Module: Zebra::Epl::Rotation
- Defined in:
- lib/zebra/epl/rotation.rb
Defined Under Namespace
Classes: InvalidRotationError
Constant Summary collapse
- NO_ROTATION =
0
- DEGREES_90 =
1
- DEGREES_180 =
2
- DEGREES_270 =
3
Class Method Summary collapse
Class Method Details
.valid_rotation?(rotation) ⇒ Boolean
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# File 'lib/zebra/epl/rotation.rb', line 11 def self.valid_rotation?(rotation) [NO_ROTATION, DEGREES_90, DEGREES_180, DEGREES_270].include? rotation end |
.validate_rotation(rotation) ⇒ Object
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# File 'lib/zebra/epl/rotation.rb', line 15 def self.validate_rotation(rotation) raise InvalidRotationError unless valid_rotation?(rotation) end |