isSVGTextPath());
    }

    explicit LineLayoutSVGTextPath(std::nullptr_t) : LineLayoutSVGInline(nullptr) { }

    LineLayoutSVGTextPath() { }

    PassOwnPtr<PathPositionMapper> layoutPath() const
    {
        return toSVGTextPath()->layoutPath();
    }

    float calculateStartOffset(float pathLength) const
    {
        return toSVGTextPath()->calculateStartOffset(pathLength);
    }

private:
    LayoutSVGTextPath* toSVGTextPath()
    {
        return toLayoutSVGTextPath(layoutObject());
    }

    const LayoutSVGTextPath* toSVGTextPath() const
    {
        return toLayoutSVGTextPath(layoutObject());
    }
};

} // namespace blink

#endif // LineLayoutSVGTextPath_h