1 | <?php |
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2 | /* |
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3 | * PHP QR Code encoder |
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4 | * |
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5 | * Toolset, handy and debug utilites. |
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6 | * |
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7 | * PHP QR Code is distributed under LGPL 3 |
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8 | * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm> |
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9 | * |
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10 | * This library is free software; you can redistribute it and/or |
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11 | * modify it under the terms of the GNU Lesser General Public |
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12 | * License as published by the Free Software Foundation; either |
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13 | * version 3 of the License, or any later version. |
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14 | * |
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15 | * This library is distributed in the hope that it will be useful, |
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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18 | * Lesser General Public License for more details. |
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19 | * |
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20 | * You should have received a copy of the GNU Lesser General Public |
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21 | * License along with this library; if not, write to the Free Software |
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22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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23 | */ |
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24 | |||
25 | class QRtools { |
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26 | |||
27 | //---------------------------------------------------------------------- |
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28 | public static function binarize($frame) |
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29 | { |
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30 | $len = count($frame); |
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31 | foreach ($frame as &$frameLine) { |
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32 | |||
33 | for ($i = 0; $i < $len; $i++) { |
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34 | $frameLine[$i] = (ord($frameLine[$i]) & 1) ? '1' : '0'; |
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35 | } |
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36 | } |
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37 | |||
38 | return $frame; |
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39 | } |
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40 | |||
41 | //---------------------------------------------------------------------- |
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42 | public static function tcpdfBarcodeArray($code, $mode = 'QR,L', $tcPdfVersion = '4.5.037') |
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43 | { |
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44 | $barcode_array = array(); |
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45 | |||
46 | if (!is_array($mode)) { |
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47 | $mode = explode(',', $mode); |
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48 | } |
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49 | |||
50 | $eccLevel = 'L'; |
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51 | |||
52 | if (count($mode) > 1) { |
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53 | $eccLevel = $mode[1]; |
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54 | } |
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55 | |||
56 | $qrTab = QRcode::text($code, false, $eccLevel); |
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57 | $size = count($qrTab); |
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58 | |||
59 | $barcode_array['num_rows'] = $size; |
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60 | $barcode_array['num_cols'] = $size; |
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61 | $barcode_array['bcode'] = array(); |
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62 | |||
63 | foreach ($qrTab as $line) { |
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64 | $arrAdd = array(); |
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65 | foreach (str_split($line) as $char) { |
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66 | $arrAdd[] = ($char == '1') ? 1 : 0; |
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67 | } |
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68 | $barcode_array['bcode'][] = $arrAdd; |
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69 | } |
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70 | |||
71 | return $barcode_array; |
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72 | } |
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73 | |||
74 | //---------------------------------------------------------------------- |
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75 | public static function clearCache() |
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76 | { |
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77 | self::$frames = array(); |
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78 | } |
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79 | |||
80 | //---------------------------------------------------------------------- |
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81 | public static function buildCache() |
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82 | { |
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83 | QRtools::markTime('before_build_cache'); |
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84 | |||
85 | $mask = new QRmask(); |
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86 | for ($a = 1; $a <= QRSPEC_VERSION_MAX; $a++) { |
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87 | $frame = QRspec::newFrame($a); |
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88 | if (QR_IMAGE) { |
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89 | $fileName = QR_CACHE_DIR.'frame_'.$a.'.png'; |
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90 | QRimage::png(self::binarize($frame), $fileName, 1, 0); |
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91 | } |
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92 | |||
93 | $width = count($frame); |
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94 | $bitMask = array_fill(0, $width, array_fill(0, $width, 0)); |
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95 | for ($maskNo = 0; $maskNo < 8; $maskNo++) { |
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96 | $mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true); |
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97 | } |
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98 | } |
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99 | |||
100 | QRtools::markTime('after_build_cache'); |
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101 | } |
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102 | |||
103 | //---------------------------------------------------------------------- |
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104 | public static function log($outfile, $err) |
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105 | { |
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106 | if (QR_LOG_DIR !== false) { |
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107 | if ($err != '') { |
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108 | if ($outfile !== false) { |
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109 | file_put_contents(QR_LOG_DIR.basename($outfile).'-errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND); |
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110 | } else { |
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111 | file_put_contents(QR_LOG_DIR.'errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND); |
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112 | } |
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113 | } |
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114 | } |
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115 | } |
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116 | |||
117 | //---------------------------------------------------------------------- |
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118 | public static function dumpMask($frame) |
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119 | { |
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120 | $width = count($frame); |
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121 | for ($y = 0; $y < $width; $y++) { |
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122 | for ($x = 0; $x < $width; $x++) { |
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123 | echo ord($frame[$y][$x]).','; |
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124 | } |
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125 | } |
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126 | } |
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127 | |||
128 | //---------------------------------------------------------------------- |
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129 | public static function markTime($markerId) |
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130 | { |
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131 | list($usec, $sec) = explode(" ", microtime()); |
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132 | $time = ((float) $usec + (float) $sec); |
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133 | |||
134 | if (!isset($GLOBALS['qr_time_bench'])) { |
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135 | $GLOBALS['qr_time_bench'] = array(); |
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136 | } |
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137 | |||
138 | $GLOBALS['qr_time_bench'][$markerId] = $time; |
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139 | } |
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140 | |||
141 | //---------------------------------------------------------------------- |
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142 | public static function timeBenchmark() |
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143 | { |
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144 | self::markTime('finish'); |
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145 | |||
146 | $lastTime = 0; |
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147 | $startTime = 0; |
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148 | $p = 0; |
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149 | |||
150 | echo '<table cellpadding="3" cellspacing="1"> |
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151 | <thead><tr style="border-bottom:1px solid silver"><td colspan="2" style="text-align:center">BENCHMARK</td></tr></thead> |
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152 | <tbody>'; |
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153 | |||
154 | foreach ($GLOBALS['qr_time_bench'] as $markerId=>$thisTime) { |
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155 | if ($p > 0) { |
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156 | echo '<tr><th style="text-align:right">till '.$markerId.': </th><td>'.number_format($thisTime - $lastTime, 6).'s</td></tr>'; |
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157 | } else { |
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158 | $startTime = $thisTime; |
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159 | } |
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160 | |||
161 | $p++; |
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162 | $lastTime = $thisTime; |
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163 | } |
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164 | |||
165 | echo '</tbody><tfoot> |
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166 | <tr style="border-top:2px solid black"><th style="text-align:right">TOTAL: </th><td>'.number_format($lastTime - $startTime, 6).'s</td></tr> |
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167 | </tfoot> |
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168 | </table>'; |
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169 | } |
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170 | |||
171 | } |
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172 | |||
173 | //########################################################################## |
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174 | |||
175 | QRtools::markTime('start'); |
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176 |
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.