Method Detail

• getSize

  float getSize()

  Width in pixels of the filter extents. The filter will be applied to the range of pixels within a box of +/- getSize() / 2 around the center of the pixel.

  Returns:

  width in pixels

• get

  float get​(float x,
            float y)

  Get value of the filter at offset (x, y). The filter should never be called with values beyond its extents but should return 0 in those cases anyway.

  Parameters:

  x - x offset in pixels

  y - y offset in pixels

  Returns:

  value of the filter at the specified location