diff options
| author | friendica <info@friendica.com> | 2014-01-07 20:36:16 -0800 |
|---|---|---|
| committer | friendica <info@friendica.com> | 2014-01-07 20:36:16 -0800 |
| commit | 8b93881ce7ab4e0a8b0c8426da1ddfeed19c2309 (patch) | |
| tree | 52d4b15d798933c068a8eb12374ac192db8fbb42 /library/phpqrcode/qrtools.php | |
| parent | 401183780540812929e35a59348b7f2e347d4b8f (diff) | |
| download | volse-hubzilla-8b93881ce7ab4e0a8b0c8426da1ddfeed19c2309.tar.gz volse-hubzilla-8b93881ce7ab4e0a8b0c8426da1ddfeed19c2309.tar.bz2 volse-hubzilla-8b93881ce7ab4e0a8b0c8426da1ddfeed19c2309.zip | |
qr code support
Diffstat (limited to 'library/phpqrcode/qrtools.php')
| -rw-r--r-- | library/phpqrcode/qrtools.php | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/library/phpqrcode/qrtools.php b/library/phpqrcode/qrtools.php new file mode 100644 index 000000000..3012db493 --- /dev/null +++ b/library/phpqrcode/qrtools.php @@ -0,0 +1,172 @@ +<?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');
+
\ No newline at end of file |