<?php
/**
 * PDF generator
 *
 * System tool that allow create PDF's within ImpressCMS core
 *
 * @copyright	The ImpressCMS Project http://www.impresscms.org/
 * @license	http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU General Public License (GPL)
 * @package	core
 * @since	1.1
 * @author		Sina Asghari (aka stranger) <pesian_stranger@users.sourceforge.net>
 * @version	$Id: pdf.php 11079 2011-03-17 12:43:06Z m0nty_ $
 */
if (!defined('ICMS_ROOT_PATH')) {
	exit();
}

/**
 * Generates a pdf file
 *
 * @param string $content	The content to put in the PDF file
 * @param string $doc_title	The title for the PDF file
 * @param string $doc_keywords	The keywords to put in the PDF file
 * @return string Generated output by the pdf (@link TCPDF) class
 */
function Generate_PDF ($content, $doc_title, $doc_keywords) {
	global $icmsConfig;
	require_once ICMS_PDF_LIB_PATH.'/tcpdf.php';
	icms_loadLanguageFile('core', 'pdf');
	$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true);
	// set document information
	$pdf->SetCreator(PDF_CREATOR);
	$pdf->SetAuthor(PDF_AUTHOR);
	$pdf->SetTitle($doc_title);
	$pdf->SetSubject($doc_title);
	$pdf->SetKeywords($doc_keywords);
	$sitename = $icmsConfig['sitename'];
	$siteslogan = $icmsConfig['slogan'];
	$pdfheader = icms_core_DataFilter::undoHtmlSpecialChars($sitename.' - '.$siteslogan);
	$pdf->SetHeaderData("logo.gif", PDF_HEADER_LOGO_WIDTH, $pdfheader, ICMS_URL);

	//set margins
	$pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
	//set auto page breaks
	$pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
	$pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
	$pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
	$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO); //set image scale factor

	$pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
	$pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));

	$pdf->setLanguageArray($l); //set language items
	// set font
	$TextFont = (@_PDF_LOCAL_FONT && file_exists(ICMS_PDF_LIB_PATH.'/fonts/'._PDF_LOCAL_FONT.'.php')) ? _PDF_LOCAL_FONT : 'dejavusans';
	$pdf -> SetFont($TextFont);

	//initialize document
	$pdf->AliasNbPages();
	$pdf->AddPage();
	$pdf->writeHTML($content, true, 0);
	return $pdf->Output();
}