java.lang.Object
java.awt.image.ImageFilter
java.awt.image.RGBImageFilter
javax.swing.GrayFilter
- All Implemented Interfaces:
ImageConsumer
,Cloneable
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.RGBImageFilter
canFilterIndexColorModel, newmodel, origmodel
Fields declared in class java.awt.image.ImageFilter
consumer
Fields declared in interface java.awt.image.ImageConsumer
COMPLETESCANLINES, IMAGEABORTED, IMAGEERROR, RANDOMPIXELORDER, SINGLEFRAME, SINGLEFRAMEDONE, SINGLEPASS, STATICIMAGEDONE, TOPDOWNLEFTRIGHT
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Constructor Summary
ConstructorDescriptionGrayFilter
(boolean b, int p) Constructs a GrayFilter object that filters a color image to a grayscale image. -
Method Summary
Methods declared in class java.awt.image.RGBImageFilter
filterIndexColorModel, filterRGBPixels, setColorModel, setPixels, setPixels, substituteColorModel
Methods declared in class java.awt.image.ImageFilter
clone, getFilterInstance, imageComplete, resendTopDownLeftRight, setDimensions, setHints, setProperties
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Constructor Details
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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 Details
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createDisabledImage
Creates a disabled image- Parameters:
i
- anImage
to be created as disabled- Returns:
- the new grayscale image created from
i
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filterRGB
public int filterRGB(int x, int y, int rgb) OverridesRGBImageFilter.filterRGB
.- Specified by:
filterRGB
in 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:
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