src/main/java/org/jfree/graphics2d/svg/SVGGraphics2D.java
@Override
    public void rotate(double theta) {
        AffineTransform t = getTransform();
        t.rotate(theta);
        setTransform(t);
    }
@Override
    public void rotate(double theta) {
        AffineTransform t = getTransform();
        t.rotate(theta);
        setTransform(t);
    }
Applies a rotation (anti-clockwise) about {@code (0, 0)}.

@param theta  the rotation angle (in radians).