Class: Thumbor::Cascade

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/thumbor/cascade.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(image = nil) ⇒ Cascade

Returns a new instance of Cascade.



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# File 'lib/thumbor/cascade.rb', line 25

def initialize(image=nil)
  @image = image
  @options = {}
  @filters = []
  @old_crypto = Thumbor::CryptoURL.new Thumbor.key
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args) ⇒ Object 



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# File 'lib/thumbor/cascade.rb', line 40

def method_missing(m, *args)
  if /^(.+)_filter$/.match(m.to_s)
    @filters << "#{$1}(#{escape_args(args).join(',')})"
    self
  else
    super
  end
end

Instance Attribute Details

#filters ⇒ Object

Returns the value of attribute filters.



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# File 'lib/thumbor/cascade.rb', line 9

def filters
  @filters
end

#image ⇒ Object

Returns the value of attribute image.



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# File 'lib/thumbor/cascade.rb', line 9

def image
  @image
end

#old_crypto ⇒ Object

Returns the value of attribute old_crypto.



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# File 'lib/thumbor/cascade.rb', line 9

def old_crypto
  @old_crypto
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/thumbor/cascade.rb', line 9

def options
  @options
end

Instance Method Details

#generate ⇒ Object 



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# File 'lib/thumbor/cascade.rb', line 36

def generate
  @old_crypto.generate prepare_options(@options).merge({:image => @image, :filters => @filters})
end

#url_for ⇒ Object 



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# File 'lib/thumbor/cascade.rb', line 32

def url_for
  @old_crypto.url_for prepare_options(@options).merge({:image => @image, :filters => @filters})
end