Evaluator

java.lang.Object

picasso.view.commands.Evaluator

All Implemented Interfaces:: Command<Pixmap>

public class Evaluator extends Object implements Command<Pixmap>

Evaluate an expression for each pixel in a image.

Author:: Robert C Duvall, Sara Sprenkle

Field Summary

Fields

Modifier and Type

Field

Description

static final double

DOMAIN_MAX

static final double

DOMAIN_MIN
Constructor Summary

Constructors

Constructor

Description

Evaluator()
Method Summary

Modifier and Type

Method

Description

private ExpressionTreeNode

createExpression()

A place holder for a more interesting way to build the expression.

void

execute(Pixmap target)

Evaluate an expression for each point in the image.

protected double

imageToDomainScale(int value, int bounds)

Convert from image space to domain space.

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

Field Details
- DOMAIN_MIN
  
  public static final double DOMAIN_MIN
  See Also:
  
  Constant Field Values
- DOMAIN_MAX
  
  public static final double DOMAIN_MAX
  See Also:
  
  Constant Field Values
Constructor Details
- Evaluator
  
  public Evaluator()
Method Details
- execute
  
  public void execute(Pixmap target)
  
  Evaluate an expression for each point in the image.
  
  Specified by:
  
  execute in interface Command<Pixmap>
- imageToDomainScale
  
  protected double imageToDomainScale(int value, int bounds)
  
  Convert from image space to domain space.
- createExpression
  
  private ExpressionTreeNode createExpression()
  
  A place holder for a more interesting way to build the expression.