On Mon, 17 Aug 2009 21:04:59 +0700 Mikhail Gusarov <[email protected]> said:
> > CHR> 4096 colors? well there's the rgb16-444 - this is specifically for > CHR> displays using rgb565 as the rgb format but with only 4 bits per > CHR> rgb (thus dithering appropriately). but for dozens of > CHR> fps.. really? will updates look good? > > Dunno, I did not test such screens yet. Though it's not a E-Ink, it's > some other technology. > > >> Actually we had to disable dithering earlier - it created a sort of > >> unpleasant artifacts and nobody wanted to investigate why. > > CHR> really? nasty. wow. is it possible someone has a photo of it with > CHR> dithering? one zoomed out and a macro-focus zoomed in one so i > CHR> can see the pixels in detail? maybe i can spot what's up? maybe > CHR> not, but gstavo does bring up a very good point. dithering should > CHR> improve things a LOT. of course if done right. maybe its an > CHR> algorithm problem? is it possible to get a framebuffer shot too? > > http://users.openinkpot.org/~lunohod/img_1822_sm.jpg > > This is quite an old photo though. Don't have time right now to recreate > the setup and see whether anything changed. oh! definitely software. i know just what's up. that smells of the 8bit paletted rendere - it tried to alloc a 216 (6x6x6) colorcube.. and failed.. but it succeeded in allocing black and white. but it seesm to have them inverted (in some cases looks like - what theme is that?). but you're ending up with 2 colors alloced and dithering to those 2 colors (black and white) and an inversion. dithering should work just fine with grayscale. it will slow things down, but with only 16 real shades (gain you'll have to make assumptions about this - or at least have a converter per display type - eg 64 colors (6bit) but only 16 levels (4bit) significant)m you'll want to dither to make images look half-way decent -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) [email protected] ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ enlightenment-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
