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<?php

/*************************

  Coppermine Photo Gallery

  ************************

  Copyright (c) 2003-2005 Coppermine Dev Team

  v1.1 originaly written by Gregory DEMAR

  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.

  ********************************************

  Coppermine version: 1.3.3

  $Source: /cvsroot/coppermine/stable/include/media.functions.inc.php,v $

  $Revision: 1.4 $

  $Author: gaugau $

  $Date: 2005/04/19 03:17:11 $

**********************************************/

// REQUIRES GLOBAL VAR: CONFIG

// REQUIRES GLOBAL FUNCTION: db_query

global $FILE_TYPES;

// Map content types to corresponding user parameters

$content_types_to_vars = array('image'=>'allowed_img_types','audio'=>'allowed_snd_types','movie'=>'allowed_mov_types','document'=>'allowed_doc_types');

$CONFIG['allowed_file_extensions'] = '';

if (count($FILE_TYPES)==0) {

         $result = db_query('SELECT extension, mime, content FROM '.$CONFIG['TABLE_FILETYPES'].';');

         while ($row = mysql_fetch_array($result)) {

             // Only add types that are in both the database and user defined parameter

        if ($CONFIG[$content_types_to_vars[$row['content']]]=='ALL' || is_int(strpos('/'.$CONFIG[$content_types_to_vars[$row['content']]].'/','/'.$row['extension'].'/')))

        {

            $FILE_TYPES[$row['extension']] = $row;

            $CONFIG['allowed_file_extensions'].= '/'.$row['extension'];

    }   }

    mysql_free_result($result);

}

$CONFIG['allowed_file_extensions'] = substr($CONFIG['allowed_file_extensions'],1);

function get_type($filename,$filter=null)

{

    global $FILE_TYPES;

    if (!is_array($filename))

        $filename = explode('.',$filename);

    $EOA = count($filename)-1;

    $filename[$EOA] = strtolower($filename[$EOA]);

    if (!is_null($filter) && $FILE_TYPES[$filename[$EOA]]['content']==$filter)

        return $FILE_TYPES[$filename[$EOA]];

    elseif (is_null($filter))

        return $FILE_TYPES[$filename[$EOA]];

    else

        return null;

}

function is_image(&$file)

{

    return get_type($file,'image');

}

function is_movie(&$file)

{

    return get_type($file,'movie');

}

function is_audio(&$file)

{

    return get_type($file,'audio');

}

function is_document(&$file)

{

    return get_type($file,'document');

}

function is_known_filetype($file)

{

    return is_image($file) || is_movie($file) || is_audio($file) || is_document($file);

}

// Not implemented yet--will be implemented by Chris

/*

function cpg_file_html(&$file,$type='thumb',$file_title='')

{

    global $CONFIG, $pic_title;

    $mime_content = get_type($file['filename']);

    $extension = file_exists("images/thumb_{$mime_content['extension']}.jpg") ? $mime_content['extension']:$mime_content['content'];

    if ($mime_content['content']=='image' && $type=='thumb') {

        $file['pwidth'] = 100;

        $file['pheight'] = 100;

    }

    if ($type=='thumb')

        $file_url = get_pic_url($file, 'thumb',$file_title='');

    elseif ($CONFIG['make_intermediate'] && max($file['pwidth'], $file['pheight']) > $CONFIG['picture_width'])

        $file_url = get_pic_url($file, 'normal');

    else

        $file_url = get_pic_url($file, 'fullsize');

    $image_size = compute_img_size($file['pwidth'], $file['pheight'], $CONFIG['alb_list_thumb_size']);

    if (($file['pwidth']==0 || $file['pheight']==0) && $type!='thumb')

        $image_size['geom']='';

    if ($mime_content['content']=='image') {

        if (isset($image_size['reduced'])) {

            $file_html = "<a href=\"javascript:;\" onClick=\"MM_openBrWindow('displayimage.php?pid=$pid&fullsize=1','" . uniqid(rand()) . "','scrollbars=yes,toolbar=yes,status=yes,resizable=yes,width=" . $file['pwidth']+16 . ",height=" . $file['pheight']+16 . "')\">"

            $file_title = ""

        }

        return "<img src=\"" . $file_url . "\" class=\"image\" {$image_size['geom']} border=\"0\" alt=\"{$file['filename']}\" title=\"$pic_title\">";

    }

    elseif ($type=='thumb')

        return "<img src=\"images/thumb_{$extension}.jpg\" class=\"image\" {$image_size['geom']} border=\"0\" alt=\"{$file['filename']}\" title=\"$pic_title\">";

    elseif ($mime_content['content']=='movie')

        return "<object {$image_size['geom']}><param name=\"movie\" value=\"". $file_url . "\"><embed {$image_size['geom']} src=\"". $file_url . "\"></embed></object>\n";

    elseif ($mime_content['content']=='audio')

        return "<object {$image_size['geom']}><param name=\"movie\" value=\"". $file_url . "\"><embed {$image_size['geom']} src=\"". $file_url . "\"></embed></object>\n";

    elseif ($mime_content['content']=='document')

        return "<a href=\"{$file_url}\" target=\"_blank\" class=\"document_link\"><img src=\"images/thumb_$extension.jpg\" border=\"0\" class=\"image\" /></a>\n";

}*/

?>