<?php
///////////////////////////////////////////////////////////////////////////////////////////
// Database settings
///////////////////////////////////////////////////////////////////////////////////////////

// load database settings and connect
require('settings.php');
@mysql_pconnect($database['host'], $database['user'], $database['pass']);
@mysql_select_db($database['name']) or die("Unable to select database");

//check to see if a user id is given
$uid = mysql_real_escape_string($_REQUEST['uid']);
if ($uid == '' || $uid == null){
	$img = imagecreate(150, 25);
	imagefill($img, 1, 1, imagecolorallocate($img, 255, 255, 255));
	imagestring($img, 5, 2, 1, 'No uid given', imagecolorallocate($img, 0, 0, 0));
	imagepng($img);
	die;
}
//check to see if a filetype is given
$filetype = $_REQUEST['type'];
if ($filetype == '' || $filetype == null) {
	$filetype = 'png';
}

if ($filetype == 'png'){
	
	// get the image id
	$iid = mysql_real_escape_string($_REQUEST['iid']);
	if ($iid == '' || $iid == null) {
		$iid = 1;
	}

	$sql = 'SELECT timestamp, timezone, statusnumber FROM '.$database['prefix'].'users WHERE uid='.$uid;
	$sql_time_result = mysql_fetch_assoc(mysql_query($sql));
	
	// user id of a non-existant user...
	if (sizeof($sql_time_result) == 0) die('User not found');
	
/*	$sql_timestamp = mysql_result($sql_time, 0, 0);
	$timezone = mysql_result($sql_time, 0, 1);
	$strNumericStatus = mysql_result($sql_time, 0, 2);*/
	$imgfile = 'resources/cache/'.$uid.'-'.$iid.'.png';
	$update_time = @filemtime($imgfile);
	
	// check to see if the user is listed as online, but hasn't sent any status updates
	// in more than 20 minutes. If so, set the user to be offline.
	if (strtotime($sql_time_result['timestamp'].' GMT') + 60*20 < time() && $sql_time_result['statusnumber'] != 2){
		$sql = 'UPDATE '.$database['prefix'].'users SET status = "Offline", statusnumber = 2, timestamp="'.gmdate('Y-m-d H:i:s').'" WHERE uid='.$uid;
		mysql_query($sql);
		$sql_time_result['timestamp'] = gmdate('Y-m-d H:i:s');
	}

	//Check if a status update has been made since the last time the image was generated
	// If there are no updates, load the cached version
	if ($sql_time_result['timestamp'] < gmdate('Y-m-d H:i:s', $update_time)){
//	if (false){ // uncommenting this line and commenting the one above force a new image each time. useful for debugging
		header('Content-type: image/png');
		readfile($imgfile);
		$mtime = microtime();
		die;
	}else{
///////////////////////////////////////////////////////////////////////////////////////////
// General settings
///////////////////////////////////////////////////////////////////////////////////////////

		//arrays for smiley replacement. the text to replace is in the first array, filename without ext the ssecond
		$smileys_from = array("<:o)",":)",":-)",":D",":d",";)",";-)",":o",":O",":-O",":P",":p",":-p",":-P","(h)","(H)",":@",":-@",":$",":-$",":s",":S",":-S",":-s",":-(",":(",":'(",":|",":-|","(6)","(A)","(a)","(L)","(l)","(U)","(u)","(m)","(M)","(@)","(&)","(S)","(*)","(~)","(8)","(E)","(e)","(F)","(f)","(w)","(W)","(O)","(o)","(K)","(k)","(G)","(g)","(^)","(p)","(P)","(i)","(I)","(C)","(c)","(t)","(T)","({)","(})","(B)","(b)","(D)","(d)","(Z)","(z)","(x)","(X)","(y)","(Y)","(n)","(N)",":[",":-[","(?)","(%)","(#)","(R)","(r)",":-#","8o|","8-|","^o)",":-*","+o(","(sn)","(tu)","(pl)","(||)","(pi)","(so)","(au)","(ap)","(um)","(ip)","(co)","(mp)","(brb)","(st)","(yn)","(h5)","(mo)","(bah)",":^)","*-)","(li)","8-)","(ci)","(xx)","(nah)","*9mil", "*sierra", "*bgca", "*hsus", "*komen", "*one", "*mssoc", "*care", "*acs", "*oxfam", "*mod", "*help", "*red+u", "*unicef", "*wwf", "*naf", "('.')");
		$smileys_to =   array("75",  "1", "1",  "2", "2", "3", "3",  "4", "4", "4",  "5", "5", "5",  "5",  "6",  "6",  "7", "7",  "8", "8",  "9", "9", "9",  "9",  "10", "10","11", "12","12", "13", "14", "14", "15", "15", "16", "16", "17", "17", "18", "19", "20", "21", "22", "23", "24", "24", "25", "25", "26", "26", "27", "27", "28", "28", "29", "29", "30", "31", "31", "32", "32", "33", "33", "34", "34", "35", "36", "37", "37", "38", "38", "39", "39", "40", "40", "41", "41", "42", "42", "43","43", "44", "45", "46", "47", "47", "48", "49", "50", "51", "52", "53", "54",  "55",  "56",  "57",  "58",  "59",  "60",  "61",  "62",  "63",  "64",  "65",  "66",   "67",  "68",  "69",  "70",  "71",   "72", "73", "74",  "76", "77",  "78",  "79",   "80",    "80",      "80",    "80",    "80",     "80",   "80",     "80",    "80",   "80",     "80",   "80",    "80",     "80",      "80",   "80",   "81");

		// load in the user's data'
		$sql						= 'SELECT nick, psm, psmmedia, status FROM '.$database['prefix'].'users WHERE uid='.$uid;
		$sql_data				= mysql_fetch_assoc(mysql_query($sql));
		$user = array();
		$user['nick']			= unicodedecode($sql_data['nick']);
		$user['psm']		 	= unicodedecode($sql_data['psm']);
		$user['psmmedia'] 	= $sql_data['psmmedia'];
		$user['statusnumber']= $sql_time_result['statusnumber'];
		$user['statustext']	= unicodedecode($sql_data['status']);
		$user['timestamp']	= $sql_time_result['timestamp'];
		$user['timezone']		= $sql_time_result['timezone'];
		
		unset($sql_data);
		unset($sql_time_result);
		
		// get initial settings for the image to be created, which elements are enabled
		$sql = 'SELECT dp, statusimg, statustext, nick, psm, time, uid FROM '.$database['prefix'].'image_config WHERE uid='.$uid.' AND iid='.$iid;
		$enable = mysql_fetch_assoc(mysql_query($sql));
		
		//no rows...
		if (sizeof($enable) != 7){
				$img = imagecreate(150, 25);
				imagefill($img, 1, 1, imagecolorallocate($img, 255, 255, 255));
				imagestring($img, 5, 2, 1, 'Image not found', imagecolorallocate($img, 0, 0, 0));
				imagepng($img);
				die;
		}


		// start getting the main data for the image elements. Only retreive the settings that are needed 
		$sql = 'SELECT bg_url, bg_colour, bg_transparent, bg_x, bg_y';
		
		if ($enable['dp'])
			$sql .= ', dp_x, dp_y';
		if ($enable['statusimg'])
			$sql .= ', statusimg_x, statusimg_y, statusimg_online, statusimg_busy, statusimg_away, statusimg_offline';
		if ($enable['statustext'])
			$sql .= ', statustext_trailnick, statustext_x, statustext_y, statustext_font, statustext_size, statustext_colour, statustext_shadow, statustext_shadow_colour';
		if ($enable['nick'])
			$sql .= ', nick_x, nick_y, nick_xmax, nick_font, nick_size, nick_colour, nick_resize, nick_shadow, nick_shadow_colour';
		if ($enable['psm'])
			$sql .= ', psm_x, psm_y, psm_xmax, psm_font, psm_size, psm_colour, psm_mediacolour, psm_wrap, psm_music, psm_office, psm_game, psm_shadow, psm_shadow_colour';
		if ($enable['time'])
			$sql .= ', time_x, time_y, time_font, time_size, time_colour, time_date, time_headstring, time_tailstring, time_shadow, time_shadow_colour';
		$sql .= ' FROM '.$database['prefix'].'image_config WHERE uid='.$uid.' AND iid='.$iid;
		$imgdata = mysql_fetch_assoc(mysql_query($sql));

		// connecting item indexes to the file names
		$sql = 'SELECT itemid, file FROM '.$database['prefix'].'image_items WHERE `status` = 1 AND (`private` = 0 OR (`private` = 1 AND `uid` = '.$uid.'))';
		$sql_result = mysql_query($sql);
		$imgitem = Array();
		while($tmp = mysql_fetch_row($sql_result))
			$imgitem[$tmp[0]]=$tmp[1];
		unset($tmp);

///////////////////////////////////////////////////////////////////////////////////////////
// Create the background
///////////////////////////////////////////////////////////////////////////////////////////
		$main_image = imagecreatetruecolor($imgdata['bg_x'], $imgdata['bg_y']);
		imagesavealpha($main_image, true);
	//	imageAlphaBlending($main_image, true);
		
		//create a solid colour bg or completly transparent
		if($imgdata['bg_transparent'])
			imagefill($main_image, 0, 0, imagecolorallocatealpha($main_image, 255, 255, 255, 127));
		else
			imagefill($main_image, 0, 0, imagecolorallocatehex($main_image, $imgdata['bg_colour']));

		//if there's a bg image, copy that too
		if ($imgitem[$imgdata['bg_url']] != '' && url_exists('resources/bg/'.$imgitem[$imgdata['bg_url']])){
			$bgimage = imagecreatefrompng('resources/bg/'.$imgitem[$imgdata['bg_url']]);
			$imagesx = imagesx($bgimage);
			$imagesy = imagesy($bgimage);
			if($imgdata['bg_x'] == $imagesx && $imgdata['bg_y'] == $imagesy)
				imagecopy($main_image, $bgimage, 0, 0, 0, 0, $imagesx, $imagesy);
			else
				imagecopyresized($main_image, $bgimage, 0, 0, 0, 0, $imgdata['bg_x'], $imgdata['bg_y'], imagesx($bgimage), imagesy($bgimage));
			imagedestroy($bgimage);
		}


///////////////////////////////////////////////////////////////////////////////////////////
// Make the display picture
///////////////////////////////////////////////////////////////////////////////////////////
		if ($enable['dp']){
			$dp_url	= 'resources/dp/'.$uid.'.dat';

			//get the MIME type so the proper imagecreate function can be used
			if (file_exists($dp_url)){
				$mime = getimagesize($dp_url);
				switch($mime['mime']){
					case 'image/png':
						$imgDP = @imagecreatefrompng($dp_url);
						break;
					case 'image/jpeg':
						$imgDP = @imagecreatefromjpeg($dp_url);
						break;
					case 'image/gif':
						$imgDP = @imagecreatefromgif($dp_url);
						break;
					case 'image/bmp':
						$imgDP = @imagecreatefromwbmp($dp_url);
						break;
				}
			}
			//if there is no DP, make one! outputs a traditional broken image 'red x'
			if (!file_exists($dp_url) || !$imgDP) {
				$imgDP = imagecreate($enable['dp']*24, $enable['dp']*24);
/*				$fontcolourdp_sysgrey = imagecolorallocate($imgDP, 204, 204, 204);
				$fontcolourdp_dkgrey = imagecolorallocate($imgDP, 153, 153, 153);
				$fontcolourdp_white = imagecolorallocate($imgDP, 255, 255, 255);
				$fontcolourdp_red = imagecolorallocate($imgDP, 153, 0, 0);*/
				imagefilledrectangle($imgDP, 0,0,96,96,imagecolorallocate($imgDP, 255, 255, 255));
				imagerectangle($imgDP, 3,2,18,22,imagecolorallocate($imgDP, 204, 204, 204));
				imagerectangle($imgDP, 4,3,19,23,imagecolorallocate($imgDP, 153, 153, 153));
				imagethickline($imgDP, 7,8,15,16,imagecolorallocate($imgDP, 153, 0, 0), 1);
				imagethickline($imgDP, 15,8,7,16,imagecolorallocate($imgDP, 153, 0, 0), 1);
			}
			imagecopyresampled($main_image, $imgDP, $imgdata['dp_x'], $imgdata['dp_y'] - $enable['dp']*24, 0, 0, $enable['dp']*24, $enable['dp']*24, imagesx($imgDP), imagesy($imgDP));
			imagedestroy($imgDP);
		}
///////////////////////////////////////////////////////////////////////////////////////////
// Status Icon
///////////////////////////////////////////////////////////////////////////////////////////

		if ($enable['statusimg']){
			switch ($user['statusnumber']){
				case 3:
					$imgStatus = imagecreatefrompng('resources/icon/'.$imgitem[$imgdata['statusimg_online']]);
				break;
			
				case 4:
				case 8:
					$imgStatus = imagecreatefrompng('resources/icon/'.$imgitem[$imgdata['statusimg_busy']]);
				break;
				
				case 7:
				case 5:
				case 9:
				case 6:
					$imgStatus = imagecreatefrompng('resources/icon/'.$imgitem[$imgdata['statusimg_away']]);
				break;
				
				case 2:
				default:	
					$imgStatus = imagecreatefrompng('resources/icon/'.$imgitem[$imgdata['statusimg_offline']]);
				break;
			}
			$imagesy = imagesy($imgStatus);
			imagecopy($main_image, $imgStatus, $imgdata['statusimg_x'], $imgdata['statusimg_y'] - $imagesy, 0, 0, imagesx($imgStatus), $imagesy);
			imagedestroy($imgStatus);
			unset($imagesy);
		}
///////////////////////////////////////////////////////////////////////////////////////////
// Display name
///////////////////////////////////////////////////////////////////////////////////////////

		if ($enable['nick']){

		///////////////////////////////////////////////////////////
		// font size
		///////////////////////////////////////////////////////////

			//if the size of the nick is longer than nick_xmax, the fontsize is decreased until it fits,
			// or it has shrunk 4 times or the font size is 6pt
			
			if($imgdata['statustext_trailnick'])
				$statustextbox = imagettfbboxext($imgdata['statustext_size'], 'resources/font/'.$imgitem[$imgdata['statustext_font']], $user['statustext']);
			else
				$statustextbox['width'] = 0;

			if ($imgdata['nick_resize']){
				$nickbox = imagettfbboxext($imgdata['nick_size'], 'resources/font/'.$imgitem[$imgdata['nick_font']], $user['nick']);
				$i = 1;
				while($nickbox['width'] + $statustextbox['width'] > $imgdata['nick_xmax'] && $i++ < 4 && $imgdata['nick_size'] > 6){
					$imgdata['nick_size'] -= 2;
					$nickbox = imagettfbboxext($imgdata['nick_size'], 'resources/font/'.$imgitem[$imgdata['nick_font']], $user['nick']);
				}
			}
			//if the nick is still too big, lets truncate it
			$nickbox = imagettfbboxext($imgdata['nick_size'], 'resources/font/'.$imgitem[$imgdata['nick_font']], $user['nick']);
			$i=0;
			while($nickbox['width'] + $statustextbox['width'] > $imgdata['nick_xmax'] && $i++ < 128){
				$truncated = true;
				$user['nick'] = substr($user['nick'], 0, strlen($user['nick'])-1);
				$nickbox = imagettfbboxext($imgdata['nick_size'], 'resources/font/'.$imgitem[$imgdata['nick_font']], $user['nick'].' ...');
			}
			if ($truncated)
				$user['nick'] = $user['nick'] . ' ...';
			unset($nickbox);
			unset($statustextbox);

	///////////////////////////////////////////////////////////
	// Smiley codes
	///////////////////////////////////////////////////////////
			$nickbasesize = imagettfbboxext($imgdata['nick_size'], 'resources/font/'.$imgitem[$imgdata['nick_font']], '|');
			if ($nickbasesize['height'] < 19)
				$emotesize = $nickbasesize['height'];
			else
				$emotesize = 19;
			$spacer = ' ';
			$spacewidth = imagettfbboxext($imgdata['nick_size'], 'resources/font/'.$imgitem[$imgdata['nick_font']], $spacer);
			$i=0;
			while($spacewidth['width']*strlen($spacer) < $emotesize+2 && $i++ < 30)
				$spacer .= ' ';
			$emoteoffsetx = ceil(($spacewidth['width']*strlen($spacer)-$emotesize)/2);
			$emoteoffsety = ceil(($nickbasesize['height']-$emotesize)/2);
			$i=0;
			while ($i <= count($smileys_from)){
				$pos = strpos($user['nick'], $smileys_from[$i]);
				if ($pos !== false){
					$imgEmote = imagecreatefrompng('resources/emotes/' . $smileys_to[$i] . '.png');
					$emoteposx = imagettfbboxext($imgdata['nick_size'], 'resources/font/'.$imgitem[$imgdata['nick_font']], substr($user['nick'], 0, $pos));
					imagecopyresampled($main_image, $imgEmote, $emoteposx['width'] + $imgdata['nick_x'] + $emoteoffsetx, $imgdata['nick_y'] - $emotesize + $emoteoffsety, 0, 0, $emotesize, $emotesize, imagesx($imgEmote), imagesy($imgEmote));
					$user['nick'] = str_replace_once($smileys_from[$i], $spacer, $user['nick']);
					imagedestroy($imgEmote);
				} else {
					$i++;
				}
			}
		///////////////////////////////////////////////////////////
		// Write out the Display Name
		///////////////////////////////////////////////////////////
			if($imgdata['nick_shadow']){
				imagettftext($main_image, $imgdata['nick_size'], 0, $imgdata['nick_x']+1, $imgdata['nick_y']+1, imagecolorallocatehex($main_image, $imgdata['nick_shadow_colour']), 'resources/font/'.$imgitem[$imgdata['nick_font']], $user['nick']);
			}
			imagettftext($main_image, $imgdata['nick_size'], 0, $imgdata['nick_x'], $imgdata['nick_y'], imagecolorallocatehex($main_image, $imgdata['nick_colour']), 'resources/font/'.$imgitem[$imgdata['nick_font']], $user['nick']);
		}		

///////////////////////////////////////////////////////////////////////////////////////////
// Status Text
///////////////////////////////////////////////////////////////////////////////////////////

		if ($enable['statustext']){
			if ($imgdata['statustext_trailnick'] && $enable['nick']){
				$nickbox = imagettfbboxext($imgdata['nick_size'], 'resources/font/'.$imgitem[$imgdata['nick_font']], $user['nick']);
				$imgdata['statustext_x'] = $imgdata['nick_x'] + $nickbox['width'];
				unset($nickbox);
				$imgdata['statustext_y'] = $imgdata['nick_y'];
				$user['statustext'] = ' ('.$user['statustext'].')';
			}
			if($imgdata['statustext_shadow']){
				imagettftext($main_image, $imgdata['statustext_size'], 0, $imgdata['statustext_x']+1, $imgdata['statustext_y']+1, imagecolorallocatehex($main_image, $imgdata['statustext_shadow_colour']), 'resources/font/'.$imgitem[$imgdata['statustext_font']], $user['statustext']);
			}
			imagettftext($main_image, $imgdata['statustext_size'], 0, $imgdata['statustext_x'], $imgdata['statustext_y'], imagecolorallocatehex($main_image, $imgdata['statustext_colour']), 'resources/font/'.$imgitem[$imgdata['statustext_font']], $user['statustext']);
		}

///////////////////////////////////////////////////////////////////////////////////////////
// Personal Status Message
///////////////////////////////////////////////////////////////////////////////////////////

//psm_x, psm_y, psm_xmax, psm_font, psm_size, psm_colour, psm_mediacolour, psm_wrap, psm_music
		if($enable['psm']){
			if ($user['psmmedia'] != 'None' && $user['statusnumber'] == 2){
				$user['psm'] = '';
				$user['psmmedia'] = 'None';
			}
			$psmbox = imagettfbboxext($imgdata['psm_size'], 'resources/font/'.$imgitem[$imgdata['psm_font']], $user['psm']);
			
			if ($user['psmmedia'] == 'None'){
				$psmcolourval = imagecolorallocatehex($main_image, $imgdata['psm_colour']);
				
			}else{
				$psmcolourval = imagecolorallocatehex($main_image, $imgdata['psm_mediacolour']);
								
				switch ($user['psmmedia']){
					case 'Music':
						$imgPSM = imagecreatefrompng('resources/icon/'.$imgitem[$imgdata['psm_music']]);
					break;
					case 'Office':
						$imgPSM = imagecreatefrompng('resources/icon/'.$imgitem[$imgdata['psm_office']]);
					break;
					case 'Games':
						$imgPSM = imagecreatefrompng('resources/icon/'.$imgitem[$imgdata['psm_game']]);
					break;
				}
				$imagesx = imagesx($imgPSM);
				$imagesy = imagesy($imgPSM);
				$psm_y = ($psmbox[7] - $imagesy)/2 + $imgdata['psm_y'];
				imagecopy ($main_image, $imgPSM, $imgdata['psm_x'], $psm_y, 0, 0, $imagesx, $imagesy);
				$imgdata['psm_x'] = $imgdata['psm_x'] + $imagesx + 2;
				imagedestroy($imgPSM);
			}

			
			if($imgdata['psm_wrap']){
				if ($psmbox['width'] > $imgdata['psm_xmax']){
					$line1 = $user['psm'];
					$line1size = imagettfbboxext($imgdata['psm_size'], 'resources/font/'.$imgitem[$imgdata['psm_font']], $line1);
					$i=0;
					while($line1size['width'] > $imgdata['psm_xmax'] && $i++ < 128){
						if(strstr($line1, ' '))
							$line1 = substr($line1, 0, strrpos($line1, ' '));
						else
							$line1 = substr($line1, 0, strlen($line1)-1);
						$line1size = imagettfbboxext($imgdata['psm_size'], 'resources/font/'.$imgitem[$imgdata['psm_font']], $line1);
					}
					$line2 = trim(substr($user['psm'], strlen($line1)));

					$line2size = imagettfbboxext($imgdata['psm_size'], 'resources/font/'.$imgitem[$imgdata['psm_font']], $line2);
					$i=0;
					if($line2size['width'] > $imgdata['psm_xmax']){
						while($line2size['width'] > $imgdata['psm_xmax'] && $i++ < 128){
							$line2 = substr($line2, 0, strlen($line2)-1);
							$line2size = imagettfbboxext($imgdata['psm_size'], 'resources/font/'.$imgitem[$imgdata['psm_font']], $line2.' ...');
						}
						$line2 = $line2 . ' ...';
					}
					if($imgdata['psm_shadow']){
						imagettftext($main_image, $imgdata['psm_size'], 0, $imgdata['psm_x']+1, $imgdata['psm_y']+1 - floor(0.5*$psmbox['height']), imagecolorallocatehex($main_image, $imgdata['psm_shadow_colour']), 'resources/font/'.$imgitem[$imgdata['psm_font']], $line1);
						imagettftext($main_image, $imgdata['psm_size'], 0, $imgdata['psm_x']+1, $imgdata['psm_y']+1 + floor(0.6*$psmbox['height']), imagecolorallocatehex($main_image, $imgdata['psm_shadow_colour']), 'resources/font/'.$imgitem[$imgdata['psm_font']], $line2);
					}
					imagettftext($main_image, $imgdata['psm_size'], 0, $imgdata['psm_x'], $imgdata['psm_y'] - floor(0.5*$psmbox['height']), $psmcolourval, 'resources/font/'.$imgitem[$imgdata['psm_font']], $line1);
					imagettftext($main_image, $imgdata['psm_size'], 0, $imgdata['psm_x'], $imgdata['psm_y'] + floor(0.6*$psmbox['height']), $psmcolourval, 'resources/font/'.$imgitem[$imgdata['psm_font']], $line2);
					
				}else{
					if($imgdata['psm_shadow'])
						imagettftext($main_image, $imgdata['psm_size'], 0, $imgdata['psm_x']+1, $imgdata['psm_y']+1, imagecolorallocatehex($main_image, $imgdata['psm_shadow_colour']), 'resources/font/'.$imgitem[$imgdata['psm_font']], $user['psm']);
					imagettftext($main_image, $imgdata['psm_size'], 0, $imgdata['psm_x'], $imgdata['psm_y'], $psmcolourval, 'resources/font/'.$imgitem[$imgdata['psm_font']], $user['psm']);
				}
			}else{
				$psmbox = imagettfbboxext($imgdata['psm_size'], 'resources/font/'.$imgitem[$imgdata['psm_font']], $user['psm']);
				if($psmbox['width'] > $imgdata['psm_xmax']){
					$i=0;
					while($psmbox['width'] > $imgdata['psm_xmax'] && $i++ < 128){
						$user['psm'] = substr($user['psm'], 0, strlen($user['psm'])-1);
						$psmbox = imagettfbboxext($imgdata['psm_size'], 'resources/font/'.$imgitem[$imgdata['psm_font']], $user['psm'].' ...');
					}
					$user['psm'] = $user['psm'] . ' ...';
				}
				if($imgdata['psm_shadow'])
					imagettftext($main_image, $imgdata['psm_size'], 0, $imgdata['psm_x']+1, $imgdata['psm_y']+1, imagecolorallocatehex($main_image, $imgdata['psm_shadow_colour']), 'resources/font/'.$imgitem[$imgdata['psm_font']], $user['psm']);
				imagettftext($main_image, $imgdata['psm_size'], 0, $imgdata['psm_x'], $imgdata['psm_y'], $psmcolourval, 'resources/font/'.$imgitem[$imgdata['psm_font']], $user['psm']);
			}
		}
		
///////////////////////////////////////////////////////////////////////////////////////////
// Last Update time
///////////////////////////////////////////////////////////////////////////////////////////

		if ($enable['time']){
			$tsecs 				= strtotime($user['timestamp']);
			$tsecs 				= $tsecs + 3600 * $user['timezone'];
			$last_update 		= date ($imgdata['time_date'], $tsecs);
			if($imgdata['time_shadow'])
				imagettftext($main_image, $imgdata['time_size'], 0, $imgdata['time_x']+1, $imgdata['time_y']+1, imagecolorallocatehex($main_image, $imgdata['time_shadow_colour']), 'resources/font/'.$imgitem[$imgdata['time_font']], $imgdata['time_headstring'].$last_update.$imgdata['time_tailstring']);
			imagettftext($main_image, $imgdata['time_size'], 0, $imgdata['time_x'], $imgdata['time_y'], imagecolorallocatehex($main_image, $imgdata['time_colour']), 'resources/font/'.$imgitem[$imgdata['time_font']], $imgdata['time_headstring'].$last_update.$imgdata['time_tailstring']);
		}

///////////////////////////////////////////////////////////////////////////////////////////
// Create and output the final image
///////////////////////////////////////////////////////////////////////////////////////////
		ob_start();
		//output header information, and then the final image.
		header('Content-type: image/png');
		Header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
		Header("Expires: Sat, 01 Jan 2000 00:00:00 GMT");
		Header("Pragma: no-cache");
		$success = imagepng($main_image);
		$bin_main_image = ob_get_flush();
		imagedestroy($main_image);

		if ($success = FALSE){
			die('Error creating image');
		}else{
			$sql = 'UPDATE '.$database['prefix'].'image_config SET updated="'.$user['timestamp'].'" WHERE uid='.$uid.' AND iid='.$iid;
			mysql_query($sql);
		}

		$resFp = fopen($imgfile, "wb");
		fwrite($resFp, $bin_main_image);
		fclose($resFp);
	}// end image cache
	
}// end filetype png

elseif ($filetype == 'txt'){
		$sql = 'SELECT nick, psm, psmmedia, status, statusnumber FROM '.$database['prefix'].'users WHERE uid='.$uid;
		$sql_data	= mysql_query($sql);
		header('Content-type: text/plain');
		echo(mysql_result($sql_data, 0, 0)."\n");
		echo(mysql_result($sql_data, 0, 1)."\n");
		echo(mysql_result($sql_data, 0, 2)."\n");
		echo(mysql_result($sql_data, 0, 3)."\n");
		echo(mysql_result($sql_data, 0, 4)."\n");
}else{
	echo('The filetype you have requested is not available to be displayed.');
}

mysql_close();

///////////////////////////////////////////////////////////////////////////////////////////
// Functions
///////////////////////////////////////////////////////////////////////////////////////////

//makes a thick line
function imagethickline($img,$start_x,$start_y,$end_x,$end_y,$color,$thickness)
{
    $angle=(atan2(($start_y - $end_y),($end_x - $start_x)));

    $dist_x=$thickness*(sin($angle));
    $dist_y=$thickness*(cos($angle));
   
    $p1x=ceil(($start_x + $dist_x));
    $p1y=ceil(($start_y + $dist_y));
    $p2x=ceil(($end_x + $dist_x));
    $p2y=ceil(($end_y + $dist_y));
    $p3x=ceil(($end_x - $dist_x));
    $p3y=ceil(($end_y - $dist_y));
    $p4x=ceil(($start_x - $dist_x));
    $p4y=ceil(($start_y - $dist_y));
   
    $array=array(0=>$p1x,$p1y,$p2x,$p2y,$p3x,$p3y,$p4x,$p4y);
    imagefilledpolygon ( $img, $array, (count($array)/2), $color );
}

//see if a file exists at a url
function url_exists($url){
	if ($url != "")	{
		if (@fopen($url,"r")){
			return true;
		}else{
			return false;
		}
	}else{
		return false;
	}
}

//replace the first occurance of a string only
function str_replace_once($search, $replace, $subject){
	$pos = strpos($subject, $search);
	if ($pos > 0 || $pos===0){
		return substr($subject, 0, $pos) . $replace . substr($subject, $pos+strlen($search));
	} else {
		return $subject;
	}
}

//takes a hex colour value, and returns an array with decmal rgb values
function imagecolorallocatehex($image, $color){
	if ($color[0] == '#')
		$color = substr($color, 1);
	$int = hexdec($color);
	return ImageColorAllocate ($image,
		0xFF & ($int >> 0x10),
		0xFF & ($int >> 0x8),
		0xFF & $int);
}

function imagettfbboxext($size, $fontfile, $text) {
/*this function extends imagettfbbox and includes within the returned array
the actual text width and height as well as the x and y coordinates the
text should be drawn from to render correctly.  This currently only works
for an angle of zero and corrects the issue of hanging letters e.g. jpqg
taken from http://mikeleigh.com/serendipity/index.php?/archives/20-php-function-imagettfbbox.html
*/
$bbox = imagettfbbox($size, 0, $fontfile, $text);
//calculate x baseline
if($bbox[0] >= -1) {
	$bbox['x'] = abs($bbox[0] + 1) * -1;
} else {
	$bbox['x'] = abs($bbox[0] + 2);
}
//calculate actual text width
$bbox['width'] = abs($bbox[2] - $bbox[0]);
if($bbox[0] < -1) {
	$bbox['width'] = abs($bbox[2]) + abs($bbox[0]) - 1;
}
//caculate y baseline
$bbox['y'] = abs($bbox[5] + 1);
//calculate actaul text height
$bbox['height'] = abs($bbox[7]) - abs($bbox[1]);
if($bbox[3] > 0) {
	$bbox['height'] = abs($bbox[7] - $bbox[1]) - 1;
}
return $bbox;
}

function unicodedecode($str){
//Decodes unicode characters encoded in URL format, and standard URl encoding
//eg. %20 is a space, %u0123 is a unicode character
	$res = '';
	$i = 0;
	$max = strlen($str) - 6;
	while ($i <= $max){
		$character = $str[$i];
		if ($character == '%' && $str[$i + 1] == 'u'){
			$value = hexdec(substr($str, $i + 2, 4));
			$i += 6;
			if ($value < 0x0080) // 1 byte: 0xxxxxxx
				$character = chr($value);
			else if ($value < 0x0800) // 2 bytes: 110xxxxx 10xxxxxx
					$character = chr((($value & 0x07c0) >> 6) | 0xc0) . chr(($value & 0x3f) | 0x80);
				else // 3 bytes: 1110xxxx 10xxxxxx 10xxxxxx
					$character = chr((($value & 0xf000) >> 12) | 0xe0) . chr((($value & 0x0fc0) >> 6) | 0x80) . chr(($value & 0x3f) | 0x80);
		}else
			$i++;
		$res .= $character;
	}
	return urldecode($res . substr($str, $i));
}

?>