On Mon, 2008-03-10 at 22:56 +0100, "Marco Trevisan (Treviño)" wrote: > Rodolphe Ortalo ha scritto: > > Le lundi 10 mars 2008 à 13:27 +0000, Thomas Wood a écrit : > >> I've been thinking about the usability of the GTK+ based OpenMoko > >> applications and I have come up with some suggestions I'd like to > >> implement. > > [...] > >> Theme > >> ----- > >> > >> The biggest problem with the current theme is performance. The main > >> issue here is the use of gradients which requires either stretching > >> images or dithering (for 16bit display). Both these are a significant > >> performance hit, so I would like to suggest redesigning the theme to be > >> faster and more efficient. > > > > Is it really necessary to adjust the theme itself to solve such > > performance issue? My first reaction reading you was: would it be > > possible to use some kind of caching (or static pre-processing) to solve > > these issues (esp. as the UI configuration is not so dynamic)? But I am > > not well aware of all the implications here so I may have a bad > > perception of the problem itself. > > > And isn't there any way to improve the 2d rendering performances > improving the video chipset driver?!?
The 2d rendering here is not the issue. The scaling of the images in the theme is. If you switch to a theme that does not use images to draw the widgets, you will find the applications become significantly more responsive. Regards, Thomas -- OpenedHand Ltd. Unit R Homesdale Business Center / 216-218 Homesdale Road / Bromley / BR1 2QZ / UK Tel: +44 (0)20 8819 6559 Expert Open Source For Consumer Devices - http://o-hand.com/ ------------------------------------------------------------

