summaryrefslogtreecommitdiffstats
path: root/phpfspot_img.php
blob: f298b009bfd3366b6535c2efcd57a001f1774ab4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
<?php

/***************************************************************************
 *
 * phpfspot, presents your F-Spot photo collection in Web browsers.
 *
 * Copyright (c) by Andreas Unterkircher
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 ***************************************************************************/

require_once "phpfspot.class.php";

/**
 * PHPFSPOT_IMG class
 *
 * handles phpfspot's photos. It will output either the photo binaries
 * or can also show error messages as a on-the-fly generated picture.
 *
 * @package phpfspot
 */
class PHPFSPOT_IMG {
   
   private $db;
   private $parent;

   /**
    * PHPFSPOT_IMG class constructor
    */
   public function __construct()
   {
      $this->parent = new PHPFSPOT;
      $this->db = $this->parent->db;

   } // __construct()

   /**
    * PHPFSPOT_IMG class destructor
    */
   public function __destruct()
   {

   } // __desctruct()

   /**
    * sends the specified image to the browser
    *
    * this function will send the specified image to 
    * the client - in the specified width. it also try's
    * to create on-the-fly missing thumbnails via PHPFSPOT
    * gen_thumbs function.
    * @param integer $idx
    * @param integer $width
    */
   public function show($idx, $width = 0)
   {
      if($idx == 'rand')
         $idx = $this->parent->get_random_photo();

      $details = $this->parent->get_photo_details($idx);
   
      if(!$details) {
         $this->parent->showTextImage("The image (". $idx .") you requested is unknown");
         return;
      }

      /* no width specified - show photo in its original size */
      if($width == 0) {
         $fullpath = $this->parent->translate_path($this->parent->parse_uri($details['uri'], 'fullpath'));
      }
      /* show thumbnail */
      else {
         /* if no entry for this photo is yet in the database, create thumb */
         if(!$this->parent->getMD5($idx)) {
            $this->parent->gen_thumb($idx);
         }
         $fullpath = $this->parent->get_thumb_path($width, $idx);
         /* if the thumb file does not exist, create it */
         if(!file_exists($fullpath)) {
            $this->parent->gen_thumb($idx);
         }
      }

      if(!file_exists($fullpath)) {
         $this->parent->showTextImage("File ". basename($fullpath) ." does not exist");
         return;
      }
      if(!is_readable($fullpath)) {
         $this->parent->showTextImage("File ". basename($fullpath) ." is not readable. Check the permissions");
         return;
      }

      $tmp = getimagesize($fullpath);
      $mime = $tmp['mime'];

      if(!$this->parent->checkifImageSupported($mime)) {
         $this->parent->showTextImage("Unsupported Image Type");
         return;
      }

      Header("Content-Type: ". $mime);
      Header("Content-Length: ". filesize($fullpath));
      Header("Content-Transfer-Encoding: binary\n");
      Header("Content-Disposition: inline; filename=\"". $this->parent->parse_uri($details['uri'], 'filename') ."\"");
      Header("Content-Description: ". $this->parent->parse_uri($details['uri'], 'filename'));
      Header("Accept-Ranges: bytes");
      Header("Connection: close");
      Header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
      Header("Cache-Control: no-cache");
      Header("Pragma: no-cache");
         
      $file = fopen($fullpath, "rb");
      fpassthru($file);
      @fclose($file);

   } // show()

} // PHPFSPOT_IMG()

if(isset($_GET['idx']) && (is_numeric($_GET['idx']) || $_GET['idx'] == 'rand')) {

   $img = new PHPFSPOT_IMG;

   if(isset($_GET['width']) && is_numeric($_GET['width'])) 
      $img->show($_GET['idx'], $_GET['width']);
   else
      $img->show($_GET['idx']);
}

?>