SubsamplingFilter

java.lang.Object

java.awt.image.ImageFilter

java.awt.image.ReplicateScaleFilter

com.twelvemonkeys.image.SubsamplingFilter

All Implemented Interfaces:: ImageConsumer, Cloneable

public class SubsamplingFilter extends ReplicateScaleFilter

An ImageFilter class for subsampling images.

It is meant to be used in conjunction with a FilteredImageSource object to produce subsampled versions of existing images.

Version:

$Id: //depot/branches/personal/haraldk/twelvemonkeys/release-2/twelvemonkeys-core/src/main/java/com/twelvemonkeys/image/SubsamplingFilter.java#1 $

See Also:

Field Summary

Fields

Modifier and Type

Field

Description

private int

xSub

private int

ySub

Fields inherited from class java.awt.image.ReplicateScaleFilter
destHeight, destWidth, outpixbuf, srccols, srcHeight, srcrows, srcWidth

Fields inherited from class java.awt.image.ImageFilter
consumer

Fields inherited from interface java.awt.image.ImageConsumer
COMPLETESCANLINES, IMAGEABORTED, IMAGEERROR, RANDOMPIXELORDER, SINGLEFRAME, SINGLEFRAMEDONE, SINGLEPASS, STATICIMAGEDONE, TOPDOWNLEFTRIGHT
Constructor Summary

Constructors

Constructor

Description

SubsamplingFilter(int pXSub, int pYSub)

Creates a SubsamplingFilter.
Method Summary

Modifier and Type

Method

Description

void

setDimensions(int pWidth, int pHeight)

ImageFilter implementation, do not invoke.

Methods inherited from class java.awt.image.ReplicateScaleFilter
setPixels, setPixels, setProperties

Methods inherited from class java.awt.image.ImageFilter
clone, getFilterInstance, imageComplete, resendTopDownLeftRight, setColorModel, setHints

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

Field Details
- xSub
  
  private int xSub
- ySub
  
  private int ySub
Constructor Details
- SubsamplingFilter
  
  public SubsamplingFilter(int pXSub, int pYSub)
  
  Creates a SubsamplingFilter.
  
  Parameters:
  
  pXSub -
  
  pYSub -
  
  Throws:
  
  IllegalArgumentException - if pXSub or pYSub is less than 1.
Method Details
- setDimensions
  
  public void setDimensions(int pWidth, int pHeight)
  
  ImageFilter implementation, do not invoke.
  
  Specified by:
  
  setDimensions in interface ImageConsumer
  
  Overrides:
  
  setDimensions in class ReplicateScaleFilter