Class: Presto::Transformation

Inherits:
Object
  • Object
show all
Defined in:
lib/presto/transformation.rb,
lib/presto/transformation/validator.rb

Defined Under Namespace

Classes: Validator

Constant Summary collapse

DEFAULT_BG = 
"#ffffff00"
DEFAULT_FIT = 
'clip'

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Transformation

Returns a new instance of Transformation.



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# File 'lib/presto/transformation.rb', line 11

def initialize params={}
  @params = params
end

Instance Method Details

#[](val) ⇒ Object 



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# File 'lib/presto/transformation.rb', line 15

def [] val
  send(val)
end

#bg ⇒ Object 



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# File 'lib/presto/transformation.rb', line 19

def bg
  params.key?(:bg) ? "##{params[:bg]}" : DEFAULT_BG
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/presto/transformation.rb', line 43

def empty?
  params.empty?
end

#fit ⇒ Object 



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# File 'lib/presto/transformation.rb', line 23

def fit
  params[:fit] || DEFAULT_FIT
end

#fm ⇒ Object 



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# File 'lib/presto/transformation.rb', line 27

def fm
  params[:fm]
end

#h ⇒ Object 



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# File 'lib/presto/transformation.rb', line 31

def h
  params[:h].to_i if params.key?(:h)
end

#q ⇒ Object 



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# File 'lib/presto/transformation.rb', line 39

def q
  params[:q].to_i if params.key?(:q)
end

#w ⇒ Object 



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# File 'lib/presto/transformation.rb', line 35

def w
  params[:w].to_i if params.key?(:w)
end