QRencode.php 4.1 KB
<?php
/*
* PHP QR Code encoder
*
* Main encoder classes.
*
* Based on libqrencode C library distributed under LGPL 2.1
* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
*
* PHP QR Code is distributed under LGPL 3
* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
namespace tinymeng\code\Gateways\qrcode;

class QRencode {

    public $casesensitive = true;
    public $eightbit = false;
    
    public $version = 0;
    public $size = 3;
    public $margin = 4;
    
    public $structured = 0; // not supported yet
    
    public $level = QR_ECLEVEL_L;
    public $hint = QR_MODE_8;
    
    //----------------------------------------------------------------------
    public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4)
    {
        $enc = new QRencode();
        $enc->size = $size;
        $enc->margin = $margin;
        
        switch ($level.'') {
            case '0':
            case '1':
            case '2':
            case '3':
                    $enc->level = $level;
                break;
            case 'l':
            case 'L':
                    $enc->level = QR_ECLEVEL_L;
                break;
            case 'm':
            case 'M':
                    $enc->level = QR_ECLEVEL_M;
                break;
            case 'q':
            case 'Q':
                    $enc->level = QR_ECLEVEL_Q;
                break;
            case 'h':
            case 'H':
                    $enc->level = QR_ECLEVEL_H;
                break;
        }
        
        return $enc;
    }
    
    //----------------------------------------------------------------------
    public function encodeRAW($intext, $outfile = false) 
    {
        $code = new Qrcode();

        if($this->eightbit) {
            $code->encodeString8bit($intext, $this->version, $this->level);
        } else {
            $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
        }
        
        return $code->data;
    }

    //----------------------------------------------------------------------
    public function encode($intext, $outfile = false) 
    {
        $code = new Qrcode();

        if($this->eightbit) {
            $code->encodeString8bit($intext, $this->version, $this->level);
        } else {
            $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
        }
        
        QRtools::markTime('after_encode');
        
        if ($outfile!== false) {
            file_put_contents($outfile, join("\n", QRtools::binarize($code->data)));
        } else {
            return QRtools::binarize($code->data);
        }
    }
    
    //----------------------------------------------------------------------
    public function encodePNG($intext, $outfile = false,$saveandprint=false) 
    {
        try {
        
            ob_start();
            $tab = $this->encode($intext);
            $err = ob_get_contents();
            ob_end_clean();
            
            if ($err != '')
                QRtools::log($outfile, $err);
            
            $maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin));
            
            QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint);
        
        } catch (Exception $e) {
        
            QRtools::log($outfile, $e->getMessage());
        
        }
    }
}