Abs (Wizards' Picasso API (including private classes))

java.lang.Object
- picasso.parser.language.ExpressionTreeNode
- - picasso.parser.language.expressions.UnaryFunction
  - - picasso.parser.language.expressions.Abs

All Implemented Interfaces:

EvaluatableExpression
```
public class Abs
extends UnaryFunction
```
Represents the abs function in the Picasso language. Computes the absolute value of each RGB color component.

Field Summary
- Fields inherited from class picasso.parser.language.ExpressionTreeNode
  gelementsToValue

Constructor Summary

Constructors
Constructor Description

Abs(ExpressionTreeNode param)
Creates a Abs expression that wraps the given parameter.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`RGBColor`	`evaluate(double x, double y)`	Evaluates this expression by taking the abs value of each component of the parameters evaluated color.

Methods inherited from class picasso.parser.language.expressions.UnaryFunction
equals, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - Abs
```
public Abs(ExpressionTreeNode param)
```
    Creates a Abs expression that wraps the given parameter.
    
    Parameters:
    
    param - the expression whose value should be absolute valued
- Method Detail
  - evaluate
```
public RGBColor evaluate(double x,
                         double y)
```
    Evaluates this expression by taking the abs value of each component of the parameters evaluated color.
    
    Specified by:
    
    evaluate in interface EvaluatableExpression
    
    Specified by:
    
    evaluate in class ExpressionTreeNode
    
    Parameters:
    
    x - the value of x
    
    y - the value of y
    
    Returns:
    
    the result of evaluating the expression for the given values of x and y