<html> <head> <meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> <div class="moz-cite-prefix">Through private email, I got some advice from a user: <pre wrap="">> cairo_pattern_set_filter controls how images are > anti-aliased when you use them as a source pattern cairo_pattern_set_filter( ) did resolve my bar code problem. Jian </pre> On 3/3/2015 10:07 AM, Jian Ye wrote: </div> <blockquote cite="mid:54F5CE3A.40803@cdpcom.com" type="cite"> <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> A little more detail about my bar code. When there is no scaling, it shows fine. But with scaling, the edges become blurred. I hope there is a way to make it sharp even with scaling. Thanks, Jian </blockquote> </body> </html>