Color Attribute Keys

Color types.

Topics

Constants

kCIAttributeTypeOpaqueColor

A Core Image color (CIColor object) that specifies red, green, and blue component values. Use this key for colors with no alpha component. If the key is not present, Core Image assumes color with alpha.

kCIAttributeTypeGradient

An n-by-1 gradient image used to describe a color ramp.

kCIAttributeTypeColor

A Core Image color (CIColor object) that specifies red, green, and blue component values.