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