class PixelPicker::ColorName
Attributes
image_file[RW]
Public Class Methods
new(image_file)
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# File lib/pixel_picker/color_name.rb, line 8 def initialize(image_file) self.image_file = image_file end
Public Instance Methods
max()
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# File lib/pixel_picker/color_name.rb, line 44 def max palette.max {|a, b| a[1] <=> b[1]}.first end
min()
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# File lib/pixel_picker/color_name.rb, line 48 def min palette.min {|a, b| a[1] <=> b[1]}.first end
palette()
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# File lib/pixel_picker/color_name.rb, line 12 def palette picture = ImageList.new(image_file) palette = {} picture.each_pixel do |pixel, c, r| next if pixel.to_hsla.last == 0 case pixel.to_hsla.first when 0..20, 330..360 color_name = :red when 20..50 color_name = :orange when 50..69 color_name = :yellow when 70..84 color_name = :lime when 85..170 color_name = :green when 171..191 color_name = :aqua when 192..264 color_name = :blue when 265..289 color_name = :violet when 290..329 color_name = :purple else next end palette[color_name].nil? ? palette[color_name] = 1 : palette[color_name] += 1 end palette end