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Contents
class Prawn::SVG::FontRegistry
DEFAULT_FONT_PATHS = [
"/Library/Fonts",
"/System/Library/Fonts",
"#{ENV["HOME"]}/Library/Fonts",
"/usr/share/fonts/truetype",
"/mnt/c/Windows/Fonts", # Bash on Ubuntu on Windows
]
@font_path = DEFAULT_FONT_PATHS.select { |path| Dir.exist?(path) }
def initialize(font_families)
@font_families = font_families
end
def installed_fonts
merge_external_fonts
@font_families
end
def correctly_cased_font_name(name)
merge_external_fonts
@font_case_mapping[name.downcase]
end
def load(family, weight = nil, style = nil)
Prawn::SVG::CSS::FontFamilyParser.parse(family).detect do |name|
name = name.gsub(/\s{2,}/, ' ').downcase
font = Prawn::SVG::Font.new(name, weight, style, font_registry: self)
break font if font.installed?
end
end
private
def merge_external_fonts
if @font_case_mapping.nil?
self.class.load_external_fonts unless self.class.external_font_families
@font_families.merge!(self.class.external_font_families) do |key, v1, v2|
v1
end
@font_case_mapping = @font_families.keys.each.with_object({}) do |key, result|
result[key.downcase] = key
end
end
end
class << self
attr_reader :external_font_families, :font_path
def load_external_fonts
@external_font_families = {}
external_font_paths.each do |filename|
ttf = Prawn::SVG::TTF.new(filename)
if ttf.family
subfamily = (ttf.subfamily || "normal").gsub(/\s+/, "_").downcase.to_sym
subfamily = :normal if subfamily == :regular
(external_font_families[ttf.family] ||= {})[subfamily] ||= filename
end
end
end
private
def external_font_paths
font_path
.uniq
.flat_map { |path| Dir["#{path}/**/*"] }
.uniq
.select { |path| File.file?(path) }
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems