third_party/WebKit/Source/modules/canvas2d/CanvasPathMethods.h

/*
 * Copyright (C) 2006, 2007, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
 * Copyright (C) 2012, 2013 Adobe Systems Incorporated. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
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 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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#ifndef CanvasPathMethods_h
#define CanvasPathMethods_h

#include "modules/ModulesExport.h"
#include "platform/graphics/Path.h"

namespace blink {

class ExceptionState;

class MODULES_EXPORT CanvasPathMethods {
public:
    virtual ~CanvasPathMethods() { }

    void closePath();
    void moveTo(float x, float y);
    void lineTo(float x, float y);
    void quadraticCurveTo(float cpx, float cpy, float x, float y);
    void bezierCurveTo(float cp1x, float cp1y, float cp2x, float cp2y, float x, float y);
    void arcTo(float x0, float y0, float x1, float y1, float radius, ExceptionState&);
    void arc(float x, float y, float radius, float startAngle, float endAngle, bool anticlockwise, ExceptionState&);
    void ellipse(float x, float y, float radiusX, float radiusY, float rotation, float startAngle, float endAngle, bool anticlockwise, ExceptionState&);
    void rect(float x, float y, float width, float height);

    virtual bool isTransformInvertible() const { return true; }

protected:
    CanvasPathMethods() { m_path.setIsVolatile(true); }
    CanvasPathMethods(const Path& path) : m_path(path)
    {
        m_path.setIsVolatile(true);
    }
    Path m_path;
};
} // namespace blink

#endif