- java.lang.Object
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- java.awt.image.ImageFilter
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- java.awt.image.RGBImageFilter
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- javax.swing.GrayFilter
 
 
 
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- All Implemented Interfaces:
- ImageConsumer,- Cloneable
 
 public class GrayFilter extends RGBImageFilter 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.- Since:
- 1.2
 
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Field Summary- 
Fields declared in class java.awt.image.RGBImageFiltercanFilterIndexColorModel, newmodel, origmodel
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Fields declared in class java.awt.image.ImageFilterconsumer
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Fields declared in interface java.awt.image.ImageConsumerCOMPLETESCANLINES, IMAGEABORTED, IMAGEERROR, RANDOMPIXELORDER, SINGLEFRAME, SINGLEFRAMEDONE, SINGLEPASS, STATICIMAGEDONE, TOPDOWNLEFTRIGHT
 
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Constructor SummaryConstructors Constructor Description GrayFilter(boolean b, int p)Constructs a GrayFilter object that filters a color image to a grayscale image.
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Method SummaryAll Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static ImagecreateDisabledImage(Image i)Creates a disabled imageintfilterRGB(int x, int y, int rgb)OverridesRGBImageFilter.filterRGB.- 
Methods declared in class java.awt.image.RGBImageFilterfilterIndexColorModel, filterRGBPixels, setColorModel, setPixels, setPixels, substituteColorModel
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Methods declared in class java.awt.image.ImageFilterclone, getFilterInstance, imageComplete, resendTopDownLeftRight, setDimensions, setHints, setProperties
 
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Constructor Detail- 
GrayFilterpublic GrayFilter(boolean b, int p)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
- p- an int in the range 0..100 that determines the percentage of gray, where 100 is the darkest gray, and 0 is the lightest
 
 
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Method Detail- 
createDisabledImagepublic static Image createDisabledImage(Image i) Creates a disabled image- Parameters:
- i- an- Imageto be created as disabled
- Returns:
- the new grayscale image created from i
 
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filterRGBpublic int filterRGB(int x, int y, int rgb)OverridesRGBImageFilter.filterRGB.- Specified by:
- filterRGBin class- RGBImageFilter
- Parameters:
- x- the X coordinate of the pixel
- y- the Y coordinate of the pixel
- rgb- the integer pixel representation in the default RGB color model
- Returns:
- a filtered pixel in the default RGB color model.
- See Also:
- ColorModel.getRGBdefault(),- RGBImageFilter.filterRGBPixels(int, int, int, int, int[], int, int)
 
 
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