> -----Original Message----- > From: > Behdad Esfahbod > Sent: Sunday, April 26, 2009 6:13 PM > > On 04/26/2009 09:09 PM, Ian Puleston wrote: > > I may well be wrong, but it seems to me that in this case it should > not matter. Should 10-point courier font not be the same size no matter > what it is printed on since a point is fixed at 1/72 inch? The "device > unit" of a Pango layout is a point so it would seem logical that the > text width being a certain number of points is the always going to be > the same size. What am I missing here? > > Font hinting. The same font can have different widths when hinted vs > not hinted. > > > I can't use pango_cairo_create_layout() at this point because I don't > yet know what print device it will be printed on. > > Then at least 1) make sure your context is set to 72 dpi, and 2) set > font > options to disable metrics hinting. > > behdad I added a call to pango_cairo_context_set_resolution(ctx, 72) and that fixed it. I notice that the documentation for pango_cairo_context_set_resolution says "The default value is 96" which explains why the numbers were a bit too big. The font option metric hinting probably isn't a problem for me because from what I read it seems to be to do with zooming and there isn't any zooming involved, but I added it anyway to be safe. Thanks Behad. Ian _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list
