motd.php

<?php
/**
 * WoWRoster.net WoWRoster
 *
 * Message of the Day image generator
 *
 *
 * @copyright  2002-2011 WoWRoster.net
 * @license    http://www.gnu.org/licenses/gpl.html   Licensed under the GNU General Public License v3.
 * @package    WoWRoster
 */

define('IN_ROSTER', true);

//==========[ SETTINGS ]========================================================
$roster_root_path = dirname(__FILE__) . DIRECTORY_SEPARATOR;

if( isset($_GET['motd']) )
{
	$guildMOTD = substr(stripslashes(urldecode($_GET['motd'])), 0, 145);
}
elseif( isset($_GET['id']) )
{
	include ($roster_root_path . 'settings.php');

	$guild_escape = $_GET['id'];

	$query = "SELECT `guild_motd`"
		. " FROM `" . $roster->db->table('guild') . "`"
		. " WHERE `guild_id` = '" . $guild_escape . "';";

	$guild_motd = $roster->db->query_first($query);

	if( !$guild_motd )
	{
		$guild_motd = 'Failed to fetch guild MOTD';
	}
	$guildMOTD = substr(htmlspecialchars($guild_motd), 0, 145);
}
else
{
	include ($roster_root_path . 'settings.php');

	$guildMOTD = 'Invalid Access';
}

// Path to font folder
$image_path = $roster_root_path . 'img' . DIRECTORY_SEPARATOR;
$font_path = $roster_root_path . 'fonts' . DIRECTORY_SEPARATOR;

motd_img($guildMOTD, $image_path, $font_path);
die();

//==========[ IMAGE GENERATOR ]=================================================


function motd_img( $guildMOTD , $image_path , $font_path )
{
	$guildMOTD = html_entity_decode($guildMOTD);

	$maxw = 750;
	$vadj = 0;

	// Set ttf font
	$visitor = $font_path . 'VERANDA.TTF';

	// Get sizes of text
	$box = imagettfbbox(11, 0, $visitor, $guildMOTD);
	$text_length = $box[2] - $box[6];

	// Get how many times to print center
	$image_size = ($text_length < $maxw ? ceil($text_length / 198) : ceil($maxw / 198));
	$final_size = 54 + ($image_size * 198);

	// Create new image
	$img = imagecreatetruecolor($final_size, 38);

	// Get and combine base images, set colors
	$img_file = imagecreatefrompng($image_path . 'gmotd.png');

	// Copy image file into new image
	// Copy Left part
	imagecopy($img, $img_file, 0, 0, 0, 0, 38, 38);

	// Copy center part however times needed
	for( $i = 0; $i < $image_size; $i++ )
	{
		imagecopy($img, $img_file, ($i * 198) + 38, 0, 39, 0, 198, 38);
	}
	// Copy Right part
	imagecopy($img, $img_file, ($image_size * 198) + 38, 0, 237, 0, 17, 38);

	$textcolor = imagecolorallocate($img, 255, 255, 255);

	if( $text_length > $maxw )
	{
		$i = $text_length;
		$t = strlen($guildMOTD);
		while( $i > $maxw )
		{
			$t--;
			$box = imagettfbbox(11, 0, $visitor, substr($guildMOTD, 0, $t));
			$i = abs($box[0]) + abs($box[2]);
		}
		$t = strrpos(substr($guildMOTD, 0, $t), ' ');
		$output[0] = substr($guildMOTD, 0, $t);
		$output[1] = ltrim(substr($guildMOTD, $t));
		$vadj = -6;
	}
	else
	{
		$output[0] = $guildMOTD;
	}

	$i = 0;
	foreach( $output as $value )
	{
		$box = imagettfbbox(11, 0, $visitor, $value);
		$text_length = abs($box[0]) + abs($box[2]);
		imagettftext($img, 11, 0, round(($final_size - $text_length) / 2), 23 + ($i * 14) + $vadj, $textcolor, $visitor, $value);
		$i++;
	}

	header('Content-type: image/png');
	imagepng($img);
	imagedestroy($img);
}