Module: Zebra::Zpl::Rotation

Defined in:
lib/zebra/zpl/rotation.rb

Defined Under Namespace

Classes: InvalidRotationError

Constant Summary collapse

NO_ROTATION = 
'N'
DEGREES_90 = 
'R'
DEGREES_180 = 
'I'
DEGREES_270 = 
'B'

Class Method Summary collapse

Class Method Details

.valid_rotation?(rotation) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/zebra/zpl/rotation.rb', line 11

def self.valid_rotation?(rotation)
  [NO_ROTATION, DEGREES_90, DEGREES_180, DEGREES_270].include? rotation
end

.validate_rotation(rotation) ⇒ Object

Raises:



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# File 'lib/zebra/zpl/rotation.rb', line 15

def self.validate_rotation(rotation)
  raise InvalidRotationError unless valid_rotation?(rotation)
end