org.opensourcephysics.media.core
Class ThresholdFilter

java.lang.Object
  extended by org.opensourcephysics.media.core.Filter
      extended by org.opensourcephysics.media.core.ThresholdFilter

public class ThresholdFilter
extends Filter

This is a Filter that produces a b/w version of the source.

Version:
1.0
Author:
Douglas Brown

Field Summary
 
Fields inherited from class org.opensourcephysics.media.core.Filter
ableButton, clearButton, closeButton, deleteItem, enabledAction, enabledItem, frame, hasInspector, inspectorVisible, inspectorX, inspectorY, propertiesItem, stack, support, vidPanel
 
Constructor Summary
ThresholdFilter()
          Constructs a default ThresholdFilter object.
 
Method Summary
 java.awt.image.BufferedImage getFilteredImage(java.awt.image.BufferedImage sourceImage)
          Applies the filter to a source image and returns the result.
 javax.swing.JDialog getInspector()
          Implements abstract Filter method.
static XML.ObjectLoader getLoader()
          Returns an XML.ObjectLoader to save and load filter data.
 int getThreshold()
          Gets the threshold.
 void refresh()
          Refreshes this filter's GUI
 void setThreshold(int threshold)
          Sets the threshold.
 
Methods inherited from class org.opensourcephysics.media.core.Filter
addPropertyChangeListener, addPropertyChangeListener, clear, getMenu, isEnabled, removePropertyChangeListener, removePropertyChangeListener, setEnabled
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ThresholdFilter

public ThresholdFilter()
Constructs a default ThresholdFilter object.

Method Detail

setThreshold

public void setThreshold(int threshold)
Sets the threshold. Pixels brighter than the threshold become white, those not brighter become black.

Parameters:
threshold - the threshold.

getThreshold

public int getThreshold()
Gets the threshold. Pixels brighter than the threshold become white, those not brighter become black.

Returns:
the threshold.

getFilteredImage

public java.awt.image.BufferedImage getFilteredImage(java.awt.image.BufferedImage sourceImage)
Applies the filter to a source image and returns the result.

Specified by:
getFilteredImage in class Filter
Parameters:
sourceImage - the source image
Returns:
the filtered image

getInspector

public javax.swing.JDialog getInspector()
Implements abstract Filter method.

Specified by:
getInspector in class Filter
Returns:
the inspector

refresh

public void refresh()
Refreshes this filter's GUI

Overrides:
refresh in class Filter

getLoader

public static XML.ObjectLoader getLoader()
Returns an XML.ObjectLoader to save and load filter data.

Returns:
the object loader