lua-resty-QRDecode

Description

A QR decoder for ngx_lua, it works well on linux.

Examples

server {
  listen 80; 
  server_name  localhost; 

  location /qr {
    content_by_lua '
	  local qr = require "resty.QRDecode"                                                           

	  -- you can decode base on arg_xx, not a fixed one.
	  local res, data = qr:decode("/tmp/xx.png");
	  if res ~= ngx.HTTP_OK then
		ngx.exit(ngx.HTTP_NOT_FOUND);
	  end

	  ngx.say(data);
	';
  } 
}

visit http://localhost/qr

Dependencies

lua-resty-QRDecode depends upon zxing A installation tutorial on my blog

Installation

it also free installation, you may do as follow:

1. copy lua-resty-QRDecode on your linux. for example, you save it on /opt/lua-resty-QRDecode
2. if zxing is ok on you linux, that cd /opt/lua-resty-QRDecode/clib/; and make for libqrdecode.so (refer my blog mentioned above)
3. config lua_package_path, lua_package_cpath in your nginx.
4. that is ok.

Author

dcshi(施俊伟) dcshi@qq.com

Copyright and License

This module is licensed under the BSD license. Copyright (C) 2013, by dcshi(施俊伟). dcshi@qq.com All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

• Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

• Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

See Also

A QR encoder for ngx_lua