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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];
            }
                
            
$qrTab QRcode::text($codefalse$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), $fileName10);
                }
                
                
$width count($frame);
                
$bitMask array_fill(0$widtharray_fill(0$width0));
                for (
$maskNo=0$maskNo<8$maskNo++)
                    
$mask->makeMaskNo($maskNo$width$frame$bitMasktrue);
            }
            
            
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($outfile).'-errors.txt'date('Y-m-d H:i:s').': '.$errFILE_APPEND);
                    } else {
                        
file_put_contents(QR_LOG_DIR.'errors.txt'date('Y-m-d H:i:s').': '.$errFILE_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($thisTime-$lastTime6).'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($lastTime-$startTime6).'s</td></tr>
            </tfoot>
            </table>'
;
        }
        
    }
    
    
//##########################################################################
    
    
QRtools::markTime('start');