interface CanvasRenderingContext2D {

    void fillRect(double x, double y, double w, double h);
    void strokeRect(double x, double y, double w, double h);

    void scale(double x, double y);
    void translate(double x, double y);
    void rotate(double radians);

    void beginPath();
    void closePath();
    void fill(DOMString fillRule);
    void stroke();
    void moveTo(double x, double y);
    void lineTo(double x, double y);
    void quadraticCurveTo(double cpx, double cpy, double x, double y);

    void drawImage(HTMLImageElement image, double dx, double dy);

    attribute DOMString fillStyle;
    attribute DOMString strokeStyle;
    attribute double lineWidth;

    ImageData createImageData(double sw, double sh);
    void putImageData(ImageData imagedata, double dx, double dy);

    readonly attribute HTMLCanvasElement canvas;

}