Method Detail

• isBlack

  boolean isBlack(int x,
                  int y)

  Returns if the pixel specified by the location in the arguments is black.

  Parameters:

  x - the horizontal location of the pixel

  y - the vertical location of the pixel

  Throws:

  java.lang.IllegalArgumentException - if any of the parameters are invalid

• isWhite

  boolean isWhite(int x,
                  int y)

  Returns if the pixel specified by the location in the arguments is white.

  Parameters:

  x - the horizontal location of the pixel

  y - the vertical location of the pixel

  Throws:

  java.lang.IllegalArgumentException - if any of the parameters are invalid

• putBlack

  void putBlack(int x,
                int y)

  Sets a pixel to black (minimum intensity value).

  Parameters:

  x - horizontal position of the pixel's location

  y - vertical position of the pixel's location

• putWhite

  void putWhite(int x,
                int y)

  Sets a pixel to white (maximum intensity value).

  Parameters:

  x - horizontal position of the pixel's location

  y - vertical position of the pixel's location