Switching to using phpqrcode for QR code generation, as Google is due to shut down it's QR code generation API.

2015-02-24 22:41:58 +00:00
parent fd2b74a5f5
commit 4683e2bd3d
17 changed files with 4972 additions and 4 deletions
--- a/public/phpqrcode/qrimage.php
+++ b/public/phpqrcode/qrimage.php
@@ -0,0 +1,131 @@
+<?php
+/*
+ * PHP QR Code encoder
+ *
+ * Image output of code using GD2
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010-2013 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
+ */
+ 
+    define('QR_IMAGE', true);
+
+
+    /** @defgroup OutputGroup Standard API Output
+    Provide simple Raster & Vector output */
+     
+    /** @addtogroup OutputGroup */
+    /** @{ */
+    
+    /** Image rendering helper.
+    Uses GD2 image to render QR Code into image file */
+    class QRimage {
+    
+        //----------------------------------------------------------------------
+        /**
+        Creates PNG image.
+        @param Array $frame frame containing code
+        @param String $filename (optional) output file name, if __false__ outputs to browser with required headers
+        @param Integer $pixelPerPoint (optional) pixel size, multiplier for each 'virtual' pixel
+        @param Integer $outerFrame (optional) code margin (silent zone) in 'virtual'  pixels
+        @param Boolean $saveandprint (optional) if __true__ code is outputed to browser and saved to file, otherwise only saved to file. It is effective only if $outfile is specified.
+        */
+        
+        public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE) 
+        {
+            $image = self::image($frame, $pixelPerPoint, $outerFrame);
+            
+            if ($filename === false) {
+                Header("Content-type: image/png");
+                ImagePng($image);
+            } else {
+                if($saveandprint===TRUE){
+                    ImagePng($image, $filename);
+                    header("Content-type: image/png");
+                    ImagePng($image);
+                }else{
+                    ImagePng($image, $filename);
+                }
+            }
+            
+            ImageDestroy($image);
+        }
+    
+        //----------------------------------------------------------------------
+        /**
+        Creates JPEG image.
+        @param Array $frame frame containing code
+        @param String $filename (optional) output file name, if __false__ outputs to browser with required headers
+        @param Integer $pixelPerPoint (optional) pixel size, multiplier for each 'virtual' pixel
+        @param Integer $outerFrame (optional) code margin (silent zone) in 'virtual'  pixels
+        @param Integer $q (optional) JPEG compression level (__0__ .. __100__)
+        */
+        
+        public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85) 
+        {
+            $image = self::image($frame, $pixelPerPoint, $outerFrame);
+            
+            if ($filename === false) {
+                Header("Content-type: image/jpeg");
+                ImageJpeg($image, null, $q);
+            } else {
+                ImageJpeg($image, $filename, $q);            
+            }
+            
+            ImageDestroy($image);
+        }
+    
+        //----------------------------------------------------------------------
+        /**
+        Creates generic GD2 image object
+        @param Array $frame frame containing code
+        @param Integer $pixelPerPoint (optional) pixel size, multiplier for each 'virtual' pixel
+        @param Integer $outerFrame (optional) code margin (silent zone) in 'virtual'  pixels
+        @return __Resource__ GD2 image resource (remember to ImageDestroy it!)
+        */
+        public static function image($frame, $pixelPerPoint = 4, $outerFrame = 4) 
+        {
+            $h = count($frame);
+            $w = strlen($frame[0]);
+            
+            $imgW = $w + 2*$outerFrame;
+            $imgH = $h + 2*$outerFrame;
+            
+            $base_image =ImageCreate($imgW, $imgH);
+            
+            $col[0] = ImageColorAllocate($base_image,255,255,255);
+            $col[1] = ImageColorAllocate($base_image,0,0,0);
+
+            imagefill($base_image, 0, 0, $col[0]);
+
+            for($y=0; $y<$h; $y++) {
+                for($x=0; $x<$w; $x++) {
+                    if ($frame[$y][$x] == '1') {
+                        ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]); 
+                    }
+                }
+            }
+            
+            $target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
+            ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);
+            ImageDestroy($base_image);
+            
+            return $target_image;
+        }
+    }
+    
+    /** @} */