Module: Metanorma::Mirror::Handlers::Imagemap

Defined in:
lib/metanorma/mirror/handlers/imagemap.rb

Overview

Image map: a wrapped figure plus hyperlinked areas (shape, link, geometry). Duck-typed over SafeAttr reads.

Class Method Summary collapse

Class Method Details

.area_attrs(area) ⇒ Object 



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# File 'lib/metanorma/mirror/handlers/imagemap.rb', line 24

def self.area_attrs(area)
  ref = Svgmap.reference_of(area)
  radius = SafeAttr.read(area, :radius)
  {
    type: SafeAttr.read(area, :area_type) || SafeAttr.read(area, :type),
    target: ref,
    coords: Array(SafeAttr.read(area, :coords)).map do |c|
      [SafeAttr.read(c, :x), SafeAttr.read(c, :y)]
    end,
    radius: radius && radius_attrs(radius),
  }.compact
end

.area_list(element) ⇒ Object 



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# File 'lib/metanorma/mirror/handlers/imagemap.rb', line 19

def self.area_list(element)
  areas = Array(SafeAttr.read(element, :area)).map { |a| area_attrs(a) }
  areas.empty? ? nil : areas
end

.call(element, context:) ⇒ Object 



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# File 'lib/metanorma/mirror/handlers/imagemap.rb', line 9

def self.call(element, context:)
  attrs = {
    id: SafeAttr.read(element, :id),
    semx_id: SafeAttr.read(element, :semx_id),
    areas: area_list(element),
  }.compact
  content = Svgmap.figure_content(element, context)
  Handlers.build_node("imagemap", attrs: attrs, content: content)
end

.radius_attrs(radius) ⇒ Object 



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# File 'lib/metanorma/mirror/handlers/imagemap.rb', line 37

def self.radius_attrs(radius)
  [SafeAttr.read(radius, :x), SafeAttr.read(radius, :y)]
end