thks for your interesting reply, but what device are you talking about ??
Handspring prism ??
"DIAMOND JEFF" <[EMAIL PROTECTED]> wrote in message
news:42746@palm-dev-forum...
>
> Just to add a finesse point that goes a little bit beyond your question:
>
> Although the LCDs claim to show 65536 different colors in 16-bit mode, and
claim to support palette choices in other modes of
> 262,144 color choices, the LCD's I've seen so far (can't comment on the
CLIE) really can only display 4096 colors.
>
> However, what they do is provide hardware dithering to mimic 262,144 color
possibilities out of the 4096.
>
> But I've gotten better visual results by just assuming a 4096 color
palette (the real, pure colors) and dithering my images to it
> using error diffusion dithering.
>
> David Fedor wrote:
>
> > >I would like to know how many colors i can display on the Palm IIIc
> > >(simultaneous) ? and the Palm m505 ?
> >
> > On a Palm IIIc device (or other 8-bit devices), you've got an 8-bit
> > palette, so you can show 256 different colors at the same time. By
> > changing the selection of colors in the palette, you have access to a
> > larger number of colors than just 256... but not at the same time.
> >
> > On a Palm m505 device (or other 16-bit devices), you could theoretically
> > show 65536 different colors, but there aren't that many pixels on the
> > screen; there's 160x160=25600 pixels so the answer to your "maximum
colors
> > showing at once" question is constrained by the size of the screen. But
a
> > 320x320 screen such as the new Sony Clie could show all 65536 at the
same
> > time, though I'm no expert on that device and so don't hold me to that.
> >
> > Sometimes there are other constraints imposed by the screen hardware,
like
> > some screens can only show 8 different intensities of blue, 8 of red,
and 4
> > of green. That would still work out to being 256 different colors,
though
> > you couldn't have them all be shades of blue. This isn't Palm-specific
at
> > all; this is just how screens work on computers.
> >
> > -David Fedor
> > Palm Developer Support
> >
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>
>
>
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