Class: Vips::Extend

Inherits:

Symbol

• Object
• Symbol
• Vips::Extend

Defined in:

lib/vips/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