build/testcases/NP_ImageLimitSize.php

   1 <?php\r
   2 \r
   3 class NP_ImageLimitSize extends NucleusPlugin {\r
   4 /*\r
   5  Nucleus Plugin\r
   6  \r
   7  History:\r
   8         v0.01 (2006-12-30):\r
   9                 - release for testing purposes (demonstrates the usage of the PreMediaUpload event)\r
  10 \r
  11 */\r
  12 \r
  13         function getName()                { return 'NP_ImageLimitSize'; }\r
  14         function getAuthor()      { return 'Kai Greve'; }\r
  15         function getURL()                 { return 'http://www.nucleuscms.org/'; }\r
  16         function getVersion()     { return '0.01'; }\r
  17         function getDescription() { return 'Rescales an image (jpg/png) during the upload if it is bigger then a maximum with.'; }\r
  18 \r
  19         function getMinNucleusVersion() { return 330; }\r
  20 \r
  21         function supportsFeature($what) {\r
  22                 switch($what)\r
  23                 { case 'SqlTablePrefix':\r
  24                                 return 1;\r
  25                         default:\r
  26                                 return 0; }\r
  27         }\r
  28 \r
  29         function install() {\r
  30                 $this->createOption('maxwidth', 'Maximal width for images', 'text', '450');     \r
  31         }\r
  32 \r
  33         function unInstall() {\r
  34         }\r
  35 \r
  36         function getEventList() {\r
  37                 return array('PreMediaUpload');\r
  38         }\r
  39 \r
  40         function event_PreMediaUpload(&$data) {\r
  41 \r
  42                 $collection = $data['collection'];\r
  43                 $uploadfile = $data['uploadfile'];\r
  44                 $filename = $data['filename'];\r
  45                 \r
  46                 // evaluate the filetype from the filename\r
  47                 $filetype = strtolower(substr($filename, strpos($filename, ".")+1));\r
  48                 \r
  49                 // filetype is jpeg\r
  50                 if ($filetype=='jpg' || $filetype=='jpeg') {\r
  51                 \r
  52                         $size=getimagesize($data['uploadfile']);\r
  53                         \r
  54                         // size[0] is the image width           \r
  55                         if ($size[0]>$this->getOption('maxwidth')) {\r
  56 \r
  57                                 $newheight =  $this->getOption('maxwidth') * $size[1]/$size[0];\r
  58                         $image_orig = imagecreatefromjpeg($uploadfile);\r
  59                                 $image_new = imagecreatetruecolor($this->getOption('maxwidth'), $newheight);\r
  60                 \r
  61                                 imagecopyresampled($image_new, $image_orig, 0, 0, 0, 0, $this->getOption('maxwidth'), $newheight, $size[0], $size[1]);\r
  62 \r
  63                                 imagejpeg ($image_new , $uploadfile);\r
  64                                 \r
  65                                 // clear the memory\r
  66                                 imagedestroy($image_orig);\r
  67                                 imagedestroy($image_new);\r
  68                 \r
  69                         }\r
  70                 }\r
  71                 \r
  72                 // filetype is png\r
  73                 if ($filetype=='png') {\r
  74                 \r
  75                         $size=getimagesize($data['uploadfile']);\r
  76                 \r
  77                         // size[0] is the image width\r
  78                         if ($size[0]>$this->getOption('maxwidth')) {\r
  79                 \r
  80                                 $newheight =  $this->getOption('maxwidth') * $size[1]/$size[0];\r
  81                         $image_orig = imagecreatefrompng($uploadfile);\r
  82                                 $image_new = imagecreatetruecolor($this->getOption('maxwidth'), $newheight);\r
  83 \r
  84                                 imagecopyresampled($image_new, $image_orig, 0, 0, 0, 0, $this->getOption('maxwidth'), $newheight, $size[0], $size[1]);\r
  85                 \r
  86                                 imagepng ( $image_new , $uploadfile);\r
  87                                 \r
  88                                 // clear the memory\r
  89                                 imagedestroy($image_orig);\r
  90                                 imagedestroy($image_new);\r
  91 \r
  92                         }\r
  93                 }\r
  94         }\r
  95 }\r
  96 \r
  97 ?>\r