build/testcases/NP_ImageCreateThumbnail.php

   1 <?php\r
   2 \r
   3 class NP_ImageCreateThumbnail extends NucleusPlugin {\r
   4 \r
   5    /* \r
   6         * Nucleus Plugin\r
   7         *\r
   8         * Copyright 2007 by Kai Greve\r
   9         * \r
  10         * This program is free software and open source software; you can redistribute\r
  11         * it and/or modify it under the terms of the GNU General Public License as\r
  12         * published by the Free Software Foundation; either version 2 of the License,\r
  13         * or (at your option) any later version.\r
  14         *\r
  15         * This program is distributed in the hope that it will be useful, but WITHOUT\r
  16         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
  17         * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for\r
  18         * more details.\r
  19         *\r
  20         * You should have received a copy of the GNU General Public License along\r
  21         * with this program; if not, write to the Free Software Foundation, Inc.,\r
  22         * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  or visit\r
  23         * http://www.gnu.org/licenses/gpl.html\r
  24         * \r
  25         *\r
  26         * NP_ImageCreateThumbnail creates a thumbnail after an image is uploaded,\r
  27         * it demonstrates the uages of the PostMediaUpload event                        \r
  28         *\r
  29         * History:\r
  30         * v0.01: 2007-01-01\r
  31         *       - initial release       \r
  32         * \r
  33         */\r
  34 \r
  35         function getName()                { return 'NP_ImageCreateThumbnail'; }\r
  36         function getAuthor()      { return 'Kai Greve'; }\r
  37         function getURL()                 { return 'http://www.nucleuscms.org/'; }\r
  38         function getVersion()     { return '0.01'; }\r
  39         function getDescription() { return 'Generates Thumbnails after an image is uploaded.';  }\r
  40         \r
  41         function getMinNucleusVersion() { return 330; }\r
  42 \r
  43         function supportsFeature($what) {\r
  44                 switch($what)\r
  45                 { case 'SqlTablePrefix':\r
  46                                 return 1;\r
  47                         default:\r
  48                                 return 0; }\r
  49         }\r
  50 \r
  51         function install() {\r
  52                 $this->createOption ('thumbsize', 'Maximal width (landscape format) or height (portrait format) for Thumbnails', 'text', '150');\r
  53         }\r
  54 \r
  55         function unInstall() {\r
  56         }\r
  57 \r
  58         function getEventList() {\r
  59                 return array('PostMediaUpload');\r
  60         }\r
  61 \r
  62 \r
  63         function event_PostMediaUpload(&$data) {\r
  64                 \r
  65                 $collection = $data['collection'];\r
  66         $mediadir = $data['mediadir'];\r
  67         $filename = $data['filename'];\r
  68         $fullpath = $mediadir.$filename;\r
  69         \r
  70         // evaluate the filetype from the filename\r
  71                 $filetype = strtolower(substr($filename, strpos($filename, ".")+1));\r
  72                 \r
  73                 // filetype is jpeg\r
  74                 if ($filetype=='jpg' || $filetype=='jpeg') {\r
  75                 \r
  76                         $size = getimagesize($fullpath);\r
  77                         \r
  78                         $ratio = $size[1]/$size[0]; // ratio = height / width\r
  79                         \r
  80                         if ($ratio < 1) {\r
  81                                 $new_height = $this->getOption('thumbsize') * $size[1]/$size[0];\r
  82                                 $new_width = $this->getOption('thumbsize');\r
  83                         }\r
  84                         else {\r
  85                                 $new_height = $this->getOption('thumbsize');\r
  86                                 $new_width = $this->getOption('thumbsize') * $size[0]/$size[1];\r
  87                         }                       \r
  88 \r
  89                 $image_orig = imagecreatefromjpeg($fullpath);\r
  90                         $image_new = imagecreatetruecolor($new_width, $new_height);\r
  91                 \r
  92                         imagecopyresampled($image_new, $image_orig, 0, 0, 0, 0, $new_width, $new_height, $size[0], $size[1]);\r
  93 \r
  94                         $thumbfilename = substr($fullpath, 0, strpos($fullpath, ".")).'_thumb.'.$filetype;\r
  95                                 \r
  96                         imagejpeg ($image_new , $thumbfilename);\r
  97                                 \r
  98                         // clear the memory\r
  99                         imagedestroy($image_orig);\r
 100                         imagedestroy($image_new);\r
 101                 }\r
 102                 \r
 103                 // filetype is png\r
 104                 if ($filetype=='png') {\r
 105                 \r
 106                         $size = getimagesize($fullpath);\r
 107                         \r
 108                         $ratio = $size[1]/$size[0]; // ratio = height / width\r
 109                         \r
 110                         if ($ratio < 1) {\r
 111                                 $new_height = $this->getOption('thumbsize') * $size[1]/$size[0];\r
 112                                 $new_width = $this->getOption('thumbsize');\r
 113                         }\r
 114                         else {\r
 115                                 $new_height = $this->getOption('thumbsize');\r
 116                                 $new_width = $this->getOption('thumbsize') * $size[0]/$size[1];\r
 117                         }                       \r
 118 \r
 119                 $image_orig = imagecreatefrompng($fullpath);\r
 120                         $image_new = imagecreatetruecolor($new_width, $new_height);\r
 121                 \r
 122                         imagecopyresampled($image_new, $image_orig, 0, 0, 0, 0, $new_width, $new_height, $size[0], $size[1]);\r
 123 \r
 124                         $thumbfilename = substr($fullpath, 0, strpos($fullpath, ".")).'_thumb.'.$filetype;\r
 125                                 \r
 126                         imagepng ($image_new , $thumbfilename);\r
 127                                 \r
 128                         // clear the memory\r
 129                         imagedestroy($image_orig);\r
 130                         imagedestroy($image_new);\r
 131                 }\r
 132         }\r
 133 }\r
 134 \r
 135 ?>\r