org.apache.fop.fo.expr

Class AbsFunction

java.lang.Object
- org.apache.fop.fo.expr.FunctionBase
- - org.apache.fop.fo.expr.AbsFunction

Implemented Interfaces:: Function

public class AbsFunction

extends FunctionBase

Class modelling the abs Number Function. See Sec. 5.10.1 of the XSL-FO spec.

Method Summary
`Property`	`eval(Property[] args, PropertyInfo propInfo)`
`int`	`nbArgs()`

Methods inherited from class org.apache.fop.fo.expr.FunctionBase
`getPercentBase`, `padArgsWithPropertyName`

eval

public Property eval(Property[] args,
                     PropertyInfo propInfo)
            throws PropertyException

Specified by:
eval in interface Function
Parameters:
args - array of arguments to be evaluated, the first of which should be a numeric value
propInfo - the PropertyInfo object to be evaluated
Returns:
the absolute value of the input
Throws:
PropertyException - for non-numeric input

nbArgs

public int nbArgs()

Specified by:
nbArgs in interface Function
Returns:
1 (the number of arguments required for the abs function)

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org.apache.fop.fo.expr

Class AbsFunction

Method Summary

Methods inherited from class org.apache.fop.fo.expr.FunctionBase

Method Details

eval

nbArgs