Class: PSD::Util

Inherits:
Object
  • Object
show all
Defined in:
lib/psd/util.rb

Class Method Summary collapse

Class Method Details

.clamp(num, min, max) ⇒ Object 



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# File 'lib/psd/util.rb', line 13

def self.clamp(num, min, max)
  [min, num, max].sort[1]
end

.pad2(i) ⇒ Object

Ensures value is a multiple of 2



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# File 'lib/psd/util.rb', line 4

def self.pad2(i)
  ((i + 1) / 2) * 2
end

.pad4(i) ⇒ Object

Ensures value is a multiple of 4



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# File 'lib/psd/util.rb', line 9

def self.pad4(i)
  i - (i.modulo(4)) + 3
end