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module PDF
class Inspector
class Text < Inspector
attr_accessor :font_settings, :size, :strings
attr_accessor :character_spacing, :word_spacing
attr_accessor :kerned, :text_rendering_mode
def initialize
@font_settings = []
@fonts = {}
@font_objects = {}
@strings = []
@character_spacing = []
@word_spacing = []
@kerned = []
@text_rendering_mode = []
end
def page=(page)
@state = PDF::Reader::PageState.new(page)
page.fonts.each do |label, stream|
@fonts[label] = stream[:BaseFont]
@font_objects[label] = PDF::Reader::Font.new(page.objects, stream)
end
end
def set_text_font_and_size(*params)
@state.set_text_font_and_size(*params)
@font_settings << { :name => @fonts[params[0]], :size => params[1] }
end
def show_text(*params)
@kerned << false
@strings << @state.current_font.to_utf8(params[0])
end
def show_text_with_positioning(*params)
@kerned << true
# ignore kerning information
show_text params[0].reject { |e|
Numeric === e
}.join
end
def set_text_rendering_mode(*params)
@state.set_text_rendering_mode(*params)
@text_rendering_mode << params[0]
end
def set_character_spacing(*params)
@state.set_character_spacing(*params)
@character_spacing << params[0]
end
def set_word_spacing(*params)
@state.set_word_spacing(*params)
@word_spacing << params[0]
end
end
end
end
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