source: trunk/include/functions_picture.inc.php @ 14830

Last change on this file since 14830 was 14830, checked in by plg, 12 years ago

multisize (derivatives): remove obsolete functions get_high_path,
get_high_url, get_high_location, get_picture_size

  • Property svn:eol-style set to LF
File size: 3.7 KB
Line 
1<?php
2// +-----------------------------------------------------------------------+
3// | Piwigo - a PHP based photo gallery                                    |
4// +-----------------------------------------------------------------------+
5// | Copyright(C) 2008-2012 Piwigo Team                  http://piwigo.org |
6// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
7// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
8// +-----------------------------------------------------------------------+
9// | This program is free software; you can redistribute it and/or modify  |
10// | it under the terms of the GNU General Public License as published by  |
11// | the Free Software Foundation                                          |
12// |                                                                       |
13// | This program is distributed in the hope that it will be useful, but   |
14// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
15// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
16// | General Public License for more details.                              |
17// |                                                                       |
18// | You should have received a copy of the GNU General Public License     |
19// | along with this program; if not, write to the Free Software           |
20// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
21// | USA.                                                                  |
22// +-----------------------------------------------------------------------+
23
24
25/*
26 * get slideshow default params into array
27 *
28 * @param void
29 *
30 * @return slideshow default values into array
31 */
32function get_default_slideshow_params()
33{
34  global $conf;
35
36  return array(
37    'period' => $conf['slideshow_period'],
38    'repeat' => $conf['slideshow_repeat'],
39    'play' => true,
40    );
41}
42
43/*
44 * check and correct slideshow params from array
45 *
46 * @param array of params
47 *
48 * @return slideshow corrected values into array
49 */
50function correct_slideshow_params($params = array())
51{
52  global $conf;
53
54  if ($params['period'] < $conf['slideshow_period_min'])
55  {
56    $params['period'] = $conf['slideshow_period_min'];
57  }
58  else if ($params['period'] > $conf['slideshow_period_max'])
59  {
60    $params['period'] = $conf['slideshow_period_max'];
61  }
62
63  return $params;
64}
65
66/*
67 * Decode slideshow string params into array
68 *
69 * @param string params like ""
70 *
71 * @return slideshow values into array
72 */
73function decode_slideshow_params($encode_params = null)
74{
75  global $conf;
76
77  $result = get_default_slideshow_params();
78
79  if (is_numeric($encode_params))
80  {
81    $result['period'] = $encode_params;
82  }
83  else
84  {
85    $matches = array();
86    if (preg_match_all('/([a-z]+)-(\d+)/', $encode_params, $matches))
87    {
88      $matchcount = count($matches[1]);
89      for ($i = 0; $i < $matchcount; $i++)
90      {
91        $result[$matches[1][$i]] = $matches[2][$i];
92      }
93    }
94
95    if (preg_match_all('/([a-z]+)-(true|false)/', $encode_params, $matches))
96    {
97      $matchcount = count($matches[1]);
98      for ($i = 0; $i < $matchcount; $i++)
99      {
100        $result[$matches[1][$i]] = get_boolean($matches[2][$i]);
101      }
102    }
103  }
104
105  return correct_slideshow_params($result);
106}
107
108/*
109 * Encode slideshow array params into array
110 *
111 * @param array params
112 *
113 * @return slideshow values into string
114 */
115function encode_slideshow_params($decode_params = array())
116{
117  global $conf;
118
119  $params = array_diff_assoc(correct_slideshow_params($decode_params), get_default_slideshow_params());
120  $result = '';
121
122  foreach ($params as $name => $value)
123  {
124    // boolean_to_string return $value, if it's not a bool
125    $result .= '+'.$name.'-'.boolean_to_string($value);
126  }
127
128  return $result;
129}
130?>
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