Package com.formdev.flatlaf.util

Class GrayFilter

  • All Implemented Interfaces:
    java.awt.image.ImageConsumer, java.lang.Cloneable
    public class GrayFilter
extends java.awt.image.RGBImageFilter
    An image filter that turns an image into a grayscale image. Used for icons in disabled buttons and labels.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private int alpha  
      private float brightness  
      private float contrast  
      private int origBrightness  
      private int origContrast  

      • Fields inherited from class java.awt.image.RGBImageFilter

        canFilterIndexColorModel, newmodel, origmodel

      • Fields inherited from class java.awt.image.ImageFilter

        consumer

      • Fields inherited from interface java.awt.image.ImageConsumer

        COMPLETESCANLINES, IMAGEABORTED, IMAGEERROR, RANDOMPIXELORDER, SINGLEFRAME, SINGLEFRAMEDONE, SINGLEPASS, STATICIMAGEDONE, TOPDOWNLEFTRIGHT

    • Constructor Summary

      Constructors 
      Constructor Description
      GrayFilter()  
      GrayFilter​(int brightness, int contrast, int alpha)  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static GrayFilter createDisabledIconFilter​(boolean dark)  
      int filterRGB​(int x, int y, int rgb)  
      int getAlpha()  
      int getBrightness()  
      int getContrast()  

      • Methods inherited from class java.awt.image.RGBImageFilter

        filterIndexColorModel, filterRGBPixels, setColorModel, setPixels, setPixels, substituteColorModel

      • Methods inherited from class java.awt.image.ImageFilter

        clone, getFilterInstance, imageComplete, resendTopDownLeftRight, setDimensions, setHints, setProperties

      • Methods inherited from class java.lang.Object

        equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • brightness

        private final float brightness

      • contrast

        private final float contrast

      • alpha

        private final int alpha

      • origContrast

        private final int origContrast

      • origBrightness

        private final int origBrightness

    • Constructor Detail

      • GrayFilter

        public GrayFilter​(int brightness,
                  int contrast,
                  int alpha)
        Parameters:
        brightness - in range [-100..100] where 0 has no effect
        contrast - in range [-100..100] where 0 has no effect
        alpha - in range [0..100] where 0 is transparent, 100 has no effect

      • GrayFilter

        public GrayFilter()

    • Method Detail

      • createDisabledIconFilter

        public static GrayFilter createDisabledIconFilter​(boolean dark)

      • getBrightness

        public int getBrightness()

      • getContrast

        public int getContrast()

      • getAlpha

        public int getAlpha()

      • filterRGB

        public int filterRGB​(int x,
                     int y,
                     int rgb)
        Specified by:
        filterRGB in class java.awt.image.RGBImageFilter