GrayscaleFunction (Geotools modules 30-SNAPSHOT API)

Object
- ExpressionAbstract
- - FunctionImpl
  - - GrayscaleFunction

All Implemented Interfaces:

Expression, Function
```
public class GrayscaleFunction
extends FunctionImpl
```
Tint lesscss.org color function. Takes one colors and mixes it with white based on a weight (and their eventual alpha)

Author:

Andrea Aime - GeoSolutions

Field Summary

Fields
Modifier and Type Field Description

static FunctionName NAME
- Fields inherited from class FunctionImpl
  functionName
- Fields inherited from interface Expression
  NIL

Constructor Summary

Constructors
Constructor Description

GrayscaleFunction()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`evaluate(Object object)`	Default implementation simply returns the fallbackValue.
`String`	`toString()`	Creates a String representation of this Function with the function name and the arguments.

Methods inherited from class FunctionImpl
accept, dispatchArguments, equals, functionName, getFallbackValue, getFunctionName, getName, getParameters, getParameterValue, getParameterValue, hashCode, setFallbackValue, setName, setParameters

Methods inherited from class ExpressionAbstract
evaluate

Methods inherited from class Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Expression
evaluate

- Field Detail
  - NAME
```
public static FunctionName NAME
```
- Constructor Detail
  - GrayscaleFunction
```
public GrayscaleFunction()
```
- Method Detail
  - evaluate
```
public Object evaluate(Object object)
```
    Description copied from class: FunctionImpl
    
    Default implementation simply returns the fallbackValue.
    Please override this method to produce a value based on the provided arguments.
    
    Specified by:
    
    evaluate in interface Expression
    
    Overrides:
    
    evaluate in class FunctionImpl
    
    Parameters:
    
    object - Object being evaluated; often a Feature
    
    Returns:
    
    value for the provided object
  - toString
```
public String toString()
```
    Creates a String representation of this Function with the function name and the arguments.
    
    Overrides:
    
    toString in class FunctionImpl