class Tsukuba::GC::RGB
Constants
- COLORS
Attributes
b[R]
g[R]
r[R]
Public Class Methods
new(red, green, blue)
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# File lib/tsukuba/gc/rgb.rb, line 8 def initialize(red, green, blue) @r = red @g = green @b = blue end
Public Instance Methods
type()
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# File lib/tsukuba/gc/rgb.rb, line 26 def type kind = nil min_dist = nil COLORS.each do |key, rgb| d = dist(rgb) if min_dist.nil? || min_dist > d min_dist = d kind = key end end return kind end
Private Instance Methods
dist(rgb)
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# File lib/tsukuba/gc/rgb.rb, line 43 def dist(rgb) dr = @r - rgb.r dg = @g - rgb.g db = @b - rgb.b return dr * dr + dg * dg + db * db end