Class Diagram Example: Fonts, Colors, Global and Local Options

/**
* @opt edgecolor "yellow"
* @opt nodefontname "Times"
* @opt bgcolor ".7 .9 1"
* @opt nodefillcolor "#a0a0a0"
* @opt nodefontsize 14
* @hidden
*/
class UMLOptions{}

/**
* @opt nodefontname "Helvetica-Bold"
* @opt nodefontcolor "white"
* @composed - - - Red
* @composed - - - Green
* @composed - - - Blue
* @opt attributes
* @opt visibility
* @opt types
*/
class Pixel {
private int x, y;
public void setColor(ColorValue v) {}
}

/** @opt nodefillcolor red */
class Red {}

/** @opt nodefillcolor green */
class Green {}

/** @opt nodefillcolor blue */
class Blue {}

/** @hidden */
class ColorValue{}

UML diagram demonstrating the use of colors

package net.sf.whatever.test;

/**
* @hidden
* @opt postfixpackage
* @opt edgefontname arialbd
* @opt nodefontname arial
* @opt nodefontsize 9
* @opt nodefontabstract ariali
* @opt nodefontclassname arialbd
* @opt nodefontclassabstractname arialbi
* @opt nodefonttagsize 6
* @opt nodefonttagname ariali
* @opt nodefontpackagesize 8
* @opt operations
* @opt attributes
* @opt qualify
* @opt types
*/
class UMLOptions{}

/**
* @stereotype base
* @tagvalue since 1.0
*/
abstract class AbstractBase {
    /** @tagvalue since 1.5 */
    private int field;
    public abstract void abstractMethod();
    public int concreteMethod() { return 1; }
}

/**
* @composed 1 has * from.Outer.Space.AlienClass
*/
class Composite extends AbstractBase {}

public class Style extends AbstractBase {}

UML diagram demonstrating the use of fonts