Here you can find the source of getDefaultFrc()
static FontRenderContext getDefaultFrc()
//package com.java2s; /*/*from ww w .j a va 2s . com*/ * KISS, YAGNI, DRY * * (c) Copyright 2006-2017, Peter Jakub??o * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ import java.awt.GraphicsEnvironment; import java.awt.font.FontRenderContext; import java.awt.geom.AffineTransform; public class Main { private static FontRenderContext DEFAULT_FRC; static FontRenderContext getDefaultFrc() { if (DEFAULT_FRC == null) { AffineTransform tx; if (GraphicsEnvironment.isHeadless()) { tx = new AffineTransform(); } else { tx = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice() .getDefaultConfiguration().getDefaultTransform(); } DEFAULT_FRC = new FontRenderContext(tx, false, false); } return DEFAULT_FRC; } }