<?
// GALLERY SETTINGS


// ----------------------------------------------------------------------

Define('DIR_CACHE', './tmp/'); // directory to store modified images (should have right to write files)
Define('THUMBNAIL_WIDTH', '240'); // thumbnails width
Define('THUMBNAIL_HEIGHT', '240'); // thumbnails height
Define('IMAGES_ROW', 3); // images on row

// ----------------------------------------------------------------------

$img=$_GET['img'];

if (!Is_Dir(DIR_CACHE)) {
 mkdir(DIR_CACHE, 0777);
}

// IMAGE RESIZE AND SAVE TO FIT IN $new_width x $new_height
if ($img!='' && file_exists("./$img")) {

 $w=$_GET['w'];
 $h=$_GET['h'];

 $thumb=strtolower(preg_replace('/\W/is', "_", "$img"));
  $changed=0;
  if (file_exists("./$img") && file_exists(DIR_CACHE.$thumb)) {
   $mtime1=filemtime(DIR_CACHE.$thumb);
   $mtime2=filemtime($img);
   if ($mtime2>$mtime1) $changed=1;
  } elseif (!file_exists(DIR_CACHE.$thumb)) {
   $changed=1;
  }

 if ($changed) {

 $filename=$img;
 $new_width=(int)@$w;
 $new_height=(int)@$h;
$lst=getimagesize($filename);
 $image_width=$lst[0];
 $image_height=$lst[1];
 $image_format=$lst[2];

if ($image_format==1) {
//   Header("Content-Type:image/gif");
 //  readfile($filename);
  // exit;
$old_image=imagecreatefromgif($filename);
 } elseif ($image_format==2) {
  $old_image=imagecreatefromjpeg($filename);
 } elseif ($image_format==3) {
$old_image=imagecreatefrompng($filename);
 } else {
echo $image_format . "image format";
  //exit;
 }

//$old_image=$filename;
 if (($new_width!=0) && ($new_width<$image_width)) {
  $image_height=(int)($image_height*($new_width/$image_width));
  $image_width=$new_width;
//  $image_height=$new_height;
 }

 if (($new_height!=0) && ($new_height<$image_height)) {
  $image_width=(int)($image_width*($new_height/$image_height));
  $image_height=$new_height;
//  $image_width=$new_width;
 }


//  $new_image=imageCreate($image_width, $image_height); // for old GDlib
 $new_image=imageCreateTrueColor(240, 240);

 $white = ImageColorAllocate($new_image, 240, 240, 240);
 ImageFill($new_image, 0, 0, $white);

// imagecopyresampled
// imageCopyResized (for old GDlib)
 imageCopyResampled( $new_image, $old_image, 0, 0, 0, 0, 240, 240, imageSX($old_image), imageSY($old_image));
// ?
$exif = exif_read_data($img);

		//get the orientation
		$ort = $exif['Orientation'];

		//determine what oreientation the image was taken at
		switch($ort)
	    {

	        case 2: // horizontal flip

	            $this->ImageFlip($dimg);

	        	break;

	        case 3: // 180 rotate left

	            $new_image = imagerotate($new_image, 180, -1);
                     $old_image = imagerotate($old_image, 180, -1);
	        	break;

	        case 4: // vertical flip

	            $this->ImageFlip($dimg);

	       		break;

	        case 5: // vertical flip + 90 rotate right

	            $this->ImageFlip($new_image);

	           $new_image = imagerotate($new_image, -90, -1);
                   $old_image = imagerotate($old_image, -90, -1);
	        	break;

	        case 6: // 90 rotate right

	            $new_image = imagerotate($new_image, -90, -1);
                    $old_image = imagerotate($old_image, -90, -1);

	        	break;

	        case 7: // horizontal flip + 90 rotate right

	            $this->ImageFlip($new_image);

	           $new_image = imagerotate($new_image, -90, -1);
                   $old_image = imagerotate($old_image, -90, -1);
	        	break;

	        case 8: // 90 rotate left

	            $new_image = imagerotate($new_image, 90, -1);
                    $old_image = imagerotate($old_image, 90, -1); 
	        	break;

	    }

	
// ?

imageJpeg($new_image, DIR_CACHE.$thumb);
imageJpeg($old_image, $img);
 
}


 // Header("Content-type:image/jpeg");
readfile(DIR_CACHE.$thumb);
 exit;
}

// ----------------------------------------------------------------------

  $init_dir="./";

  if (IsSet($HTTP_GET_VARS['dir'])) {
   $dir=$HTTP_GET_VARS['dir'];
   $dir=preg_replace("/\.+/", ".", $dir);
  }

  if (IsSet($dir) && ($dir!=$init_dir)) {
   $directory=$dir;
   $tmp=array_reverse(explode('/', $dir));
   array_shift($tmp);
   array_shift($tmp);
   $out['UP']=urlencode(implode('/', array_reverse($tmp))."/");
  } else {
   $directory=$init_dir;
  }

  $dir=opendir($directory);
  $k=0;
  $on_row=IMAGES_ROW;


  if (file_exists($directory."files.txt")) {
   $data=LoadFile($directory."files.txt");
   $lines=explode("\n", $data);
   for($i=0;$i<count($lines);$i++) {
    $ar=explode(' ', trim($lines[$i]));
    $tmp=array_shift($ar);
    $descriptions[$tmp]=implode(' ', $ar);
   }
  }

  while ($file=readdir($dir)) { 
   if (Is_Dir($directory."/$file") && ($file!='tmp') && ($file!='.') && ($file!='..')) {
    $directories[]=array('FILENAME'=>$file, 'DIR'=>$directory, 'DESCRIPTION'=>$descriptions[$file], 'URL'=>urlencode($directory."$file/"));
   }
   
   if (!Is_file($directory."/$file")) continue;

   $ext=strtolower(substr($file, -3));

   if ($ext!='gif' && $ext!='jpg') continue;

   $rec=array();
   $rec["FILENAME"]=$file;

   $size=(int)(filesize($directory."/".$file)/1024);
   if ($size>1024) {
    $rec["SIZE"]=(((int)($size*100/1024))/100)." Mb";
   } else {
    $rec["SIZE"]=$size." Kb";
   }
   if (IsSet($descriptions[$file])) {
    $rec['DESCRIPTION']=$descriptions[$file];
   }
   $rec["DIR"]=$directory;
   if (($k+1)%$on_row==0) {
    $rec['NEXT_ROW']=1;
   }
   $k++;
   $files[]=$rec;
  }

// echo $image_format . " image format";
  include('./template.php');

// ----------------------------------------------------------------------
function ImageFlip(&$image, $x = 0, $y = 0, $width = null, $height = null)
{

    if ($width  < 1) $width  = imagesx($image);
    if ($height < 1) $height = imagesy($image);

    // Truecolor provides better results, if possible.
    if (function_exists('imageistruecolor') && imageistruecolor($image))
    {

        $tmp = imagecreatetruecolor(1, $height);

    }
    else
    {

        $tmp = imagecreate(1, $height);

    }

    $x2 = $x + $width - 1;

    for ($i = (int)floor(($width - 1) / 2); $i >= 0; $i--)
    {

        // Backup right stripe.
        imagecopy($tmp, $image, 0, 0, $x2 - $i, $y, 1, $height);

        // Copy left stripe to the right.
        imagecopy($image, $image, $x2 - $i, $y, $x + $i, $y, 1, $height);

        // Copy backuped right stripe to the left.
        imagecopy($image, $tmp, $x + $i,  $y, 0, 0, 1, $height);

    }

    imagedestroy($tmp);

    return true;

}

function LoadFile($filename) {
 // loading file
 $f=fopen("$filename", "r");
 $data="";
 if ($f) {
  $data=fread($f, filesize($filename));
  fclose($f);
 }
 return $data;
}


?>