Foren / Cotonti / Extensions / [CODE] Square Thumbnails

function sed_createthumb($img_big, $img_small, $small_x, $small_y, $keepratio, $extension, $filen, $fsize, $textcolor, $textsize, $bgcolor, $bordersize, $jpegquality, $dim_priority="Width")
        {
        global $cfg;
        $gd_supported = array('jpg', 'jpeg', 'png', 'gif');
 
        switch($extension) {
                case 'gif': $source = imagecreatefromgif($img_big); break;
                case 'png': $source = imagecreatefrompng($img_big); break;
                default: $source = imagecreatefromjpeg($img_big); break;
                }
 
    $thumb_size = $small_x;
	$width = imagesx($source);
	$height = imagesy($source); 
	
    if($width> $height) {
        $x = ceil(($width - $height) / 2 );
        $width = $height;
    } elseif($height> $width) {
        $y = ceil(($height - $width) / 2);
        $height = $width;
    }
 
    $new_im = ImageCreatetruecolor($thumb_size,$thumb_size);
    imagecopyresampled($new_im,$source,0,0,$x,$y,$thumb_size,$thumb_size,$width,$height);
 
        switch($extension)
                {
                case 'gif': imagegif($new_im, $img_small); break;
  				case 'png': imagepng($new_im, $img_small); break;
                default: imagejpeg($new_im, $img_small, $jpegquality); break;
                }
        imagedestroy($new_im);
        imagedestroy($source);
		
        return;
        }