$scale = '';
$define = '';
}
- $extent ="-extent '{$x}x{$y}>' -gravity center -background white {$define}";
+
+ $extent ="-extent '{$x}x{$y}>' -gravity center " .
+ (
+ (!empty(self::$options['transparent_background'])) ?
+ "-transparent white" :
+ "-background white"
+ ) .
+ " {$define}";
break;
}