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 * @key headful
27 * @bug 8064833
28 * @summary Test correct font is obtained via famil+style
29 * @run main HelvLtOblTest
30 */
31
32 import javax.swing.JComponent;
33 import javax.swing.JFrame;
34 import javax.swing.SwingUtilities;
35 import java.awt.Color;
36 import java.awt.Dimension;
37 import java.awt.Font;
38 import java.awt.Graphics;
39 import java.awt.Graphics2D;
40 import java.awt.GraphicsEnvironment;
41 import java.awt.RenderingHints;
42 import java.awt.font.FontRenderContext;
43 import java.awt.font.GlyphVector;
44 import java.awt.image.BufferedImage;
45
46 public class HelvLtOblTest extends JComponent {
47
48 static Font helvFont = null;
49
50 static int[] codes = { 0x23, 0x4a, 0x48, 0x3, 0x4a, 0x55, 0x42, 0x4d,
51 0x4a, 0x44, 0x3,
52 0x53, 0x46, 0x45, 0x3, 0x55, 0x46, 0x59, 0x55, };
53
54 static String str = "Big italic red text";
55
56 public static void main(String[] args) throws Exception {
57 String os = System.getProperty("os.name");
58 if (!os.startsWith("Mac")) {
59 return;
60 }
61 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
62 Font[] fonts = ge.getAllFonts();
63 for (int i=0; i<fonts.length; i++) {
64 if (fonts[i].getPSName().equals("Helvetica-LightOblique")) {
65 helvFont = fonts[i];
66 break;
67 }
68 }
69 if (helvFont == null) {
70 return;
71 }
72 final HelvLtOblTest test = new HelvLtOblTest();
73 SwingUtilities.invokeLater(() -> {
74 JFrame f = new JFrame();
75 f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
76 f.add("Center", test);
77 f.pack();
78 f.setVisible(true);
79 });
80 test.compareImages();
81 }
82
83 public Dimension getPreferredSize() {
84 return new Dimension(400,400);
85 }
86
87 public void paintComponent(Graphics g) {
88 super.paintComponent(g);
89 Graphics2D g2 = (Graphics2D)g;
90 FontRenderContext frc = new FontRenderContext(null, true, true);
91 Font f = helvFont.deriveFont(Font.PLAIN, 40);
92 System.out.println("font = " +f.getFontName());
93 GlyphVector gv = f.createGlyphVector(frc, codes);
94 g.setFont(f);
95 g.setColor(Color.white);
96 g.fillRect(0,0,400,400);
97 g.setColor(Color.black);
98 g2.drawGlyphVector(gv, 5,200);
99 g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
100 RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
101 g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
102 RenderingHints.VALUE_FRACTIONALMETRICS_ON);
103 g2.drawString(str, 5, 250);
104 }
105
106 void compareImages() {
107 BufferedImage bi0 = drawText(false);
108 BufferedImage bi1 = drawText(true);
109 compare(bi0, bi1);
110 }
111
112 BufferedImage drawText(boolean doGV) {
113 int w = 400;
114 int h = 50;
115 BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
116 Graphics2D g = bi.createGraphics();
117 g.setColor(Color.white);
118 g.fillRect(0,0,w,h);
119 g.setColor(Color.black);
120 Font f = helvFont.deriveFont(Font.PLAIN, 40);
121 g.setFont(f);
122 int x = 5;
123 int y = h - 10;
124 if (doGV) {
125 FontRenderContext frc = new FontRenderContext(null, true, true);
126 GlyphVector gv = f.createGlyphVector(frc, codes);
127 g.drawGlyphVector(gv, 5, y);
128 } else {
129 g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
130 RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
131 g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
132 RenderingHints.VALUE_FRACTIONALMETRICS_ON);
133 g.drawString(str, x, y);
134 }
135 return bi;
136 }
137
138 // Need to allow for minimal rounding error, so allow each component
139 // to differ by 1.
140 void compare(BufferedImage bi0, BufferedImage bi1) {
141 int wid = bi0.getWidth();
142 int hgt = bi0.getHeight();
143 for (int x=0; x<wid; x++) {
144 for (int y=0; y<hgt; y++) {
145 int rgb0 = bi0.getRGB(x, y);
146 int rgb1 = bi1.getRGB(x, y);
147 if (rgb0 == rgb1) continue;
148 int r0 = (rgb0 & 0xff0000) >> 16;
149 int r1 = (rgb1 & 0xff0000) >> 16;
150 int rdiff = r0-r1; if (rdiff<0) rdiff = -rdiff;
151 int g0 = (rgb0 & 0x00ff00) >> 8;
152 int g1 = (rgb1 & 0x00ff00) >> 8;
153 int gdiff = g0-g1; if (gdiff<0) gdiff = -gdiff;
154 int b0 = (rgb0 & 0x0000ff);
155 int b1 = (rgb1 & 0x0000ff);
156 int bdiff = b0-b1; if (bdiff<0) bdiff = -bdiff;
157 if (rdiff > 1 || gdiff > 1 || bdiff > 1) {
158 throw new RuntimeException(
159 "Images differ at x=" + x + " y="+ y + " " +
160 Integer.toHexString(rgb0) + " vs " +
161 Integer.toHexString(rgb1));
162 }
163 }
164 }
165 }
166
167 }