Clamp (Game Changers' 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.

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 takes as a parameter the given expression

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`RGBColor`	`evaluate(double x, double y)`	Evaluates this expression at the given x,y point by evaluating the clamp of the function's parameter.

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 takes as a parameter the given expression
    
    Parameters:
    
    param - the expression to clamp
- Method Detail
  - evaluate
```
public RGBColor evaluate(double x,
                         double y)
```
    Evaluates this expression at the given x,y point by evaluating the clamp of the function's parameter.
    
    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 color from evaluating the clamp of the expression's parameter