java.awt.image.FilteredImageSource Maven / Gradle / Ivy
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*/
package java.awt.image;
import java.awt.Image;
import java.awt.image.ImageFilter;
import java.awt.image.ImageConsumer;
import java.awt.image.ImageProducer;
import java.util.Hashtable;
import java.awt.image.ColorModel;
/**
* This class is an implementation of the ImageProducer interface which
* takes an existing image and a filter object and uses them to produce
* image data for a new filtered version of the original image.
* Here is an example which filters an image by swapping the red and
* blue compents:
*
*
* Image src = getImage("doc:///demo/images/duke/T1.gif");
* ImageFilter colorfilter = new RedBlueSwapFilter();
* Image img = createImage(new FilteredImageSource(src.getSource(),
* colorfilter));
*
*
*
* @see ImageProducer
*
* @version 1.25 01/23/03
* @author Jim Graham
*/
public class FilteredImageSource implements java.awt.image.ImageProducer
{
/**
* Constructs an ImageProducer object from an existing ImageProducer
* and a filter object.
* @param orig the specified ImageProducer
* @param imgf the specified ImageFilter
* @see ImageFilter
* @see java.awt.Component#createImage
*/
public FilteredImageSource(java.awt.image.ImageProducer orig,
java.awt.image.ImageFilter imgf)
{ }
/**
* Adds an ImageConsumer to the list of consumers interested in
* data for this image.
* @see ImageConsumer
*/
public synchronized void addConsumer(java.awt.image.ImageConsumer ic) { }
/**
* Determines whether an ImageConsumer is on the list of consumers
* currently interested in data for this image.
* @param ic the specified ImageConsumer
* @return true if the ImageConsumer is on the list; false otherwise
* @see ImageConsumer
*/
public synchronized boolean isConsumer(java.awt.image.ImageConsumer ic) { return false; }
/**
* Removes an ImageConsumer from the list of consumers interested in
* data for this image.
* @see ImageConsumer
*/
public synchronized void removeConsumer(java.awt.image.ImageConsumer ic) { }
/**
* Adds an ImageConsumer to the list of consumers interested in
* data for this image, and immediately starts delivery of the
* image data through the ImageConsumer interface.
* @see ImageConsumer
*/
public void startProduction(java.awt.image.ImageConsumer ic) { }
/**
* Requests that a given ImageConsumer have the image data delivered
* one more time in top-down, left-right order. The request is
* handed to the ImageFilter for further processing, since the
* ability to preserve the pixel ordering depends on the filter.
* @see ImageConsumer
*/
public void requestTopDownLeftRightResend(java.awt.image.ImageConsumer ic)
{ }
}