public void setCustomDecimalFormat(final DecimalFormat DECIMAL_FORMAT) {
        if (null == customDecimalFormat) {
            _customDecimalFormat = DECIMAL_FORMAT;
            fireTileEvent(REDRAW_EVENT);
        } else {
            if (!customDecimalFormat.isBound()) {
                customDecimalFormat.set(DECIMAL_FORMAT);
            }
        }
    }
Defines the custom font that can be used to render all
text elements. To enable the custom font one has to set
customFontEnabled = true
@param FONT
src/main/java/eu/hansolo/tilesfx/Tile.java