org.mmbase.calendar
Class ContrastFunction

java.lang.Object
  org.mmbase.util.functions.AbstractFunction<R>
      org.mmbase.util.functions.NodeFunction
          org.mmbase.calendar.ContrastFunction

All Implemented Interfaces:

Serializable, Comparable, Function

public class ContrastFunction
extends NodeFunction

Calculates a contrasting color for a given color. Used by calendar items types.

Since:

MMBase-1.9

Version:

$Id: ContrastFunction.java 35620 2009-06-03 13:46:59Z michiel $

Author:

Michiel Meeuwissen

See Also:

Serialized Form

Field Summary

static Pattern	CSS1_BRIGHT_COLORS
static Pattern	CSS1_DARK_COLORS
static Pattern	HEX3_COLORS
static Pattern	HEX6_COLORS

Fields inherited from class org.mmbase.util.functions.AbstractFunction

autoReturnType, name, returnType

Constructor Summary

ContrastFunction()

Method Summary

static String	getContrast(String color)
protected String	getFunctionValue(Node node, Parameters parameters)
static void	main(String[] argv)

Methods inherited from class org.mmbase.util.functions.NodeFunction

getFunctionNameAndFillArgs, getFunctionValue, getFunctionValue, getFunctionValueForNode, getNode, getNodeParameterDef, getReturnType, newInstance, wrap

Methods inherited from class org.mmbase.util.functions.AbstractFunction

compareTo, createParameters, equals, getDescription, getFunctionValueWithArgs, getFunctionValueWithList, getName, getParameterDefinition, hashCode, setDescription, setParameterDefinition, setReturnType, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

CSS1_BRIGHT_COLORS

public static final Pattern CSS1_BRIGHT_COLORS

CSS1_DARK_COLORS

public static final Pattern CSS1_DARK_COLORS

HEX3_COLORS

public static final Pattern HEX3_COLORS

HEX6_COLORS

public static final Pattern HEX6_COLORS

Constructor Detail

ContrastFunction

public ContrastFunction()

Method Detail

getContrast

public static String getContrast(String color)

getFunctionValue

protected String getFunctionValue(Node node,
                                  Parameters parameters)

Specified by:

getFunctionValue in class NodeFunction

main

public static void main(String[] argv)