Class: IiifPrint::TextExtraction::RenderAlto

Inherits:
Object
  • Object
show all
Defined in:
lib/iiif_print/text_extraction/render_alto.rb

Instance Method Summary collapse

Constructor Details

#initialize(width, height, scaling = 1.0) ⇒ RenderAlto



7
8
9
10
11
# File 'lib/iiif_print/text_extraction/render_alto.rb', line 7

def initialize(width, height, scaling = 1.0)
  @height = height
  @width = width
  @scaling = scaling
end

Instance Method Details

#to_alto(words) ⇒ Object



13
14
15
16
17
18
19
20
21
22
23
24
25
26
# File 'lib/iiif_print/text_extraction/render_alto.rb', line 13

def to_alto(words)
  page = alto_page(@width, @height) do |xml|
    words.each do |word|
      xml.String(
        CONTENT: word[:word],
        WIDTH: scale_point(word[:coordinates][2]).to_s,
        HEIGHT: scale_point(word[:coordinates][3]).to_s,
        HPOS: scale_point(word[:coordinates][0]).to_s,
        VPOS: scale_point(word[:coordinates][1]).to_s
      ) { xml.text '' }
    end
  end
  page.to_xml
end