1798 lines
42 KiB
PHP
1798 lines
42 KiB
PHP
<?php
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//
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// ZoneMinder web function library, $Date$, $Revision$
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// Copyright (C) 2003, 2004, 2005, 2006 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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// Compatibility functions
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if ( version_compare( phpversion(), "4.3.0", "<") )
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{
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function ob_get_clean()
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{
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$buffer = ob_get_contents();
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ob_end_clean();
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return( $buffer );
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}
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}
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function userLogin( $username, $password="" )
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{
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global $user, $cookies;
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if ( version_compare( phpversion(), "4.1.0", "<") )
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{
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global $_SESSION, $_SERVER;
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}
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if ( version_compare( phpversion(), "4.3.0", "<") )
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{
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$mysql_username = mysql_escape_string($username);
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$mysql_password = mysql_escape_string($password);
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}
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else
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{
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$mysql_username = mysql_real_escape_string($username);
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$mysql_password = mysql_real_escape_string($password);
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}
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if ( ZM_AUTH_TYPE == "builtin" )
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{
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$sql = "select * from Users where Username = '$mysql_username' and Password = password('$mysql_password') and Enabled = 1";
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}
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else
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{
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$sql = "select * from Users where Username = '$mysql_username' and Enabled = 1";
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}
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$result = mysql_query( $sql );
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if ( !$result )
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echo mysql_error();
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$_SESSION['username'] = $username;
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if ( ZM_AUTH_RELAY == "plain" )
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{
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// Need to save this in session
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$_SESSION['password'] = $password;
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}
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$_SESSION['remote_addr'] = $_SERVER['REMOTE_ADDR']; // To help prevent session hijacking
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if ( $db_user = mysql_fetch_assoc( $result ) )
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{
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$_SESSION['user'] = $user = $db_user;
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if ( ZM_AUTH_TYPE == "builtin" )
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{
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$_SESSION['password_hash'] = $user['Password'];
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}
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}
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else
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{
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unset( $user );
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}
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mysql_free_result( $result );
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if ( $cookies ) session_write_close();
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}
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function userLogout()
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{
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global $user;
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if ( version_compare( phpversion(), "4.1.0", "<") )
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{
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global $_SESSION;
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}
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unset( $_SESSION['user'] );
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unset( $user );
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session_destroy();
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}
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function noCacheHeaders()
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{
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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
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header("Last-Modified: ".gmdate( "D, d M Y H:i:s" )." GMT"); // always modified
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header("Cache-Control: no-store, no-cache, must-revalidate"); // HTTP/1.1
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header("Cache-Control: post-check=0, pre-check=0", false);
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header("Pragma: no-cache"); // HTTP/1.0
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}
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function authHash( $use_remote_addr )
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{
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if ( version_compare( phpversion(), "4.1.0", "<") )
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{
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global $_SESSION;
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}
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if ( ZM_OPT_USE_AUTH && ZM_AUTH_RELAY == "hashed" )
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{
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$time = localtime();
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if ( $use_remote_addr )
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{
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$auth_key = ZM_AUTH_HASH_SECRET.$_SESSION['username'].$_SESSION['password_hash'].$_SESSION['remote_addr'].$time[2].$time[3].$time[4].$time[5];
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}
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else
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{
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$auth_key = ZM_AUTH_HASH_SECRET.$_SESSION['username'].$_SESSION['password_hash'].$time[2].$time[3].$time[4].$time[5];
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}
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$auth = md5( $auth_key );
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}
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else
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{
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$auth = "";
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}
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return( $auth );
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}
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function getStreamSrc( $args )
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{
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if ( version_compare( phpversion(), "4.1.0", "<") )
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{
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global $_SESSION, $_SERVER;
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}
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$stream_src = ZM_BASE_URL.ZM_PATH_ZMS;
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if ( ZM_OPT_USE_AUTH )
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{
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if ( ZM_AUTH_RELAY == "hashed" )
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{
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$args[] = "auth=".authHash( ZM_AUTH_HASH_IPS );
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}
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elseif ( ZM_AUTH_RELAY == "plain" )
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{
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$args[] = "user=".$_SESSION['username'];
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$args[] = "pass=".$_SESSION['password'];
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}
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elseif ( ZM_AUTH_RELAY == "none" )
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{
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$args[] = "user=".$_SESSION['username'];
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}
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}
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if ( ZM_RAND_STREAM )
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{
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$args[] = "rand=".time();
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}
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if ( count($args) )
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{
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$stream_src .= "?".join( "&", $args );
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}
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return( $stream_src );
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}
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function outputVideoStream( $src, $width, $height, $name, $format )
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{
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switch ( $format )
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{
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case "asf" :
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$mime_type = "video/x-ms-asf";
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break;
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case "swf" :
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$mime_type = "application/x-shockwave-flash";
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break;
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case "mp4" :
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$mime_type = "video/mp4";
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break;
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case "mov" :
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$mime_type = "video/quicktime";
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break;
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default :
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$mime_type = "video/$format";
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break;
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}
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$object_tag = false;
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if ( ZM_WEB_USE_OBJECT_TAGS )
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{
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switch( $format )
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{
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case "asf" :
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case "wmv" :
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{
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if ( isWindows() )
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{
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?>
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<object id="<?= $name ?>" width="<?= $width ?>" height="<?= $height ?>"
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classid="CLSID:22D6F312-B0F6-11D0-94AB-0080C74C7E95"
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codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,0,02,902"
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standby="Loading Microsoft Windows Media Player components..."
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type="<?= $mime_type ?>">
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<param name="FileName" value="<?= $src ?>">
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<param name="autoStart" value="1">
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<param name="showControls" value="0">
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<embed type="<?= $mime_type ?>"
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pluginspage="http://www.microsoft.com/Windows/MediaPlayer/"
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src="<?= $src ?>"
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name="<?= $name ?>"
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width="<?= $width ?>"
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height="<?= $height ?>"
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autostart="1"
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showcontrols="0">
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</embed>
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</object>
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<?php
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$object_tag = true;
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}
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break;
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}
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case "mov" :
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{
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?>
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<object id="<?= $name ?>" width="<?= $width ?>" height="<?= $height ?>"
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classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"
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codebase="http://www.apple.com/qtactivex/qtplugin.cab"
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type="<?= $mime_type ?>">
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<param name="src" value="<?= $src ?>">
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<param name="autoplay" VALUE="true">
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<param name="controller" VALUE="false">
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<embed type="<?= $mime_type ?>"
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src="<?= $src ?>"
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pluginspage="http://www.apple.com/quicktime/download/"
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name="<?= $name ?>"
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width="<?= $width ?>"
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height="<?= $height ?>"
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autoplay="true"
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controller="true"
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</embed>
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</object>
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<?php
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$object_tag = true;
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break;
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}
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case "swf" :
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{
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?>
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<object id="<?= $name ?>" width="<?= $width ?>" height="<?= $height ?>"
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classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
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codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"
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type="<?= $mime_type ?>">
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<param name="movie" value="<?= $src ?>">
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<param name=quality value="high">
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<param name=bgcolor value="#ffffff">
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<embed type="<?= $mime_type ?>"
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pluginspage="http://www.macromedia.com/go/getflashplayer"
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src="<?= $src ?>"
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width="<?= $width ?>"
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height="<?= $height ?>"
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name="<?= $name ?>"
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quality="high"
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bgcolor="#ffffff"
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</embed>
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</object>
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<?php
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$object_tag = true;
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break;
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}
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}
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}
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if ( !$object_tag )
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{
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?>
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<embed<?= isset($mime_type)?(' type="'.$mime_type.'"'):"" ?>
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src="<?= $src ?>"
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width="<?= $width ?>"
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height="<?= $height ?>"
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name="<?= $name ?>"
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autostart="1"
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autoplay="1"
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showcontrols="0"
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controller="0">
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</embed>
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<?php
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}
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}
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function outputImageStream( $src, $width, $height, $name="" )
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{
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?>
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<img src="<?= $src ?>" alt="<?= $name ?>" border="0" width="<?= $width ?>" height="<?= $height ?>">
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<?php
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}
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function outputControlStream( $src, $width, $height, $monitor, $scale, $target )
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{
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global $PHP_SELF;
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?>
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<form name="ctrl_form" method="post" action="<?= $PHP_SELF ?>" target="<?= $target ?>">
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<input type="hidden" name="view" value="blank">
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<input type="hidden" name="mid" value="<?= $monitor['Id'] ?>">
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<input type="hidden" name="action" value="control">
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<?php
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if ( $monitor['CanMoveMap'] )
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{
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?>
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<input type="hidden" name="control" value="move_map">
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<?php
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}
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elseif ( $monitor['CanMoveRel'] )
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{
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?>
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<input type="hidden" name="control" value="move_pseudo_map">
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<?php
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}
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elseif ( $monitor['CanMoveCon'] )
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{
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?>
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<input type="hidden" name="control" value="move_con_map">
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<?php
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}
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?>
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<input type="hidden" name="scale" value="<?= $scale ?>">
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<input type="image" src="<?= $src ?>" border="0" width="<?= $width ?>" height="<?= $height ?>">
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</form>
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<?php
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}
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function outputHelperStream( $src, $width, $height, $name="" )
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{
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?>
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<applet code="com.charliemouse.cambozola.Viewer"
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archive="<?= ZM_PATH_CAMBOZOLA ?>"
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align="middle"
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width="<?= $width ?>"
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height="<?= $height ?>">
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<param name="url" value="<?= $src ?>">
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</applet>
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<?php
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}
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function outputImageStill( $src, $width, $height, $name="" )
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{
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?>
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<img name="zmImage" src="<?= $src ?>" alt="<?= $name ?>" border="0" width="<?= $width ?>" height="<?= $height ?>">
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<?php
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}
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function outputControlStill( $src, $width, $height, $monitor, $scale, $target )
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{
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global $PHP_SELF;
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?>
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<form name="ctrl_form" method="post" action="<?= $PHP_SELF ?>" target="<?= $target ?>">
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<input type="hidden" name="view" value="blank">
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<input type="hidden" name="mid" value="<?= $monitor['Id'] ?>">
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<input type="hidden" name="action" value="control">
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<?php
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if ( $monitor['CanMoveMap'] )
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{
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?>
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<input type="hidden" name="control" value="move_map">
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<?php
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}
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elseif ( $monitor['CanMoveRel'] )
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{
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?>
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<input type="hidden" name="control" value="move_pseudo_map">
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<?php
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}
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elseif ( $monitor['CanMoveCon'] )
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{
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?>
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<input type="hidden" name="control" value="move_con_map">
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<?php
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}
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?>
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<input type="hidden" name="scale" value="<?= $scale ?>">
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<input type="image" src="<?= $src ?>" border="0" width="<?= $width ?>" height="<?= $height ?>">
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</form>
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<?php
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}
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function getZmuCommand( $args )
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{
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if ( version_compare( phpversion(), "4.1.0", "<") )
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{
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global $_SESSION;
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}
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$zmu_command = ZMU_PATH;
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if ( ZM_OPT_USE_AUTH )
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{
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if ( ZM_AUTH_RELAY == "hashed" )
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{
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$zmu_command .= " -A ".authHash( false );
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}
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elseif ( ZM_AUTH_RELAY == "plain" )
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{
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$zmu_command .= " -U ".$_SESSION['username']." -P ".$_SESSION['password'];
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}
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elseif ( ZM_AUTH_RELAY == "none" )
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{
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$zmu_command .= " -U ".$_SESSION['username'];
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}
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}
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$zmu_command .= $args;
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return( $zmu_command );
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}
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function visibleMonitor( $mid )
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{
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global $user;
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return( empty($user['MonitorIds']) || in_array( $mid, split( ',', $user['MonitorIds'] ) ) );
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}
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function canView( $area, $mid=false )
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{
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global $user;
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return( ($user[$area] == 'View' || $user[$area] == 'Edit') && ( !$mid || visibleMonitor( $mid ) ) );
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}
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function canEdit( $area, $mid=false )
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{
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global $user;
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return( $user[$area] == 'Edit' && ( !$mid || visibleMonitor( $mid ) ) );
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}
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|
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function deleteEvent( $eid )
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{
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global $user;
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if ( $user['Events'] == 'Edit' && $eid )
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{
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$result = mysql_query( "delete from Events where Id = '$eid'" );
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if ( !$result )
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die( mysql_error() );
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if ( !ZM_OPT_FAST_DELETE )
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{
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$result = mysql_query( "delete from Stats where EventId = '$eid'" );
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if ( !$result )
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die( mysql_error() );
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$result = mysql_query( "delete from Frames where EventId = '$eid'" );
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if ( !$result )
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die( mysql_error() );
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system( escapeshellcmd( "rm -rf ".ZM_DIR_EVENTS."/*/".sprintf( "%d", $eid ) ) );
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}
|
|
}
|
|
}
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|
|
|
function makeLink( $url, $label, $condition=1, $options="" )
|
|
{
|
|
$string = "";
|
|
if ( $condition )
|
|
{
|
|
$string .= '<a href="'.$url.'"'.($options?(' '.$options):'').'>';
|
|
}
|
|
$string .= $label;
|
|
if ( $condition )
|
|
{
|
|
$string .= '</a>';
|
|
}
|
|
return( $string );
|
|
}
|
|
|
|
function truncText( $text, $length, $deslash=1 )
|
|
{
|
|
return( preg_replace( "/^(.{".$length.",}?)\b.*$/", "\\1…", ($deslash?stripslashes($text):$text) ) );
|
|
}
|
|
|
|
function buildSelect( $name, $contents, $behaviours=false )
|
|
{
|
|
if ( preg_match( "/^(\w+)\s*\[\s*['\"]?(\w+)[\"']?\s*]$/", $name, $matches ) )
|
|
{
|
|
$arr = $matches[1];
|
|
$idx = $matches[2];
|
|
global $$arr;
|
|
$value = ${$arr}[$idx];
|
|
}
|
|
else
|
|
{
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|
global $$name;
|
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$value = $$name;
|
|
}
|
|
ob_start();
|
|
$behaviour_text = "";
|
|
if ( !empty($behaviours) )
|
|
{
|
|
if ( is_array($behaviours) )
|
|
{
|
|
foreach ( $behaviours as $event=>$action )
|
|
{
|
|
$behaviour_text .= ' '.$event.'="'.$action.'"';
|
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}
|
|
}
|
|
else
|
|
{
|
|
$behaviour_text = ' onChange="'.$behaviours.'"';
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|
}
|
|
}
|
|
?>
|
|
<select name="<?= $name ?>" class="form"<?= $behaviour_text ?>>
|
|
<?php
|
|
foreach ( $contents as $content_value => $content_text )
|
|
{
|
|
?>
|
|
<option value="<?= $content_value ?>"<?php if ( $value == $content_value ) { echo " selected"; } ?>><?= htmlentities($content_text) ?></option>
|
|
<?php
|
|
}
|
|
?>
|
|
</select>
|
|
<?php
|
|
$html = ob_get_contents();
|
|
ob_end_clean();
|
|
|
|
return( $html );
|
|
}
|
|
|
|
function getFormChanges( $values, $new_values, $types=false, $columns=false )
|
|
{
|
|
$changes = array();
|
|
if ( !$types )
|
|
$types = array();
|
|
|
|
foreach( $new_values as $key=>$value )
|
|
{
|
|
if ( $columns && !$columns[$key] )
|
|
continue;
|
|
|
|
switch( $types[$key] )
|
|
{
|
|
case 'set' :
|
|
{
|
|
if ( is_array( $new_values[$key] ) )
|
|
{
|
|
if ( join(',',$new_values[$key]) != $values[$key] )
|
|
{
|
|
$changes[$key] = "$key = '".join(',',$new_values[$key])."'";
|
|
}
|
|
}
|
|
elseif ( $values[$key] )
|
|
{
|
|
$changes[$key] = "$key = ''";
|
|
}
|
|
break;
|
|
}
|
|
case 'image' :
|
|
{
|
|
if ( is_array( $new_values[$key] ) )
|
|
{
|
|
$image_data = getimagesize( $new_values[$key]['tmp_name'] );
|
|
$changes[$key.'Width'] = $key."Width = ".$image_data[0];
|
|
$changes[$key.'Height'] = $key."Height = ".$image_data[1];
|
|
$changes[$key.'Type'] = $key."Type = '".$new_values[$key]['type']."'";
|
|
$changes[$key.'Size'] = $key."Size = ".$new_values[$key]['size'];
|
|
ob_start();
|
|
readfile( $new_values[$key]['tmp_name'] );
|
|
$changes[$key] = $key." = '".addslashes( ob_get_contents() )."'";
|
|
ob_end_clean();
|
|
}
|
|
else
|
|
{
|
|
$changes[$key] = "$key = '$value'";
|
|
}
|
|
break;
|
|
}
|
|
case 'document' :
|
|
{
|
|
if ( is_array( $new_values[$key] ) )
|
|
{
|
|
$image_data = getimagesize( $new_values[$key]['tmp_name'] );
|
|
$changes[$key.'Type'] = $key."Type = '".$new_values[$key]['type']."'";
|
|
$changes[$key.'Size'] = $key."Size = ".$new_values[$key]['size'];
|
|
ob_start();
|
|
readfile( $new_values[$key]['tmp_name'] );
|
|
$changes[$key] = $key." = '".addslashes( ob_get_contents() )."'";
|
|
ob_end_clean();
|
|
}
|
|
else
|
|
{
|
|
$changes[$key] = "$key = '$value'";
|
|
}
|
|
break;
|
|
}
|
|
case 'file' :
|
|
{
|
|
$changes[$key.'Type'] = $key."Type = '".$new_values[$key]['type']."'";
|
|
$changes[$key.'Size'] = $key."Size = ".$new_values[$key]['size'];
|
|
ob_start();
|
|
readfile( $new_values[$key]['tmp_name'] );
|
|
$changes[$key] = $key." = '".addslashes( ob_get_contents() )."'";
|
|
ob_end_clean();
|
|
break;
|
|
}
|
|
case 'raw' :
|
|
{
|
|
if ( $values[$key] != $value )
|
|
{
|
|
$changes[$key] = "$key = $value";
|
|
}
|
|
break;
|
|
}
|
|
default :
|
|
{
|
|
if ( $values[$key] != $value )
|
|
{
|
|
$changes[$key] = "$key = '$value'";
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
foreach( $values as $key=>$value )
|
|
{
|
|
if ( $columns[$key] && $types[$key] == 'toggle' )
|
|
{
|
|
if ( !isset($new_values[$key]) && !empty($value) )
|
|
{
|
|
$changes[$key] = "$key = 0";
|
|
}
|
|
}
|
|
}
|
|
return( $changes );
|
|
}
|
|
|
|
function getBrowser( &$browser, &$version )
|
|
{
|
|
if ( version_compare( phpversion(), "4.1.0", "<") )
|
|
{
|
|
global $_SERVER;
|
|
}
|
|
|
|
if (ereg( 'MSIE ([0-9].[0-9]{1,2})',$_SERVER['HTTP_USER_AGENT'],$log_version))
|
|
{
|
|
$version = $log_version[1];
|
|
$browser = 'ie';
|
|
}
|
|
elseif (ereg( 'Safari/([0-9.]+)',$_SERVER['HTTP_USER_AGENT'],$log_version))
|
|
{
|
|
$version = $log_version[1];
|
|
$browser = 'safari';
|
|
}
|
|
elseif (ereg( 'Opera ([0-9].[0-9]{1,2})',$_SERVER['HTTP_USER_AGENT'],$log_version))
|
|
{
|
|
$version = $log_version[1];
|
|
$browser = 'opera';
|
|
}
|
|
elseif (ereg( 'Mozilla/([0-9].[0-9]{1,2})',$_SERVER['HTTP_USER_AGENT'],$log_version))
|
|
{
|
|
$version = $log_version[1];
|
|
$browser = 'mozilla';
|
|
}
|
|
else
|
|
{
|
|
$version = 0;
|
|
$browser = 'unknown';
|
|
}
|
|
}
|
|
|
|
function isNetscape()
|
|
{
|
|
getBrowser( $browser, $version );
|
|
|
|
return( $browser == "mozilla" );
|
|
}
|
|
|
|
function isInternetExplorer()
|
|
{
|
|
getBrowser( $browser, $version );
|
|
|
|
return( $browser == "ie" );
|
|
}
|
|
|
|
function isWindows()
|
|
{
|
|
if ( version_compare( phpversion(), "4.1.0", "<") )
|
|
{
|
|
global $_SERVER;
|
|
}
|
|
|
|
return ( preg_match( '/Win/', $_SERVER['HTTP_USER_AGENT'] ) );
|
|
}
|
|
|
|
function canStreamNative()
|
|
{
|
|
return( ZM_CAN_STREAM == "yes" || ( ZM_CAN_STREAM == "auto" && isNetscape() ) );
|
|
}
|
|
|
|
function canStreamApplet()
|
|
{
|
|
return( (ZM_OPT_CAMBOZOLA && file_exists( ZM_PATH_WEB.'/'.ZM_PATH_CAMBOZOLA )) );
|
|
}
|
|
|
|
function canStream()
|
|
{
|
|
return( canStreamNative() | canStreamApplet() );
|
|
}
|
|
|
|
function fixDevices()
|
|
{
|
|
$string = ZM_PATH_BIN."/zmfix";
|
|
$string .= " 2>/dev/null >&- <&- >/dev/null";
|
|
exec( $string );
|
|
}
|
|
|
|
function packageControl( $command )
|
|
{
|
|
$string = ZM_PATH_BIN."/zmpkg.pl $command";
|
|
$string .= " 2>/dev/null >&- <&- >/dev/null";
|
|
exec( $string );
|
|
}
|
|
|
|
function daemonControl( $command, $daemon=false, $args=false )
|
|
{
|
|
$string = ZM_PATH_BIN."/zmdc.pl $command";
|
|
if ( $daemon )
|
|
{
|
|
$string .= " $daemon";
|
|
if ( $args )
|
|
{
|
|
$string .= " $args";
|
|
}
|
|
}
|
|
$string .= " 2>/dev/null >&- <&- >/dev/null";
|
|
exec( $string );
|
|
}
|
|
|
|
function zmcControl( $monitor, $mode=false )
|
|
{
|
|
if ( $monitor['Type'] == "Local" )
|
|
{
|
|
$sql = "select count(if(Function!='None',1,NULL)) as ActiveCount from Monitors where Device = '".$monitor['Device']."'";
|
|
$zmc_args = "-d ".$monitor['Device'];
|
|
}
|
|
else
|
|
{
|
|
$sql = "select count(if(Function!='None',1,NULL)) as ActiveCount from Monitors where Id = '".$monitor['Id']."'";
|
|
$zmc_args = "-m ".$monitor['Id'];
|
|
}
|
|
$result = mysql_query( $sql );
|
|
if ( !$result )
|
|
echo mysql_error();
|
|
$row = mysql_fetch_assoc( $result );
|
|
$active_count = $row['ActiveCount'];
|
|
|
|
if ( !$active_count )
|
|
{
|
|
daemonControl( "stop", "zmc", $zmc_args );
|
|
}
|
|
else
|
|
{
|
|
if ( $mode == "restart" )
|
|
{
|
|
daemonControl( "stop", "zmc", $zmc_args );
|
|
}
|
|
daemonControl( "start", "zmc", $zmc_args );
|
|
}
|
|
}
|
|
|
|
function zmaControl( $monitor, $mode=false )
|
|
{
|
|
if ( !is_array( $monitor ) )
|
|
{
|
|
$sql = "select Id,Function,Enabled from Monitors where Id = '$monitor'";
|
|
$result = mysql_query( $sql );
|
|
if ( !$result )
|
|
echo mysql_error();
|
|
$monitor = mysql_fetch_assoc( $result );
|
|
}
|
|
switch ( $monitor['Function'] )
|
|
{
|
|
case 'Modect' :
|
|
case 'Record' :
|
|
case 'Mocord' :
|
|
case 'Nodect' :
|
|
{
|
|
if ( $mode == restart )
|
|
{
|
|
if ( ZM_OPT_CONTROL )
|
|
{
|
|
daemonControl( "stop", "zmtrack.pl", "-m ".$monitor['Id'] );
|
|
}
|
|
daemonControl( "stop", "zma", "-m ".$monitor['Id'] );
|
|
if ( ZM_OPT_FRAME_SERVER )
|
|
{
|
|
daemonControl( "stop", "zmf", "-m ".$monitor['Id'] );
|
|
}
|
|
}
|
|
if ( ZM_OPT_FRAME_SERVER )
|
|
{
|
|
daemonControl( "start", "zmf", "-m ".$monitor['Id'] );
|
|
}
|
|
daemonControl( "start", "zma", "-m ".$monitor['Id'] );
|
|
if ( ZM_OPT_CONTROL && $monitor['Controllable'] && $monitor['TrackMotion'] && ( $monitor['Function'] == 'Modect' || $monitor['Function'] == 'Mocord' ) )
|
|
{
|
|
daemonControl( "start", "zmtrack.pl", "-m ".$monitor['Id'] );
|
|
}
|
|
if ( $mode == "reload" )
|
|
{
|
|
daemonControl( "reload", "zma", "-m ".$monitor['Id'] );
|
|
}
|
|
break;
|
|
}
|
|
default :
|
|
{
|
|
if ( ZM_OPT_CONTROL )
|
|
{
|
|
daemonControl( "stop", "zmtrack.pl", "-m ".$monitor['Id'] );
|
|
}
|
|
daemonControl( "stop", "zma", "-m ".$monitor['Id'] );
|
|
if ( ZM_OPT_FRAME_SERVER )
|
|
{
|
|
daemonControl( "stop", "zmf", "-m ".$monitor['Id'] );
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
function initDaemonStatus()
|
|
{
|
|
global $daemon_status;
|
|
|
|
if ( !isset($daemon_status) )
|
|
{
|
|
if ( daemonCheck() )
|
|
{
|
|
$string = ZM_PATH_BIN."/zmdc.pl status";
|
|
$daemon_status = shell_exec( $string );
|
|
}
|
|
else
|
|
{
|
|
$daemon_status = "";
|
|
}
|
|
}
|
|
}
|
|
|
|
function daemonStatus( $daemon, $args=false )
|
|
{
|
|
global $daemon_status;
|
|
|
|
initDaemonStatus();
|
|
|
|
$string = "$daemon";
|
|
if ( $args )
|
|
$string .= " $args";
|
|
return( strpos( $daemon_status, "'$string' running" ) !== false );
|
|
}
|
|
|
|
function zmcStatus( $monitor )
|
|
{
|
|
if ( $monitor['Type'] == 'Local' )
|
|
{
|
|
$zmc_args = "-d ".$monitor['Device'];
|
|
}
|
|
else
|
|
{
|
|
$zmc_args = "-m ".$monitor['Id'];
|
|
}
|
|
return( daemonStatus( "zmc", $zmc_args ) );
|
|
}
|
|
|
|
function zmaStatus( $monitor )
|
|
{
|
|
if ( is_array( $monitor ) )
|
|
{
|
|
$monitor = $monitor['Id'];
|
|
}
|
|
return( daemonStatus( "zma", "-m $monitor" ) );
|
|
}
|
|
|
|
function daemonCheck( $daemon=false, $args=false )
|
|
{
|
|
$string = ZM_PATH_BIN."/zmdc.pl check";
|
|
if ( $daemon )
|
|
{
|
|
$string .= " $daemon";
|
|
if ( $args )
|
|
$string .= " $args";
|
|
}
|
|
$result = exec( $string );
|
|
return( preg_match( '/running/', $result ) );
|
|
}
|
|
|
|
function zmcCheck( $monitor )
|
|
{
|
|
if ( $monitor['Type'] == 'Local' )
|
|
{
|
|
$zmc_args = "-d ".$monitor['Device'];
|
|
}
|
|
else
|
|
{
|
|
$zmc_args = "-m ".$monitor['Id'];
|
|
}
|
|
return( daemonCheck( "zmc", $zmc_args ) );
|
|
}
|
|
|
|
function zmaCheck( $monitor )
|
|
{
|
|
if ( is_array( $monitor ) )
|
|
{
|
|
$monitor = $monitor['Id'];
|
|
}
|
|
return( daemonCheck( "zma", "-m $monitor" ) );
|
|
}
|
|
|
|
function getImageSrc( $event, $frame, $scale, $capture_only=false, $overwrite=false )
|
|
{
|
|
$event_path = ZM_DIR_EVENTS.'/'.$event['MonitorId'].'/'.$event['Id'];
|
|
|
|
//echo "S:$scale, CO:$capture_only<br>";
|
|
$capt_image = sprintf( "%0".ZM_EVENT_IMAGE_DIGITS."d-capture.jpg", $frame['FrameId'] );
|
|
$capt_path = $event_path.'/'.$capt_image;
|
|
$thumb_capt_path = ZM_DIR_IMAGES.'/'.$event['Id'].'-'.$capt_image;
|
|
//echo "CI:$capt_image, CP:$capt_path, TCP:$thumb_capt_path<br>";
|
|
|
|
$anal_image = sprintf( "%0".ZM_EVENT_IMAGE_DIGITS."d-analyse.jpg", $frame['FrameId'] );
|
|
$anal_path = $event_path.'/'.$anal_image;
|
|
$thumb_anal_path = ZM_DIR_IMAGES.'/'.$event['Id'].'-'.$anal_image;
|
|
//echo "AI:$anal_image, AP:$anal_path, TAP:$thumb_anal_path<br>";
|
|
|
|
$alarm_frame = $frame['Type']=='Alarm';
|
|
|
|
$has_anal_image = $alarm_frame && file_exists( $anal_path ) && filesize( $anal_path );
|
|
$is_anal_image = $has_anal_image && !$capture_only;
|
|
|
|
if ( $scale >= 100 || !file_exists( ZM_PATH_NETPBM."/jpegtopnm" ) )
|
|
{
|
|
$image_path = $thumb_path = $is_anal_image?$anal_path:$capt_path;
|
|
}
|
|
else
|
|
{
|
|
if ( version_compare( phpversion(), "4.3.10", ">=") )
|
|
$fraction = sprintf( "%.3F", $scale/100 );
|
|
else
|
|
$fraction = sprintf( "%.3f", $scale/100 );
|
|
$scale = (int)round( $scale );
|
|
|
|
$thumb_capt_path = preg_replace( "/\.jpg$/", "-$scale.jpg", $thumb_capt_path );
|
|
$thumb_anal_path = preg_replace( "/\.jpg$/", "-$scale.jpg", $thumb_anal_path );
|
|
|
|
if ( $is_anal_image )
|
|
{
|
|
$image_path = $anal_path;
|
|
$thumb_path = $thumb_anal_path;
|
|
}
|
|
else
|
|
{
|
|
$image_path = $capt_path;
|
|
$thumb_path = $thumb_capt_path;
|
|
}
|
|
|
|
if ( !file_exists( $thumb_path ) || !filesize( $thumb_path ) )
|
|
{
|
|
if ( ZM_WEB_SCALE_THUMBS )
|
|
{
|
|
$command = ZM_PATH_NETPBM."/jpegtopnm -quiet -dct fast $image_path | ".ZM_PATH_NETPBM."/pnmscalefixed -quiet $fraction | ".ZM_PATH_NETPBM."/pnmtojpeg -quiet -dct=fast > $thumb_path";
|
|
exec( $command );
|
|
}
|
|
else
|
|
{
|
|
$image_path = $thumb_path = $is_anal_image?$anal_path:$capt_path;
|
|
}
|
|
}
|
|
}
|
|
|
|
$image_data = array(
|
|
'eventPath' => $event_path,
|
|
'imagePath' => $image_path,
|
|
'thumbPath' => $thumb_path,
|
|
'imageClass' => $alarm_frame?"alarm":"normal",
|
|
'isAnalImage' => $is_anal_image,
|
|
'hasAnalImage' => $has_anal_image,
|
|
);
|
|
|
|
//echo "IP:$image_path<br>";
|
|
//echo "TP:$thumb_path<br>";
|
|
return( $image_data );
|
|
}
|
|
|
|
function createListThumbnail( $event, $overwrite=false )
|
|
{
|
|
$sql = "select * from Frames where EventId = '".$event['Id']."' and Score = '".$event['MaxScore']."' order by FrameId limit 0,1";
|
|
if ( !($result = mysql_query( $sql )) )
|
|
die( mysql_error() );
|
|
$frame = mysql_fetch_assoc( $result );
|
|
mysql_free_result( $result );
|
|
$frame_id = $frame['FrameId'];
|
|
|
|
if ( ZM_WEB_LIST_THUMB_WIDTH )
|
|
{
|
|
$thumb_width = ZM_WEB_LIST_THUMB_WIDTH;
|
|
$scale = (SCALE_BASE*ZM_WEB_LIST_THUMB_WIDTH)/$event['Width'];
|
|
$thumb_height = reScale( $event['Height'], $scale );
|
|
}
|
|
elseif ( ZM_WEB_LIST_THUMB_HEIGHT )
|
|
{
|
|
$thumb_height = ZM_WEB_LIST_THUMB_HEIGHT;
|
|
$scale = (SCALE_BASE*ZM_WEB_LIST_THUMB_HEIGHT)/$event['Height'];
|
|
$thumb_width = reScale( $event['Width'], $scale );
|
|
}
|
|
else
|
|
{
|
|
die( "No thumbnail width or height specified, please check in Options->Web" );
|
|
}
|
|
|
|
$image_data = getImageSrc( $event, $frame, $scale );
|
|
$thumb_data = $frame;
|
|
$thumb_data['Path'] = $image_data['thumbPath'];
|
|
$thumb_data['Width'] = (int)$thumb_width;
|
|
$thumb_data['Height'] = (int)$thumb_height;
|
|
|
|
return( $thumb_data );
|
|
}
|
|
|
|
function createVideo( $event, $format, $rate, $scale, $overwrite=false )
|
|
{
|
|
if ( version_compare( phpversion(), "4.3.10", ">=") )
|
|
$command = ZM_PATH_BIN."/zmvideo.pl -e ".$event['Id']." -f ".$format." -r ".sprintf( "%.2F", ($rate/RATE_BASE) )." -s ".sprintf( "%.2F", ($scale/SCALE_BASE) );
|
|
else
|
|
$command = ZM_PATH_BIN."/zmvideo.pl -e ".$event['Id']." -f ".$format." -r ".sprintf( "%.2f", ($rate/RATE_BASE) )." -s ".sprintf( "%.2f", ($scale/SCALE_BASE) );
|
|
if ( $overwrite )
|
|
$command .= " -o";
|
|
$result = exec( $command, $output, $status );
|
|
return( $status?"":rtrim($result) );
|
|
}
|
|
|
|
// Now deprecated
|
|
function createImage( $monitor, $scale )
|
|
{
|
|
if ( is_array( $monitor ) )
|
|
{
|
|
$monitor = $monitor['Id'];
|
|
}
|
|
chdir( ZM_DIR_IMAGES );
|
|
$command = getZmuCommand( " -m $monitor -i" );
|
|
if ( !empty($scale) && $scale < 100 )
|
|
$command .= " -S $scale";
|
|
$status = exec( escapeshellcmd( $command ) );
|
|
chdir( '..' );
|
|
return( $status );
|
|
}
|
|
|
|
function executeFilter( $filter )
|
|
{
|
|
$command = ZM_PATH_BIN."/zmfilter.pl --filter ".$filter;
|
|
$result = exec( $command, $output, $status );
|
|
$result = mysql_query( "delete from Filters where Name like '_TempFilter%'" );
|
|
if ( !$result )
|
|
die( mysql_error() );
|
|
return( $status );
|
|
}
|
|
|
|
function reScale( $dimension, $dummy )
|
|
{
|
|
for ( $i = 1; $i < func_num_args(); $i++ )
|
|
{
|
|
$scale = func_get_arg( $i );
|
|
if ( !empty($scale) && $scale != SCALE_BASE )
|
|
$dimension = (int)(($dimension*$scale)/SCALE_BASE);
|
|
}
|
|
return( $dimension );
|
|
}
|
|
|
|
function deScale( $dimension, $dummy )
|
|
{
|
|
for ( $i = 1; $i < func_num_args(); $i++ )
|
|
{
|
|
$scale = func_get_arg( $i );
|
|
if ( !empty($scale) && $scale != SCALE_BASE )
|
|
$dimension = (int)(($dimension*SCALE_BASE)/$scale);
|
|
}
|
|
return( $dimension );
|
|
}
|
|
|
|
function parseSort( $save_to_session=false, $term_sep='&' )
|
|
{
|
|
global $sort_field, $sort_asc; // Inputs
|
|
global $sort_query, $sort_column, $sort_order; // Outputs
|
|
global $limit;
|
|
|
|
if ( version_compare( phpversion(), "4.1.0", "<") )
|
|
{
|
|
global $_SESSION;
|
|
}
|
|
|
|
if ( !isset($sort_field) )
|
|
{
|
|
$sort_field = ZM_WEB_EVENT_SORT_FIELD;
|
|
$sort_asc = (ZM_WEB_EVENT_SORT_ORDER == "asc");
|
|
}
|
|
switch( $sort_field )
|
|
{
|
|
case 'Id' :
|
|
$sort_column = "E.Id";
|
|
break;
|
|
case 'MonitorName' :
|
|
$sort_column = "M.Name";
|
|
break;
|
|
case 'Name' :
|
|
$sort_column = "E.Name";
|
|
break;
|
|
case 'Cause' :
|
|
$sort_column = "E.Cause";
|
|
break;
|
|
case 'DateTime' :
|
|
case 'StartTime' :
|
|
$sort_column = "E.StartTime";
|
|
break;
|
|
case 'Length' :
|
|
$sort_column = "E.Length";
|
|
break;
|
|
case 'Frames' :
|
|
$sort_column = "E.Frames";
|
|
break;
|
|
case 'AlarmFrames' :
|
|
$sort_column = "E.AlarmFrames";
|
|
break;
|
|
case 'TotScore' :
|
|
$sort_column = "E.TotScore";
|
|
break;
|
|
case 'AvgScore' :
|
|
$sort_column = "E.AvgScore";
|
|
break;
|
|
case 'MaxScore' :
|
|
$sort_column = "E.MaxScore";
|
|
break;
|
|
default:
|
|
$sort_column = "E.StartTime";
|
|
break;
|
|
}
|
|
$sort_order = $sort_asc?"asc":"desc";
|
|
if ( !$sort_asc ) $sort_asc = 0;
|
|
$sort_query = $term_sep."sort_field=".$sort_field.$term_sep."sort_asc=".$sort_asc;
|
|
if ( !isset($limit) ) $limit = "";
|
|
if ( $save_to_session )
|
|
{
|
|
$_SESSION['sort_field'] = $sort_field;
|
|
$_SESSION['sort_asc'] = $sort_asc;
|
|
}
|
|
}
|
|
|
|
function parseFilter( $save_to_session=false, $term_sep='&' )
|
|
{
|
|
global $trms; // Inputs
|
|
global $filter_query, $filter_sql, $filter_fields; // Outputs
|
|
if ( version_compare( phpversion(), "4.1.0", "<") )
|
|
{
|
|
global $_SESSION;
|
|
}
|
|
|
|
$filter_query = '';
|
|
$filter_sql = '';
|
|
$filter_fields = '';
|
|
|
|
if ( $trms )
|
|
{
|
|
if ( $save_to_session )
|
|
{
|
|
$_SESSION['trms'] = $trms;
|
|
}
|
|
$filter_query .= $term_sep."trms=".$trms;
|
|
$filter_fields .= '<input type="hidden" name="trms" value="'.$trms.'"/>'."\n";
|
|
|
|
for ( $i = 1; $i <= $trms; $i++ )
|
|
{
|
|
$conjunction_name = "cnj$i";
|
|
$obracket_name = "obr$i";
|
|
$cbracket_name = "cbr$i";
|
|
$attr_name = "attr$i";
|
|
$op_name = "op$i";
|
|
$value_name = "val$i";
|
|
|
|
global $$conjunction_name, $$obracket_name, $$cbracket_name, $$attr_name, $$op_name, $$value_name;
|
|
|
|
if ( isset($$conjunction_name) )
|
|
{
|
|
$filter_query .= $term_sep.$conjunction_name."=".$$conjunction_name;
|
|
$filter_sql .= " ".$$conjunction_name." ";
|
|
$filter_fields .= '<input type="hidden" name="'.$conjunction_name.'" value="'.$$conjunction_name.'"/>'."\n";
|
|
if ( $save_to_session )
|
|
{
|
|
$_SESSION[$conjunction_name] = $$conjunction_name;
|
|
}
|
|
}
|
|
if ( isset($$obracket_name) )
|
|
{
|
|
$filter_query .= $term_sep.$obracket_name."=".$$obracket_name;
|
|
$filter_sql .= str_repeat( "(", $$obracket_name );
|
|
$filter_fields .= '<input type="hidden" name="'.$obracket_name.'" value="'.$$obracket_name.'"/>'."\n";
|
|
if ( $save_to_session )
|
|
{
|
|
$_SESSION[$obracket_name] = $$obracket_name;
|
|
}
|
|
}
|
|
if ( isset($$attr_name) )
|
|
{
|
|
$filter_query .= $term_sep.$attr_name."=".$$attr_name;
|
|
$filter_fields .= '<input type="hidden" name="'.$attr_name.'" value="'.$$attr_name.'"/>'."\n";
|
|
switch ( $$attr_name )
|
|
{
|
|
case 'MonitorName':
|
|
$filter_sql .= 'M.'.preg_replace( '/^Monitor/', '', $$attr_name );
|
|
break;
|
|
case 'DateTime':
|
|
$filter_sql .= "E.StartTime";
|
|
break;
|
|
case 'Date':
|
|
$filter_sql .= "to_days( E.StartTime )";
|
|
break;
|
|
case 'Time':
|
|
$filter_sql .= "extract( hour_second from E.StartTime )";
|
|
break;
|
|
case 'Weekday':
|
|
$filter_sql .= "weekday( E.StartTime )";
|
|
break;
|
|
case 'Id':
|
|
case 'Name':
|
|
case 'MonitorId':
|
|
case 'Length':
|
|
case 'Frames':
|
|
case 'AlarmFrames':
|
|
case 'TotScore':
|
|
case 'AvgScore':
|
|
case 'MaxScore':
|
|
case 'Cause':
|
|
case 'Notes':
|
|
case 'Archived':
|
|
$filter_sql .= "E.".$$attr_name;
|
|
break;
|
|
case 'DiskPercent':
|
|
$filter_sql .= getDiskPercent();
|
|
break;
|
|
case 'DiskBlocks':
|
|
$filter_sql .= getDiskBlocks();
|
|
break;
|
|
}
|
|
$value_list = array();
|
|
foreach ( preg_split( '/["\'\s]*?,["\'\s]*?/', preg_replace( '/^["\']+?(.+)["\']+?$/', '$1', $$value_name ) ) as $value )
|
|
{
|
|
switch ( $$attr_name )
|
|
{
|
|
case 'MonitorName':
|
|
case 'Name':
|
|
case 'Cause':
|
|
case 'Notes':
|
|
$value = "'$value'";
|
|
break;
|
|
case 'DateTime':
|
|
$value = "'".strftime( STRF_FMT_DATETIME_DB, strtotime( $value ) )."'";
|
|
break;
|
|
case 'Date':
|
|
$value = "to_days( '".strftime( STRF_FMT_DATETIME_DB, strtotime( $value ) )."' )";
|
|
break;
|
|
case 'Time':
|
|
$value = "extract( hour_second from '".strftime( STRF_FMT_DATETIME_DB, strtotime( $value ) )."' )";
|
|
break;
|
|
}
|
|
$value_list[] = $value;
|
|
}
|
|
|
|
switch ( $$op_name )
|
|
{
|
|
case '=' :
|
|
case '!=' :
|
|
case '>=' :
|
|
case '>' :
|
|
case '<' :
|
|
case '<=' :
|
|
$filter_sql .= " ".$$op_name." $value";
|
|
break;
|
|
case '=~' :
|
|
$filter_sql .= " regexp $value";
|
|
break;
|
|
case '!~' :
|
|
$filter_sql .= " not regexp $value";
|
|
break;
|
|
case '=[]' :
|
|
$filter_sql .= " in (".join( ",", $value_list ).")";
|
|
break;
|
|
case '![]' :
|
|
$filter_sql .= " not in (".join( ",", $value_list ).")";
|
|
break;
|
|
}
|
|
|
|
$filter_query .= $term_sep.$op_name."=".urlencode($$op_name);
|
|
$filter_fields .= '<input type="hidden" name="'.$op_name.'" value="'.$$op_name.'"/>'."\n";
|
|
$filter_query .= $term_sep.$value_name."=".urlencode($$value_name);
|
|
$filter_fields .= '<input type="hidden" name="'.$value_name.'" value="'.$$value_name.'"/>'."\n";
|
|
if ( $save_to_session )
|
|
{
|
|
$_SESSION[$attr_name] = $$attr_name;
|
|
$_SESSION[$op_name] = $$op_name;
|
|
$_SESSION[$value_name] = $$value_name;
|
|
}
|
|
}
|
|
if ( isset($$cbracket_name) )
|
|
{
|
|
$filter_query .= $term_sep.$cbracket_name."=".$$cbracket_name;
|
|
$filter_sql .= str_repeat( ")", $$cbracket_name );
|
|
$filter_fields .= '<input type="hidden" name="'.$cbracket_name.'" value="'.$$cbracket_name.'"/>'."\n";
|
|
if ( $save_to_session )
|
|
{
|
|
$_SESSION[$cbracket_name] = $$cbracket_name;
|
|
}
|
|
}
|
|
}
|
|
$filter_sql = " and ( $filter_sql )";
|
|
}
|
|
}
|
|
|
|
function getLoad()
|
|
{
|
|
$uptime = shell_exec( 'uptime' );
|
|
$load = '';
|
|
if ( preg_match( '/load average: ([\d.]+)/', $uptime, $matches ) )
|
|
$load = $matches[1];
|
|
return( $load );
|
|
}
|
|
|
|
function getDiskPercent()
|
|
{
|
|
$df = shell_exec( 'df '.ZM_DIR_EVENTS );
|
|
$space = -1;
|
|
if ( preg_match( '/\s(\d+)%/ms', $df, $matches ) )
|
|
$space = $matches[1];
|
|
return( $space );
|
|
}
|
|
|
|
function getDiskBlocks()
|
|
{
|
|
$df = shell_exec( 'df '.ZM_DIR_EVENTS );
|
|
$space = -1;
|
|
if ( preg_match( '/\s(\d+)\s+\d+\s+\d+%/ms', $df, $matches ) )
|
|
$space = $matches[1];
|
|
return( $space );
|
|
}
|
|
|
|
// Function to fix a problem whereby the built in PHP session handling
|
|
// features want to put the sid as a hidden field after the form or
|
|
// fieldset tag, neither of which will work with strict XHTML Basic.
|
|
function sidField()
|
|
{
|
|
if ( SID )
|
|
{
|
|
list( $sessname, $sessid ) = split( "=", SID );
|
|
?>
|
|
<input type="hidden" name="<?= $sessname ?>" value="<?= $sessid ?>"/>
|
|
<?php
|
|
}
|
|
}
|
|
|
|
function verNum( $version )
|
|
{
|
|
$vNum = "";
|
|
$maxFields = 3;
|
|
$vFields = explode( ".", $version );
|
|
array_splice( $vFields, $maxFields );
|
|
while ( count($vFields) < $maxFields )
|
|
{
|
|
$vFields[] = 0;
|
|
}
|
|
foreach ( $vFields as $vField )
|
|
{
|
|
$vField = sprintf( "%02d", $vField );
|
|
while ( strlen($vField) < 2 )
|
|
{
|
|
$vField = "0".$vField;
|
|
}
|
|
$vNum .= $vField;
|
|
}
|
|
return( $vNum );
|
|
}
|
|
|
|
function fixSequences()
|
|
{
|
|
$sql = "select * from Monitors order by Sequence asc, Id asc";
|
|
$result = mysql_query( $sql );
|
|
if ( !$result )
|
|
echo mysql_error();
|
|
$sequence = 1;
|
|
while ( $monitor = mysql_fetch_assoc( $result ) )
|
|
{
|
|
if ( $monitor['Sequence'] != $sequence )
|
|
{
|
|
$sql2 = "update Monitors set Sequence = '".$sequence."' where Id = '".$monitor['Id']."'";
|
|
$result2 = mysql_query( $sql2 );
|
|
if ( !$result2 )
|
|
echo mysql_error();
|
|
}
|
|
$sequence++;
|
|
}
|
|
mysql_free_result( $result );
|
|
}
|
|
|
|
function firstSet()
|
|
{
|
|
foreach ( func_get_args() as $arg )
|
|
{
|
|
if ( !empty( $arg ) )
|
|
return( $arg );
|
|
}
|
|
}
|
|
|
|
function linesIntersect( $line1, $line2 )
|
|
{
|
|
global $debug;
|
|
|
|
$min_x1 = min( $line1[0]['x'], $line1[1]['x'] );
|
|
$max_x1 = max( $line1[0]['x'], $line1[1]['x'] );
|
|
$min_x2 = min( $line2[0]['x'], $line2[1]['x'] );
|
|
$max_x2 = max( $line2[0]['x'], $line2[1]['x'] );
|
|
$min_y1 = min( $line1[0]['y'], $line1[1]['y'] );
|
|
$max_y1 = max( $line1[0]['y'], $line1[1]['y'] );
|
|
$min_y2 = min( $line2[0]['y'], $line2[1]['y'] );
|
|
$max_y2 = max( $line2[0]['y'], $line2[1]['y'] );
|
|
|
|
// Checking if bounding boxes intersect
|
|
if ( $max_x1 < $min_x2 || $max_x2 < $min_x1 ||$max_y1 < $min_y2 || $max_y2 < $min_y1 )
|
|
{
|
|
if ( $debug ) echo "Not intersecting, out of bounds<br>";
|
|
return( false );
|
|
}
|
|
|
|
$dx1 = $line1[1]['x'] - $line1[0]['x'];
|
|
$dy1 = $line1[1]['y'] - $line1[0]['y'];
|
|
$dx2 = $line2[1]['x'] - $line2[0]['x'];
|
|
$dy2 = $line2[1]['y'] - $line2[0]['y'];
|
|
|
|
if ( $dx1 )
|
|
{
|
|
$m1 = $dy1/$dx1;
|
|
$b1 = $line1[0]['y'] - ($m1 * $line1[0]['x']);
|
|
}
|
|
else
|
|
{
|
|
$b1 = $line1[0]['y'];
|
|
}
|
|
if ( $dx2 )
|
|
{
|
|
$m2 = $dy2/$dx2;
|
|
$b2 = $line2[0]['y'] - ($m2 * $line2[0]['x']);
|
|
}
|
|
else
|
|
{
|
|
$b2 = $line2[0]['y'];
|
|
}
|
|
|
|
if ( $dx1 && $dx2 ) // Both not vertical
|
|
{
|
|
if ( $m1 != $m2 ) // Not parallel or colinear
|
|
{
|
|
$x = ( $b2 - $b1 ) / ( $m1 - $m2 );
|
|
|
|
if ( $x >= $min_x1 && $x <= $max_x1 && $x >= $min_x2 && $x <= $max_x2 )
|
|
{
|
|
if ( $debug ) echo "Intersecting, at x $x<br>";
|
|
return( true );
|
|
}
|
|
else
|
|
{
|
|
if ( $debug ) echo "Not intersecting, out of range at x $x<br>";
|
|
return( false );
|
|
}
|
|
}
|
|
elseif ( $b1 == $b2 )
|
|
{
|
|
// Colinear, must overlap due to box check, intersect?
|
|
if ( $debug ) echo "Intersecting, colinear<br>";
|
|
return( true );
|
|
}
|
|
else
|
|
{
|
|
// Parallel
|
|
if ( $debug ) echo "Not intersecting, parallel<br>";
|
|
return( false );
|
|
}
|
|
}
|
|
elseif ( !$dx1 ) // Line 1 is vertical
|
|
{
|
|
$y = ( $m2 * $line1[0]['x'] ) * $b2;
|
|
if ( $y >= $min_y1 && $y <= $max_y1 )
|
|
{
|
|
if ( $debug ) echo "Intersecting, at y $y<br>";
|
|
return( true );
|
|
}
|
|
else
|
|
{
|
|
if ( $debug ) echo "Not intersecting, out of range at y $y<br>";
|
|
return( false );
|
|
}
|
|
}
|
|
elseif ( !$dx2 ) // Line 2 is vertical
|
|
{
|
|
$y = ( $m1 * $line2[0]['x'] ) * $b1;
|
|
if ( $y >= $min_y2 && $y <= $max_y2 )
|
|
{
|
|
if ( $debug ) echo "Intersecting, at y $y<br>";
|
|
return( true );
|
|
}
|
|
else
|
|
{
|
|
if ( $debug ) echo "Not intersecting, out of range at y $y<br>";
|
|
return( false );
|
|
}
|
|
}
|
|
else // Both lines are vertical
|
|
{
|
|
if ( $line1[0]['x'] == $line2[0]['x'] )
|
|
{
|
|
// Colinear, must overlap due to box check, intersect?
|
|
if ( $debug ) echo "Intersecting, vertical, colinear<br>";
|
|
return( true );
|
|
}
|
|
else
|
|
{
|
|
// Parallel
|
|
if ( $debug ) echo "Not intersecting, vertical, parallel<br>";
|
|
return( false );
|
|
}
|
|
}
|
|
if ( $debug ) echo "Whoops, unexpected scenario<br>";
|
|
return( false );
|
|
}
|
|
|
|
function isSelfIntersecting( $points )
|
|
{
|
|
global $debug;
|
|
|
|
$n_coords = count($points);
|
|
$edges = array();
|
|
for ( $j = 0, $i = $n_coords-1; $j < $n_coords; $i = $j++ )
|
|
{
|
|
$edges[] = array( $points[$i], $points[$j] );
|
|
}
|
|
|
|
for ( $i = 0; $i <= ($n_coords-2); $i++ )
|
|
{
|
|
for ( $j = $i+2; $j < $n_coords+min(0,$i-1); $j++ )
|
|
{
|
|
if ( $debug ) echo "Checking $i and $j<br>";
|
|
if ( linesIntersect( $edges[$i], $edges[$j] ) )
|
|
{
|
|
if ( $debug ) echo "Lines $i and $j intersect<br>";
|
|
return( true );
|
|
}
|
|
}
|
|
}
|
|
return( false );
|
|
}
|
|
|
|
function getPolyCentre( $points, $area=0 )
|
|
{
|
|
$cx = 0.0;
|
|
$cy = 0.0;
|
|
if ( !$area )
|
|
$area = getPolyArea( $points );
|
|
for ( $i = 0, $j = count($points)-1; $i < count($points); $j = $i++ )
|
|
{
|
|
$ct = ($points[$i]['x'] * $points[$j]['y']) - ($points[$j]['x'] * $points[$i]['y']);
|
|
$cx += ($points[$i]['x'] + $points[$j]['x']) * ct;
|
|
$cy += ($points[$i]['y'] + $points[$j]['y']) * ct;
|
|
}
|
|
$cx = intval(round(abs($cx/(6.0*$area))));
|
|
$cy = intval(round(abs($cy/(6.0*$area))));
|
|
printf( "X:%cx, Y:$cy<br>" );
|
|
return( array( 'x'=>$cx, 'y'=>$cy ) );
|
|
}
|
|
|
|
function _CompareXY( $a, $b )
|
|
{
|
|
if ( $a['min_y'] == $b['min_y'] )
|
|
return( intval($a['min_x'] - $b['min_x']) );
|
|
else
|
|
return( intval($a['min_y'] - $b['min_y']) );
|
|
}
|
|
|
|
function _CompareX( $a, $b )
|
|
{
|
|
return( intval($a['min_x'] - $b['min_x']) );
|
|
}
|
|
|
|
function getPolyArea( $points )
|
|
{
|
|
//error_reporting( E_ALL );
|
|
global $debug;
|
|
|
|
$n_coords = count($points);
|
|
$global_edges = array();
|
|
for ( $j = 0, $i = $n_coords-1; $j < $n_coords; $i = $j++ )
|
|
{
|
|
$x1 = $points[$i]['x'];
|
|
$x2 = $points[$j]['x'];
|
|
$y1 = $points[$i]['y'];
|
|
$y2 = $points[$j]['y'];
|
|
|
|
//printf( "x1:%d,y1:%d x2:%d,y2:%d\n", x1, y1, x2, y2 );
|
|
if ( $y1 == $y2 )
|
|
continue;
|
|
|
|
$dx = $x2 - $x1;
|
|
$dy = $y2 - $y1;
|
|
|
|
$global_edges[] = array(
|
|
"min_y" => $y1<$y2?$y1:$y2,
|
|
"max_y" => ($y1<$y2?$y2:$y1)+1,
|
|
"min_x" => $y1<$y2?$x1:$x2,
|
|
"_1_m" => $dx/$dy,
|
|
);
|
|
}
|
|
|
|
usort( $global_edges, "_CompareXY" );
|
|
|
|
if ( $debug )
|
|
{
|
|
for ( $i = 0; $i < count($global_edges); $i++ )
|
|
{
|
|
printf( "%d: min_y: %d, max_y:%d, min_x:%.2f, 1/m:%.2f<br>", $i, $global_edges[$i]['min_y'], $global_edges[$i]['max_y'], $global_edges[$i]['min_x'], $global_edges[$i]['_1_m'] );
|
|
}
|
|
}
|
|
|
|
$area = 0.0;
|
|
$active_edges = array();
|
|
$y = $global_edges[0]['min_y'];
|
|
do
|
|
{
|
|
for ( $i = 0; $i < count($global_edges); $i++ )
|
|
{
|
|
if ( $global_edges[$i]['min_y'] == $y )
|
|
{
|
|
if ( $debug ) printf( "Moving global edge<br>" );
|
|
$active_edges[] = $global_edges[$i];
|
|
array_splice( $global_edges, $i, 1 );
|
|
$i--;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
usort( $active_edges, "_CompareX" );
|
|
if ( $debug )
|
|
{
|
|
for ( $i = 0; $i < count($active_edges); $i++ )
|
|
{
|
|
printf( "%d - %d: min_y: %d, max_y:%d, min_x:%.2f, 1/m:%.2f<br>", $y, $i, $active_edges[$i]['min_y'], $active_edges[$i]['max_y'], $active_edges[$i]['min_x'], $active_edges[$i]['_1_m'] );
|
|
}
|
|
}
|
|
$last_x = 0;
|
|
$row_area = 0;
|
|
$parity = false;
|
|
for ( $i = 0; $i < count($active_edges); $i++ )
|
|
{
|
|
$x = intval(round($active_edges[$i]['min_x']));
|
|
if ( $parity )
|
|
{
|
|
$row_area += ($x - $last_x)+1;
|
|
$area += $row_area;
|
|
}
|
|
if ( $active_edges[$i]['max_y'] != $y )
|
|
$parity = !$parity;
|
|
$last_x = $x;
|
|
}
|
|
if ( $debug ) printf( "%d: Area:%d<br>", $y, $row_area );
|
|
$y++;
|
|
for ( $i = 0; $i < count($active_edges); $i++ )
|
|
{
|
|
if ( $y >= $active_edges[$i]['max_y'] ) // Or >= as per sheets
|
|
{
|
|
if ( $debug ) printf( "Deleting active_edge<br>" );
|
|
array_splice( $active_edges, $i, 1 );
|
|
$i--;
|
|
}
|
|
else
|
|
{
|
|
$active_edges[$i]['min_x'] += $active_edges[$i]['_1_m'];
|
|
}
|
|
}
|
|
} while ( count($global_edges) || count($active_edges) );
|
|
if ( $debug ) printf( "Area:%d<br>", $area );
|
|
return( $area );
|
|
}
|
|
|
|
function getPolyAreaOld( $points )
|
|
{
|
|
$area = 0.0;
|
|
$edge = 0.0;
|
|
for ( $i = 0, $j = count($points)-1; $i < count($points); $j = $i++ )
|
|
{
|
|
$x_diff = ($points[$i]['x'] - $points[$j]['x']);
|
|
$y_diff = ($points[$i]['y'] - $points[$j]['y']);
|
|
$y_sum = ($points[$i]['y'] + $points[$j]['y']);
|
|
$trap_edge = sqrt(pow(abs($x_diff)+1,2) + pow(abs($y_diff)+1,2) );
|
|
$edge += $trap_edge;
|
|
$trap_area = ($x_diff * $y_sum );
|
|
$area += $trap_area;
|
|
printf( "%d->%d, %d-%d=%.2f, %d+%d=%.2f(%.2f), %.2f, %.2f<br>", i, j, $points[$i]['x'], $points[$j]['x'], $x_diff, $points[$i]['y'], $points[$j]['y'], $y_sum, $y_diff, $trap_area, $trap_edge );
|
|
}
|
|
$edge = intval(round(abs($edge)));
|
|
$area = intval(round((abs($area)+$edge)/2));
|
|
echo "E:$edge<br>";
|
|
echo "A:$area<br>";
|
|
return( $area );
|
|
}
|
|
|
|
function mapCoords( $a )
|
|
{
|
|
return( $a['x'].",".$a['y'] );
|
|
}
|
|
|
|
function pointsToCoords( $points )
|
|
{
|
|
return( join( " ", array_map( "mapCoords", $points ) ) );
|
|
}
|
|
|
|
function coordsToPoints( $coords )
|
|
{
|
|
$points = array();
|
|
if ( preg_match_all( '/(\d+,\d+)+/', $coords, $matches ) )
|
|
{
|
|
for ( $i = 0; $i < count($matches[1]); $i++ )
|
|
{
|
|
if ( preg_match( '/(\d+),(\d+)/', $matches[1][$i], $cmatches ) )
|
|
{
|
|
$points[] = array( 'x'=>$cmatches[1], 'y'=>$cmatches[2] );
|
|
}
|
|
else
|
|
{
|
|
echo( "Bogus coordinates '".$matches[$i]."'" );
|
|
return( false );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
echo( "Bogus coordinate string '$coords'" );
|
|
return( false );
|
|
}
|
|
return( $points );
|
|
}
|
|
|
|
function getLanguages()
|
|
{
|
|
$langs = array();
|
|
foreach ( glob("zm_lang_*_*.php") as $file )
|
|
{
|
|
preg_match( '/zm_lang_(.+_.+)\.php/', $file, $matches );
|
|
$langs[$matches[1]] = $matches[1];
|
|
}
|
|
return( $langs );
|
|
}
|
|
|
|
function trimString( $string, $length )
|
|
{
|
|
return( preg_replace( '/^(.{'.$length.',}?)\b.*$/', '\\1…', $string ) );
|
|
}
|
|
|
|
function monitorIdsToNames( $ids )
|
|
{
|
|
global $mITN_monitors;
|
|
if ( !$mITN_monitors )
|
|
{
|
|
$sql = "select Id, Name from Monitors";
|
|
$result = mysql_query( $sql );
|
|
if ( !$result )
|
|
echo mysql_error();
|
|
while ( $monitor = mysql_fetch_assoc( $result ) )
|
|
{
|
|
$mITN_monitors[$monitor['Id']] = $monitor;
|
|
}
|
|
}
|
|
$names = array();
|
|
foreach ( preg_split( '/\s*,\s*/', $ids ) as $id )
|
|
{
|
|
if ( visibleMonitor( $id ) )
|
|
{
|
|
if ( isset($mITN_monitors[$id]) )
|
|
{
|
|
$names[] = $mITN_monitors[$id]['Name'];
|
|
}
|
|
}
|
|
}
|
|
$name_string = join( ', ', $names );
|
|
return( $name_string );
|
|
}
|
|
?>
|