<?php
/*
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA  02110-1301, USA.
    ---
    Copyright (C) 2009, Ryan Peel ryan@2amlife.com
 */

class anyfontAdmin {

	private $page;
	private $page_html;
	private $tplPath;
	private $fontlist = array();
	private $modules = array();

	public function __construct($config=false){
		require_once(ANYFONT_LIBDIR."/class.tpl.php");
		$this->tplPath = ANYFONT_ROOT."/tpl";
		if(is_array($config) && isset($config['page'])){
			$this->page = $config['page'];
			$this->page_title = $config['title'];
			self::get_page();
		}
	}

	public function printPage(){
		print($this->page_html);
	}

	private function get_page(){
		$url = get_bloginfo('wpurl');
		$jslang_array = array(
			"del_style_note" => __("Please note that once a style is deleted, any generated images that are assosiated with the style will no longer load.", 'anyfont'),
			"chk_del_style" => __("Are you sure you want to delete this style?", 'anyfont'),
			"chk_del_styles" => __("Are you sure you want to delete the selected styles?", 'anyfont'),
			"msg_del_fonts" => __("Deleting Selected Fonts...", 'anyfont'),
			"msg_del_styles" => __("Deleting Selected Styles...", 'anyfont'),
			"msg_del" => __("Deleting", 'anyfont'),
			"err_select_font" => __("No Fonts Selected!", 'anyfont'),
			"err_select_style" => __("No Styles Selected!", 'anyfont'),
			"chk_clear_cache" => __("Are you sure you want to clear the cache?", 'anyfont'),
			"msg_clear_cache" => __("Clearing the cache...", 'anyfont'),
			"msg_no_images" => __("no images", 'anyfont'),
			"msg_upload_success" => __("was uploaded successfully", 'anyfont'),
			"err_upload_failed" => __("Upload Failed:", 'anyfont'),
			"err_saving_style" => __("Save Failed! Please ensure that the font folder and all files inside are writable by the webserver.", 'anyfont'),
			"msg_saved_style" => __("Style has been saved.", 'anyfont'),
			"msg_saving_style" => __("Saving Style...", 'anyfont'),
			"msg_upload_start" => __("Uploading Font...", 'anyfont'),
			"msg_saving_settings" => __("Saving Settings...", 'anyfont')

		);
		if (function_exists('json_encode')) {
			$jslang = json_encode($jslang_array);
		} else {
			require_once(ANYFONT_ROOT.'/lib/class.json.php');
			$JSON = new serviceJSON();
			$jslang = $JSON->encode($jslang_array);
		}
		$this->tpl = new fastTPL($this->tplPath);
		$this->tpl->define(array($this->page => "{$this->page}.html",
							"header" => "header.html",
							"footer" => "footer.html",
						));
		$this->tpl->assign("STYLE", file_get_contents(ANYFONT_ROOT."/styles.css"));
		$this->tpl->assign("URL", $url."/");
		$this->tpl->assign("JSLANG", $jslang);
		$this->tpl->assign("ICON_CLASS", $this->page);
		$this->tpl->assign("PAGE_TITLE", "AnyFont - ".$this->page_title);
		$this->tpl->assign("HEADER", $this->tpl->fetchParsed("header"));
		switch($this->page){
			case 'settings':
				self::getSettings();
				break;

			case 'fonts':
				self::readFontDir();
				self::getFonts();
				break;

			case 'styles':
				self::readFontDir();
				self::getStyles();
				break;
		}
		$this->tpl->assign("FOOTER", $this->tpl->fetchParsed("footer"));
		$this->page_html =  $this->tpl->fetchParsed($this->page);
	}

	private function getSettings(){
		$cachedir = ANYFONT_CACHE;
		$totalsize = 0;
		$imagecount = 0;
		if(!is_dir($cachedir)){
			return false;
		} else {
			$dir = opendir($cachedir);
			while ($file = readdir($dir)) {
				$fileinfo = explode(".", $file);
				if ($fileinfo[1] == "png") {
					$imagecount++;
					$totalsize += filesize($cachedir."/".$file);
				}
			}
		}
		$imageplural = $imagecount == 1 ? " image" : " images";
		$isare = $imagecount == 1 ? "is" : "are";
		$imagecount == 0 ? $imagecount = "no" : 0;
		$opt = array("auto(Default)" => "auto", "gd" => "php4", "imagick" => "php5");
		$imageopt = "";
		foreach($opt as $mod => $val){
			$selected = ($val == get_option('anyfont_image_module')) ? "selected=\"selected\"" : "";
			if($val == "auto"){
				$imageopt .= "<option value=\"$val\" $selected>$mod</option>";
			}else if(extension_loaded($mod)){
				$imageopt .= "<option value=\"$val\" $selected>$mod module</option>";
			}
		}
		self::isReplaceEnabled(get_option('anyfont_page_title'), "PAGE");
		self::isReplaceEnabled(get_option('anyfont_post_title'), "POST");
		self::isReplaceEnabled(get_option('anyfont_cat_title'), "CAT");
		self::isReplaceEnabled(get_option('anyfont_tag_title'), "TAG");
		self::isReplaceEnabled(get_option('anyfont_widget_title'), "WIDGET");
		self::isReplaceEnabled(get_option('anyfont_blog_title'), "BLOG_TITLE");
		self::isReplaceEnabled(get_option('anyfont_blog_desc'), "BLOG_DESC");
		self::isReplaceEnabled(get_option('anyfont_disable_hotlinking'), "DISABLE_HOTLINKING");
		$this->tpl->assign("REPLACE_H2", __("Replace Text Titles", 'anyfont'));
		$this->tpl->assign("IMAGE_H2", __("Image Cache", 'anyfont'));
		$this->tpl->assign("ADVANCED_H2", __("Advanced Settings", 'anyfont'));
		$this->tpl->assign("ADVANCED_MSG", __("It is recommended that the following options are left on their default settings.", 'anyfont'));
		$this->tpl->assign("HELP_MSG", __("To replace certain plain text titles with images in your wordpress blog, enable the appropriate section below and then assign it one of your <a href=\"{STYLE_URL}\">styles</a>.", 'anyfont'));
		$this->tpl->assign("SEO_NOTE", __("The post title, page title, blog name and blog description image replacements are SEO compatible.", 'anyfont'));
		$this->tpl->assign("DISCLAIMER", __("PLEASE NOTE:<br /> These options may not be compatible with ALL themes and/or custom widgets.<br />If your theme already uses a custom image for the title, it is NOT advisable to enable the blog name option.", 'anyfont'));
		$this->tpl->assign("DISCLAIMER_CONT", __("If you encounter any problems, Please check the FAQ for known issues with certain themes, check with the developer of your theme, or <a href=\"http://2amlife.com/contact\" target=\"_blank\">contact me</a> for assistance.", 'anyfont'));
		$this->tpl->assign("POST_TITLE_STYLES", self::titleStyleConfig( get_option('anyfont_post_title_style')));
		$this->tpl->assign("PAGE_TITLE_STYLES", self::titleStyleConfig(get_option('anyfont_page_title_style')));
		$this->tpl->assign("TAG_TITLE_STYLES", self::titleStyleConfig(get_option('anyfont_tag_title_style')));
		$this->tpl->assign("CAT_TITLE_STYLES", self::titleStyleConfig(get_option('anyfont_cat_title_style')));
		$this->tpl->assign("WIDGET_TITLE_STYLES", self::titleStyleConfig(get_option('anyfont_widget_title_style')));
		$this->tpl->assign("BLOG_TITLE_STYLES", self::titleStyleConfig(get_option('anyfont_blog_title_style')));
		$this->tpl->assign("BLOG_DESC_STYLES", self::titleStyleConfig(get_option('anyfont_blog_desc_style')));
		$this->tpl->assign("IMAGE_MODULE_OPTIONS", $imageopt);
		$this->tpl->assign("STYLE_URL", WP_ADMIN_URL."/admin.php?page=anyfont-styles");
		$this->tpl->assign("IMAGE_COUNT", $imagecount.$imageplural);
		$this->tpl->assign("ISARE", $isare);
		$this->tpl->assign("TOTAL_SIZE", self::bytecalc($totalsize));
	}

	private function isReplaceEnabled($section, $assign){
		if($section){
			$this->tpl->assign("{$assign}_CHECKED", "checked=\"checked\"");
			$this->tpl->assign("{$assign}_ON_CLASS", " anyfont_checkbox_on");
		} else {
			$this->tpl->assign("{$assign}_DISABLED", "disabled=\"disabled\"");
		}
	}

	private function titleStyleConfig($section){
		$styleoptions = '';
		if(file_exists(ANYFONT_FONTDIR."/styles.ini")){
			$styles = parse_ini_file(ANYFONT_FONTDIR."/styles.ini", true);
			foreach($styles as $style => $option){
				if($style != "admin"){
					$selected = $style == $section ? "selected=\"selected\"" : '';
					$styleoptions .= "<option value=\"$style\" $selected>$style</option>";
				}
			}
		}	
		return $styleoptions;
	}

	private function getFonts(){
		$list = "";
		$tpl = new fastTPL($this->tplPath);
		$tpl->define(array("font_block" => "fonts-block.html"));
		foreach($this->fontlist as $displayname => $fontdetail){
			$fontname = urlencode($fontdetail['filename']);
			$tpl->assign('FONT_NAME', $fontname);
			$tpl->assign('DISPLAY_NAME', $displayname);
			$tpl->assign('FONT_URL', get_bloginfo('wpurl')."/images/admin/$fontname/$displayname.png");
// 			!get_option('anyfont_display_charmap')  ? $tpl->assign('CHARMAP_URL', get_bloginfo('wpurl')."/images/admin/$fontname/charactermap.png") : 0;
			$tpl->assign('DELETE_ICON', ANYFONT_URL."/img/icon-delete.png");
			$list .= $tpl->fetchParsed("font_block");
		}
		$this->tpl->assign("FONTS", $list);
		$this->tpl->assign("UPLOAD_URL", ANYFONT_URL."/upload.php");
	}

	private function readFontDir() {
		$this->fontlist = array();
		$filelist  = array();
		$sortlist  = array();
		$buildlist = array();
		if(!is_dir(ANYFONT_FONTDIR)){
			return false;
		} else {
			$dir = dir(ANYFONT_FONTDIR);
			while (false !== ($e = $dir->read())){
				if($e != '.' && $e != '..'){
					array_push($filelist, $e);
				}
			}
		}
		natcasesort($this->fontlist);
		foreach($filelist as $file){
			if (self::is_font($file) === true){
				$fontdetails = $this->getFontInfo( ANYFONT_FONTDIR ."/". $file);
				$font["name"] = $fontdetails[1];
				$font["type"] = $fontdetails[2];
				$font["trademark"] = $fontdetails[7];
				$font["copyright"] = $fontdetails[10];
				$font["version"] = $fontdetails[5];
				$font["author"] = !isset($fontdetails[8]) ? $fontdetails[9] : $fontdetails[8];
				$font["url"] = $fontdetails[11];
				$font["license"] = $fontdetails[13];
				$font["filename"] = self::getFontName($file);
				$buildlist[$fontdetails[1]] = $font;
				array_push($sortlist, $fontdetails[1]);
			}
		}
		natcasesort($sortlist);
		foreach($sortlist as $fontname){
			$this->fontlist[$fontname] = $buildlist[$fontname];
		}
// 		echo '<h1>Array dump</h1><pre>';
// 		print_r($this->fontlist);
// 		echo '</pre>';
// 		exit();

	}

	private function getStyles(){
		$styles = "";
		if(file_exists(ANYFONT_FONTDIR."/styles.ini")){
			$settings = parse_ini_file(ANYFONT_FONTDIR."/styles.ini", true);
			foreach($settings as $style => $option){
				if($style != "admin"){
					ksort($option);
					$styles.=self::getStyleBlock($style, $option);
				}
			}
		}
		$new_style = "<label for=\"color\">color</label><input type='text' class=\"colorinput\" name='color' id='color' value='#000000' /><br /><br />";
		$new_style .= "<label for=\"font-name\">font-name</label>
						<input readonly='readonly' id='font-name' class=\"custom_select\" type=\"text\" name=\"font-name\" onclick=\"AnyFont.toggleDropMenu(this)\" value=\"Select Font...\" />
							<ul id=\"font-name_menu\" class=\"menu\" style=\"display:none;\">";
		foreach($this->fontlist as $displayname => $fontdetail){
			$fontname = $fontdetail['filename'];
			$new_style .= "<li  class=\"imglist\" onclick=\"AnyFont.selectOption('font-name', '$displayname', '$fontname')\"><img src=\"".get_option('siteurl')."/images/admin-small/".urlencode($fontname)."/".urlencode($displayname).".png\" alt=\"{$displayname}\" /></li>";
		}
		$new_style .= "</ul><br /><br />";
		$sizes = array("7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "18", "22", "24", "28", "36", "40", "44", "48", "54", "60", "72");
		$new_style .= "<label for=\"font-size\">font-size</label><input id='font-size' class=\"custom_select font-size\" type=\"text\" name=\"font-size\" onclick=\"AnyFont.toggleDropMenu(this)\" value=\"18pt\" style=\"width:60px;\"/>";
		$new_style .= "<ul id=\"font-size_menu\" class=\"menu\" style=\"display:none;\">";
		foreach($sizes as $size){
			$new_style .= "<li onclick=\"AnyFont.selectOption('font-size', '{$size}pt')\">{$size}pt</li>";
		}
		$new_style .= "</ul><br /><br />";
		$new_style .= "<div class=\"anyfont_checkbox\"><label for=\"#\">limit-width</label><input id=\"limit-width\" type=\"checkbox\" name=\"limit-width\" onclick=\"AnyFont.toggleHidden(this)\" /></div><br/>";
		$new_style .= "<div class=\"hidden_option\"><label for=\"max-width\">max-width</label><input type='text' name='max-width' id='max-width' value='50' /><em>(character limit)</em><br /><br /></div>";
		$new_style .= "<div class=\"anyfont_checkbox\"><label for=\"#\">shadow</label><input id=\"shadow\" type=\"checkbox\" name=\"shadow\" onclick=\"AnyFont.toggleHidden(this)\" /></div><br />";
		$new_style .= "<div class=\"hidden_option\"><label for=\"shadow-color\">shadow-color</label><input type=\"text\" class=\"colorinput\" name=\"shadow-color\" id=\"shadow-color\" value=\"#FFFFFF\" /><br /><br />";
		$new_style .= "<label for=\"shadow-distance\">shadow-distance</label><input class=\"shadow-spin\" type='text' name='shadow-distance' id='shadow-distance' value='1px' /><br /><br />";
		$new_style .= "<label for=\"shadow-spread\">shadow-spread</label><input class=\"shadow-spin\" type='text' name='shadow-spread' id='shadow-spread' value='1' /></div><br />";
		$new_style .= "<input id=\"submit_style\" class=\"button-primary button-save\" type=\"button\" value=\"save\" onclick=\"AnyFont.updateStyle('anyfont-style-new-form')\"><input type=\"button\" name=\"cancel\" value=\"Cancel\" class=\"button-secondary\" style=\"float:right;margin-right:5px;\" onclick=\"AnyFont.toggleNew('anyfont-style-new');\"/></form>";
		$this->tpl->assign("NEW_STYLE_FORM", $new_style);
		$this->tpl->assign("STYLES", $styles);
	}

	public function getStyleBlock($style, $option){
		$url = get_bloginfo('wpurl');
		$tpl = new fastTPL($this->tplPath);
		$tpl->define(array("styles_block" => "styles_block.html"));
		$tpl->assign('STYLE_NAME', $style);
		$tpl->assign('STYLE_NAME_ID', str_replace(" ", "_", $style));
		$tpl->assign('PREVIEW_URL', $url."/images/$style/$style.png");
		!isset($option['limit-width']) ? $option['limit-width'] = false : 0;
		!isset($option['max-width']) ? $option['max-width'] = 50 : 0;
		!isset($option['shadow-spread']) ? $option['shadow-spread'] = 2 : 0;
		!isset($option['shadow-distance']) ? $option['shadow-distance'] = 1 : 0;
		ksort($option);
		$options = "<form id=\"$style\" class=\"anyfont_style_settings\"><input type=\"hidden\" value=\"$style\" name=\"update_style\" />";
		foreach($option as $name => $value){
			$for = $style."_$name";
			$dolabel = true;
			switch($name){
				case 'shadow-color':
					$options .= "<div class=\"hidden_option\">";
					break;
				case 'max-width':
					$options .= "<div class=\"hidden_option\">";
					break;
				case 'shadow':
					$option_on = !$option['shadow'] ? "" : " anyfont_checkbox_on";
					$options .= "<div class=\"anyfont_checkbox$option_on\">";
					$for = "#";
					break;
				case 'limit-width':
					$option_on = !$option['limit-width'] ? "" : " anyfont_checkbox_on";
					$options .= "<div class=\"anyfont_checkbox$option_on\">";
					$for = "#";
					break;
				case 'background-color':
					$options .= "<input id='{$style}_$name' type=\"hidden\" name=\"$name\" value=\"$value\" />";
					$dolabel = false;
					break;
				case 'soften-shadow':
					$options .= "<input id='{$style}_$name' type=\"hidden\" name=\"$name\" value=\"$value\" />";
					$dolabel = false;
					break;
			}
			$dolabel !== false ? $options .= "<label for='$for'>$name</label>" : 0;
			switch($name){
				case "color":
					$options .= "<input type='text' class=\"colorinput\" name='$name' id='{$style}_$name' value='#$value' /><br /><br />";
					break;

				case "font-name":
					$options .= "<input readonly='readonly' id='_{$style}_$name' class=\"custom_select\" type=\"text\" name=\"_$name\" onclick=\"AnyFont.toggleDropMenu(this)\" value=\"{$value}\" />";
					$options .= "<input  id='{$style}_$name'  type=\"hidden\" name=\"$name\" value=\"{$value}\" />";
					$options .= "<ul id=\"{$style}_{$name}_menu\" class=\"menu\" style=\"display:none;\">";
					foreach($this->fontlist as $displayname => $fontdetail){
						$fontname = $fontdetail['filename'];
						$options .= "<li  onclick=\"AnyFont.selectOption('{$style}_$name', '$displayname', '$fontname')\" class=\"imglist\"><img src=\"".get_option('siteurl')."/images/admin-small/".urlencode($fontname)."/".urlencode($displayname).".png\" alt=\"$displayname\" /></li>";
					}
					$options .= "</ul><br /><br />";
					break;

				case "font-size":
					$sizes = array("7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "18", "22", "24", "28", "36", "40", "44", "48", "54", "60", "72");
					$options .= "<input id='{$style}_$name' class=\"custom_select font-size\" type=\"text\" name=\"$name\" onclick=\"AnyFont.toggleDropMenu(this)\" value=\"{$value}pt\" style=\"width:60px;\"/>";
					$options .= "<ul id=\"{$style}_{$name}_menu\" class=\"menu\" style=\"display:none;\">";
					foreach($sizes as $size){
						$options .= "<li onclick=\"AnyFont.selectOption('{$style}_$name', '{$size}pt')\">{$size}pt</li>";
					}
					$options .= "</ul><br /><br />";
					break;

				case "limit-width":
					$checked = !$value ? "" : "checked=\"checked\"";
					$options .= "<input id='{$style}_$name' type=\"checkbox\" name=\"$name\" $checked onclick=\"AnyFont.toggleHidden(this)\" /></div><br />";
					break;

				case "max-width":
					$options .= "<input type='text' name='$name' id='{$style}_$name' value='$value' /><em>(character limit)</em><br /><br /></div>";
					break;

				case "shadow":
					$checked = !$value ? "" : "checked=\"checked\"";
					$options .= "<input id='{$style}_$name' type=\"checkbox\" name=\"$name\" $checked onclick=\"AnyFont.toggleHidden(this)\" /></div><br />";
					break;

				case "shadow-color":
					$options .= "<input  type='text' class=\"colorinput shadow\" name='$name' id='{$style}_$name' value='#$value' /><br /><br />";
					break;

				case "shadow-distance":
					$options .= "<input class=\"shadow-distance shadow-spin\" type='text' name='$name' id='{$style}_$name' value='{$value}px' /><br /><br />";
					break;

				case "shadow-spread":
					$options .= "<input class=\"shadow-spread shadow-spin\" type='text' name='$name' id='{$style}_$name' value='$value' /></div><br />";
					break;
			}
		}
		$options .= "<input id=\"submit_style\" class=\"button-primary button-save\" type=\"button\" value=\"save\" onclick=\"AnyFont.updateStyle('$style')\"></form>";
		$tpl->assign('DELETE_ICON', ANYFONT_URL."/img/icon-delete.png");
		$tpl->assign('EDIT_ICON', ANYFONT_URL."/img/icon-edit.png");
		$tpl->assign('OPTIONS', $options);
		return $tpl->fetchParsed("styles_block");
	}

	private function bytecalc($bytes, $base10=false, $round=0){
        $labels=array(' bytes', ' kB', ' MB', ' GB');

        if (($bytes <= 0) || (! is_array($labels)) || (count($labels) <= 0))
            return null;

        $step = $base10 ? 3 : 10 ;
        $base = $base10 ? 10 : 2;

        $log = (int)(log10($bytes)/log10($base));

        krsort($labels);

        foreach ($labels as $p=>$lab) {
            $pow = $p * $step;
            if ($log < $pow) continue;
            $text = $bytes." bytes (".round($bytes/pow($base,$pow),$round) . $lab.")";
            break;
        }
        return $text;
    }

	private function dec2ord($dec){
		return $this->dec2hex(ord($dec));
	}

	private function dec2hex($dec){
		return str_repeat('0', 2-strlen(($hex=strtoupper(dechex($dec))))) . $hex;
	}

	/**
	* @original author Unknown
	* found at http://www.phpclasses.org/browse/package/2144.html
	*/
	private function getFontInfo($filename){
		$fd = fopen ($filename, "r");
		$this->text = fread ($fd, filesize($filename));
		fclose ($fd);

		$number_of_tables = hexdec($this->dec2ord($this->text[4]).$this->dec2ord($this->text[5]));

		for ($i=0;$i<$number_of_tables;$i++)
		{
			$tag = $this->text[12+$i*16].$this->text[12+$i*16+1].$this->text[12+$i*16+2].$this->text[12+$i*16+3];

			if ($tag == 'name')
			{
				$this->ntOffset = hexdec(
					$this->dec2ord($this->text[12+$i*16+8]).$this->dec2ord($this->text[12+$i*16+8+1]).
					$this->dec2ord($this->text[12+$i*16+8+2]).$this->dec2ord($this->text[12+$i*16+8+3]));

				$offset_storage_dec = hexdec($this->dec2ord($this->text[$this->ntOffset+4]).$this->dec2ord($this->text[$this->ntOffset+5]));
				$number_name_records_dec = hexdec($this->dec2ord($this->text[$this->ntOffset+2]).$this->dec2ord($this->text[$this->ntOffset+3]));
			}
		}

		$storage_dec = $offset_storage_dec + $this->ntOffset;
		$storage_hex = strtoupper(dechex($storage_dec));

		for ($j=0;$j<$number_name_records_dec;$j++)
		{
			$platform_id_dec	= hexdec($this->dec2ord($this->text[$this->ntOffset+6+$j*12+0]).$this->dec2ord($this->text[$this->ntOffset+6+$j*12+1]));
			$name_id_dec		= hexdec($this->dec2ord($this->text[$this->ntOffset+6+$j*12+6]).$this->dec2ord($this->text[$this->ntOffset+6+$j*12+7]));
			$string_length_dec	= hexdec($this->dec2ord($this->text[$this->ntOffset+6+$j*12+8]).$this->dec2ord($this->text[$this->ntOffset+6+$j*12+9]));
			$string_offset_dec	= hexdec($this->dec2ord($this->text[$this->ntOffset+6+$j*12+10]).$this->dec2ord($this->text[$this->ntOffset+6+$j*12+11]));

			if (!empty($name_id_dec) and empty($font_tags[$name_id_dec]))
			{
				for($l=0;$l<$string_length_dec;$l++)
				{
					if (ord($this->text[$storage_dec+$string_offset_dec+$l]) == '0') { continue; }
					else { $font_tags[$name_id_dec] .= ($this->text[$storage_dec+$string_offset_dec+$l]); }
				}
			}
		}
		return $font_tags;
	}

	private function is_font($file){
		$ext = explode('.', $file);
		$ext = $ext[count($ext)-1];
		if( preg_match("/ttf$/i",$ext) ){
			return true;
		} elseif(preg_match("/otf$/i",$ext)){
			return true;
		}
		return false;
	}

	private function getFontName($file){
		$fontfile = explode(".", $file);
		$fontname = "";
		for($i = 0; $i < (count($fontfile)-1);$i++){
			$i > 0 ? $fontname .= "." : 0;
			$fontname .= $fontfile[$i];
		}
		return $fontname;
	}
}