Core JFC Java Foundation Classes 2nd edition - Read

A Graphics Application 375
Listing 4-18 An icon that shows a color-filled square (continued)
public void paintlcon(Component comp, Graphics g,
int x, int y) {
Color c = g.getColor();
}
// Draw the border
if (borderSize > 0) {
g.setColor(shadow);
for (int i = 0; i < borderSize; i++) {
g.drawRect (x + i, y + i, width - 2 * i - 1,
height - 2 * i - 1);
}
}
// Fill the remainder of the icon
g.setColor(fillColor);
g.fillRect(x + borderSize, y + borderSize,
fillWidth, fillHeight);
g . setColor (c) ;
// Icon state
protected int width; // Color fill width
protected int height; // Color fill height
protected Color fillColor;// Color to fill with
protected Color shadow; // Shadow color
protected int borderSize;// Border size in pixels
protected int fillHeight;// Height of area to fill
protected int fillWidth; // Width of area to fill
// Constants
public static final int BORDER_SIZE = 2;
public static final int DEFAULT_SIZE = 32;
J The most general constructor allows you to tailor the width and height of
the colored area, the width of the border area, which can be removed
entirely by making it zero pixels wide, and the color to be used to fill the center
of the icon. Two other constructors allow you to construct a square icon of
specified size or a 32-pixel square icon, with a fill color of your choice. The
border is colored black, unless the setShadow method is used to change the