Method: Asciidoctor::PDF::FormattedText::Transform#initialize

Defined in:
lib/asciidoctor/pdf/formatted_text/transform.rb

#initialize(options = {}) ⇒ Transform

Returns a new instance of Transform.



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# File 'lib/asciidoctor/pdf/formatted_text/transform.rb', line 29

def initialize options = {}
  @merge_adjacent_text_nodes = options[:merge_adjacent_text_nodes]
  # TODO: add support for character spacing
  if (theme = options[:theme])
    @theme_settings = {
      button: {
        color: theme.button_font_color,
        font: theme.button_font_family,
        size: theme.button_font_size,
        styles: (to_styles theme.button_font_style),
        background_color: (button_bg_color = theme.button_background_color),
        border_width: (button_border_width = theme.button_border_width),
        border_color: button_border_width && (theme.button_border_color || theme.base_border_color),
        border_offset: (button_border_offset = (button_bg_or_border = button_bg_color || button_border_width) && theme.button_border_offset),
        border_radius: button_bg_or_border && theme.button_border_radius,
        align: button_border_offset && :center,
        callback: button_bg_or_border && [TextBackgroundAndBorderRenderer],
      }.compact,
      code: {
        color: theme.codespan_font_color,
        font: theme.codespan_font_family,
        size: theme.codespan_font_size,
        styles: (to_styles theme.codespan_font_style),
        background_color: (mono_bg_color = theme.codespan_background_color),
        border_width: (mono_border_width = theme.codespan_border_width),
        border_color: mono_border_width && (theme.codespan_border_color || theme.base_border_color),
        border_offset: (mono_border_offset = (mono_bg_or_border = mono_bg_color || mono_border_width) && theme.codespan_border_offset),
        border_radius: mono_bg_or_border && theme.codespan_border_radius,
        align: mono_border_offset && :center,
        callback: mono_bg_or_border && [TextBackgroundAndBorderRenderer],
      }.compact,
      kbd: {
        color: theme.kbd_font_color,
        font: theme.kbd_font_family || theme.codespan_font_family,
        size: theme.kbd_font_size,
        styles: (to_styles theme.kbd_font_style),
        background_color: (kbd_bg_color = theme.kbd_background_color),
        border_width: (kbd_border_width = theme.kbd_border_width),
        border_color: kbd_border_width && (theme.kbd_border_color || theme.base_border_color),
        border_offset: (kbd_border_offset = (kbd_bg_or_border = kbd_bg_color || kbd_border_width) && theme.kbd_border_offset),
        border_radius: kbd_bg_or_border && theme.kbd_border_radius,
        align: kbd_border_offset && :center,
        callback: kbd_bg_or_border && [TextBackgroundAndBorderRenderer],
      }.compact,
      link: {
        color: theme.link_font_color,
        font: theme.link_font_family,
        size: theme.link_font_size,
        styles: (to_styles theme.link_font_style, theme.link_text_decoration),
        text_decoration_color: theme.link_text_decoration_color,
        text_decoration_width: theme.link_text_decoration_width,
        background_color: (link_bg_color = theme.link_background_color),
        border_offset: (link_border_offset = link_bg_color && theme.link_border_offset),
        align: link_border_offset && :center,
        callback: link_bg_color && [TextBackgroundAndBorderRenderer],
      }.compact,
      mark: {
        color: theme.mark_font_color,
        styles: (to_styles theme.mark_font_style),
        background_color: (mark_bg_color = theme.mark_background_color),
        border_offset: (mark_border_offset = mark_bg_color && theme.mark_border_offset),
        align: mark_border_offset && :center,
        callback: mark_bg_color && [TextBackgroundAndBorderRenderer],
      }.compact,
      menu: {
        color: theme.menu_font_color,
        font: theme.menu_font_family,
        size: theme.menu_font_size,
        styles: (to_styles theme.menu_font_style),
      }.compact,
    }
    @theme_settings.tap do |accum|
      roles_with_styles = [].to_set
      theme.each_pair do |key, val|
        next unless (key = key.to_s).start_with? 'role_'
        role, key = (key.slice 5, key.length).split '_', 2
        if (prop = ThemeKeyToFragmentProperty[key])
          (accum[role] ||= {})[prop] = val
          if key == 'border_width' && val && !(theme[%(role_#{role}_border_color)])
            accum[role][:border_color] = theme.base_border_color
          end
        #elsif key == 'font_kerning'
        #  unless (resolved_val = val == 'none' ? false : (val == 'normal' ? true : nil)).nil?
        #    (accum[role] ||= {})[:kerning] = resolved_val
        #  end
        elsif key == 'font_style' || key == 'text_decoration'
          roles_with_styles << role
        end
      end
      roles_with_styles.each do |role|
        (accum[role] ||= {})[:styles] = to_styles theme[%(role_#{role}_font_style)], theme[%(role_#{role}_text_decoration)]
      end
    end
    @theme_settings['line-through'] = { styles: [:strikethrough].to_set } unless @theme_settings.key? 'line-through'
    @theme_settings['underline'] = { styles: [:underline].to_set } unless @theme_settings.key? 'underline'
    unless @theme_settings.key? 'big'
      if (base_font_size_large = theme.base_font_size_large)
        @theme_settings['big'] = { size: %(#{(base_font_size_large / theme.base_font_size.to_f).round 5}em) }
      else
        @theme_settings['big'] = { size: '1.1667em' }
      end
    end
    unless @theme_settings.key? 'small'
      if (base_font_size_small = theme.base_font_size_small)
        @theme_settings['small'] = { size: %(#{(base_font_size_small / theme.base_font_size.to_f).round 5}em) }
      else
        @theme_settings['small'] = { size: '0.8333em' }
      end
    end
  else
    @theme_settings = {
      button: { font: 'Courier', styles: [:bold].to_set },
      code: { font: 'Courier' },
      kbd: { font: 'Courier', styles: [:italic].to_set },
      link: { color: '0000FF' },
      mark: { background_color: 'FFFF00', callback: [TextBackgroundAndBorderRenderer] },
      menu: { styles: [:bold].to_set },
      'line-through' => { styles: [:strikethrough].to_set },
      'underline' => { styles: [:underline].to_set },
      'big' => { size: '1.667em' },
      'small' => { size: '0.8333em' },
    }
  end
end