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File: phpqrcode/qrtools.php

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  Classes of Karl Holz  >  Gig Cable Label  >  phpqrcode/qrtools.php  >  Download  
File: phpqrcode/qrtools.php
Role: Example script
Content type: text/plain
Description: phpqrcode files needed by class for QR codes
Class: Gig Cable Label
Generate label images in resistors code colours
Author: By
Last change:
Date: 2 years ago
Size: 6,332 bytes
 

Contents

Class file image Download
<?php
/*
 * PHP QR Code encoder
 *
 * Toolset, handy and debug utilites.
 *
 * 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
 */

   
class QRtools {
   
       
//----------------------------------------------------------------------
       
public static function binarize($frame)
        {
           
$len = count($frame);
            foreach (
$frame as &$frameLine) {
               
                for(
$i=0; $i<$len; $i++) {
                   
$frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0';
                }
            }
           
            return
$frame;
        }
       
       
//----------------------------------------------------------------------
       
public static function tcpdfBarcodeArray($code, $mode = 'QR,L', $tcPdfVersion = '4.5.037')
        {
           
$barcode_array = array();
           
            if (!
is_array($mode))
               
$mode = explode(',', $mode);
               
           
$eccLevel = 'L';
               
            if (
count($mode) > 1) {
               
$eccLevel = $mode[1];
            }
               
           
$qrTab = QRcode::text($code, false, $eccLevel);
           
$size = count($qrTab);
               
           
$barcode_array['num_rows'] = $size;
           
$barcode_array['num_cols'] = $size;
           
$barcode_array['bcode'] = array();
               
            foreach (
$qrTab as $line) {
               
$arrAdd = array();
                foreach(
str_split($line) as $char)
                   
$arrAdd[] = ($char=='1')?1:0;
               
$barcode_array['bcode'][] = $arrAdd;
            }
                   
            return
$barcode_array;
        }
       
       
//----------------------------------------------------------------------
       
public static function clearCache()
        {
           
self::$frames = array();
        }
       
       
//----------------------------------------------------------------------
       
public static function buildCache()
        {
           
QRtools::markTime('before_build_cache');
           
           
$mask = new QRmask();
            for (
$a=1; $a <= QRSPEC_VERSION_MAX; $a++) {
               
$frame = QRspec::newFrame($a);
                if (
QR_IMAGE) {
                   
$fileName = QR_CACHE_DIR.'frame_'.$a.'.png';
                   
QRimage::png(self::binarize($frame), $fileName, 1, 0);
                }
               
               
$width = count($frame);
               
$bitMask = array_fill(0, $width, array_fill(0, $width, 0));
                for (
$maskNo=0; $maskNo<8; $maskNo++)
                   
$mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true);
            }
           
           
QRtools::markTime('after_build_cache');
        }

       
//----------------------------------------------------------------------
       
public static function log($outfile, $err)
        {
            if (
QR_LOG_DIR !== false) {
                if (
$err != '') {
                    if (
$outfile !== false) {
                       
file_put_contents(QR_LOG_DIR.basename($outfile).'-errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);
                    } else {
                       
file_put_contents(QR_LOG_DIR.'errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);
                    }
                }
            }
        }
       
       
//----------------------------------------------------------------------
       
public static function dumpMask($frame)
        {
           
$width = count($frame);
            for(
$y=0;$y<$width;$y++) {
                for(
$x=0;$x<$width;$x++) {
                    echo
ord($frame[$y][$x]).',';
                }
            }
        }
       
       
//----------------------------------------------------------------------
       
public static function markTime($markerId)
        {
            list(
$usec, $sec) = explode(" ", microtime());
           
$time = ((float)$usec + (float)$sec);
           
            if (!isset(
$GLOBALS['qr_time_bench']))
               
$GLOBALS['qr_time_bench'] = array();
           
           
$GLOBALS['qr_time_bench'][$markerId] = $time;
        }
       
       
//----------------------------------------------------------------------
       
public static function timeBenchmark()
        {
           
self::markTime('finish');
       
           
$lastTime = 0;
           
$startTime = 0;
           
$p = 0;

            echo
'<table cellpadding="3" cellspacing="1">
                    <thead><tr style="border-bottom:1px solid silver"><td colspan="2" style="text-align:center">BENCHMARK</td></tr></thead>
                    <tbody>'
;

            foreach(
$GLOBALS['qr_time_bench'] as $markerId=>$thisTime) {
                if (
$p > 0) {
                    echo
'<tr><th style="text-align:right">till '.$markerId.': </th><td>'.number_format($thisTime-$lastTime, 6).'s</td></tr>';
                } else {
                   
$startTime = $thisTime;
                }
               
               
$p++;
               
$lastTime = $thisTime;
            }
           
            echo
'</tbody><tfoot>
                <tr style="border-top:2px solid black"><th style="text-align:right">TOTAL: </th><td>'
.number_format($lastTime-$startTime, 6).'s</td></tr>
            </tfoot>
            </table>'
;
        }
       
    }
   
   
//##########################################################################
   
   
QRtools::markTime('start');