Sha256: 38241dd548254ed2504e82c3ff1dbbc6a9b70603170e373b69e57d741f218391
Contents?: true
Size: 851 Bytes
Versions: 9
Compression:
Stored size: 851 Bytes
Contents
# coding: utf-8
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
9 entries across 9 versions & 1 rubygems