Sha256: c5be001e72e7e7288619fa4d94e41ae61b48a89628dd4ebbd20e07a6ba8ab1f6
Contents?: true
Size: 881 Bytes
Versions: 10
Compression:
Stored size: 881 Bytes
Contents
# coding: utf-8
# frozen_string_literal: true
class PDF::Reader
module WidthCalculator
# Calculates the width of a glyph in a Type One or Type Three
class TypeOneOrThree
def initialize(font)
@font = font
if @font.font_descriptor
@missing_width = @font.font_descriptor.missing_width
else
@missing_width = 0
end
end
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
end
end
end
Version data entries
10 entries across 9 versions & 2 rubygems