Class: PDF::Reader::PageTextReceiver

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/pdf/reader/page_text_receiver.rb

Instance Method Summary collapse

Instance Method Details

#content ⇒ Object 



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# File 'lib/pdf/reader/page_text_receiver.rb', line 36

def content
  keys = @content.keys.sort.reverse
  keys.map { |key|
    @content[key]
  }.join("\n")
end

#invoke_xobject(label) ⇒ Object

XObjects



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# File 'lib/pdf/reader/page_text_receiver.rb', line 80

def invoke_xobject(label)
  @state.invoke_xobject(label) do |xobj|
    case xobj
    when PDF::Reader::FormXObject then
      xobj.walk(self)
    end
  end
end

#move_to_next_line_and_show_text(str) ⇒ Object

‘



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# File 'lib/pdf/reader/page_text_receiver.rb', line 66

def move_to_next_line_and_show_text(str) # '
  @state.move_to_start_of_next_line
  show_text(str)
end

#page=(page) ⇒ Object

starting a new page



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# File 'lib/pdf/reader/page_text_receiver.rb', line 31

def page=(page)
  @state = PageState.new(page)
  @content = {}
end

#set_spacing_next_line_show_text(aw, ac, string) ⇒ Object

“



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# File 'lib/pdf/reader/page_text_receiver.rb', line 71

def set_spacing_next_line_show_text(aw, ac, string) # "
  @state.set_word_spacing(aw)
  @state.set_character_spacing(ac)
  move_to_next_line_and_show_text(string)
end

#show_text(string) ⇒ Object

record text that is drawn on the page

Raises:



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# File 'lib/pdf/reader/page_text_receiver.rb', line 48

def show_text(string) # Tj
  raise PDF::Reader::MalformedPDFError, "current font is invalid" if @state.current_font.nil?
  newx, newy = @state.trm_transform(0,0)
  @content[newy] ||= ""
  @content[newy] << @state.current_font.to_utf8(string)
end

#show_text_with_positioning(params) ⇒ Object

TJ



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# File 'lib/pdf/reader/page_text_receiver.rb', line 55

def show_text_with_positioning(params) # TJ
  params.each { |arg|
    case arg
    when String
      show_text(arg)
    when Fixnum, Float
      show_text(" ") if arg > 1000
    end
  }
end