docs/mods/_standard/social/profile_picture.php

   1 <?php\r
   2 /****************************************************************/\r
   3 /* ATutor                                                                                                               */\r
   4 /****************************************************************/\r
   5 /* Copyright (c) 2002-2009                                                                              */\r
   6 /* Inclusive Design Institute                                   */\r
   7 /* http://atutor.ca                                                                                             */\r
   8 /*                                                              */\r
   9 /* This program is free software. You can redistribute it and/or*/\r
  10 /* modify it under the terms of the GNU General Public License  */\r
  11 /* as published by the Free Software Foundation.                                */\r
  12 /****************************************************************/\r
  13 // $Id$\r
  14 $_user_location = 'public';\r
  15 define('AT_INCLUDE_PATH', '../../../include/');\r
  16 require (AT_INCLUDE_PATH.'vitals.inc.php');\r
  17 $member_id = $_SESSION['member_id'];\r
  18 $_custom_css = $_base_path . AT_SOCIAL_BASENAME . 'module.css'; // use a custom stylesheet\r
  19 \r
  20 function resize_image($src, $dest, $src_h, $src_w, $dest_h, $dest_w, $type, $src_x=0, $src_y=0) {\r
  21         $thumbnail_img = imagecreatetruecolor($dest_w, $dest_h);\r
  22 \r
  23         if ($type == 'gif') {\r
  24                 $source = imagecreatefromgif($src);\r
  25         } else if ($type == 'jpg') {\r
  26                 $source = imagecreatefromjpeg($src);\r
  27         } else {\r
  28                 $source = imagecreatefrompng($src);\r
  29         }\r
  30         \r
  31         if ($src_x > 0 || $src_y > 0){\r
  32                 imagecopyresized($thumbnail_img, $source, 0, 0, $src_x, $src_y, $dest_w, $dest_h, $src_w, $src_h);\r
  33         } else {\r
  34                 imagecopyresampled($thumbnail_img, $source, $src_x, $src_y, 0, 0, $dest_w, $dest_h, $src_w, $src_h);\r
  35         }\r
  36 \r
  37         if ($type == 'gif') {\r
  38                 imagegif($thumbnail_img, $dest);\r
  39         } else if ($type == 'jpg') {\r
  40                 imagejpeg($thumbnail_img, $dest, 75);\r
  41         } else {\r
  42                 imagepng($thumbnail_img, $dest, 7);\r
  43         }\r
  44 }\r
  45 \r
  46 // check if GD is installed\r
  47 if (!extension_loaded('gd')) {\r
  48         require(AT_INCLUDE_PATH.'header.inc.php');\r
  49         $msg->printInfos('FEATURE_NOT_AVAILABLE');\r
  50         require(AT_INCLUDE_PATH.'footer.inc.php');\r
  51         exit;\r
  52 }\r
  53 \r
  54 // check if folder exists, if not, create it\r
  55 if (!is_dir(AT_CONTENT_DIR.'/profile_pictures/profile')) {\r
  56         mkdir(AT_CONTENT_DIR.'/profile_pictures/profile');\r
  57 }\r
  58 \r
  59 $gd_info = gd_info();\r
  60 $supported_images = array();\r
  61 if ($gd_info['GIF Create Support']) {\r
  62         $supported_images[] = 'gif';\r
  63 }\r
  64 if ($gd_info['JPG Support'] || $gd_info['JPEG Support']) {\r
  65         $supported_images[] = 'jpg';\r
  66 }\r
  67 if ($gd_info['PNG Support']) {\r
  68         $supported_images[] = 'png';\r
  69 }\r
  70 \r
  71 if (!$supported_images) {\r
  72         require(AT_INCLUDE_PATH.'header.inc.php');\r
  73         $msg->printInfos('FEATURE_NOT_AVAILABLE');\r
  74         require(AT_INCLUDE_PATH.'footer.inc.php');\r
  75         exit;\r
  76 }\r
  77 \r
  78 if (isset($_POST['cancel'])) {\r
  79         $msg->addFeedback('CANCELLED');\r
  80         header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);\r
  81         exit;\r
  82 } else if (isset($_POST['submit'])) {\r
  83         if (isset($_POST['delete']) && !$_FILES['file']['size']) {\r
  84                 profile_image_delete($member_id);\r
  85 \r
  86                 $msg->addFeedback('PROFILE_UPDATED');\r
  87 \r
  88                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);\r
  89                 exit;\r
  90         } else if ($_FILES['file']['error'] == UPLOAD_ERR_FORM_SIZE) {\r
  91                 $msg->addError(array('FILE_MAX_SIZE', $_config['prof_pic_max_file_size'] . ' ' . _AT('bytes')));\r
  92                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);\r
  93                 exit;\r
  94         } else if (!$_FILES['file']['size']) {\r
  95                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);\r
  96                 exit;\r
  97         }\r
  98 \r
  99         // check if this is a supported file type\r
 100         $filename   = $stripslashes($_FILES['file']['name']);\r
 101         $path_parts = pathinfo($filename);\r
 102         $extension  = strtolower($path_parts['extension']);\r
 103         $image_attributes = getimagesize($_FILES['file']['tmp_name']);\r
 104 \r
 105         if ($extension == 'jpeg') {\r
 106                 $extension = 'jpg';\r
 107         }\r
 108 \r
 109         if (!in_array($extension, $supported_images)) {\r
 110                 $msg->addError(array('FILE_ILLEGAL', $extension));\r
 111                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);\r
 112                 exit;\r
 113         } else if ($image_attributes[2] > IMAGETYPE_PNG) {\r
 114                 $msg->addError(array('FILE_ILLEGAL', $extension));\r
 115                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);\r
 116                 exit;\r
 117         }\r
 118 \r
 119         // make sure under max file size\r
 120         if ($_FILES['file']['size'] > $_config['prof_pic_max_file_size']) {\r
 121                 $msg->addError('FILE_MAX_SIZE');\r
 122                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);\r
 123                 exit;\r
 124         }\r
 125 \r
 126         // delete the old images (if any)\r
 127         profile_image_delete($member_id);\r
 128 \r
 129         $new_filename   = $member_id . '.' . $extension;\r
 130         $original_img  = AT_CONTENT_DIR.'profile_pictures/originals/'. $new_filename;\r
 131         $profile_img   = AT_CONTENT_DIR.'profile_pictures/profile/'. $new_filename;\r
 132         $thumbnail_img = AT_CONTENT_DIR.'profile_pictures/thumbs/'. $new_filename;\r
 133 \r
 134         // save original\r
 135         if (!move_uploaded_file($_FILES['file']['tmp_name'], $original_img)) {\r
 136                 $msg->addError('CANNOT_OVERWRITE_FILE');\r
 137                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);\r
 138                 exit;\r
 139         }\r
 140 \r
 141         // resize the original and save it at $thumbnail_file\r
 142         $width  = $image_attributes[0];\r
 143         $height = $image_attributes[1];\r
 144 \r
 145         $thumbnail_fixed_height = 60; \r
 146         $thumbnail_fixed_width = 60; \r
 147 \r
 148         if ($width > $height && $height > $thumbnail_fixed_height) {\r
 149                 $thumbnail_height= $thumbnail_fixed_height;\r
 150                 $thumbnail_width = intval($thumbnail_fixed_height * $width / $height);\r
 151                 resize_image($original_img, $thumbnail_img, $height, $width, $thumbnail_height, $thumbnail_width, $extension);\r
 152                 //cropping\r
 153                 resize_image($thumbnail_img, $thumbnail_img, $thumbnail_fixed_height, $thumbnail_fixed_width, $thumbnail_fixed_height, $thumbnail_fixed_width, $extension, ($thumbnail_width-$thumbnail_fixed_width)/2);\r
 154         } else if ($width <= $height && $width>$thumbnail_fixed_width) {\r
 155                 $thumbnail_height = intval($thumbnail_fixed_width * $height / $width);\r
 156                 $thumbnail_width  = $thumbnail_fixed_width;\r
 157                 resize_image($original_img, $thumbnail_img, $height, $width, $thumbnail_height, $thumbnail_width, $extension);\r
 158                 //cropping\r
 159                 resize_image($thumbnail_img, $thumbnail_img, $thumbnail_fixed_height, $thumbnail_fixed_width, $thumbnail_fixed_height, $thumbnail_fixed_width, $extension, 0, ($thumbnail_height-$thumbnail_fixed_height)/2);\r
 160         } else {\r
 161                 // no resizing, just copy the image.\r
 162                 // it's too small to resize.\r
 163                 copy($original_img, $thumbnail_img);\r
 164         }\r
 165 \r
 166         // resize the original and save it to profile\r
 167         $profile_fixed_height = 320;\r
 168         $profile_fixed_width = 240;\r
 169         if ($width > $height && $height>$profile_fixed_height) {\r
 170                 $profile_width = intval($profile_fixed_height * $width / $height);\r
 171                 $profile_height  = $profile_fixed_height;\r
 172                 resize_image($original_img, $profile_img, $height, $width, $profile_height, $profile_width, $extension);\r
 173                 //cropping\r
 174                 resize_image($profile_img, $profile_img, $profile_fixed_height, $profile_fixed_width, $profile_fixed_height, $profile_fixed_width, $extension, ($profile_width-$profile_fixed_width)/2);\r
 175         } else if ($width <= $height && $width > $profile_fixed_width) {\r
 176                 $profile_width = $profile_fixed_width;\r
 177                 $profile_height = intval($profile_fixed_width * $height / $width);\r
 178                 resize_image($original_img, $profile_img, $height, $width, $profile_height, $profile_width, $extension);\r
 179                 //cropping\r
 180                 resize_image($profile_img, $profile_img, $profile_fixed_height, $profile_fixed_width, $profile_fixed_height, $profile_fixed_width, $extension, 0, ($profile_height-$profile_fixed_height)/2);\r
 181         } else {\r
 182                 // no resizing, just copy the image.\r
 183                 // it's too small to resize.\r
 184                 copy($original_img, $profile_img);\r
 185         }\r
 186 \r
 187         $msg->addFeedback('PROFILE_UPDATED');\r
 188 \r
 189         header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);\r
 190         exit;\r
 191 }\r
 192 \r
 193 require(AT_INCLUDE_PATH.'header.inc.php');\r
 194 $savant->assign('member_id', $member_id);\r
 195 $savant->assign('supported_images', $supported_images);\r
 196 $savant->display('social/profile_picture.html.php');\r
 197 require(AT_INCLUDE_PATH.'footer.inc.php'); \r
 198 ?>