1 /* 2 * Copyright (c) 2016, 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 /* 25 * @test 26 * @bug 8139176 27 * @summary Test layout uses correct styled font. 28 * @run main StyledFontLayoutTest 29 */ 30 31 import java.awt.Color; 32 import java.awt.Font; 33 import java.awt.Graphics; 34 import java.awt.Graphics2D; 35 import java.awt.RenderingHints; 36 import java.awt.font.FontRenderContext; 37 import java.awt.font.GlyphVector; 38 import java.awt.geom.Rectangle2D; 39 import java.awt.image.BufferedImage; 40 41 import javax.swing.JFrame; 42 import javax.swing.JPanel; 43 import javax.swing.SwingUtilities; 44 import javax.swing.WindowConstants; 45 46 public class StyledFontLayoutTest extends JPanel { 47 48 static final int W=600, H=400; 49 static boolean interactive; 50 static BufferedImage im; main(String[] args)51 public static void main(String[] args) { 52 53 interactive = args.length > 0; 54 55 runTest(); 56 57 if (!interactive) { 58 return; 59 } 60 SwingUtilities.invokeLater(() -> { 61 JFrame frame = new JFrame("Styled Font Layout Test"); 62 frame.add(new StyledFontLayoutTest()); 63 frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); 64 frame.setSize(W, H); 65 frame.setLocationRelativeTo(null); 66 frame.setVisible(true); 67 }); 68 } 69 70 @Override paintComponent(Graphics g)71 protected void paintComponent(Graphics g) { 72 g.drawImage(im, 0, 0, null); 73 } 74 runTest()75 private static void runTest() { 76 im = new BufferedImage(W, H, BufferedImage.TYPE_INT_RGB); 77 Graphics2D g2d = im.createGraphics(); 78 g2d.setColor(Color.white); 79 g2d.fillRect(0, 0, W, H); 80 g2d.setColor(Color.black); 81 g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, 82 RenderingHints.VALUE_TEXT_ANTIALIAS_ON); 83 char[] chs = "Sample Text.".toCharArray(); 84 int len = chs.length; 85 86 int x = 50, y = 100; 87 88 FontRenderContext frc = g2d.getFontRenderContext(); 89 Font plain = new Font("Serif", Font.PLAIN, 48); 90 GlyphVector pgv = plain.layoutGlyphVector(frc, chs, 0, len, 0); 91 g2d.setFont(plain); 92 g2d.drawChars(chs, 0, len, x, y); y +=50; 93 94 g2d.drawGlyphVector(pgv, x, y); y += 50; 95 Rectangle2D plainStrBounds = plain.getStringBounds(chs, 0, len, frc); 96 Rectangle2D plainGVBounds = pgv.getLogicalBounds(); 97 Font bold = new Font("Serif", Font.BOLD, 48); 98 GlyphVector bgv = bold.layoutGlyphVector(frc, chs, 0, len, 0); 99 Rectangle2D boldStrBounds = bold.getStringBounds(chs, 0, len, frc); 100 Rectangle2D boldGVBounds = bgv.getLogicalBounds(); 101 g2d.setFont(bold); 102 g2d.drawChars(chs, 0, len, x, y); y +=50; 103 g2d.drawGlyphVector(bgv, x, y); 104 System.out.println("Plain String Bounds = " + plainStrBounds); 105 System.out.println("Bold String Bounds = " + boldStrBounds); 106 System.out.println("Plain GlyphVector Bounds = " + plainGVBounds); 107 System.out.println("Bold GlyphVector Bounds = " + boldGVBounds); 108 if (!plainStrBounds.equals(boldStrBounds) && 109 plainGVBounds.equals(boldGVBounds)) 110 { 111 System.out.println("Test failed: Plain GV bounds same as Bold"); 112 if (!interactive) { 113 throw new RuntimeException("Plain GV bounds same as Bold"); 114 } 115 } 116 117 }; 118 } 119