public class GrayFilter extends RGBImageFilter
canFilterIndexColorModel, newmodel, origmodelconsumerCOMPLETESCANLINES, IMAGEABORTED, IMAGEERROR, RANDOMPIXELORDER, SINGLEFRAME, SINGLEFRAMEDONE, SINGLEPASS, STATICIMAGEDONE, TOPDOWNLEFTRIGHT| Constructor and Description | 
|---|
| GrayFilter(boolean b, int p)
              构造一个将彩色图像过滤到灰度图像的GrayFilter对象。 
             | 
| Modifier and Type | Method and Description | 
|---|---|
| static Image | createDisabledImage(Image i)
              创建禁用的图像 
             | 
| int | filterRGB(int x, int y, int rgb)
              覆盖 
              RGBImageFilter.filterRGB。 | 
filterIndexColorModel, filterRGBPixels, setColorModel, setPixels, setPixels, substituteColorModelclone, getFilterInstance, imageComplete, resendTopDownLeftRight, setDimensions, setHints, setPropertiespublic GrayFilter(boolean b,
                  int p) 
          b - 一个布尔值 - 如果像素应该变亮,则为真 
           p - 一个在0..100范围内的int,它决定了灰色的百分比,其中100是最深的灰色,0是最亮的 
           public int filterRGB(int x,
                     int y,
                     int rgb) 
          RGBImageFilter.filterRGB 。 
          filterRGB在 
            RGBImageFilter 
           x - 像素的X坐标 
           y - 像素的Y坐标 
           rgb - 默认RGB颜色模型中的整数像素表示 
           ColorModel.getRGBdefault() , 
            RGBImageFilter.filterRGBPixels(int, int, int, int, int[], int, int) 
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