Clamp (Hot Shots' Picasso API (including private classes))

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

All Implemented Interfaces:

EvaluatableExpression
```
public class Clamp
extends UnaryFunction
```
Represents the clamp function in the Picasso language. Clamps color values to the range [-1, 1].

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

Constructor Summary

Constructors
Constructor Description

Clamp(ExpressionTreeNode param)
Create a clamp expression tree that applies clamp() to 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 at (x, y) by clamping each RGB component to [-1, 1].

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
  - Clamp
```
public Clamp(ExpressionTreeNode param)
```
    Create a clamp expression tree that applies clamp() to the given parameter.
    
    Parameters:
    
    param - the expression whose values we will clamp
- Method Detail
  - evaluate
```
public RGBColor evaluate(double x,
                         double y)
```
    Evaluates this expression at (x, y) by clamping each RGB component to [-1, 1].
    
    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