phpfspot_img.php

   1 <?php
   2
   3 require_once "phpfspot_db.php";
   4 require_once "phpfspot.class.php";
   5
   6 class PHPFSPOT_IMG {
   7
   8    var $db;
   9    var $parent;
  10
  11    public function __construct()
  12    {
  13       $this->parent = new PHPFSPOT;
  14       $this->db = $this->parent->db;
  15
  16    } // __construct()
  17
  18    public function __destruct()
  19    {
  20
  21    } // __desctruct()
  22
  23    public function show($idx, $width = "")
  24    {
  25       $details = $this->parent->get_photo_details($idx);
  26
  27                 foreach(Array($this->parent->cfg->thumb_width, $this->parent->cfg->photo_width) as $resolution)
  28                   $this->resize_image($this->parent->translate_path($details['directory_path'])  ."/". $details['name'], $resolution);
  29
  30       if($width == "")
  31          $fullpath = $this->parent->translate_path($details['directory_path'])  ."/". $details['name'];
  32       else
  33          $fullpath = $this->parent->translate_path($details['directory_path'])  ."/thumbs/". $width ."_". $details['name'];
  34
  35
  36       $tmp = getimagesize($fullpath);
  37       $mime = $tmp['mime'];
  38
  39       Header("Content-Type: ". $mime);
  40       Header("Content-Length: ". filesize($fullpath));
  41       Header("Content-Transfer-Encoding: binary\n");
  42       $user_agent = strtolower ($_SERVER["HTTP_USER_AGENT"]);
  43       Header("Content-Disposition: inline; filename=\"". $details['name'] ."\"");
  44       Header("Accept-Ranges: bytes");
  45       Header("Connection: close");
  46
  47       $file = fopen($fullpath, "rb");
  48       fpassthru($file);
  49       @fclose($file);
  50
  51    } // show()
  52
  53    public function resize_image($image, $width)
  54    {
  55       $src_img = @imagecreatefromjpeg($image);
  56
  57       if($src_img)
  58       {
  59          /* grabs the height and width */
  60          $new_w = imagesx($src_img);
  61          $new_h = imagesy($src_img);
  62
  63          // If requested width is more then the actual image width,
  64          // do not generate a thumbnail
  65
  66          if($width >= $new_w) {
  67             imagedestroy($src_img);
  68             return;
  69          }
  70
  71          /* calculates aspect ratio */
  72          $aspect_ratio = $new_h / $new_w;
  73
  74          /* sets new size */
  75          $new_w = $width;
  76          $new_h = abs($new_w * $aspect_ratio);
  77
  78          /* creates new image of that size */
  79          $dst_img = imagecreatetruecolor($new_w,$new_h);
  80
  81          imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
  82
  83          /* copies resized portion of original image into new image */
  84          imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
  85
  86          /* write down new generated file */
  87
  88          if(!file_exists(dirname($image) ."/thumbs"))
  89             mkdir(dirname($image) ."/thumbs");
  90
  91          $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
  92          imagejpeg($dst_img, $newfile, 75);
  93
  94          /* free your mind */
  95          imagedestroy($dst_img);
  96          imagedestroy($src_img);
  97       }
  98
  99    } // resize_image()
 100 }
 101
 102 if(isset($_GET['idx']) && is_numeric($_GET['idx'])) {
 103
 104    if(isset($_GET['width']) && is_numeric($_GET['width']))
 105       $width = $_GET['width'];
 106    else
 107       $width = "";
 108
 109    $img = new PHPFSPOT_IMG;
 110    $img->show($_GET['idx'], $width);
 111 }
 112
 113 ?>