[racket] Smoothing in 5.1.1 Racket Device Contexts (Ubuntu Lucid Lynx, Gnome)

From: Matthew Flatt (mflatt at cs.utah.edu)
Date: Thu Jun 30 13:14:33 EDT 2011

At Tue, 28 Jun 2011 19:43:13 -0400, "J. Vincent Toups" wrote:
> Anyone else noticed that device contexts always smooth, regardless of
> whether they are bitmap or canvas dcs and regardless of what you have
> passed to the message `set-smoothing`.

The `draw-bitmap' method always smoothes when it scales. I don't think
the underlying Cairo library gives us a way to turn off smoothing as it
draws bitmaps. I'll double-check and, at a minimum, update the

Posted on the users mailing list.