module RQRCode::Export::SVG
Public Instance Methods
as_svg(options={})
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Render the SVG
from the Qrcode.
Options: offset - Padding around the QR Code (e.g. 10) fill - Background color (e.g “ffffff” or :white) color - Foreground color for the code (e.g. “000000” or :black) module_size - The Pixel size of each module (e.g. 11) shape_rendering - Defaults to crispEdges
# File lib/rqrcode/export/svg.rb, line 17 def as_svg(options={}) offset = options[:offset].to_i || 0 color = options[:color] || "000" shape_rendering = options[:shape_rendering] || "crispEdges" module_size = options[:module_size] || 11 # height and width dependent on offset and QR complexity dimension = (self.module_count*module_size) + (2*offset) xml_tag = %{<?xml version="1.0" standalone="yes"?>} open_tag = %{<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ev="http://www.w3.org/2001/xml-events" width="#{dimension}" height="#{dimension}" shape-rendering="#{shape_rendering}">} close_tag = "</svg>" result = [] self.modules.each_index do |c| tmp = [] self.modules.each_index do |r| y = c*module_size + offset x = r*module_size + offset next unless self.is_dark(c, r) tmp << %{<rect width="#{module_size}" height="#{module_size}" x="#{x}" y="#{y}" style="fill:##{color}"/>} end result << tmp.join end if options[:fill] result.unshift %{<rect width="#{dimension}" height="#{dimension}" x="0" y="0" style="fill:##{options[:fill]}"/>} end [xml_tag, open_tag, result, close_tag].flatten.join("\n") end