<?php
//Class : digiBook
//Description: Converts PDF TO JPG and creates a simple and crisp flip book 
// Created By : Satish Kumar(hide@address.com)
//Date: Mar 23, 2009
require_once(dirname(__FILE__).'/config.php');//configuration file

class digiBook
{
	public  $convert_status=0;
	function __construct()
	{
		$convert_status=0;
		if (is_dir("book")==false)
		{
		echo "Please create folder 'book'<br>";		exit;
		}
		if (is_dir("book/pages/")==false)
		{
		echo "Please create folder 'book\pages'<br>";			exit;
		}
		if (is_dir("zip")==false)
		{
		echo "Please create folder 'zip'<br>";			exit;
		}
	}

	function mkdir_r($dirName, $rights=0777){
    $dirs = explode('/', $dirName);
    $dir='';
    foreach ($dirs as $part) {
        $dir.=$part.'/';
        if (!is_dir($dir) && strlen($dir)>0)
            mkdir($dir, $rights);
    }
}
//Function to convert  pdf files to jpg
//Requires : IMAGEMAGICK
	function convertPDF2JPG($pdf_file,$jpgloc)
	{
		$cmd="convert ".$pdf_file." ".$jpgloc;
		$status=exec($cmd);
		$convert_status=$status;
		return $convert_status;
	}
	//Function to read directory
	function readFolderDirectory($dir)
	{

		$listDir = array();
		if($handler = opendir($dir)) {
		    while (($sub = readdir($handler)) !== FALSE) {
		        if ($sub != "." && $sub != ".." && $sub != "Thumb.db") {
		            if(is_file($dir."/".$sub)) {
		                $listDir[] = $sub;
		            }elseif(is_dir($dir."/".$sub)){
		                $listDir[$sub] = digiBook::ReadFolderDirectory($dir."/".$sub);
		            }
		        }
		    }   
		    closedir($handler);
		}
		return $listDir;   
 
	}
	
	//Creating and populating xml file for digibook
	//function name :CreateXMLFile
	//arguments : xmlfile  and image location
	function createXMLFile($xmlfile,$imgloc)
	{
	$stringDataBody='';
	$dir=digiBook::readFolderDirectory($imgloc);//Open location  of  image sliced
		$fh = fopen($xmlfile, 'w') or die("can't open file");
		$stringDataTop='<?xml version="1.0" encoding="iso-8859-1"?>
<datas>';
		for ($i=0;$i<sizeof($dir);$i++)
		{
		$file="page-".$i.".jpg";
		$stringDataBody.= '<data><image>'."pages/".$file.' </image>  <url>'."pages/".$file.'</url>
  <text>Page: '.$i.'</text></data>';
		echo "Extracting...".$file."<br>";
		}
		$stringDataBottom=' 
</datas>';
		fwrite($fh, $stringDataTop.$stringDataBody.$stringDataBottom);//Write file name to xml file
	fclose($fh);

	}
	function createZIP($ziploc)
	{
	exec("zip -r  ".$ziploc."  book/");
	}	

}//end class


 ?>