Method: PDF::Reader::WidthCalculator::TypeOneOrThree#glyph_width

Defined in:
lib/pdf/reader/width_calculator/type_one_or_three.rb

#glyph_width(code_point) ⇒ Object 



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# File 'lib/pdf/reader/width_calculator/type_one_or_three.rb', line 19

def glyph_width(code_point)
  return 0 if code_point.nil? || code_point < 0
  return 0 if @font.widths.nil? || @font.widths.count == 0

  # in ruby a negative index is valid, and will go from the end of the array
  # which is undesireable in this case.
  if @font.first_char <= code_point
    @font.widths.fetch(code_point - @font.first_char, @missing_width).to_f
  else
    @missing_width.to_f
  end
end