classes/Avatar.php

   1 <?php
   2 /**
   3  * Table Definition for avatar
   4  */
   5 require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
   6
   7 class Avatar extends Memcached_DataObject
   8 {
   9     ###START_AUTOCODE
  10     /* the code below is auto generated do not remove the above tag */
  11
  12     public $__table = 'avatar';                          // table name
  13     public $profile_id;                      // int(4)  primary_key not_null
  14     public $original;                        // tinyint(1)
  15     public $width;                           // int(4)  primary_key not_null
  16     public $height;                          // int(4)  primary_key not_null
  17     public $mediatype;                       // varchar(32)   not_null
  18     public $filename;                        // varchar(255)
  19     public $url;                             // varchar(255)  unique_key
  20     public $created;                         // datetime()   not_null
  21     public $modified;                        // timestamp()   not_null default_CURRENT_TIMESTAMP
  22
  23     /* Static get */
  24     function staticGet($k,$v=NULL) { return Memcached_DataObject::staticGet('Avatar',$k,$v); }
  25
  26     /* the code above is auto generated do not remove the tag below */
  27     ###END_AUTOCODE
  28
  29     # We clean up the file, too
  30
  31     function delete() {
  32         $filename = $this->filename;
  33         if (parent::delete()) {
  34             @unlink(common_avatar_path($filename));
  35         }
  36     }
  37
  38     # Create and save scaled version of this avatar
  39     # XXX: maybe break into different methods
  40
  41     function scale($size) {
  42
  43         $image_s = imagecreatetruecolor($size, $size);
  44         $image_a = $this->to_image();
  45         $square = min($this->width, $this->height);
  46         imagecolortransparent($image_s, imagecolorallocate($image_s, 0, 0, 0));
  47         imagealphablending($image_s, false);
  48         imagesavealpha($image_s, true);
  49         imagecopyresampled($image_s, $image_a, 0, 0, 0, 0,
  50                            $size, $size, $square, $square);
  51
  52         $ext = ($this->mediattype == 'image/jpeg') ? ".jpeg" : ".png";
  53
  54         $filename = common_avatar_filename($this->profile_id, $ext, $size, common_timestamp());
  55
  56         if ($this->mediatype == 'image/jpeg') {
  57             imagejpeg($image_s, common_avatar_path($filename));
  58         } else {
  59             imagepng($image_s, common_avatar_path($filename));
  60         }
  61
  62         $scaled = DB_DataObject::factory('avatar');
  63         $scaled->profile_id = $this->profile_id;
  64         $scaled->width = $size;
  65         $scaled->height = $size;
  66         $scaled->original = false;
  67         $scaled->mediatype = ($this->mediattype == 'image/jpeg') ? 'image/jpeg' : 'image/png';
  68         $scaled->filename = $filename;
  69         $scaled->url = common_avatar_url($filename);
  70         $scaled->created = DB_DataObject_Cast::dateTime(); # current time
  71
  72         if ($scaled->insert()) {
  73             return $scaled;
  74         } else {
  75             return NULL;
  76         }
  77     }
  78
  79     function to_image() {
  80         $filepath = common_avatar_path($this->filename);
  81         if ($this->mediatype == 'image/gif') {
  82             return imagecreatefromgif($filepath);
  83         } else if ($this->mediatype == 'image/jpeg') {
  84             return imagecreatefromjpeg($filepath);
  85         } else if ($this->mediatype == 'image/png') {
  86             return imagecreatefrompng($filepath);
  87         } else {
  88             return NULL;
  89         }
  90     }
  91
  92     function &pkeyGet($kv) {
  93         return Memcached_DataObject::pkeyGet('Avatar', $kv);
  94     }
  95 }