Class ColorFilter

  • All Implemented Interfaces:
    java.awt.image.ImageConsumer, java.lang.Cloneable

    public class ColorFilter
    extends java.awt.image.RGBImageFilter
    An image filter that brightens or darkens an existing image.
    • Field Summary

      • 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
      ColorFilter​(boolean b, int p)
      Constructs a ColorFilter object that filters a color image to a brighter or a darker image.
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static java.awt.Image createBrighterImage​(java.awt.Image i)
      Creates a brighter image
      static java.awt.Image createBrighterImage​(java.awt.Image i, int p)
      Creates a brighter image with a given percentage of brightness
      static java.awt.Image createDarkerImage​(java.awt.Image i)
      Creates a darker image
      static java.awt.Image createDarkerImage​(java.awt.Image i, int p)
      Creates a darker image with a given percentage of darkness
      int filterRGB​(int x, int y, int rgb)
      Overrides RGBImageFilter.filterRGB.
      static ColorFilter getInstance​(boolean brighter, int percent)  
      static int getPercent()  
      void setBrighter​(boolean brighter)  
      static void setPercent​(int percent)  
      • 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
    • Constructor Detail

      • ColorFilter

        public ColorFilter​(boolean b,
                           int p)
        Constructs a ColorFilter object that filters a color image to a brighter or a darker image. Please note, you can also use getInstance(boolean, int) to reuse the same instance of ColorFilter.
        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
    • Method Detail

      • getInstance

        public static ColorFilter getInstance​(boolean brighter,
                                              int percent)
      • setBrighter

        public void setBrighter​(boolean brighter)
      • setPercent

        public static void setPercent​(int percent)
      • getPercent

        public static int getPercent()
      • createBrighterImage

        public static java.awt.Image createBrighterImage​(java.awt.Image i)
        Creates a brighter image
        Parameters:
        i - the original image
        Returns:
        a brighter image
      • createBrighterImage

        public static java.awt.Image createBrighterImage​(java.awt.Image i,
                                                         int p)
        Creates a brighter image with a given percentage of brightness
        Parameters:
        i - the original image
        p - percentage of brightness
        Returns:
        a brighter image
      • createDarkerImage

        public static java.awt.Image createDarkerImage​(java.awt.Image i)
        Creates a darker image
        Parameters:
        i - the original image
        Returns:
        a darker image.
      • createDarkerImage

        public static java.awt.Image createDarkerImage​(java.awt.Image i,
                                                       int p)
        Creates a darker image with a given percentage of darkness
        Parameters:
        i - the original image
        p - percentage of darkness
        Returns:
        a darker image.
      • filterRGB

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