qr code support

1 files changed, 94 insertions, 0 deletions

diff --git a/library/phpqrcode/index.php b/library/phpqrcode/index.php
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index 000000000..9e14b7eaa
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+++ b/library/phpqrcode/index.php
@@ -0,0 +1,94 @@
+<?php    
+/*

+ * PHP QR Code encoder

+ *

+ * Exemplatory usage

+ *

+ * 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

+ */

+    

+    echo "<h1>PHP QR Code</h1><hr/>";
+    

+    //set it to writable location, a place for temp generated PNG files

+    $PNG_TEMP_DIR = dirname(__FILE__).DIRECTORY_SEPARATOR.'temp'.DIRECTORY_SEPARATOR;

+    

+    //html PNG location prefix

+    $PNG_WEB_DIR = 'temp/';

+

+    include "qrlib.php";    

+    

+    //ofcourse we need rights to create temp dir

+    if (!file_exists($PNG_TEMP_DIR))

+        mkdir($PNG_TEMP_DIR);
+    

+    

+    $filename = $PNG_TEMP_DIR.'test.png';

+    

+    //processing form input

+    //remember to sanitize user input in real-life solution !!!

+    $errorCorrectionLevel = 'L';

+    if (isset($_REQUEST['level']) && in_array($_REQUEST['level'], array('L','M','Q','H')))

+        $errorCorrectionLevel = $_REQUEST['level'];    

+

+    $matrixPointSize = 4;

+    if (isset($_REQUEST['size']))

+        $matrixPointSize = min(max((int)$_REQUEST['size'], 1), 10);

+

+
+    if (isset($_REQUEST['data'])) { 

+    

+        //it's very important!

+        if (trim($_REQUEST['data']) == '')

+            die('data cannot be empty! <a href="?">back</a>');

+            
+        // user data

+        $filename = $PNG_TEMP_DIR.'test'.md5($_REQUEST['data'].'|'.$errorCorrectionLevel.'|'.$matrixPointSize).'.png';
+        QRcode::png($_REQUEST['data'], $filename, $errorCorrectionLevel, $matrixPointSize, 2);    

+        
+    } else {    

+    

+        //default data
+        echo 'You can provide data in GET parameter: <a href="?data=like_that">like that</a><hr/>';    
+        QRcode::png('PHP QR Code :)', $filename, $errorCorrectionLevel, $matrixPointSize, 2);    

+        
+    }    
+        

+    //display generated file
+    echo '<img src="'.$PNG_WEB_DIR.basename($filename).'" /><hr/>';  

+    

+    //config form

+    echo '<form action="index.php" method="post">

+        Data:&nbsp;<input name="data" value="'.(isset($_REQUEST['data'])?htmlspecialchars($_REQUEST['data']):'PHP QR Code :)').'" />&nbsp;

+        ECC:&nbsp;<select name="level">

+            <option value="L"'.(($errorCorrectionLevel=='L')?' selected':'').'>L - smallest</option>

+            <option value="M"'.(($errorCorrectionLevel=='M')?' selected':'').'>M</option>

+            <option value="Q"'.(($errorCorrectionLevel=='Q')?' selected':'').'>Q</option>

+            <option value="H"'.(($errorCorrectionLevel=='H')?' selected':'').'>H - best</option>

+        </select>&nbsp;

+        Size:&nbsp;<select name="size">';

+        

+    for($i=1;$i<=10;$i++)

+        echo '<option value="'.$i.'"'.(($matrixPointSize==$i)?' selected':'').'>'.$i.'</option>';

+        

+    echo '</select>&nbsp;

+        <input type="submit" value="GENERATE"></form><hr/>';

+        

+    // benchmark
+    QRtools::timeBenchmark();    
+
+    
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