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.\" ========================================================================
.\"
.IX Title "Imager::QRCode 3pm"
.TH Imager::QRCode 3pm "2018-11-02" "perl v5.28.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Imager::QRCode \- Generate QR Code with Imager using libqrencode
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    use Imager::QRCode;
\&
\&    my $qrcode = Imager::QRCode\->new(
\&        size          => 2,
\&        margin        => 2,
\&        version       => 1,
\&        level         => \*(AqM\*(Aq,
\&        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", \e%params);
\&    $img\->write(file => "qrcode.gif");
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module allows you to generate \s-1QR\s0 Code with Imager. This module use libqrencode '2.0.0' and above.
.SH "METHODS"
.IX Header "METHODS"
.IP "new" 4
.IX Item "new"
.Vb 1
\&    $qrcode = Imager::QRCode\->new(%params);
.Ve
.Sp
The \f(CW\*(C`new()\*(C'\fR constructor method instantiates a new Imager::QRCode object. \f(CW\*(C`new()\*(C'\fR accepts the following parameters.
.RS 4
.IP "\(bu" 4
\&\f(CW\*(C`size\*(C'\fR \- Horizontal and vertical size of module(dot). Default is 4.
.IP "\(bu" 4
\&\f(CW\*(C`margin\*(C'\fR \- Margin size of \s-1QR\s0 Code. Default is 3.
.IP "\(bu" 4
\&\f(CW\*(C`level\*(C'\fR \- Error collectin level. Valid values are 'M', 'L', 'Q' or 'H'. Default is 'L'.
.IP "\(bu" 4
\&\f(CW\*(C`version\*(C'\fR \- Version of the symbol. If specify '0', this module chooses the minimum version for the input data. Default is '0'.
.IP "\(bu" 4
\&\f(CW\*(C`mode\*(C'\fR \- Encoding mode. Valid values are 'numerical', 'alpha\-numerical', '8\-bit' or 'kanji'. Default is '8\-bit'.
.Sp
If not give \f(CW\*(C`casesensitive\*(C'\fR then should be given \f(CW\*(C`mode\*(C'\fR. 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 \s-1UTF\-8\s0 string, choose '8\-bit'.
.IP "\(bu" 4
\&\f(CW\*(C`casesensitive\*(C'\fR \- If your application is case-sensitive using 8\-bit characters, set to '1'. Default is '0'.
.RE
.RS 4
.RE
.IP "plot($text)" 4
.IX Item "plot($text)"
.Vb 1
\&    $img = $qrcode\->plot("blah blah");
.Ve
.Sp
Create a new \s-1QR\s0 Code image. This method returns Imager object ploted \s-1QR\s0 Code with the given text.
.SH "INSTANT METHODS"
.IX Header "INSTANT METHODS"
.IP "plot_qrcode($text, \e%params)" 4
.IX Item "plot_qrcode($text, %params)"
Instant method. \f(CW$text\fR is input text. \f(CW%params\fR is same parameter as \f(CW\*(C`new()\*(C'\fR.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\f(CW\*(C`Imager\*(C'\fR, \f(CW\*(C`http://www.qrcode.com/\*(C'\fR, \f(CW\*(C`http://megaui.net/fukuchi/works/qrencode/index.en.html\*(C'\fR
.SH "AUTHOR"
.IX Header "AUTHOR"
Yoshiki \s-1KURIHARA\s0  \f(CW\*(C`<kurihara _\|_at_\|_ cpan.org>\*(C'\fR
.SH "THANKS"
.IX Header "THANKS"
Tokuhiro Matsuno
.SH "LICENCE AND COPYRIGHT"
.IX Header "LICENCE AND COPYRIGHT"
Copyright (c) 2011, Yoshiki \s-1KURIHARA\s0 \f(CW\*(C`<kurihara _\|_at_\|_ cpan.org>\*(C'\fR.
.PP
This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself. See perlartistic.