File: width_calculator.rb [pdf-reader-1.3.3 Documentation]

Last Modified
  2015-08-12 09:38:53 +0000
Requires
  - pdf/reader/width_calculator/built_in
  - pdf/reader/width_calculator/composite
  - pdf/reader/width_calculator/true_type
  - pdf/reader/width_calculator/type_zero
  - pdf/reader/width_calculator/type_one_or_three

## Description

PDF files may define fonts in a number of ways. Each approach means we must calculate glyph widths differently, so this set of classes conform to an interface that will perform the appropriate calculations.