1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* Copyright (c) 2019, Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8218854
* @requires jdk.version.major >= 8
* @run main/othervm MaxAdvanceIsMax
*/
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.GraphicsEnvironment;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
public class MaxAdvanceIsMax {
private static boolean debug = true;
private static final class AntialiasHint {
private Object aaHint;
private String asString = "";
AntialiasHint(Object aaHint) {
if (aaHint.equals(
RenderingHints.VALUE_TEXT_ANTIALIAS_OFF)) {
asString += "FT_LOAD_TARGET_MONO";
} else if (aaHint.equals(
RenderingHints.VALUE_TEXT_ANTIALIAS_ON)) {
asString += "FT_LOAD_TARGET_NORMAL";
} else if (aaHint.equals(
RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB)) {
asString += "FT_LOAD_TARGET_LCD";
} else if (aaHint.equals(
RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VRGB)) {
asString += "FT_LOAD_TARGET_LCD_V";
}
this.aaHint = aaHint;
}
public Object getHint() {
return aaHint;
}
public String toString() {
return asString;
}
}
private static final AntialiasHint[] antialiasHints = {
new AntialiasHint(RenderingHints.VALUE_TEXT_ANTIALIAS_OFF),
new AntialiasHint(RenderingHints.VALUE_TEXT_ANTIALIAS_ON),
new AntialiasHint(RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB),
new AntialiasHint(RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VRGB)
};
private static final class StyleAndSize {
int style;
float size;
public StyleAndSize(int style, float size) {
this.style = style;
this.size = size;
}
};
private static final StyleAndSize[] stylesAndSizes = new StyleAndSize[] {
new StyleAndSize(Font.BOLD | Font.ITALIC, 10)
};
public static void main(String[] args) throws Exception {
GraphicsEnvironment e =
GraphicsEnvironment.getLocalGraphicsEnvironment();
Font[] fonts = e.getAllFonts();
BufferedImage bi = new BufferedImage(500, 500,
BufferedImage.TYPE_INT_RGB);
for (AntialiasHint antialiasHint : antialiasHints) {
for (Font f : fonts) {
for (StyleAndSize styleAndSize : stylesAndSizes) {
f = f.deriveFont(styleAndSize.style, styleAndSize.size);
Graphics2D g2d = bi.createGraphics();
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
antialiasHint.getHint());
FontMetrics fm = g2d.getFontMetrics(f);
int[] width;
int maxWidth = -1;
int maxAdvance = fm.getMaxAdvance();
if (debug) {
System.out.println("Testing " + f + " in " +
antialiasHint);
System.out.println("getMaxAdvance: " + maxAdvance);
}
if (maxAdvance != -1) {
String failureMessage = null;
width = fm.getWidths();
for (int j = 0; j < width.length; j++) {
if (width[j] > maxWidth) {
maxWidth = width[j];
}
if (width[j] > maxAdvance) {
failureMessage = "FAILED: getMaxAdvance is " +
"not max for font: " +
f.toString() +
" getMaxAdvance(): " +
maxAdvance +
" getWidths()[" + j + "]: " +
width[j];
throw new Exception(failureMessage);
}
}
}
if (debug) {
System.out.println("Max char width: " + maxWidth);
System.out.println("PASSED");
System.out.println(".........................");
}
}
}
}
System.out.println("TEST PASS - OK");
}
}
|
