public void setCustomFont(final Font FONT) {
        if (null == customFont) {
            _customFont = FONT;
            fireTileEvent(RESIZE_EVENT);
        } else {
            if (!customFont.isBound()) {
                customFont.set(FONT);
            }
        }
    }
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