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# frozen_string_literal: true
module TTFunk
class Table
class Glyf
# TrueType-compatible representation of a CFF glyph.
class PathBased
# Glyph outline.
# @return [TTFunk::Table::Cff::Path]
attr_reader :path
# Glyph horizontal metrics.
# @return [TTFunk::Table::Hmtx::HorizontalMetric]
attr_reader :horizontal_metrics
# Minimum X.
# @return [Integer, Float]
attr_reader :x_min
# Minimum Y.
# @return [Integer, Float]
attr_reader :y_min
# Maximum X.
# @return [Integer, Float]
attr_reader :x_max
# Maximum Y.
# @return [Integer, Float]
attr_reader :y_max
# Left side bearing.
# @return [Integer, Float]
attr_reader :left_side_bearing
# Rigth side bearing.
# @return [Integer, Float]
attr_reader :right_side_bearing
# @param path [TTFunk::Table::Cff::Path]
# @param horizontal_metrics [TTFunk::Table::Hmtx::HorizontalMetric]
def initialize(path, horizontal_metrics)
@path = path
@horizontal_metrics = horizontal_metrics
@x_min = 0
@y_min = 0
@x_max = horizontal_metrics.advance_width
@y_max = 0
path.commands.each do |command|
cmd, x, y = command
next if cmd == :close
@x_min = x if x < @x_min
@x_max = x if x > @x_max
@y_min = y if y < @y_min
@y_max = y if y > @y_max
end
@left_side_bearing = horizontal_metrics.left_side_bearing
@right_side_bearing =
horizontal_metrics.advance_width -
@left_side_bearing -
(@x_max - @x_min)
end
# Number of contour.
#
# @return [Integer]
def number_of_contours
path.number_of_contours
end
# Is this glyph compound?
#
# @return [false]
def compound?
false
end
end
end
end
end
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