Java Reference
In-Depth Information
15
// start at 0 and sweep 360 degrees
16
g.setColor(
Color.RED
);
17
g.drawRect(
15
,
35
,
80
,
80
);
18
g.setColor(
Color.BLACK)
;
19
g.drawArc(
15
,
35
,
80
,
80
,
0
,
360
);
20
21
// start at 0 and sweep 110 degrees
22
g.setColor(
Color.RED
);
23
g.drawRect(
100
,
35
,
80
,
80
);
24
g.setColor(
Color.BLACK
);
25
g.drawArc(
100
,
35
,
80
,
80
,
0
,
110
);
26
27
// start at 0 and sweep -270 degrees
28
g.setColor(
Color.RED
);
29
g.drawRect(
185
,
35
,
80
,
80
);
30
g.setColor(
Color.BLACK
);
31
g.drawArc(
185
,
35
,
80
,
80
,
0
,
-270
);
32
33
// start at 0 and sweep 360 degrees
34
g.fillArc(
15
,
120
,
80
,
40
,
0
,
360
);
35
36
// start at 270 and sweep -90 degrees
37
g.fillArc(
100
,
120
,
80
,
40
,
270
,
-90
);
38
39
// start at 0 and sweep -270 degrees
40
g.fillArc(
185
,
120
,
80
,
40
,
0
, -
270
);
41
}
42
}
// end class ArcsJPanel
Fig. 13.24
|
Arcs displayed with
drawArc
and
fillArc
. (Part 2 of 2.)
1
// Fig. 13.25: DrawArcs.java
2
// Drawing arcs.
3
import
javax.swing.JFrame;
4
5
public
class
DrawArcs
6
{
7
// execute application
8
public
static
void
main(String[] args)
9
{
10
// create frame for ArcsJPanel
11
JFrame frame =
new
JFrame(
"Drawing Arcs"
);
12
frame.setDefaultCloseOperation(
JFrame.EXIT_ON_CLOSE
);
13
14
ArcsJPanel arcsJPanel =
new
ArcsJPanel();
15
frame.add(arcsJPanel);
16
frame.setSize(
300
,
210
);
17
frame.setVisible(
true
);
18
}
19
}
// end class DrawArcs
Fig. 13.25
|
Drawing arcs. (Part 1 of 2.)
