org.extex.color
Class ColorUtil

java.lang.Object
  org.extex.color.ColorUtil

public final class ColorUtil
extends java.lang.Object

This class provides some utility functions for colors.

Version:

$Revision:5563 $

Author:

Gerd Neugebauer

Method Summary

static void	formatAlpha(java.lang.StringBuilder sb, long alpha) Format the alpha value.
static void	formatComponent(java.lang.StringBuilder sb, long cc) Format a single color component: the color value from 0 to 0xffff is translated to a representation in the range 0.0 to 1.0.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

formatComponent

public static void formatComponent(java.lang.StringBuilder sb,
                                   long cc)

Format a single color component: the color value from 0 to 0xffff is translated to a representation in the range 0.0 to 1.0.

Parameters:

sb - the target string buffer

cc - the color component

formatAlpha

public static void formatAlpha(java.lang.StringBuilder sb,
                               long alpha)

Format the alpha value. If it is the default value then nothing is added to the target string buffer. Otherwise the value in the range from 0.0 to 1.0 preceded by alpha is added.

Parameters:

sb - the target string buffer

alpha - the alpha value