Class: HexaPDF::Type::FontType1

Inherits:
FontSimple show all
Defined in:
lib/hexapdf/type/font_type1.rb

Overview

Represents a Type1 font.

PDF provides 14 built-in fonts that all PDF readers must understand. These 14 fonts are known as the “Standard 14 Fonts” and are all Type1 fonts. HexaPDF supports these fonts.

Defined Under Namespace

Modules: StandardFonts

Constant Summary

Constants included from DictionaryFields

DictionaryFields::Boolean, DictionaryFields::PDFByteString, DictionaryFields::PDFDate

Instance Attribute Summary

Attributes inherited from Object

#data, #document, #must_be_indirect

Instance Method Summary collapse

Methods inherited from FontSimple

#decode, #encoding, #font_descriptor, #to_utf8, #word_spacing_applicable?, #writing_mode

Methods inherited from Font

#embedded?, #font_file, #font_wrapper=, #glyph_scaling_factor, #must_be_indirect?, #to_utf8

Methods inherited from Dictionary

#[], #[]=, define_field, define_type, #delete, #each, each_field, #empty?, field, #key?, #to_h, type, #type

Methods inherited from Object

#<=>, #==, #cache, #cached?, #clear_cache, deep_copy, #deep_copy, #document?, #eql?, field, #gen, #gen=, #hash, #indirect?, #initialize, #inspect, make_direct, #must_be_indirect?, #null?, #oid, #oid=, #type, #validate, #value, #value=

Constructor Details

This class inherits a constructor from HexaPDF::Object

Instance Method Details

#bounding_box ⇒ Object

Returns the bounding box of the font or nil if it is not found.



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# File 'lib/hexapdf/type/font_type1.rb', line 134

def bounding_box
  bbox = super
  if bbox
    bbox
  elsif StandardFonts.standard_font?(self[:BaseFont])
    StandardFonts.font(self[:BaseFont]).bounding_box
  else
    nil
  end
end

#font_wrapper ⇒ Object

Overrides the default to provide a font wrapper in case none is set and the font is one of the standard fonts.

See: Font#font_wrapper



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# File 'lib/hexapdf/type/font_type1.rb', line 113

def font_wrapper
  if (tmp = super)
    tmp
  elsif StandardFonts.standard_font?(self[:BaseFont])
    self.font_wrapper = HexaPDF::Font::Type1Wrapper.new(document,
                                                        StandardFonts.font(self[:BaseFont]),
                                                        pdf_object: self)
  end
end

#symbolic? ⇒ Boolean

Returns true if the font is a symbolic font, false if it is not, and nil if it is not known.

Returns:



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# File 'lib/hexapdf/type/font_type1.rb', line 147

def symbolic?
  symbolic = super
  if !symbolic.nil?
    symbolic
  elsif StandardFonts.standard_font?(self[:BaseFont])
    name = StandardFonts.standard_name(self[:BaseFont])
    name == :ZapfDingbats || name == :Symbol
  else
    nil
  end
end

#width(code) ⇒ Object

Returns the unscaled width of the given code point in glyph units, or 0 if the width for the code point is missing.



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# File 'lib/hexapdf/type/font_type1.rb', line 125

def width(code)
  if StandardFonts.standard_font?(self[:BaseFont])
    StandardFonts.font(self[:BaseFont]).width(encoding.name(code)) || 0
  else
    super
  end
end