<?php
session_start();
header('Content-type: image/png');
if(!isset($_SESSION['level']) || $_SESSION['level'] == 0){
	$img = imagecreate(150, 25);
	imagefill($img, 1, 1, imagecolorallocate($img, 255, 255, 255));
	imagestring($img, 5, 2, 1, 'Not logged in', imagecolorallocate($img, 0, 0, 0));
	imagepng($img);
	imagedestroy($img);
	die;
}

if(empty($_GET['id']) || !isset($_GET['id'])){
	$img = imagecreate(150, 25);
	imagefill($img, 1, 1, imagecolorallocate($img, 255, 255, 255));
	imagestring($img, 5, 2, 1, 'No id given', imagecolorallocate($img, 0, 0, 0));
	imagepng($img);
	imagedestroy($img);
	die;
}

require('settings.php');
if(!isset($dblink)){
	$dblink = mysql_pconnect($database['host'], $database['user'], $database['pass']);
	mysql_select_db($database['name']);
}

$itemid = mysql_real_escape_string($_GET['id']);
$imgfile = 'resources/itemCache/'.$itemid.'.png';
if(is_file($imgfile))
	readfile($imgfile);
else{
clearstatcache();
$sql = 'SELECT `cat`, `file`, `name` FROM '.$database['prefix'].'image_items WHERE `itemid` = '.$itemid;
$sql_result = mysql_query($sql, $dblink);

if (mysql_num_rows($sql_result) == 0){
	$img = imagecreate(150, 25);
	imagefill($img, 1, 1, imagecolorallocate($img, 255, 255, 255));
	imagestring($img, 5, 2, 1, 'Id not found', imagecolorallocate($img, 0, 0, 0));
	imagepng($img);
	imagedestroy($img);
	die;
}
$sql_row = mysql_fetch_assoc($sql_result);
switch($sql_row['cat']){
	case 'font':
		if (!is_file('resources/font/'.$sql_row['file'])){
			$img = imagecreate(200, 25);
			imagefill($img, 1, 1, imagecolorallocate($img, 255, 255, 255));
			imagestring($img, 4, 2, 5, 'Font file not found', imagecolorallocate($img, 0, 0, 0));
			imagepng($img);
			imagedestroy($img);
			die;
		}
		$textsize = imagettfbboxext(36, 'resources/font/'.$sql_row['file'], $sql_row['name']);
		$img = imagecreate($textsize['width']+4 <= 400 ? $textsize['width']+4 : 400, $textsize['height']+4 <= 100 ? $textsize['height']+4 : 100);
		imagefill($img, 1, 1, imagecolorallocatealpha($img, 255, 255, 255, 127));
		imagettftext($img, 36, 0, $textsize['x']+2, $textsize['y']+2, imagecolorallocate($img, 0, 0, 0), 'resources/font/'.$sql_row['file'], $sql_row['name']);
		imagepng($img, $imgfile);
		readfile($imgfile);
		imagedestroy($img);
		break;
	case 'background':
		if (!is_file('resources/bg/'.$sql_row['file'])){
			$img = imagecreate(210, 25);
			imagefill($img, 1, 1, imagecolorallocate($img, 255, 255, 255));
			imagestring($img, 4, 2, 5, 'Background file not found', imagecolorallocate($img, 0, 0, 0));
			imagepng($img);
			imagedestroy($img);
			die;
		}
		$imgcreate = imagecreatefrompng('resources/bg/'.$sql_row['file']);
		imagesavealpha($imgcreate, true);
		$imagesx = imagesx($imgcreate);
		$imagesy = imagesy($imgcreate);
		$imagesr = 1;
		
		if($imagesx > 400){
			$imagesr = 400 / $imagesx;
		}
		
		if ($imagesy * $imagesr > 100){
			$imagesr = 100 / $imagesy;
		}
		if($imagesr == 1){
			imagepng($imgcreate, $imgfile);
			imagedestroy($imgcreate);
		}else{
			$img = imagecreatetruecolor(floor($imagesx * $imagesr), floor($imagesy * $imagesr));
			imagesavealpha($img, true);
			imagefill($img, 1, 1, imagecolorallocatealpha($img, 255, 255, 255, 127));
			imagecopyresized($img, $imgcreate, 0, 0, 0, 0, floor($imagesx * $imagesr), floor($imagesy * $imagesr), $imagesx, $imagesy);
			imagepng($img, $imgfile);
			imagedestroy($img);
		}
		readfile($imgfile);
		break;
	case 'online':
	case 'busy':
	case 'away':
	case 'offline':
	case 'media':
	case 'game':
	case 'office':
		if (!is_file('resources/icon/'.$sql_row['file'])){
			$img = imagecreate(200, 25);
			imagefill($img, 1, 1, imagecolorallocate($img, 255, 255, 255));
			imagestring($img, 4, 2, 5, 'Icon file not found', imagecolorallocate($img, 0, 0, 0));
			imagepng($img);
			imagedestroy($img);
			die;
		}
		$imgcreate = imagecreatefrompng('resources/icon/'.$sql_row['file']);
		imagesavealpha($imgcreate, true);
		$imagesx = imagesx($imgcreate);
		$imagesy = imagesy($imgcreate);
		$imagesr = 1;
		
		if($imagesx > 400){
			$imagesr = 400 / $imagesx;
		}
		
		if ($imagesy * $imagesr > 100){
			$imagesr = 100 / $imagesy;
		}
		if($imagesr == 1){
			imagepng($imgcreate, $imgfile);
			imagedestroy($imgcreate);
		}else{
			$img = imagecreatetruecolor(floor($imagesx * $imagesr), floor($imagesy * $imagesr));
			imagesavealpha($img, true);
			imagefill($img, 1, 1, imagecolorallocatealpha($img, 0, 0, 0, 127));
			imagecopyresized($img, $imgcreate, 0, 0, 0, 0, floor($imagesx * $imagesr), floor($imagesy * $imagesr), $imagesx, $imagesy);
			imagepng($img, $imgfile);
			imagedestroy($img);
		}
		readfile($imgfile);
		break;
	default:
		$img = imagecreate(170, 25);
		imagefill($img, 1, 1, imagecolorallocate($img, 255, 255, 255));
		imagestring($img, 5, 2, 1, 'Type not supported', imagecolorallocate($img, 0, 0, 0));
		imagepng($img);
		imagedestroy($img);
		die;
}
}

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;
}
?>