Module: Rabbit::Parser::Ext::Image

Included in:
RD::Ext::Image
Defined in:
lib/rabbit/parser/ext/image.rb

Defined Under Namespace

Modules: Private

Class Method Summary collapse

Class Method Details

.make_image(canvas, uri_str, prop = {}, body: nil) ⇒ Object 



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# File 'lib/rabbit/parser/ext/image.rb', line 30

def make_image(canvas, uri_str, prop={}, body: nil)
  path = Private.uri_string_to_image_filename(canvas, uri_str)
  begin
    image = Element::Image.new(path, prop, canvas: canvas)
  rescue Error
    canvas.logger.warn($!.message)
    nil
  else
    if prop["align"] == "right" and body
      if body["background-image"]
        raise ParseError,
              _("multiple right aligns aren't supported.")
      end
      prop.each do |name, value|
        name = name.gsub(/_/, "-")
        next if name == "src"
        property_name = "background-image-#{name}"
        body[property_name] = value
      end
      body["background-image"] = uri_str
      :no_element
    else
      image
    end
  end
end

.make_image_from_file(canvas, source, extension: nil, **options) ⇒ Object 



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# File 'lib/rabbit/parser/ext/image.rb', line 57

def make_image_from_file(canvas, source, extension: nil, **options)
  src_basename = "rabbit-image-source"
  src_basename = [src_basename, extension] if extension
  src_file = Tempfile.new(src_basename)
  src_file.open
  src_file.print(source)
  src_file.close
  image_file = prop = nil
  begin
    image_file, prop = yield(src_file)
  rescue ImageLoadError
    canvas.logger.warn($!.message)
  end
  return nil if image_file.nil?
  image = make_image(canvas,
                     "file://#{image_file.path}",
                     prop,
                     **options)
  # Protect image from GC
  case image
  when Element::Image
    image["_src"] = image_file
  when :no_element
    options[:body]["_background-image-src"] = image_file
  end
  image
end