Hi > -----Original Message----- > From: Tony Denault [mailto:denault@xxxxxxxxxx] > Sent: Thursday, November 20, 2003 10:20 PM > To: Dennie, Brooke > Cc: 'Sven Neumann'; 'gtk-list@xxxxxxxxx' > Subject: RE: Slow Rendering? > My initial test using pango caused the timer function to > take >270 ms (over 1000x slower). After picking up the > maillist thread, I > decide to experiment using different font as I though PANGO might > be rendering everything and sending images to the X11 client windows. > Here is a table of different fonts using Pango; > > Font Pango PangoGDK_ENABLE_XFT=0 size > ---------------------------------------------------------- > San 8 270 250 7x15 > Serif 10 360 362 8x19 > miscFixed 9 6.8 6.7 6x14 > miscFixed 10 6.9 6.8 9x15 > console8x16 6.9 6.8 8x16 > Courier 10 372 372 9x18 > Fixed 6.8 6.9 9x15 > LucidaTyperwriter 9 361 361 8x17 > > Also note the Pango time varies widely, for example the > 360 ms can jump about upto 700ms. I wrote the 'best' time > for the table. > That's interesting. I hadn't thought of that actually. Some of my problem could be in the type of font. I'm never given an xfd, but rather I'm handed an XFontStruct. What I've been doing is just creating an empty font description, then calling XGetFontProperty on the XFontStruct and pulling all of the values I need for the font description out of it and filling those in. > GDK_ENABLE_XFT=0 help a little (sometimes). > For me picking a better font will help. 6.8 ms is OK, but I would > like better -> This is still 25x slower that gdk_font_load(). > Not really an option due to the nature of the project... > My GTK app runs on a linux box running Fedora Core release > 0.94 (Severn). > I am displaying on a XP computer running X-Win32 X11 server. > > Running the app directly on the linux console improves things somewhat > (ie: 6.8ms -> 4.8ms). > Also not an option... > Tony > > /------------------------------------------------------------- > ----------\ > | Tony Denault | Email: > denault@xxxxxxxxxxxxxxxxxxx | > | Institute for Astronomy | Phone: > (808) 932-2378 | > | 640 North Aohoku Place | Fax: > (808) 933-0737 | > | Hilo, Hawaii 96720 | > | > \------------------------------------------------------------- > ----------/ _______________________________________________ gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list
