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<?php
/* Open Media Lending Database
Copyright (C) 2001,2002 by Jason Pell
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 (at your option) 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
include_once("./functions/widgets.php");
include_once('./functions/phpthumb/phpthumb.class.php');
include_once('./functions/fileutils.php');
include_once('./functions/utils.php');
function get_image_filelist($save_dir)
{
global $CONFIG_VARS;
if(is_dir($save_dir))
{
// remove last slash.
if(substr($save_dir,-1) == '/')
$save_dir = substr($save_dir,0,-1);
$filelist = array();
// clear cached file stats.
@clearstatcache();
// will match a thumbnail format image exactly.
$thumbnail_preg_match = str_replace('{filename}', '(.*)', $CONFIG_VARS['thumbnail.item_files_thumbnail_mask']);
$handle=opendir($save_dir.'/');
while ($file = readdir($handle))
{
if(!ereg("^[.]",$file) && is_file($save_dir.'/'.$file))
{
if(!preg_match("/".$thumbnail_preg_match."/", $file, $matches))
{
$file_r = parse_file($file);
// only support these image types.
if(is_thumbable_image_file(NULL, $file_r['extension']))
{
$thumbimgname = get_thumbnail_filename($file_r);
if(!file_exists($save_dir.'/'.$thumbimgname) ||
// if thumbnail is older than file, then redo thumbnail.
filemtime($save_dir.'/'.$thumbimgname) <
filemtime($save_dir.'/'.$file_r['name'].'.'.$file_r['extension']))
{
$filelist[] = array(
'file'=>$file_r['name'].'.'.$file_r['extension'],
'thumb'=>$thumbimgname);
}
}
}
}
}
closedir($handle);
return $filelist;
}
else
{
return FALSE;
}
}
function delete_thumbnails($save_dir)
{
global $CONFIG_VARS;
if(is_dir($save_dir))
{
// remove last slash.
if(substr($save_dir,-1) == '/')
$save_dir = substr($save_dir,0,-1);
$filelist = array();
// will match a thumbnail format image exactly.
$thumbnail_preg_match = str_replace('{filename}', '(.*)', $CONFIG_VARS['thumbnail.item_files_thumbnail_mask']);
$handle=opendir($save_dir.'/');
while ($file = readdir($handle))
{
if(!ereg("^[.]",$file) && is_file($save_dir.'/'.$file))
{
if(preg_match("/".$thumbnail_preg_match."/", $file, $matches))
{
$filelist[] = $file;
}
}
}
closedir($handle);
for($i=0; $i<count($filelist); $i++)
{
@unlink($filelist[$i]);
}
}
else
{
return FALSE;
}
}
/**
* $CONFIG_VARS['thumbnail.item_image_size'] = array(height=>'100', width=>'');
$CONFIG_VARS['thumbnail.item_files_thumbnail_mask'] = '{filename)_T.{ext}';
$CONFIG_VARS['item_input.item_attr_save_dir']
*/
function generate_thumbnails($save_dir, $filelist)
{
global $CONFIG_VARS;
if(is_not_empty_array($filelist))
{
$phpThumb = new phpThumb();
$phpThumb->config_error_die_on_error = false;
// configure the size of the thumbnail.
if(is_array($CONFIG_VARS['thumbnail.item_image_size']))
{
if(is_numeric($CONFIG_VARS['thumbnail.item_image_size']['width']))
$phpThumb->w = $CONFIG_VARS['thumbnail.item_image_size']['width'];
else if(is_numeric($CONFIG_VARS['thumbnail.item_image_size']['height']))
$phpThumb->h = $CONFIG_VARS['thumbnail.item_image_size']['height'];
}
else
{
$phpThumb->h = 100;
}
if(strlen($CONFIG_VARS['thumbnail.output_format'])>0)
{
if($CONFIG_VARS['thumbnail.output_format'] != 'jpg')
$phpThumb->config_output_format = $CONFIG_VARS['thumbnail.output_format'];
else
$phpThumb->config_output_format = 'jpeg'; // 'jpg might be configured by mistake so support it.
}
else
{
// default
$phpThumb->config_output_format = 'jpeg';
}
for($i=0; $i<count($filelist); $i++)
{
$phpThumb->setSourceFilename($save_dir.'/'.$filelist[$i]['file']);
// generate & output thumbnail
if ($phpThumb->GenerateThumbnail()) {
$phpThumb->RenderToFile($save_dir.'/'.$filelist[$i]['thumb']);
// or $phpThumb->OutputThumbnail();
} else {
// do something with debug/error messages
if(is_not_empty_array($phpThumb->debugmessages))
$filelist[$i]['errors'] = $phpThumb->debugmessages;
else if(strlen($phpThumb->debugmessages)>0) // single array element
$filelist[$i]['errors'][] = $phpThumb->debugmessages;
}
}
return $filelist;
}
else
{
// no files to process
return TRUE;
}
}
session_start();
if(is_opendb_valid_session())
{
if (is_user_admin($HTTP_SESSION_VARS['user_id'], $HTTP_SESSION_VARS['user_type']))
{
if($CONFIG_VARS['thumbnail.enable']!==FALSE)
{
if(strlen($CONFIG_VARS['item_input.item_attr_save_dir'])>0 &&
is_dir($CONFIG_VARS['item_input.item_attr_save_dir']))
{
if($HTTP_VARS['op'] == 'generate')
{
set_time_limit(0);
echo("<div class=\"colortext\">Results of generating thumbnails for <code>".$CONFIG_VARS['item_input.item_attr_save_dir']."</code> directory images:<br></div>");
$return_val = generate_thumbnails($CONFIG_VARS['item_input.item_attr_save_dir'], get_image_filelist($CONFIG_VARS['item_input.item_attr_save_dir']));
if(is_array($return_val))
{
echo("<br><table width=50% border=1>");
echo("<tr><th>File</th><th>Thumbnail</th><th>Errors</th></tr>");
for($i=0; $i<count($return_val); $i++)
{
if(is_array($return_val['errors']))
echo("<tr><td align=center>".$return_val[$i]['file']."</td><td align=center>".$return_val[$i]['thumb']."</td><td class=\"error\">".implode("\n", $return_val[$i]['errors'])."</td></tr>");
else
echo("<tr><td align=center>".$return_val[$i]['file']."</td><td align=center>".$return_val[$i]['thumb']."</td><td>None</td></tr>");
}
echo("</table>");
}
else if($return_val !== FALSE)
{
echo("<br><div class=\"error\">No images require thumbnails</div>");
}
}
else
{
$filelist = get_image_filelist($CONFIG_VARS['item_input.item_attr_save_dir']);
if(is_not_empty_array($filelist))
{
// display file list.
echo("<div class=\"colortext\">The following <code>".$CONFIG_VARS['item_input.item_attr_save_dir']."</code> directory images require thumbnails:<br></div>");
echo("<br><table width=50% border=1>");
echo("<tr><th>File</th><th>Thumbnail</th></tr>");
for($i=0; $i<count($filelist); $i++)
{
echo("<tr><td align=center>".$filelist[$i]['file']."</td><td align=center>".$filelist[$i]['thumb']."</td></tr>");
}
echo("</table>");
echo("\n<br><table border=0 frameborder=0 cellspacing=1>");
echo("\n<form name=\"main\" action=\"$PHP_SELF\" method=\"post\">");
echo("\n<input type=\"hidden\" name=\"type\" value=\"$ADMIN_TYPE\">");
echo("\n<input type=\"hidden\" name=\"op\" value=\"generate\">");
echo("\n<tr><td colspan=2><input type=submit value=\"Generate Thumbnails\">");
echo("\n</td></tr>");
echo("\n</form>");
echo("\n</table>");
}
else
{
echo("<div class=\"success\">No images require thumbnails</div>");
}
}
}
else
{
echo("<div class=\"error\">Item files directory not configured</div>");
}
}
else
{
echo _theme_error($LANG_VARS['operation_not_available']);
}
}
else
{
echo _theme_error($LANG_VARS['not_authorized_to_page']);
}
}//if(is_opendb_valid_session())
?>
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