Class: Vips::Coding

Inherits:

Symbol

• Object
• Symbol
• Vips::Coding

Defined in:

lib/vips/coding.rb

Overview

How pixels are coded.

Normally, pixels are uncoded and can be manipulated as you would expect. However some file formats code pixels for compression, and sometimes it's useful to be able to manipulate images in the coded format.

• :none pixels are not coded
• :labq pixels encode 3 float CIELAB values as 4 uchar
• :rad pixels encode 3 float RGB as 4 uchar (Radiance coding)