Using Objects - Java Concepts - page 93

g2.draw(circle); // draws the shape in red

If you want to color the inside of the shape, use the fill method instead of the
draw method. For example,

g2.fill(circle);

fills the inside of the circle with the current color.

67
68

Table 1 Predefined Colors and their RGB Values

Color RGB Value

Color.BLACK 0, 0, 0

Color.BLUE 0, 0, 255

Color.CYAN 0, 255, 255

Color.GRAY 128, 128, 128

Color.DARKGRAY 64, 64, 64

Color.LIGHTGRAY 192, 192, 192

Color.GREEN 0, 255, 0

Color.MAGENTA 255, 0, 255

Color.ORANGE 255, 200, 0

Color.PINK 255, 175, 175

Color.RED 255, 0, 0

Color.WHITE 255, 255, 255

Color.YELLOW 255, 255, 0

The following program puts all these shapes to work, creating a simple drawing (see
Figure 25 ).

68
69

ch02/faceviewer/FaceComponent.java

1 import java.awt.Color;
2 import java.awt.Graphics;
3 import java.awt.Graphics2D;
4 import java.awt.Rectangle;
5 import java.awt.geom.Ellipse2D;
6 import java.awt.geom.Line2D;
7 import javax.swing.JPanel;
8 import javax.swing.JComponent;
9
10 /**
11 A component that draws an alien face.
12 */
13 public class FaceComponent extends JComponent
14 {