Source/core/html/canvas/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.
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 * Redistribution and use in source and binary forms, with or without
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 *     notice, this list of conditions and the following disclaimer.
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#ifndef CanvasPathMethods_h
#define CanvasPathMethods_h

#include "platform/graphics/Path.h"

namespace WebCore {

class ExceptionState;
class FloatRect;

class 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; }

    // CanvasPathMethods JS API.
    static void closePath(CanvasPathMethods& object)
        { object.closePath(); }
    static void moveTo(CanvasPathMethods& object, float x, float y)
        { object.moveTo(x, y); }
    static void lineTo(CanvasPathMethods& object, float x, float y)
        { object.lineTo(x, y); }
    static void quadraticCurveTo(CanvasPathMethods& object, float cpx, float cpy, float x, float y)
        { object.quadraticCurveTo(cpx, cpy, x, y); }
    static void bezierCurveTo(CanvasPathMethods& object, float cp1x, float cp1y, float cp2x, float cp2y, float x, float y)
        { object.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y); }
    static void arcTo(CanvasPathMethods& object, float x0, float y0, float x1, float y1, float radius, ExceptionState& es)
        { object.arcTo(x0, y0, x1, y1, radius, es); }
    static void arc(CanvasPathMethods& object, float x, float y, float radius, float startAngle, float endAngle, bool anticlockwise, ExceptionState& es)
        { object.arc(x, y, radius, startAngle, endAngle, anticlockwise, es); }
    static void ellipse(CanvasPathMethods& object, float x, float y, float radiusX, float radiusY, float rotation, float startAngle, float endAngle, bool anticlockwise, ExceptionState& es)
        { object.ellipse(x, y, radiusX, radiusY, rotation, startAngle, endAngle, anticlockwise, es); }
    static void rect(CanvasPathMethods& object, float x, float y, float width, float height)
        { object.rect(x, y, width, height); }

protected:
    CanvasPathMethods() { }
    CanvasPathMethods(const Path& path) : m_path(path) { }
    Path m_path;
};
}

#endif