32 lines
981 B
Ruby
32 lines
981 B
Ruby
require 'action_controller'
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require 'rqrcode'
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require 'rqrcode-rails3/size_calculator.rb'
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require 'rqrcode-rails3/renderers/svg.rb'
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module RQRCode
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Mime::Type.register "image/svg+xml", :svg unless Mime::Type.lookup_by_extension(:svg)
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Mime::Type.register "image/png", :png unless Mime::Type.lookup_by_extension(:png)
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extend SizeCalculator
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ActionController::Renderers.add :qrcode do |string, options|
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format = self.request.format.symbol
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size = options[:size] || RQRCode.minimum_qr_size_from_string(string)
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level = options[:level] || :h
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qrcode = RQRCode::QRCode.new(string, :size => size, :level => level)
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svg = RQRCode::Renderers::SVG::render(qrcode, options)
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data = \
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if format == :png
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image = MiniMagick::Image.read(svg) { |i| i.format "svg" }
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image.format "png"
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png = image.to_blob
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else
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svg
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end
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self.response_body = render_to_string(:text => data, :template => nil)
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end
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end
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