ContributorMural::Ink
Inherits Enum < Comparable < Value < Object
What in a silhouette's image counts as the shape.
Constants
Auto = 0
alpha for an image with a transparent background, otherwise dark or
light — whichever is not the colour of the image's own border.
Alpha = 1
Anything opaque, whatever its colour: a logo cut out of a transparent PNG.
Dark = 2
Dark on light: a black logo on a white JPEG.
Light = 3
Light on dark: a white logo on a black background.