System.out.println("scaling to: " + scaleBy);
    private void scaleFont(float scaleBy) {		System.out.println("scaling to: " + scaleBy);        RenderingContext rc = getRenderingContext();        float fs = rc.getTextRenderer().getFontScale() * scaleBy;        if ( fs < minFontScale || fs > maxFontScale ) return;        rc.getTextRenderer().setFontScale(fs);        relayout();        repaint();    }