Add a guard against overlapping transactions.
[platal.git] / classes / plimage.php
1 <?php
2 /***************************************************************************
3 * Copyright (C) 2003-2010 Polytechnique.org *
4 * http://opensource.polytechnique.org/ *
5 * *
6 * This program is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the Free Software *
18 * Foundation, Inc., *
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
20 ***************************************************************************/
21
22 class PlImage {
23 protected $mime = null;
24 protected $x = null;
25 protected $y = null;
26
27 protected $data = null;
28 protected $file = null;
29
30 protected function __construct()
31 {
32 }
33
34 public function send()
35 {
36 pl_cached_dynamic_content_headers($this->mime);
37 if (empty($this->data)) {
38 readfile($this->file);
39 } else {
40 echo $this->data;
41 }
42 exit;
43 }
44
45 public function path()
46 {
47 if (empty($this->data)) {
48 return $file;
49 } else {
50 $name = md5($this->data);
51 $GLOBALS['img' . $name] = $this->data;
52 return 'var://img' . $name;
53 }
54 }
55
56 public function width()
57 {
58 return $this->x;
59 }
60
61 public function height()
62 {
63 return $this->y;
64 }
65
66 public function mimeType()
67 {
68 return $this->mime;
69 }
70
71 public static function fromData($data, $mime, $x = null, $y = null)
72 {
73 $image = new PlImage();
74 $image->data = $data;
75 $image->mime = $mime;
76 $image->x = $x;
77 $image->y = $y;
78 return $image;
79 }
80
81 public static function fromFile($path, $mime, $x = null, $y = null)
82 {
83 $image = new PlImage();
84 $image->file = $path;
85 $image->mime = $mime;
86 $image->x = $x;
87 $image->y = $y;
88 return $image;
89 }
90 }
91
92 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
93 ?>