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Java Source Code / Java Documentation » 6.0 JDK Core » swing » javax.swing 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.awt.image.ImageFilter
      java.awt.image.RGBImageFilter
         javax.swing.GrayFilter

GrayFilter
public class GrayFilter extends RGBImageFilter (Code)
An image filter that "disables" an image by turning it into a grayscale image, and brightening the pixels in the image. Used by buttons to create an image for a disabled button.
author:
   Jeff Dinkins
author:
   Tom Ball
author:
   Jim Graham
version:
   1.22 05/05/07



Constructor Summary
public  GrayFilter(boolean b, int p)
     Constructs a GrayFilter object that filters a color image to a grayscale image.

Method Summary
public static  ImagecreateDisabledImage(Image i)
    
public  intfilterRGB(int x, int y, int rgb)
     Overrides RGBImageFilter.filterRGB.


Constructor Detail
GrayFilter
public GrayFilter(boolean b, int p)(Code)
Constructs a GrayFilter object that filters a color image to a grayscale image. Used by buttons to create disabled ("grayed out") button images.
Parameters:
  b - a boolean -- true if the pixels should be brightened
Parameters:
  p - an int in the range 0..100 that determines the percentageof gray, where 100 is the darkest gray, and 0 is the lightest




Method Detail
createDisabledImage
public static Image createDisabledImage(Image i)(Code)
Creates a disabled image



filterRGB
public int filterRGB(int x, int y, int rgb)(Code)
Overrides RGBImageFilter.filterRGB.



Fields inherited from java.awt.image.RGBImageFilter
protected boolean canFilterIndexColorModel(Code)(Java Doc)
protected ColorModel newmodel(Code)(Java Doc)
protected ColorModel origmodel(Code)(Java Doc)

Methods inherited from java.awt.image.RGBImageFilter
public IndexColorModel filterIndexColorModel(IndexColorModel icm)(Code)(Java Doc)
abstract public int filterRGB(int x, int y, int rgb)(Code)(Java Doc)
public void filterRGBPixels(int x, int y, int w, int h, int pixels, int off, int scansize)(Code)(Java Doc)
public void setColorModel(ColorModel model)(Code)(Java Doc)
public void setPixels(int x, int y, int w, int h, ColorModel model, byte pixels, int off, int scansize)(Code)(Java Doc)
public void setPixels(int x, int y, int w, int h, ColorModel model, int pixels, int off, int scansize)(Code)(Java Doc)
public void substituteColorModel(ColorModel oldcm, ColorModel newcm)(Code)(Java Doc)

Fields inherited from java.awt.image.ImageFilter
protected ImageConsumer consumer(Code)(Java Doc)

Methods inherited from java.awt.image.ImageFilter
public Object clone()(Code)(Java Doc)
public ImageFilter getFilterInstance(ImageConsumer ic)(Code)(Java Doc)
public void imageComplete(int status)(Code)(Java Doc)
public void resendTopDownLeftRight(ImageProducer ip)(Code)(Java Doc)
public void setColorModel(ColorModel model)(Code)(Java Doc)
public void setDimensions(int width, int height)(Code)(Java Doc)
public void setHints(int hints)(Code)(Java Doc)
public void setPixels(int x, int y, int w, int h, ColorModel model, byte pixels, int off, int scansize)(Code)(Java Doc)
public void setPixels(int x, int y, int w, int h, ColorModel model, int pixels, int off, int scansize)(Code)(Java Doc)
public void setProperties(Hashtable props)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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