Class: RRTF::CharacterStyle

Inherits:
Style show all
Includes:
CharacterFormatting
Defined in:
lib/rrtf/style/character_style.rb

Overview

This class represents a character style for an RTF document.

Constant Summary

Constants included from CharacterFormatting

RRTF::CharacterFormatting::CHARACTER_ATTRIBUTES

Instance Attribute Summary

Attributes inherited from Style

#additive, #auto_update, #based_on_style_handle, #handle, #hidden, #name, #next_style_handle, #primary, #priority

Instance Method Summary collapse

Methods included from CharacterFormatting

#character_formatting_to_rtf, included, #initialize_character_formatting, #set_character_formatting_from_hashmap

Methods inherited from AnonymousStyle

#push_colours, #push_fonts, #suffix

Constructor Details

#initialize(options = {}) ⇒ CharacterStyle

This is the constructor for the CharacterStyle class.

Parameters:

  • options (Hash) (defaults to: {}) —

    the character style options.

Options Hash (options):

  • "name" (String) — default: nil —

    human-readable name for the style.

  • "handle" (Integer) — default: nil —

    16-bit integer that identifies the style in a document.

  • "next_style_handle" (Integer) — default: nil —

    16-bit integer that identifies the next style for this style.

  • "based_on_style_handle" (Integer) — default: nil —

    16-bit integer that identifies the base style for this style.

  • "priority" (Integer) — default: nil —

    16-bit integer that indicates the ordering of the style among other styles in a document.

  • "primary" (Boolean) — default: false —

    whether or not this style is a primary or “quick” style.

  • "additive" (Boolean) — default: false —

    whether or not this character style is additive to the current paragraph style.

  • "auto_update" (Boolean) — default: false —

    whether or not this style should be updated when any node to which the style is applied is updated.

  • "hidden" (Boolean) — default: false —

    whether or not the style should be hidden.

  • "bold" (Boolean) — default: nil —

    enable or disable bold (nil to remain same).

  • "italic" (Boolean) — default: nil —

    enable or disable italic (nil to remain same).

  • "underline" (Boolean, String) — default: nil —

    enable or disable underline (nil to remain same); can also be a string (see RRTF::CharacterFormatting::CHARACTER_ATTRIBUTES).

  • "uppercase" (Boolean) — default: nil —

    enable or disable all caps (nil to remain same).

  • "superscript" (Boolean) — default: nil —

    enable or disable superscript (nil to remain same).

  • "subscript" (Boolean) — default: nil —

    enable or disable subscript (nil to remain same).

  • "strike" (Boolean) — default: nil —

    enable or disable single line-through (nil to remain same).

  • "emboss" (Boolean) — default: nil —

    enable or disable emboss (nil to remain same).

  • "imprint" (Boolean) — default: nil —

    enable or disable imprint (nil to remain same).

  • "outline" (Boolean) — default: nil —

    enable or disable outline (nil to remain same).

  • "text_hidden" (Boolean) — default: nil —

    enable or disable hidden (nil to remain same).

  • "kerning" (Boolean, Integer) — default: nil —

    enable or disable kerning (nil to remain same); to enable specify the font size in half-points above which kerining will be applied.

  • "character_spacing_offset" (Integer) — default: nil —

    quarter points by which to expand or compress character spacing (negative for compress).

  • "foreground_color" (String, Colour) — default: nil —

    colour to apply to the foreground (text); see RRTF::Colour.from_string for string format.

  • "background_color" (String, Colour) — default: nil —

    colour to apply to the background; see RRTF::Colour.from_string for string format.

  • "underline_color" (String, Colour) — default: nil —

    colour to apply to the underline; see RRTF::Colour.from_string for string format.

  • "highlight_color" (String, Colour) — default: nil —

    colour with which to highlight text.

  • "font" (String, Font) — default: nil —

    font to apply to text; see Font.from_string for string format.

  • "font_size" (Integer) — default: nil —

    font size in half-points.



13
14
15
16
 
# File 'lib/rrtf/style/character_style.rb', line 13

def initialize(options = {})
   super(options)
   initialize_character_formatting(options)
end

Instance Method Details

#prefix(document) ⇒ Object

This method generates a string containing the prefix associated with the style object.



50
51
52
53
54
55
56
57
 
# File 'lib/rrtf/style/character_style.rb', line 50

def prefix(document)
  text = StringIO.new

  text << "\\cs#{handle} " unless handle.nil?
  text << rtf_formatting(document)

  text.string
end

#rtf_formatting(document) ⇒ Object 



59
60
61
 
# File 'lib/rrtf/style/character_style.rb', line 59

def rtf_formatting(document)
  character_formatting_to_rtf(document)
end

#to_rtf(document, options = {}) ⇒ Object

Converts the stylesheet character style into its RTF representation (for stylesheet)



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/rrtf/style/character_style.rb', line 20

def to_rtf(document, options = {})
  # load default options
  options = {
    "uglify" => false,
    "base_indent" => 0
  }.merge(options)
  # build formatting helpers
  base_prefix = options["uglify"] ? '' : ' '*options["base_indent"]
  name_prefix = options["uglify"] ? ' ' : ''
  suffix = options["uglify"] ? '' : ' '

  rtf = StringIO.new

  rtf << base_prefix
  rtf << "{\\*\\cs#{handle}#{suffix}"
  rtf << "#{rtf_formatting(document)}#{suffix}"
  rtf << "\\additive#{suffix}" if @additive
  rtf << "\\sbasedon#{@based_on_style_handle}#{suffix}" unless @based_on_style_handle.nil?
  rtf << "\\sautoupd#{suffix}" if @auto_update
  rtf << "\\snext#{@next_style_handle}#{suffix}" unless @next_style_handle.nil?
  rtf << "\\sqformat#{suffix}" if @primary
  rtf << "\\spriority#{@priority}#{suffix}" unless @priority.nil?
  rtf << "\\shidden#{suffix}" if @hidden
  rtf << "#{name_prefix}#{name};}"

  rtf.string
end