<?php 
$imagefolder='../../photos/';
//$thumbsfolder='../../thumb/';
$pics=directory($imagefolder,"jpg,JPG,JPEG,jpeg,png,PNG");
$pics=ditchtn($pics,"tn_");

//


/*
	Function ditchtn($arr,$thumbname)
	filters out thumbnails
*/
function ditchtn($arr,$thumbname)
{
	foreach ($arr as $item)
	{
		if (!preg_match("/^".$thumbname."/",$item)){$tmparr[]=$item;}
	}
	return $tmparr;
}

/*
	Function createthumb($name,$filename,$new_w,$new_h)
	creates a resized image
	variables:
	$name		Original filename
	$filename	Filename of the resized image
	$new_w		width of resized image
	$new_h		height of resized image
*/	
function createthumb($name,$filename,$con_w,$con_h)
{	

	$toexplode=substr($name,6,strlen($name));
	$system=explode(".",$toexplode);
	if (preg_match("/gif|Gif/",$system[1])){$src_img=imagecreatefromgif($name);}
	if (preg_match("/jpg|jpeg|JPG|JPEG/",$system[1])){$src_img=imagecreatefromjpeg($name);}
	if (preg_match("/png/",$system[1])){$src_img=imagecreatefrompng($name);}

	/**************************modifications by rejith******************/
	
	$con_height=$con_h;
	$con_width=$con_w;
	
	$height=imagesy($src_img);
	$width=imagesx($src_img);
	$ratio=$width/$height;
	while(true)
	{
		$ratio=round($ratio,2);
		if($ratio>1)
		{
			$ratio=$ratio/2;
		}
		else
		{
			break;
		}
	}
	
	$least_height=$height;
	$least_width=$width;
	while(true)
	{
		$least_height=$least_height*$ratio;
		$least_width=$least_width*$ratio;
		if($least_height<10 && $least_width<10)
		{
			break;
		}
	}

	$least_height=ceil($least_height);
	$least_width=ceil($least_width);
	$correct_height=0;
	$correct_width=0;
	while(true)
	{
		$correct_height=$correct_height+$least_height;
		$correct_width=$correct_width+$least_width;
		
		if($width>$height)
		{
			if($correct_width>=$con_width)
			{
				break;
			}
		
		}
		else if($width<$height)
		{
			if($correct_height>=$con_height)
			{
				break;
			}
		}
		else
		{
			if($correct_height>=$con_height)
			{
				break;
			}
		}
	}
	/************modifications by rejith ends here***************************/
	
	$dst_img=ImageCreateTrueColor($correct_width,$correct_height);
	imagecopyresampled($dst_img,$src_img,0,0,0,0,$correct_width,$correct_height,$width,$height); 
	if (preg_match("/png/",$system[1]))
	{
		imagepng($dst_img,$filename); 
	} else {
		imagejpeg($dst_img,$filename); 
	}
	imagedestroy($dst_img); 
	imagedestroy($src_img); 
}


function directory($dir,$filters)
{
	$handle=opendir($dir);
	$files=array();
	if ($filters == "all"){while(($file = readdir($handle))!==false){$files[] = $file;}}
	if ($filters != "all")
	{
		$filters=explode(",",$filters);
		while (($file = readdir($handle))!==false)
		{
			for ($f=0;$f<sizeof($filters);$f++):
				$system=explode(".",$file);
				if ($system[1] == $filters[$f]){$files[] = $file;}
			endfor;
		}
	}
	closedir($handle);
	return $files;
}
?>