<?
function OutThumb($src, $w, $h){
  $size = getimagesize($src);
  if( $size[2] == 2 ){$im = @imagecreatefromjpeg($src);}
  elseif( $size[2] == 1 ){$im = @imagecreatefromgif($src);}
  elseif( $size[2] == 3 ){$im = @imagecreatefrompng($src);}

  $newwidth = $size[0];
  $newheight = $size[1];

  if( $newwidth > $w ){
    $newheight = ($w / $newwidth) * $newheight;
    $newwidth = $w;
  }
  if( $newheight > $h ){
    $newwidth = ($h / $newheight) * $newwidth;
    $newheight = $h;
  }

 // if( (GDVersion() == 2) AND ($size[2] != 1) ){
    $new = imagecreatetruecolor($newwidth, $newheight);
    imagecopyresampled($new, $im, 0, 0, 0, 0, $newwidth, $newheight, $size[0], $size[1]);
 // }
 // else{
 //   $new = imagecreate($newwidth, $newheight);
 //   imagecopyresized($new, $im, 0, 0, 0, 0, $newwidth, $newheight, $size[0], $size[1]);
//  }
  
  header('Content-Type: ' . $size['mime']);
  if( $size[2] == 2 ){@imagejpeg($new, '', 100);}
  elseif( $size[2] == 1 ){@imagegif($new);}
  elseif( $size[2] == 3 ){@imagepng($new);}
  @imagedestroy($im);
  @imagedestroy($new);
}


function salvaFoto($foto,$foto_nome,$path,$max,$meth,$quality)
{
	$image = $path . $foto_nome;
	copy($foto, $image);
	// controllo le dimensioni
	$filesize = filesize($image);
	$imagesize = @getimagesize($image);
	//echo "<br>max:" . $imagesize[0];
	//echo "----------------------------";
	if ($imagesize == null){
		$ERROR = "'$image' non è un immagine !";
		@unlink($image);
	}else{
		if(max($imagesize[0],$imagesize[1]) > $max){
			//echo "ciao";
			resize_image($image, $image, $max, $meth, $quality);
		}
	}
	return $image;
}

define("GIS_GIF",     1);
define("GIS_JPG",     2);
define("GIS_PNG",     3);

// Resize an image

function resize_image($src_file, $dest_file, $w, $h, $method, $quality)
{
	global $CONFIG, $ERROR;
	$imginfo = @getimagesize($src_file);
	if ($imginfo == null)
		return false;

	// GD can only handle JPG & PNG images
	if ($imginfo[2] != GIS_JPG && $imginfo[2] != GIS_PNG && ($method == 'gd1' || $method == 'gd2'))
	{
		$ERROR = "Quando usi GD gli unici standard permessi sono JPEG e PNG.";
		return false;
	}


	// height/width prelevo i valori
  $newwidth = $imginfo[0];
  $newheight = $imginfo[1];

	$srcWidth = $imginfo[0];
	$srcHeight = $imginfo[1];

  if( $newwidth > $w ){
    $newheight = ($w / $newwidth) * $newheight;
    $newwidth = $w;
  }
  if( $newheight > $h ){
    $newwidth = ($h / $newheight) * $newwidth;
    $newheight = $h;
  }


	$destWidth = $newwidth;
	$destHeight = $newheight;
  
  
	// Method for thumbnails creation
	switch ($method) {
	case "im" :
		// 'Escape shell arguments' is mandatory under Unix but confuses windows
		if (preg_match("/\A[a-z]:/i",__FILE__)){
			$src_file =   '"'.$src_file.'"';
			$im_dest_file = str_replace('%', '%%', ('"'.$dest_file.'"'));
		} else {
			$src_file =   escapeshellarg($src_file);
			$im_dest_file = str_replace('%', '%%', escapeshellarg($dest_file));
		}
		
		//exec ("convert -quality $quality -antialias -geometry {$destWidth}x{$destHeight} $src_file $im_dest_file");
		exec ("convert -quality 40 -antialias -geometry {$destWidth}x{$destHeight} $src_file $im_dest_file");
		break;

	case "gd1" :
		if ($imginfo[2] == GIS_JPG)
			$src_img = @imagecreatefromjpeg($src_file);
		else 
			$src_img = @imagecreatefrompng($src_file);
		if (!$src_img){
			$ERROR = "L'immagine non è valida !";
			@unlink($src_file);
			return false;
		}
		$dst_img = imagecreate($destWidth, $destHeight);
		imagecopyresized($dst_img, $src_img, 0, 0, 0, 0, $destWidth, (int)$destHeight, $srcWidth, $srcHeight);
		imagejpeg($dst_img, $dest_file, $quality);
		imagedestroy($src_img);
		imagedestroy($dst_img);
		break;

	case "gd2" :
		if ($imginfo[2] == GIS_JPG)
			$src_img = @imagecreatefromjpeg($src_file);
		else 
			$src_img = @imagecreatefrompng($src_file);
		if (!$src_img){
			$ERROR = "L'immagine non è valida !!";
			@unlink($src_file);
			return false;
		}
		$dst_img = imagecreatetruecolor($destWidth, $destHeight);
		imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $destWidth, (int)$destHeight, $srcWidth, $srcHeight);
		imagejpeg($dst_img, $dest_file, $quality);
		imagedestroy($src_img);
		imagedestroy($dst_img);
		break;
	}

	// We check that the image is valid
	$imginfo = @getimagesize($dest_file);
	if ($imginfo == null){
		$ERROR = "Non è stato possibile ridimensionare l'immagine !";
		@unlink($src_file);
		return false;
	} else {
		return true;
	}
}


?>