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
|
/*
* java-gnome, a UI library for writing GTK and GNOME programs from Java!
*
* Copyright © 2009-2010 Operational Dynamics Consulting, Pty Ltd
*
* The code in this file, and the program it is a part of, is made available
* to you by its authors as open source software: you can redistribute it
* and/or modify it under the terms of the GNU General Public License version
* 2 ("GPL") as published by the Free Software Foundation.
*
* This program 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 GPL for more details.
*
* You should have received a copy of the GPL along with this program. If not,
* see http://www.gnu.org/licenses/. The authors of this program may be
* contacted through http://java-gnome.sourceforge.net/.
*/
package org.gnome.pango;
import org.freedesktop.cairo.Context;
import org.freedesktop.cairo.Format;
import org.freedesktop.cairo.ImageSurface;
import org.freedesktop.cairo.Surface;
import org.gnome.gdk.Event;
import org.gnome.gdk.EventExpose;
import org.gnome.gtk.DrawingArea;
import org.gnome.gtk.GraphicalTestCase;
import org.gnome.gtk.Gtk;
import org.gnome.gtk.Widget;
import org.gnome.gtk.Window;
/**
* Ensure our accessors to PangoLayoutLine structs (and conversion to
* character offsets) is accurate.
*
* @author Andrew Cowie
*/
public class ValidatePangoWrapBehaviour extends GraphicalTestCase
{
private static Layout draw(Context cr) {
final Layout layout;
FontDescription desc;
layout = new Layout(cr);
layout.setWrapMode(WrapMode.CHAR);
layout.setWidth(100.0);
desc = new FontDescription("DejaVu Serif, 18");
layout.setFontDescription(desc);
layout.setText("H€lloworldPeace武道");
cr.showLayout(layout);
return layout;
}
public static void main(String[] args) {
final Window w;
final DrawingArea d;
Gtk.init(args);
w = new Window();
w.setDefaultSize(150, 150);
d = new DrawingArea();
w.add(d);
w.showAll();
d.connect(new Widget.ExposeEvent() {
public boolean onExposeEvent(Widget source, EventExpose event) {
final Context cr;
cr = new Context(source.getWindow());
draw(cr);
return false;
}
});
w.connect(new Window.DeleteEvent() {
public boolean onDeleteEvent(Widget source, Event event) {
Gtk.mainQuit();
return false;
}
});
Gtk.main();
}
public final void testLayoutLineOffsetConversion() throws InterruptedException {
final Surface surface;
final Context cr;
final Layout layout;
final LayoutLine[] lines;
LayoutLine line;
surface = new ImageSurface(Format.ARGB32, 150, 150);
cr = new Context(surface);
layout = draw(cr);
lines = layout.getLinesReadonly();
assertNotNull(lines);
assertEquals(3, lines.length);
// H€lloW
line = lines[0];
assertEquals(0, line.getStartIndex());
assertEquals(6, line.getLength());
// orldPea
line = lines[1];
assertEquals(6, line.getStartIndex());
assertEquals(7, line.getLength());
// ce武道
line = lines[2];
assertEquals(13, line.getStartIndex());
assertEquals(4, line.getLength());
}
}
|
