Class: PDF::Writer::Object::FontDescriptor

Inherits:
PDF::Writer::Object show all
Defined in:
lib/pdf/writer/object/fontdescriptor.rb

Overview

A font descriptor, needed for including additional fonts. options is a Hash with one of the following keys: Ascent, CapHeight, Descent, Flags, ItalicAngle, StemV, AvgWidth, Leading, MaxWidth, MissingWidth, StemH, XHeight, CharSet, FontFile, FontFile2, FontFile3, FontBBox, or FontName.

Instance Attribute Summary collapse

Attributes inherited from PDF::Writer::Object

#oid

Instance Method Summary collapse

Constructor Details

#initialize(parent, options = nil) ⇒ FontDescriptor

Returns a new instance of FontDescriptor



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# File 'lib/pdf/writer/object/fontdescriptor.rb', line 16

def initialize(parent, options = nil)
  super(parent)

  @options = options
end

Instance Attribute Details

#optionsObject

Returns the value of attribute options



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# File 'lib/pdf/writer/object/fontdescriptor.rb', line 22

def options
  @options
end

Instance Method Details

#to_sObject



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# File 'lib/pdf/writer/object/fontdescriptor.rb', line 24

def to_s
  res = "\n#{@oid} 0 obj\n<< /Type /FontDescriptor\n"
  @options.each do |k, v|
    res << "/#{k} #{v}\n" if %w{Ascent CapHeight Descent Flags ItalicAngle StemV AvgWidth Leading MaxWidth MissingWidth StemH XHeight CharSet}.include?(k)
    res << "/#{k} #{v} 0 R\n" if %w{FontFile FontFile2 FontFile3}.include?(k)
    res << "/#{k} [#{v.join(' ')}]\n" if k == "FontBBox"
    res << "/#{k} /#{v}\n" if k == "FontName"
  end
  res << ">>\nendobj"
end