Class: Suma::Jsdai::Figure

Inherits:
Object
  • Object
show all
Defined in:
lib/suma/jsdai/figure.rb

Overview

Main class for JSDAI figure conversion

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(xml_file, image_file) ⇒ Figure

Returns a new instance of Figure.



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# File 'lib/suma/jsdai/figure.rb', line 12

def initialize(xml_file, image_file)
  @xml = FigureXml.from_xml(File.read(xml_file))
  @image = FigureImage.new(image_file)
  @xml_file = xml_file
end

Instance Attribute Details

#image ⇒ Object (readonly)

Returns the value of attribute image.



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# File 'lib/suma/jsdai/figure.rb', line 10

def image
  @image
end

#xml ⇒ Object (readonly)

Returns the value of attribute xml.



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# File 'lib/suma/jsdai/figure.rb', line 10

def xml
  @xml
end

Instance Method Details

#to_exp ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/suma/jsdai/figure.rb', line 55

def to_exp
  basename = File.basename(@xml_file, ".xml")
  schema_name = extract_schema_name(basename)
  anchor_id = extract_anchor_id(basename)

  exp_parts = []
  exp_parts << "(*\"#{schema_name}.__expressg\""
  exp_parts << "\n[[#{anchor_id}]]"
  exp_parts << "\n[.svgmap]"
  exp_parts << "\n===="
  exp_parts << "\nimage::#{basename}.svg[]"

  if @xml.img.areas && !@xml.img.areas.empty?
    exp_parts << "\n"
    @xml.img.areas.each_with_index do |area, index|
      target = extract_target_from_href(area.href)
      exp_parts << "\n* <<#{target}>>; #{index + 1}"
    end
  end

  exp_parts << "\n===="
  exp_parts << "\n*)\n"
  exp_parts.join
end

#to_svg ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/suma/jsdai/figure.rb', line 19

def to_svg
  width, height = @image.dimensions
  svg_parts = []

  svg_parts << '<?xml version="1.0" encoding="UTF-8"?>'
  svg_parts << '<svg xmlns="http://www.w3.org/2000/svg" '
  svg_parts << 'xml:space="preserve" '
  svg_parts << 'style="enable-background:new 0 0 595.28 841.89;" '
  svg_parts << "height=\"#{height}\" "
  svg_parts << "width=\"#{width}\" "
  svg_parts << "viewBox=\"0 0 #{width} #{height}\" "
  svg_parts << 'y="0px" x="0px" id="Layer_1" version="1.1">'
  svg_parts << "\n\t\t\t\n\t\t\t"

  # Add embedded image
  svg_parts << "<image href=\"#{@image.to_base64}\" "
  svg_parts << "height=\"#{height}\" "
  svg_parts << "width=\"#{width}\" "
  svg_parts << 'style="overflow:visible;">'
  svg_parts << "\n\t\t\t</image>\n\t\t\t"

  # Add clickable areas
  if @xml.img.areas && !@xml.img.areas.empty?
    area_parts = @xml.img.areas.each_with_index.map do |area, index|
      shape_element = generate_shape_element(area)
      "<a href=\"#{index + 1}\">#{shape_element}</a>"
    end

    svg_parts << area_parts.join
  end
  svg_parts << "\n\t\t</svg>"
  svg_parts.join
end