How to use

borderExt

method

in

boofcv.abst.distort.FDistort

/**
 * Scales the image and sets the border to {@link BorderType#EXTENDED}. This is normally what you want
 * to do when scaling an image.  If you don't use an extended border when you hit the right and bottom
 * boundaries it will go outside the image bounds and if a fixed value of 0 is used it will average towards
 * zero.
 */
public FDistort scaleExt() {
  return scale().borderExt();
}