Class MaskFilter

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

    public class MaskFilter
    extends java.awt.image.RGBImageFilter
    An image filter that replaces one color in an image with another color.
    • 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
      MaskFilter​(java.awt.Color oldColor, java.awt.Color newColor)
      Constructs a MaskFilter object that filters color of image to another color Please note, you can also use getInstance(java.awt.Color, java.awt.Color) to reuse the same instance of MaskFilter.
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static java.awt.Image createImage​(java.awt.Image i, java.awt.Color oldColor, java.awt.Color newColor)
      Creates an image from an existing one by replacing the old color with the new color.
      static java.awt.Image createNegativeImage​(java.awt.Image i)
      Creates an image as negative of an existing one.
      int filterRGB​(int x, int y, int rgb)
      Overrides RGBImageFilter.filterRGB.
      static MaskFilter getInstance​(java.awt.Color oldColor, java.awt.Color newColor)  
      • 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

      • MaskFilter

        public MaskFilter​(java.awt.Color oldColor,
                          java.awt.Color newColor)
        Constructs a MaskFilter object that filters color of image to another color Please note, you can also use getInstance(java.awt.Color, java.awt.Color) to reuse the same instance of MaskFilter.
        Parameters:
        oldColor - old color in exist image that needs to be replaced by new color
        newColor - new color to replace the old color
    • Method Detail

      • getInstance

        public static MaskFilter getInstance​(java.awt.Color oldColor,
                                             java.awt.Color newColor)
      • createImage

        public static java.awt.Image createImage​(java.awt.Image i,
                                                 java.awt.Color oldColor,
                                                 java.awt.Color newColor)
        Creates an image from an existing one by replacing the old color with the new color.
      • createNegativeImage

        public static java.awt.Image createNegativeImage​(java.awt.Image i)
        Creates an image as negative of an existing one. It will basically replace the black color with white color.
      • filterRGB

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