Class: Fixnum

Inherits:
Object
  • Object
show all
Defined in:
lib/cha_work/sugar/fixnum.rb

Instance Method Summary collapse

Instance Method Details

#cgcolor(alpha = nil) ⇒ Object 



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# File 'lib/cha_work/sugar/fixnum.rb', line 22

def cgcolor(alpha=nil)
  uicolor(alpha).CGColor
end

#skcolor(alpha = nil) ⇒ Object 



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# File 'lib/cha_work/sugar/fixnum.rb', line 26

def skcolor(alpha=nil)
  uicolor(alpha)
end

#uicolor(alpha = nil) ⇒ Object

0xffeedd.uicolor

>

UIColor.colorWithRed(0xFF / 255.0, green: 0xEE / 255.0, blue: 0xDD / 255.0, alpha: 1.0)
# ≈ UIColor.colorWithRed(1.0, green: 0.933, blue: 0.867, alpha: 1.0)

0xffeedd.uicolor(0.25)

>

UIColor.colorWithRed(0xFF / 255.0, green: 0xEE / 255.0, blue: 0xDD / 255.0, alpha: 0.25)
# ≈ UIColor.colorWithRed(1.0, green: 0.933, blue: 0.867, alpha: 0.25)



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# File 'lib/cha_work/sugar/fixnum.rb', line 12

def uicolor(alpha=nil)
  alpha = 1.0 if alpha.nil?

  red = ((self & 0xFF0000) >> 16).to_f / 255.0
  green = ((self & 0xFF00) >> 8).to_f / 255.0
  blue = (self & 0xFF).to_f / 255.0

  UIColor.colorWithRed(red, green: green, blue: blue, alpha: alpha.to_f)
end