Class: RQRCode::CQRCode

Inherits:
Object
  • Object
show all
Defined in:
lib/custom_rqrcode.rb

Constant Summary collapse

@@defaults = 
{
  :info     => "no data",
  :bg       => false,
  :bsize    => false,
  :gravity  => "north",
  :geometry => "+00+00",
  :fsize    => false,
  :fsave    => false
}

Instance Method Summary collapse

Instance Method Details

#generateQRcode(options = {}, format = :svg) ⇒ Object 



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# File 'lib/custom_rqrcode.rb', line 34

def generateQRcode(options={}, format=:svg)
  options  = @@defaults.merge(options)
  string   = options[:info]
  size     = options[:size]  || RQRCode.minimum_qr_size_from_string(string)
  level    = options[:level] || :h

  bg       = options[:bg]
  bsize    = options[:bsize]
  geometry = options[:geometry]
  gravity  = options[:gravity]
  fsize    = options[:fsize]
  fsave    = options[:fsave] 

  qrcode = RQRCode::QRCode.new(string, :size => size, :level => level)
  svg    = RQRCode::Renderers::SVG::render(qrcode, options)

  data   = \
  if format && format == :svg
    svg
  else
    image = MiniMagick::Image.read(svg) { |i| i.format "svg" }
    image.format format

    if bg
      bg_image = MiniMagick::Image.open bg
      bg_image.resize bsize if bsize
      image    =  bg_image.composite(image) do |c|
        c.gravity gravity
        c.geometry geometry
      end
    end
    image.resize fsize if fsize
    image.write fsave if fsave

    image.to_blob
  end
  return data
end