source: extensions/header_manager/include/functions.inc.php @ 22857

Revision 22857, 3.6 KB checked in by mistic100, 6 years ago (diff)

rename personal get_crop_display function to avoid conflicts

Line 
1<?php
2if (!defined('HEADER_MANAGER_PATH')) die('Hacking attempt!');
3
4/**
5 * give a list of available banners
6 * @param: bool delete_orphans (from unachieved cropping process)
7 */
8function list_banners($delete_orphans=false)
9{ 
10  if (!file_exists(HEADER_MANAGER_DIR)) return array();
11  $dir = scandir(HEADER_MANAGER_DIR);
12  $banners = array();
13 
14  foreach ($dir as $file)
15  {
16    if ( in_array($file, array('.','..','index.php','.svn')) ) continue;
17    if ( !in_array(strtolower(get_extension($file)), array('jpg','jpeg','png','gif')) ) continue;
18    if ( strpos($file, '-thumbnail')!==false ) continue;
19   
20    $banner = get_banner($file);
21
22    if ( $delete_orphans and !file_exists($banner['THUMB']) )
23    {
24      @unlink($banner['PATH']);
25    }
26    else
27    {
28      $banners[ get_filename_wo_extension($banner['NAME']) ] = $banner;
29    }
30  }
31 
32  return $banners;
33}
34
35/**
36 * get full size and thumbnail urls and size for a banner
37 * @param: string filename
38 */
39function get_banner($file)
40{
41  if (file_exists(HEADER_MANAGER_DIR . $file))
42  {
43    return array(
44      'NAME' => $file,
45      'PATH' => get_root_url().HEADER_MANAGER_DIR . $file,
46      'THUMB' => get_root_url().HEADER_MANAGER_DIR . get_filename_wo_extension($file) . '-thumbnail.'. get_extension($file),
47      'SIZE' => getimagesize(HEADER_MANAGER_DIR . $file),
48      );
49  }
50  else
51  {
52    return false;
53  }
54}
55
56/**
57 * get properties of the jCrop window
58 * @param: array picture(width, height[, coi])
59 * @return: array crop(display_width, display_height, l, r, t, b, coi(x, y))
60 */
61function hm_get_crop_display($picture)
62{
63  global $conf;
64 
65  // find coi
66  if (!empty($picture['coi']))
67  {
68    $picture['coi'] = array(
69      'l' => char_to_fraction($picture['coi'][0])*$picture['width'],
70      't' => char_to_fraction($picture['coi'][1])*$picture['height'],
71      'r' => char_to_fraction($picture['coi'][2])*$picture['width'],
72      'b' => char_to_fraction($picture['coi'][3])*$picture['height'],
73      );
74  }
75  else
76  {
77    $picture['coi'] = array(
78      'l' => 0,
79      't' => 0,
80      'r' => $picture['width'],
81      'b' => $picture['height'],
82      );
83  }
84  $crop['coi']['x'] = ($picture['coi']['r']+$picture['coi']['l'])/2;
85  $crop['coi']['y'] = ($picture['coi']['b']+$picture['coi']['t'])/2;
86 
87  // define default crop frame
88  if ($picture['width'] > $conf['header_manager']['width'])
89  {
90    $crop['display_width'] = $conf['header_manager']['width'];
91    $crop['display_height'] = round($picture['height']*$crop['display_width']/$picture['width']);
92   
93    $crop['coi']['x'] = round($crop['coi']['x']*$crop['display_width']/$picture['width']);
94    $crop['coi']['y'] = round($crop['coi']['y']*$crop['display_height']/$picture['height']);
95   
96    $crop['l'] = 0;
97    $crop['r'] = $conf['header_manager']['width'];
98    $crop['t'] = max(0, $crop['coi']['y']-$conf['header_manager']['height']/2);
99    $crop['b'] = min($crop['display_height'], $crop['t']+$conf['header_manager']['height']);
100  }
101  else
102  {
103    $crop['display_width'] = $picture['width'];
104    $crop['display_height'] = $picture['height'];
105   
106    $adapted_crop_height = round($conf['header_manager']['height']*$picture['width']/$conf['header_manager']['width']);
107   
108    $crop['l'] = 0;
109    $crop['r'] = $picture['width'];
110    $crop['t'] = max(0, $crop['coi']['y']-$adapted_crop_height/2);
111    $crop['b'] = min($crop['display_height'], $crop['t']+$adapted_crop_height);
112  }
113 
114  return $crop;
115}
116
117/**
118 * clean table when categroies are delete
119 */
120function header_manager_delete_categories($ids)
121{
122  $query = '
123DELETE FROM '.HEADER_MANAGER_TABLE.'
124  WHERE category_id IN('.implode(',', $ids).')
125;';
126  pwg_query($query);
127}
128
129?>
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