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 /* 25 * @test 26 * @bug 8064833 27 * @summary Test correct font is obtained via famil+style 28 * @run main HelvLtOblTest 29 */ 30 31 import javax.swing.JComponent; 32 import javax.swing.JFrame; 33 import javax.swing.SwingUtilities; 34 import java.awt.Color; 35 import java.awt.Dimension; 36 import java.awt.Font; 37 import java.awt.Graphics; 38 import java.awt.Graphics2D; 39 import java.awt.GraphicsEnvironment; 40 import java.awt.RenderingHints; 41 import java.awt.font.FontRenderContext; 42 import java.awt.font.GlyphVector; 43 import java.awt.image.BufferedImage; 44 45 public class HelvLtOblTest extends JComponent { 46 47 static Font helvFont = null; 48 49 static int[] codes = { 0x23, 0x4a, 0x48, 0x3, 0x4a, 0x55, 0x42, 0x4d, 50 0x4a, 0x44, 0x3, 51 0x53, 0x46, 0x45, 0x3, 0x55, 0x46, 0x59, 0x55, }; 52 53 static String str = "Big italic red text"; 54 55 public static void main(String[] args) throws Exception { 56 String os = System.getProperty("os.name"); 57 if (!os.startsWith("Mac")) { 58 return; 59 } 60 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); 61 Font[] fonts = ge.getAllFonts(); 62 for (int i=0; i<fonts.length; i++) { 63 if (fonts[i].getPSName().equals("Helvetica-LightOblique")) { 64 helvFont = fonts[i]; 65 break; 66 } 67 } 68 if (helvFont == null) { 69 return; 70 } 71 final HelvLtOblTest test = new HelvLtOblTest(); 72 SwingUtilities.invokeLater(() -> { 73 JFrame f = new JFrame(); 74 f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 75 f.add("Center", test); 76 f.pack(); 77 f.setVisible(true); 78 }); 79 test.compareImages(); 80 } 81 82 public Dimension getPreferredSize() { 83 return new Dimension(400,400); 84 } 85 86 public void paintComponent(Graphics g) { 87 super.paintComponent(g); 88 Graphics2D g2 = (Graphics2D)g; 89 FontRenderContext frc = new FontRenderContext(null, true, true); 90 Font f = helvFont.deriveFont(Font.PLAIN, 40); 91 System.out.println("font = " +f.getFontName()); 92 GlyphVector gv = f.createGlyphVector(frc, codes); 93 g.setFont(f); 94 g.setColor(Color.white); 95 g.fillRect(0,0,400,400); 96 g.setColor(Color.black); 97 g2.drawGlyphVector(gv, 5,200); 98 g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, 99 RenderingHints.VALUE_TEXT_ANTIALIAS_ON); 100 g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, 101 RenderingHints.VALUE_FRACTIONALMETRICS_ON); 102 g2.drawString(str, 5, 250); 103 } 104 105 void compareImages() { 106 BufferedImage bi0 = drawText(false); 107 BufferedImage bi1 = drawText(true); 108 compare(bi0, bi1); 109 } 110 111 BufferedImage drawText(boolean doGV) { 112 int w = 400; 113 int h = 50; 114 BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); 115 Graphics2D g = bi.createGraphics(); 116 g.setColor(Color.white); 117 g.fillRect(0,0,w,h); 118 g.setColor(Color.black); 119 Font f = helvFont.deriveFont(Font.PLAIN, 40); 120 g.setFont(f); 121 int x = 5; 122 int y = h - 10; 123 if (doGV) { 124 FontRenderContext frc = new FontRenderContext(null, true, true); 125 GlyphVector gv = f.createGlyphVector(frc, codes); 126 g.drawGlyphVector(gv, 5, y); 127 } else { 128 g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, 129 RenderingHints.VALUE_TEXT_ANTIALIAS_ON); 130 g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, 131 RenderingHints.VALUE_FRACTIONALMETRICS_ON); 132 g.drawString(str, x, y); 133 } 134 return bi; 135 } 136 137 // Need to allow for minimal rounding error, so allow each component 138 // to differ by 1. 139 void compare(BufferedImage bi0, BufferedImage bi1) { 140 int wid = bi0.getWidth(); 141 int hgt = bi0.getHeight(); 142 for (int x=0; x<wid; x++) { 143 for (int y=0; y<hgt; y++) { 144 int rgb0 = bi0.getRGB(x, y); 145 int rgb1 = bi1.getRGB(x, y); 146 if (rgb0 == rgb1) continue; 147 int r0 = (rgb0 & 0xff0000) >> 16; 148 int r1 = (rgb1 & 0xff0000) >> 16; 149 int rdiff = r0-r1; if (rdiff<0) rdiff = -rdiff; 150 int g0 = (rgb0 & 0x00ff00) >> 8; 151 int g1 = (rgb1 & 0x00ff00) >> 8; 152 int gdiff = g0-g1; if (gdiff<0) gdiff = -gdiff; 153 int b0 = (rgb0 & 0x0000ff); 154 int b1 = (rgb1 & 0x0000ff); 155 int bdiff = b0-b1; if (bdiff<0) bdiff = -bdiff; 156 if (rdiff > 1 || gdiff > 1 || bdiff > 1) { 157 throw new RuntimeException( 158 "Images differ at x=" + x + " y="+ y + " " + 159 Integer.toHexString(rgb0) + " vs " + 160 Integer.toHexString(rgb1)); 161 } 162 } 163 } 164 } 165 166 }