src/main/java/org/jfree/graphics2d/svg/SVGGraphics2D.java
@Override
    public void rotate(double theta, double x, double y) {
        translate(x, y);
        rotate(theta);
        translate(-x, -y);
    }
@Override
    public void rotate(double theta, double x, double y) {
        translate(x, y);
        rotate(theta);
        translate(-x, -y);
    }
Applies a rotation (anti-clockwise) about {@code (x, y)}.

@param theta  the rotation angle (in radians).
@param x  the x-coordinate.
@param y  the y-coordinate.