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- 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.
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Field Summary
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Fields inherited from class java.awt.image.RGBImageFilter
canFilterIndexColorModel, newmodel, origmodel
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Fields inherited from class java.awt.image.ImageFilter
consumer
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Fields inherited from interface java.awt.image.ImageConsumer
COMPLETESCANLINES, IMAGEABORTED, IMAGEERROR, RANDOMPIXELORDER, SINGLEFRAME, SINGLEFRAMEDONE, SINGLEPASS, STATICIMAGEDONE, TOPDOWNLEFTRIGHT
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Constructor Summary
Constructors Constructor and Description GrayFilter(boolean b, int p)Constructs a GrayFilter object that filters a color image to a grayscale image.
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Method Summary
Methods Modifier and Type Method and Description static ImagecreateDisabledImage(Image i)Creates a disabled imageintfilterRGB(int x, int y, int rgb)OverridesRGBImageFilter.filterRGB.-
Methods inherited from class java.awt.image.RGBImageFilter
filterIndexColorModel, filterRGBPixels, setColorModel, setPixels, setPixels, substituteColorModel
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Methods inherited from class java.awt.image.ImageFilter
clone, getFilterInstance, imageComplete, resendTopDownLeftRight, setDimensions, setHints, setProperties
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Constructor Detail
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GrayFilter
public 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 brightenedp- 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
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filterRGB
public int filterRGB(int x, int y, int rgb)OverridesRGBImageFilter.filterRGB.- Specified by:
filterRGBin classRGBImageFilter- Parameters:
x- the X coordinate of the pixely- the Y coordinate of the pixelrgb- 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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