NAME¶
Imager::QRCode - Generate QR Code with Imager using libqrencode
SYNOPSIS¶
use Imager::QRCode;
my $qrcode = Imager::QRCode->new(
size => 2,
margin => 2,
version => 1,
level => 'M',
casesensitive => 1,
lightcolor => Imager::Color->new(255, 255, 255),
darkcolor => Imager::Color->new(0, 0, 0),
);
my $img = $qrcode->plot("blah blah");
$img->write(file => "qrcode.gif");
# or instance method
use Imager::QRCode qw(plot_qrcode);
my $img = plot_qrcode("blah blah", \%params);
$img->write(file => "qrcode.gif");
DESCRIPTION¶
This module allows you to generate QR Code with Imager. This module use
libqrencode '2.0.0' and above.
METHODS¶
- new
-
$qrcode = Imager::QRCode->new(%params);
The "new()" constructor method instantiates a new Imager::QRCode
object. "new()" accepts the following parameters.
- •
- "size" - Horizontal and vertical size of module(dot). Default is
4.
- •
- "margin" - Margin size of QR Code. Default is 3.
- •
- "level" - Error collectin level. Valid values are 'M', 'L', 'Q'
or 'H'. Default is 'L'.
- •
- "version" - Version of the symbol. If specify '0', this module
chooses the minimum version for the input data. Default is '0'.
- •
- "mode" - Encoding mode. Valid values are 'numerical',
'alpha-numerical', '8-bit' or 'kanji'. Default is '8-bit'.
If not give "casesensitive" then should be given "mode".
If 'kanji' is given, characters will be encoded as Shift-JIS characters.
If '8-bit' is given, all of non-alpha-numerical characters will be encoded
as is. If you want to embed UTF-8 string, choose '8-bit'.
- •
- "casesensitive" - If your application is case-sensitive using
8-bit characters, set to '1'. Default is '0'.
- plot($text)
-
$img = $qrcode->plot("blah blah");
Create a new QR Code image. This method returns Imager object ploted QR Code
with the given text.
INSTANT METHODS¶
- plot_qrcode($text, \%params)
- Instant method. $text is input text. %params is same parameter as
"new()".
SEE ALSO¶
"Imager", "
http://www.qrcode.com/",
"
http://megaui.net/fukuchi/works/qrencode/index.en.html"
AUTHOR¶
Yoshiki KURIHARA "<kurihara __at__ cpan.org>"
THANKS¶
Tokuhiro Matsuno
LICENCE AND COPYRIGHT¶
Copyright (c) 2011, Yoshiki KURIHARA "<kurihara __at__
cpan.org>".
This module is free software; you can redistribute it and/or modify it under the
same terms as Perl itself. See perlartistic.