Class: Asciidoctor::Prawn::Extensions::Extent

Inherits:
Struct
  • Object
show all
Defined in:
lib/asciidoctor/pdf/ext/prawn/extensions.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(current_page, current_column, current_cursor, from_page, from_column, from_cursor, to_page, to_cursor) ⇒ Extent

Returns a new instance of Extent.



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# File 'lib/asciidoctor/pdf/ext/prawn/extensions.rb', line 36

def initialize current_page, current_column, current_cursor, from_page, from_column, from_cursor, to_page, to_cursor
  self.current = Position.new current_page, current_column, current_cursor
  self.from = Position.new from_page, from_column, from_cursor
  self.from = current if from == current
  self.to = Position.new to_page, nil, to_cursor
end

Instance Attribute Details

#current ⇒ Object

Returns the value of attribute current

Returns:

  • (Object) —

    the current value of current



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# File 'lib/asciidoctor/pdf/ext/prawn/extensions.rb', line 35

def current
  @current
end

#from ⇒ Object

Returns the value of attribute from

Returns:

  • (Object) —

    the current value of from



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# File 'lib/asciidoctor/pdf/ext/prawn/extensions.rb', line 35

def from
  @from
end

#to ⇒ Object

Returns the value of attribute to

Returns:

  • (Object) —

    the current value of to



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# File 'lib/asciidoctor/pdf/ext/prawn/extensions.rb', line 35

def to
  @to
end

Instance Method Details

#each_page ⇒ Object 



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# File 'lib/asciidoctor/pdf/ext/prawn/extensions.rb', line 43

def each_page
  from.page.upto to.page do |pgnum|
    yield pgnum == from.page && from, pgnum == to.page && to, pgnum
  end
end

#page_range ⇒ Object 



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# File 'lib/asciidoctor/pdf/ext/prawn/extensions.rb', line 57

def page_range
  (from.page..to.page)
end

#single_page? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/asciidoctor/pdf/ext/prawn/extensions.rb', line 49

def single_page?
  from.page == to.page
end

#single_page_height ⇒ Object 



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# File 'lib/asciidoctor/pdf/ext/prawn/extensions.rb', line 53

def single_page_height
  single_page? ? from.cursor - to.cursor : nil
end