1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import javax.swing.JButton; 25 import javax.swing.SwingUtilities; 26 import javax.swing.UIManager; 27 import javax.swing.plaf.metal.MetalLookAndFeel; 28 29 /* 30 * @test 31 * @bug 8076545 32 * @summary Text size is twice bigger under Windows L&F on Win 8.1 with 33 * HiDPI display 34 */ 35 public class FontScalingTest { 36 37 public static void main(String[] args) throws Exception { 38 int metalFontSize = getFontSize(MetalLookAndFeel.class.getName()); 39 int systemFontSize = getFontSize(UIManager.getSystemLookAndFeelClassName()); 40 41 if (Math.abs(systemFontSize - metalFontSize) > 8) { 42 throw new RuntimeException("System L&F is too big!"); 43 } 44 } 45 46 private static int getFontSize(String laf) throws Exception { 47 48 UIManager.setLookAndFeel(laf); 49 final int[] sizes = new int[1]; 50 51 SwingUtilities.invokeAndWait(() -> { 52 JButton button = new JButton("Test"); 53 sizes[0] = button.getFont().getSize(); 54 }); 55 56 return sizes[0]; 57 } 58 }