Module: Pdfrb::FontLoader::VariantFromName

Defined in:
lib/pdfrb/font_loader/variant_from_name.rb

Constant Summary collapse

BASE_MAP = 
{
  "Helvetica" => %w[Helvetica Helvetica-Bold Helvetica-Oblique Helvetica-BoldOblique],
  "Times" => %w[Times-Roman Times-Bold Times-Italic Times-BoldItalic],
  "Courier" => %w[Courier Courier-Bold Courier-Oblique Courier-BoldOblique],
}.freeze

Class Method Summary collapse

Class Method Details

.call(document, name, **_opts) ⇒ Object 



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# File 'lib/pdfrb/font_loader/variant_from_name.rb', line 14

def call(document, name, **_opts)
  return nil unless name.is_a?(String)

  base = name.sub(/[- ](Bold|Italic|Oblique|BoldItalic|BoldOblique).*/i, "")
  return nil unless BASE_MAP.key?(base)

  idx = case name
        when /bold.*italic|italic.*bold/i
          3
        when /bold/i
          1
        else
          /oblique|italic/i.match?(name) ? 2 : 0
        end
  full_name = BASE_MAP[base][idx]
  return nil unless full_name

  document.add({ Type: :Font, Subtype: :Type1, BaseFont: full_name.to_sym },
               type: Pdfrb::Model::Type::FontType1)
end