Class: Vips::Extend

Inherits:
Object
  • Object
show all
Defined in:
lib/vips8/extend.rb

Overview

When the edges of an image are extended, you can specify how you want the extension done. See Image.embed, Image.conv, Image.affine and so on.

  • :black new pixels are black, ie. all bits are zero.

  • :copy each new pixel takes the value of the nearest edge pixel

  • :repeat the image is tiled to fill the new area

  • :mirror the image is reflected and tiled to reduce hash edges

  • :white new pixels are white, ie. all bits are set

  • :background colour set from the @background property