Class: Slippery::Processors::ImpressJs::AutoOffsets

Inherits:
Object
  • Object
show all
Defined in:
lib/slippery/processors/impress_js/auto_offsets.rb

Instance Method Summary collapse

Constructor Details

#initialize(offset_x = 1000, offset_y = 0) ⇒ AutoOffsets

Returns a new instance of AutoOffsets.



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# File 'lib/slippery/processors/impress_js/auto_offsets.rb', line 5

def initialize(offset_x = 1000, offset_y = 0)
  @offsets  = [offset_x, offset_y]
  @position = [0,0]
end

Instance Method Details

#call(doc) ⇒ Object 



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# File 'lib/slippery/processors/impress_js/auto_offsets.rb', line 10

def call(doc)
  doc.replace('.step') do |step|
    ['data-x', 'data-y'].each_with_index do |axis, idx|
      if step.has_attr?(axis)
        @position[idx] = step[axis].to_i
      else
        @position[idx] += @offsets[idx]
      end
    end
    step % { 'data-x' => @position[0], 'data-y' => @position[1] }
  end
end