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colour<-lookup
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class colour
Get methods
colour<-red
colour<-green
colour<-blue
colour<-alpha
colour<-hue
colour<-saturnation
colour<-value
colour<-intensity
colour<-distance
colour<-hilite
colour<-reduce
colour<-convert
colour<-lookup
colour<-storage_reference
colour <-lookup:
[name
|
int], red=[0..360], green=[0..255], blue=[0..255], alpha=[0..255], model=[{rgb,hsv}]
->
colour
Return an existing colour from
@colours
matching the arguments, or fail. Used internally to deduplicate equivalent colours; mirrors the signature of
colour
->
initialise
.