org.opensourcephysics.media.core

Class ThresholdFilter

java.lang.Object

org.opensourcephysics.media.core.Filter

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

Constructors

Constructor and Description
ThresholdFilter() Constructs a default ThresholdFilter object.

Method Summary

Methods

Modifier and Type	Method and Description
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