Method: PDF::Reader::WidthCalculator::BuiltIn#glyph_width

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

#glyph_width(code_point) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
51
 
# File 'lib/pdf/reader/width_calculator/built_in.rb', line 38

def glyph_width(code_point)
  return 0 if code_point.nil? || code_point < 0

  names = @font.encoding.int_to_name(code_point)
  metrics = names.map { |name|
    @metrics.char_metrics[name.to_s]
  }.compact.first

  if metrics
    metrics[:wx]
  else
    @font.widths[code_point - 1] || 0
  end
end