Class: Iroki::Color::Gradient

Inherits:
Object
  • Object
show all
Defined in:
lib/iroki/color/gradient.rb

Direct Known Subclasses

SingleGroupGradient, TwoGroupGradient

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#color_hex_codes ⇒ Object

Returns the value of attribute color_hex_codes.



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# File 'lib/iroki/color/gradient.rb', line 22

def color_hex_codes
  @color_hex_codes
end

#lumins ⇒ Object

Returns the value of attribute lumins.



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# File 'lib/iroki/color/gradient.rb', line 22

def lumins
  @lumins
end

#max_lumin ⇒ Object

Returns the value of attribute max_lumin.



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# File 'lib/iroki/color/gradient.rb', line 22

def max_lumin
  @max_lumin
end

#min_lumin ⇒ Object

Returns the value of attribute min_lumin.



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# File 'lib/iroki/color/gradient.rb', line 22

def min_lumin
  @min_lumin
end

#samples ⇒ Object

Returns the value of attribute samples.



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# File 'lib/iroki/color/gradient.rb', line 22

def samples
  @samples
end

#single_color ⇒ Object

Returns the value of attribute single_color.



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# File 'lib/iroki/color/gradient.rb', line 22

def single_color
  @single_color
end

Instance Method Details

#counts_to_rabunds(counts) ⇒ Object 



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# File 'lib/iroki/color/gradient.rb', line 71

def counts_to_rabunds counts
  max_count = counts.max.to_f

  counts.map do |count|
    count / max_count
  end
end

#patterns ⇒ Object 



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# File 'lib/iroki/color/gradient.rb', line 61

def patterns
  hash = {}
  @samples.zip(@color_hex_codes).each do |(sample, hexcode)|
    tag = Iroki::Color.get_tag hexcode
    hash[sample] = { label: tag, branch: tag }
  end

  hash
end

#rabunds_to_lumins(rabunds) ⇒ Object 



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# File 'lib/iroki/color/gradient.rb', line 79

def rabunds_to_lumins rabunds
  rabunds.map do |count|
    # scale_reverse count, new_min=50, new_max=97
    # scale_reverse count, new_min=35, new_max=85
    scale_reverse count, new_min=@min_lumin, new_max=@max_lumin
    # scale_reverse count, 0.0, 50.0
  end
end

#scale(x, new_min = 0.05, new_max = 0.9, old_min = 0.0, old_max = 1.0) ⇒ Object

scales [old_min, old_max] to [new_min, new_max]



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# File 'lib/iroki/color/gradient.rb', line 30

def scale x,
          new_min=0.05,
          new_max=0.9,
          old_min=0.0,
          old_max=1.0

  x = x.to_f
  new_min = new_min.to_f
  new_max = new_max.to_f
  old_min = old_min.to_f
  old_max = old_max.to_f

  ((((new_max - new_min) * (x - old_min.to_f)) / (old_max - old_min)) + new_min)
end

#scale_reverse(x, new_min = 0.0, new_max = 0.0, old_min = 0.0, old_max = 1.0) ⇒ Object

scales [old_min, old_max] to [new_max, new_min]



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# File 'lib/iroki/color/gradient.rb', line 46

def scale_reverse x,
                  new_min=0.0,
                  new_max=0.0,
                  old_min=0.0,
                  old_max=1.0

  x = x.to_f
  new_min = new_min.to_f
  new_max = new_max.to_f
  old_min = old_min.to_f
  old_max = old_max.to_f

  (new_max - ((((new_max - new_min) * (x - old_min.to_f)) / (old_max - old_min)) + new_min)) + new_min
end