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-   -   Screen Colours / Color Depth: 16 million or 65K? (https://talk.maemo.org/showthread.php?t=32594)

HoX 2009-10-08 22:05

Screen Colours / Color Depth: 16 million or 65K?
 
Reading the Fremantle Master Layout Guide, I find out that the screen has only 64k colours (16bit)... is it true? Or it has 16M colours (24bit)?
Anybody knows how many colours has the iPhone?

Edit: I correct the bit definition... 16M colors is 24bit and not 32bit :o

javispedro 2009-10-08 22:08

Re: Screen Colours
 
Maemo is 16bit and wake me up when a mobile device gets more bit depth than my current TFT LCD (18bpp).

The hw may support 18 bit actually, but I doubt the sw does (both iPhone and Maemo).

HoX 2009-10-08 22:19

Re: Screen Colours
 
Quote:

Originally Posted by javispedro (Post 342144)
Maemo is 16bit and wake me up when a mobile device gets more bit depth than my current TFT LCD (18bpp).

Wake up javispedro... a lot of phone do it... take a look at the Nokia 6131 16M colors (24bit)... and this is just an example.

Jack6428 2009-10-08 22:23

Re: Screen Colours
 
the N900 has 16M colors

pycage 2009-10-08 22:28

Re: Screen Colours
 
it's 64k colors (16 bit), just like all the other NITs before.

javispedro 2009-10-08 22:33

Re: Screen Colours
 
Quote:

Originally Posted by HoX (Post 342151)
Wake up javispedro... a lot of phone do it... take a look at the Nokia 6131 16M colors (24bit)... and this is just an example.

Note I don't believe it either (I've seen worse dithering lies) but on a QVGA screen who cares.

HoX 2009-10-17 23:11

Re: Screen Colours
 
Quote:

Originally Posted by Jack6428 (Post 342154)
the N900 has 16M colors

you're right!

javispedro 2009-10-18 18:21

Re: Screen Colours
 
Well, I corrected Wikipedia's N900 page today, so I wouldn't say Wikipedia is a trusted source on the issue.

HoX 2009-10-18 20:06

Re: Screen Colours
 
Quote:

Originally Posted by javispedro (Post 350478)
Well, I corrected Wikipedia's N900 page today, so I wouldn't say Wikipedia is a trusted source on the issue.

Of course it's not always trusted, but if you see here (Nokia US page) it confirm that N900 has 16,7 million colours... is it untrusted too? :D

pycage 2009-10-18 20:23

Re: Screen Colours
 
From looking at undithered color gradients on screen, I would say, definitely not 16.7m but 65k.
However the screen has a resolution where dithering gives great effects.


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